CN113766781A - Cover plate assembly, display screen and electronic equipment - Google Patents
Cover plate assembly, display screen and electronic equipment Download PDFInfo
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- CN113766781A CN113766781A CN202111077985.4A CN202111077985A CN113766781A CN 113766781 A CN113766781 A CN 113766781A CN 202111077985 A CN202111077985 A CN 202111077985A CN 113766781 A CN113766781 A CN 113766781A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/84—Protecting input, output or interconnection devices output devices, e.g. displays or monitors
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
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Abstract
The application provides a apron subassembly, display screen and electronic equipment. The cover plate assembly includes a light-transmissive substrate and a plurality of reflective members. The cover plate assembly is provided with a light emitting surface, and the light transmitting substrate is used for transmitting light; the reflecting pieces are arranged on the light-transmitting substrate, each reflecting piece comprises at least one reflecting surface, the reflecting surfaces are inclined relative to the light-emitting surface, and the reflecting surfaces are used for reflecting light and enabling the light to be obliquely emitted relative to the light-emitting surface. The display screen comprises a light-emitting substrate and the cover plate assembly. The electronic equipment comprises a shell, a mainboard and the display screen. The application provides a apron subassembly, display screen and electronic equipment can effectively protect user privacy.
Description
Technical Field
The application relates to the technical field of electronics, concretely relates to apron subassembly, display screen and electronic equipment.
Background
The display screen of the electronic device may be used to display text, images, and the like. In the related art, the cover glass of the display screen is isotropic, so that the display content of the display screen can be seen when the display screen is viewed from multiple directions, which is not beneficial to protecting the privacy of users.
Disclosure of Invention
The application provides a cover plate assembly capable of effectively protecting privacy of a user, a display screen and electronic equipment.
In one aspect, the present application provides a cover plate assembly, the cover plate assembly has a light emitting surface, the cover plate assembly includes:
the light-transmitting substrate is used for transmitting light; and
the light-transmitting substrate comprises a plurality of light-transmitting substrates, and the light-transmitting substrates are arranged on the light-transmitting substrates and are used for transmitting light rays.
On the other hand, this application still provides a display screen, reach including luminescent substrate the apron subassembly, the apron subassembly cover in luminescent substrate's luminous side, the play plain noodles orientation deviates from one side of luminescent substrate.
In another aspect, the present application further provides an electronic device, which includes a housing, a motherboard, and the display screen, wherein the housing is connected to the display screen, an accommodating space is formed between the housing and the display screen, the motherboard is disposed in the accommodating space, the motherboard is electrically connected to the display screen, and the motherboard is used for supplying power to the display screen and controlling the display content of the display screen.
The cover plate assembly comprises a light-transmitting substrate and a plurality of reflecting pieces arranged on the light-transmitting substrate, wherein the light-transmitting substrate is used for transmitting light rays, and the reflecting pieces are used for reflecting the light rays and enabling the light rays to be obliquely emitted relative to a light-emitting surface of the cover plate assembly; if the display screen is obliquely viewed, the halo formed by the light rays transmitted by the light-transmitting substrate and the light rays reflected by the reflecting member is seen, namely, the display content of the display screen cannot be clearly seen by oblique viewing, so that the privacy of a user is protected by the cover plate assembly. The application provides a display screen and electronic equipment is because of having foretell apron subassembly, consequently can effectively protect user's privacy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure;
FIG. 2 is an exploded view of the electronic device shown in FIG. 1, wherein the electronic device includes a housing, a main board, and a display screen;
FIG. 3 is a schematic cross-sectional view of the electronic device of FIG. 2, wherein the display includes a light-emitting substrate and a cover assembly, taken along a thickness direction of the display;
FIG. 4 is a cross-sectional view of the light-emitting substrate of the display panel shown in FIG. 3 including a cathode layer, a light-emitting layer, an anode layer and a substrate;
FIG. 5 is another cross-sectional view of the light-emitting substrate of the display panel shown in FIG. 3, including a cathode layer, a light-emitting layer, an anode layer and a substrate;
FIG. 6 is a schematic cross-sectional view of a cover assembly of the display screen of FIG. 3, wherein the cover assembly includes a light transmissive substrate and a plurality of reflective members;
FIG. 7 is a schematic cross-sectional view of each reflector of the cover plate assembly of FIG. 6 including a first reflective surface and a second reflective surface;
FIG. 8 is a schematic cross-sectional view of the plurality of reflective members of the cover plate assembly of FIG. 6 including a first reflective member and a second reflective member;
FIG. 9 is a schematic cross-sectional view of the light-transmissive substrate of the cover assembly of FIG. 6;
FIG. 10 is another schematic cross-sectional view of the light-transmissive substrate of the cover assembly of FIG. 6;
FIG. 11 is a schematic cross-sectional view of the cover plate assembly shown in FIG. 6 with the reflective member disposed in the groove of the transparent substrate and the first end surface of the reflective member being flush with the first transparent surface of the transparent substrate;
FIG. 12 is a schematic cross-sectional view of the cover plate assembly shown in FIG. 6, wherein the reflective member is disposed in the groove of the transparent substrate and the second end surface of the reflective member is flush with the second transparent surface of the transparent substrate;
FIG. 13 is a schematic cross-sectional view of a light exit surface formed on the second light-transmitting surface of the light-transmitting substrate in the cover assembly shown in FIG. 8;
FIG. 14 is a schematic cross-sectional view illustrating a light exit surface formed by the first light-transmitting surface of the light-transmitting substrate and the first end surface of the reflector in the cover assembly shown in FIG. 8;
FIG. 15 is a schematic cross-sectional view of the display panel shown in FIG. 3 including a transparent substrate, a plurality of reflectors, and a light-emitting substrate stacked in sequence;
fig. 16 is a schematic plan view of a light-emitting substrate with an orthographic projection of a reflector of the cover plate assembly shown in fig. 3 located in a gap between two adjacent pixel units;
fig. 17 is a schematic plan view of a front projection of the reflector of the cover plate assembly shown in fig. 3 on the light emitting substrate in a gap between two adjacent sub-pixels.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The embodiments listed in the present application may be appropriately combined with each other. The numbering of the components in the present application, such as "first", "second", etc., is used merely to distinguish between the objects depicted and not to imply any order or technical meaning.
As shown in fig. 1, fig. 1 is a schematic structural diagram of an electronic device 100 according to an embodiment of the present disclosure. The electronic device 100 may be a mobile phone, a tablet computer, a notebook computer, a computer, an electronic reader, an electronic display screen, a netbook, a watch, or the like. In the embodiment of the present application, a mobile phone is taken as an example. The electronic device 100 includes a housing 1, a main board 2, and a display screen 3.
Referring to fig. 1 and 2, the housing 1 includes a middle frame 11 and a back plate 12. The middle frame 11 and the back plate 12 may be integrally formed or connected together. When the middle frame 11 and the back plate 12 are integrally connected, the connection manner of the middle frame 11 and the back plate 12 includes, but is not limited to, snap connection, screw connection, adhesion, welding, and the like. The material of the middle frame 11 and the back plate 12 may be the same or different. For example: the material of the middle frame 11 may be metal, alloy, plastic, etc. The material of the back plate 12 may be metal, alloy, plastic, glass, carbon fiber, ceramic, etc. The housing 1 is connected to a display screen 3. In the embodiment of the application, the shell 1 is fixedly connected with the display screen 3. Specifically, one side of the middle frame 11, which is away from the back plate 12, is fixedly connected with the display screen 3. The connection mode of the middle frame 11 and the display screen 3 includes but is not limited to clamping, screwing, bonding, welding and the like. An accommodating space 10 is formed between the housing 1 and the display 3. The main board 2 is disposed in the accommodating space 10.
The Display screen 3 may be one of a Liquid Crystal Display (LCD) screen, a Light Emitting Diode (LED) screen, an Organic Light Emitting Diode (OLED) screen, and the like. The display 3 may be a flexible display or a rigid display.
The main board 2 is electrically connected with the display screen 3. The main board 2 is used for controlling the display content of the display screen 3. It is understood that the motherboard 2 is provided with electronic devices and circuits such as a processor and a memory. The main board 2 is used for controlling the display content of the display screen 3 according to an operation instruction of a user or a pre-stored instruction and the like. Of course, the electronic device 100 also includes a power source. For example, the power source is a battery 4 provided in the housing space 10. The battery 4 may be one of a lithium ion battery, a nickel cadmium battery, a nickel hydrogen battery, and the like. The battery 4 is electrically connected with the mainboard 2 and supplies power to the mainboard 2. The battery 4 is electrically connected with the display screen 3 and supplies power to the display screen 3.
For convenience of description, a coordinate system as shown in fig. 2 is established, wherein the X-axis direction may be understood as a length direction of the electronic apparatus 100; the Y-axis direction may be understood as the width direction of the electronic device 100; the Z-axis direction may be understood as a thickness direction of the electronic apparatus 100. The length direction, width direction, and thickness direction of the display screen 3 correspond to the length direction, width direction, and thickness direction of the electronic apparatus 100, respectively.
As shown in fig. 3, fig. 3 is a schematic cross-sectional view of a display screen 3 according to an embodiment of the present disclosure. The display screen 3 comprises a light emitting substrate 30 and a cover plate assembly 31. The length direction, the width direction, and the thickness direction of the light-emitting substrate 30 correspond to the length direction, the width direction, and the thickness direction of the display panel 3, respectively. The cover assembly 31 has a length direction, a width direction, and a thickness direction corresponding to the length direction, the width direction, and the thickness direction of the display screen 3, respectively.
When the display screen 3 is an LCD display screen 3, the light-emitting substrate 30 may be a backlight module. When the display screen 3 is an LED or OLED display screen 3, the light emitting substrate 30 includes a plurality of light emitting diodes. In the embodiment of the present application, the OLED display panel 3 is taken as an example without being particularly described. In one embodiment, as shown in fig. 4, the light-emitting substrate 30 includes a cathode layer 301, a light-emitting layer 302, an anode layer 303, and a substrate 304. The cathode layer 301, the light emitting layer 302, the anode layer 303, and the substrate 304 are sequentially stacked in the thickness direction of the display panel 3; alternatively, the anode layer 303, the light-emitting layer 302, the cathode layer 301, and the substrate 304 are stacked in this order in the thickness direction of the display panel 3. The substrate 304 may be plastic, glass, etc. Anode layer 303 includes a plurality of anode leads. The anode lead is electrically connected with the anode of the external driving circuit. The anode lead may be made of a non-transparent conductive material (e.g., metal) or a transparent conductive material (e.g., ITO). The cathode layer 301 includes a plurality of cathode leads. The cathode lead is electrically connected with the negative electrode of the external driving circuit. The cathode may be made of a non-transparent conductive material (e.g., metal) or a transparent conductive material (e.g., ITO). The light emitting layer 302 generates light under the influence of an electric field between the anode layer 303 and the cathode layer 301. The light-emitting substrate 30 may be driven by a passive driving method or an active driving method.
The cover member 31 covers the light emitting side of the light emitting substrate 30. In other words, the light emitting substrate 30 emits light toward the side of the cover member 31. In one embodiment, as shown in fig. 4, the cover plate assembly 31, the cathode layer 301, the light emitting layer 302, the anode layer 303 and the substrate 304 are sequentially stacked along the thickness direction of the display screen 3. In another embodiment, as shown in fig. 5, the cover plate assembly 31, the anode layer 303, the light emitting layer 302, the cathode layer 301 and the substrate 304 are sequentially stacked along the thickness direction of the display screen 3. The light-emitting surface 310 of the cover assembly 31 faces a side away from the light-emitting substrate 30. It can be understood that the light generated by the light-emitting layer 302 of the light-emitting substrate 30 is incident into the cover assembly 31 and is emitted to the outside of the display 3 through the light-emitting surface 310 of the cover assembly 31.
As shown in fig. 6, fig. 6 is a schematic structural diagram of a cover plate assembly 31 according to an embodiment of the present disclosure. The cover plate assembly 31 includes a transparent substrate 311 and a plurality of reflective members 312.
Referring to fig. 4 to 6, the transparent substrate 311 may be one of a glass substrate and a plastic substrate. In the embodiments of the present application, a glass substrate is taken as an example. The light-transmitting substrate 311 is used to transmit light. Specifically, when the light emitted from the light-emitting substrate 30 is emitted to the transparent substrate 311, the light is emitted linearly through the light-emitting surface 310 or is further refracted at the light-emitting surface 310. The light-transmitting substrate 311 includes a first light-transmitting surface 311a and a second light-transmitting surface 311b opposite to each other, and a peripheral side surface 311c connected between the first light-transmitting surface 311a and the second light-transmitting surface 311 b. The first and second light-transmitting surfaces 311a and 311b may be flat (e.g., rectangular, square, irregular, etc.) or curved. The peripheral side surface 311c may be a flat surface or an arc surface. One of the first transparent surface 311a and the second transparent surface 311b far from the light-emitting substrate 30 can be understood as the light-emitting surface 310 of the cover assembly 31.
The reflector 312 may be a metallic reflector 312 (e.g., silver, copper, gold, etc.), a specular reflector 312, or the like. The number of the reflective members 312 is not particularly limited in the present application. The number of reflectors 312 may be two, four, seven or more, etc. The reflective member 312 is disposed on the transparent substrate 311. In other words, the reflective member 312 is fixed on the transparent substrate 311. The reflective member 312 may be directly formed on the transparent substrate 311, or may be connected with the transparent substrate 311 as a whole. For example, the reflective member 312 may be directly formed on the transparent substrate 311 by printing, evaporation, etching, or the like; alternatively, the reflective member 312 is adhered to the transparent substrate 311. Each of the reflecting members 312 includes at least one reflecting surface 312 a. The number of the reflecting surfaces 312a included in each reflecting member 312 is not particularly limited. Each reflector 312 may include a reflective surface 312 a; or each reflective element 312 includes a plurality of reflective surfaces 312a, or a portion of the reflective elements 312 includes one reflective surface 312a and another portion of the reflective elements 312 includes a plurality of reflective surfaces 312 a.
Referring to fig. 4 to 6, the reflection surface 312a is inclined with respect to the light emitting surface 310. The reflection surface 312a is used for reflecting the light and emitting the light obliquely with respect to the light emitting surface 310. Specifically, when the light emitted from the light-emitting substrate 30 is emitted to the reflective element 312, the light is reflected by the reflective surface 312a and is emitted out through the light-emitting surface 310 linearly or is further refracted at the light-emitting surface 310. Since the reflection surface 312a is inclined with respect to the light emitting surface 310, the light is emitted obliquely with respect to the light emitting surface 310. Therefore, when the display screen 3 is directly viewed, the reflected light is not or less incident on the eyes of the user, so that the user can obtain normal display contents of the display screen 3; when the display screen 3 is obliquely viewed, the reflected light is totally or largely emitted into the eyes of the viewer, so that the viewer cannot obtain the normal display content of the display screen 3.
The reflection surface 312a may be a plane inclined with respect to the light emitting surface 310 or an arc surface inclined with respect to the light emitting surface 310. When the reflection surface 312a is a curved surface inclined with respect to the light exit surface 310, for example: the reflecting surface 312a is a convex arc surface, and at this time, the reflecting surface 312a can collect the reflected light, so that the light obliquely emitted from the light emitting surface 310 is more concentrated, the light intensity is stronger, and the effect of privacy protection can be improved. When the reflection surface 312a is a concave arc surface, the reflection surface 312a can receive more light emitted from the light-emitting substrate 30, so that more reflected light obliquely emitted from the light-emitting surface 310 is emitted, the intensity of the light is enhanced, and the effect of privacy protection is improved.
The cover plate assembly 31 provided by the present application includes a transparent substrate 311 and a plurality of reflectors 312 disposed on the transparent substrate 311, wherein the transparent substrate 311 is used for transmitting light, and the reflectors 312 are used for reflecting light and emitting the light obliquely relative to the light emitting surface 310 of the cover plate assembly 31, so when the cover plate assembly 31 is applied to the display screen 3, if the display screen 3 is directly viewed, the light directly transmitted by the transparent substrate 311 is seen, that is, the normal display content of the display screen 3 is seen; when the display screen 3 is obliquely viewed, a halo formed by the light transmitted by the transparent substrate 311 and the light reflected by the reflector 312 is observed, that is, the display content of the display screen 3 cannot be clearly seen by oblique viewing, so that the privacy of the user is protected by the cover plate assembly 31. The display screen 3 and the electronic device 100 provided by the application have the cover plate assembly 31, so that the privacy of users can be effectively protected.
In one embodiment, as shown in FIG. 7, each reflector 312 includes at least one first reflective surface 312b and at least one second reflective surface 312 c. In other words, each of the reflection members 312 includes a plurality of reflection surfaces 312 a. The number of the first reflecting surfaces 312b may be one or more. The number of the second reflection surfaces 312c may be one or more. The number of the first reflecting surfaces 312b and the number of the second reflecting surfaces 312c may be the same or different. For example: each reflecting member 312 includes a first reflecting surface 312b and a second reflecting surface 312 c; alternatively, each of the reflective members 312 includes a first reflective surface 312b and a plurality of second reflective surfaces 312 c; still alternatively, each of the reflective members 312 includes a plurality of first reflective surfaces 312b and a second reflective surface 312 c; still alternatively, each of the reflection members 312 includes a plurality of first reflection surfaces 312b and a plurality of second reflection surfaces 312 c. In this embodiment, each of the reflective members 312 includes a first reflective surface 312b and a second reflective surface 312 c. Optionally, the inclination angle α between the first reflection surface 312b and the light emitting surface 310 is 30 ° to 70 °. The inclination angle β between the second reflecting surface 312c and the light emitting surface 310 is 30 ° to 70 °.
The orientation of the first reflecting surface 312b is different from the orientation of the second reflecting surface 312 c. In one embodiment, the first reflective surface 312b faces generally to the left of the display screen 3. In other words, the first reflecting surface 312b reflects light substantially toward the left side of the display screen 3. The second reflecting surface 312c faces substantially the front of the display screen 3. In other words, the second reflecting surface 312c reflects the light substantially toward the front of the display screen 3. In the present embodiment, when the display screen 3 is viewed from the left side of the display screen 3 and the front of the display screen 3, a large amount of reflected light is incident on the eyes of the viewer, so that the viewer cannot obtain the normal display content of the display screen 3.
In another embodiment, the first reflective surface 312b faces generally to the right of the display screen 3. In other words, the first reflecting surface 312b reflects light substantially toward the right side of the display screen 3. The second reflecting surface 312c faces substantially the front of the display screen 3. In other words, the second reflecting surface 312c reflects the light substantially toward the front of the display screen 3. In the present embodiment, when the display screen 3 is viewed from the right side of the display screen 3 and the front of the display screen 3, a large amount of reflected light is incident on the eyes of the viewer, so that the viewer cannot obtain the normal display content of the display screen 3.
Alternatively, as shown in fig. 7, the first reflective surface 312b is oriented opposite the second reflective surface 312 c. In one embodiment, the first reflective surface 312b faces generally to the left of the display screen 3. In other words, the first reflecting surface 312b reflects light substantially toward the left side of the display screen 3. The second reflecting surface 312c faces generally to the right of the display screen 3. In other words, the second reflecting surface 312c reflects light substantially toward the right side of the display screen 3. In this embodiment, when watching the display screen 3 from the left side of the display screen 3 and the right side of the display screen 3, the observer's eyes can be shot into by more reflected light, so that the observer can not obtain the normal display content of the display screen 3, and the privacy protection device is suitable for the privacy protection of the left side and the right side of the display screen 3. In another embodiment, the first reflective surface 312b faces substantially forward of the display screen 3. In other words, the first reflecting surface 312b reflects light substantially toward the front of the display screen 3. The second reflecting surface 312c faces substantially the rear of the display screen 3. In other words, the second reflecting surface 312c reflects the light substantially toward the rear of the display screen 3. In this embodiment, when watching the display screen 3 from the front of the display screen 3 and the rear of the display screen 3, the reflected light rays are emitted into the eyes of the viewer, so that the viewer cannot obtain the normal display content of the display screen 3, and the privacy protection device is suitable for the privacy protection of the front side and the rear side of the display screen 3.
The front, rear, left and right sides of the display 3 in the above embodiments are based on the orientations shown in the drawings, and are only for convenience of describing the present application, and do not indicate or imply that the cover assembly 31 or the display 3 referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present application. Here, the front and rear of the display 3 can be understood as opposite sides in the Y-axis direction in fig. 7. The left and right sides of the display screen 3 can be understood as the opposite sides in the X-axis direction in fig. 7.
In another embodiment, as shown in fig. 8, the plurality of reflective members 312 includes at least one first reflective member 3120 and at least one second reflective member 3121. The present embodiment does not specifically limit the number of the first reflective members 3120 and the number of the second reflective members 3121. The first reflective member 3120 may be one or more. The second reflective member 3121 may be one or more. For example: the plurality of reflection members 312 includes a first reflection member 3120 and a second reflection member 3121; alternatively, the plurality of reflection members 312 includes a plurality of first reflection members 3120 and one second reflection member 3121; still alternatively, the plurality of reflection members 312 includes one first reflection member 3120 and a plurality of second reflection members 3121, or the plurality of reflection members 312 includes a plurality of first reflection members 3120 and a plurality of second reflection members 3121. The present embodiment exemplifies that the plurality of reflective members 312 includes two first reflective members 3120 and two second reflective members 3121. The first reflective member 3120 is spaced apart from the second reflective member 3121. The first reflective member 3120 includes at least one first reflective surface 312 b. The number of the first reflecting surfaces 312b is not particularly limited in this embodiment. The first reflective member 3120 may include one or more first reflective surfaces 312 b. The second reflective member 3121 includes at least one second reflective surface 312 c. The number of the second reflecting surfaces 312c is not particularly limited in this embodiment. The second reflective member 3121 may include one or more second reflective surfaces 312 c. In this embodiment, the first reflective member 3120 includes a first reflective surface 312b, and the second reflective member 3121 includes a second reflective surface 312 c. The first and second reflective members 3120 and 3121 may be sequentially arranged along a length direction of the cover plate assembly 31. Of course, in other embodiments, the first reflective member 3120 and the second reflective member 3121 may be sequentially arranged in the width direction of the cover plate assembly 31. The orientation of the first reflecting surface 312b is different from the orientation of the second reflecting surface 312 c. For example: the first reflecting surface 312b reflects light substantially toward the right side of the display screen 3. The second reflecting surface 312c faces substantially the front of the display screen 3; alternatively, the first reflecting surface 312b reflects light substantially toward the left side of the display screen 3; the second reflecting surface 312c faces generally to the right of the display screen 3; still alternatively, the first reflecting surface 312b reflects light rays substantially toward the left side of the display 3, and the second reflecting surface 312c substantially reflects light rays toward the right side of the display 3. The technical effects of the embodiment are substantially the same as those of the above embodiment, so that viewers at two sides of the display screen 3 can be prevented from obtaining normal display contents of the display screen 3, and privacy protection in at least two directions is realized.
Alternatively, as shown in fig. 8, the number of the first reflective members 3120 is plural. The number of the second reflective members 3121 is plural. The first reflective member 3120 and the second reflective member 3121 are adjacently disposed in sequence. In other words, one second reflective member 3121 is disposed between two adjacent first reflective members 3120; a first reflective member 3120 is disposed between two adjacent second reflective members 3121. Wherein the adjacent first and second reflective members 3120 and 3121 are still spaced apart. The plurality of first reflective members 3120 and the plurality of second reflective members 3121 may be sequentially arranged in a length direction of the cover plate assembly 31 or sequentially arranged in a width direction of the cover plate assembly 31.
It can be understood that, in this embodiment, by providing a plurality of first reflective members 3120 and a plurality of second reflective members 3121 and disposing the first reflective members 3120 and the second reflective members 3121 adjacent to each other in sequence, the intensity of the light reflected by the first reflective members 3120 to one direction of the display screen 3 is substantially the same as the intensity of the light reflected by the second reflective members 3121 to the other direction of the display screen 3, and the light in the two directions is uniformly distributed, so as to facilitate having a good and symmetrical privacy protection effect in the two directions of the display screen 3.
In an embodiment, referring to fig. 8 and 9, the light-transmitting substrate 311 includes a first light-transmitting surface 311a and a second light-transmitting surface 311b opposite to each other. In this embodiment, the first light-transmitting surface 311a and the second light-transmitting surface 311b are both planar. The first light-transmitting surface 311a and the second light-transmitting surface 311b are disposed opposite to each other in a thickness direction of the cover assembly 31. The light-transmitting substrate 311 has a plurality of grooves 3110. The first opening 3111 of the groove 3110 is flush with the first light-transmitting surface 311 a. The groove wall of the groove 3110 extends from the first light-transmitting surface 311a toward the second light-transmitting surface 311 b. The plurality of reflectors 312 are disposed in the plurality of grooves 3110, respectively. Through locating a plurality of reflectors 312 in the recess 3110 of printing opacity base plate 311, can reduce the thickness of apron subassembly 31, be favorable to realizing the frivolousization of display screen 3 when realizing privacy protection.
In one embodiment, groove 3110 further includes a bottom wall 3112 and a peripheral sidewall 3113. The bottom wall 3112 of the groove 3110 is located between the first opening 3111 and the second light-transmitting surface 311b along the thickness direction of the cover plate assembly 31. The peripheral side wall 3113 has one end connected to the first light-transmitting surface 311a and the other end connected to the bottom wall 3112. The plurality of reflectors 312 are disposed in the plurality of grooves 3110, respectively. In other words, in the present embodiment, the groove 3110 does not penetrate through the transparent substrate 311 along the thickness direction of the cover plate assembly 31. The plurality of reflectors 312 are disposed in the plurality of grooves 3110, respectively. Specifically, the number of the grooves 3110 is the same as the number of the reflectors 312, and one groove 3110 accommodates one reflector 312. The reflective members 312 are respectively disposed in the grooves 3110, and the reflective members 312 may be fixed in the grooves 3110, for example: reflector 312 is fixedly attached to peripheral sidewall 3113 and/or bottom wall 3112 of recess 3110. The connection between the reflector 312 and the wall of the groove 3110 may be bonding, clamping, or the like. Of course, the reflector 312 may also be directly molded into the groove 3110, for example: the reflective member 312 is formed in the groove 3110 by printing, evaporation, coating, or the like.
In another embodiment, referring to fig. 8 and 10, the groove 3110 further includes a peripheral wall 3113 and a second opening 3114. The second opening 3114 is flush with the second light-transmitting surface 311 b. One end of peripheral sidewall 3113 is connected to first light-transmitting surface 311a, and the other end of peripheral sidewall 3113 is connected to second light-transmitting surface 311 b. In other words, in the present embodiment, the groove 3110 penetrates the transparent substrate 311 in the thickness direction of the cover plate assembly 31. The plurality of reflectors 312 are disposed in the plurality of grooves 3110, respectively. The specific manner of disposing the reflective member 312 in the groove 3110 can refer to the above embodiments, and is not described herein again.
Optionally, referring to fig. 9 to 12, the reflector 312 further includes a first end surface 312d and a second end surface 312e, which are disposed opposite to each other. Specifically, the first end surface 312d and the second end surface 312e are disposed opposite to each other along the thickness direction of the cover plate assembly 31. The first end surface 312d is located in the first opening 3111 and flush with the first light-transmitting surface 311 a. Wherein, the edge of the first end surface 312d is connected with the edge of the first light-transmitting surface 311 a. When the groove 3110 does not penetrate through the second light-transmitting surface 311b, the second end surface 312e is located between the first light-transmitting surface 311a and the second light-transmitting surface 311 b. When the groove 3110 penetrates the second light-transmitting surface 311b, the second end surface 312e is located at the second opening 3114 and is flush with the second light-transmitting surface 311 b. Wherein, the edge of the second end surface 312e is connected with the edge of the second light-transmitting surface 311 b. The reflecting surface 312a is connected between the first end surface 312d and the second end surface 312 e. In this embodiment, the first end surface 312d of the reflector 312 is located at the first opening 3111, so that the length of the reflector 312 along the thickness direction of the cover assembly 31 can be increased, the area of the reflective surface 312a can be increased, the efficiency of the reflector 312 in reflecting light can be improved, and the effect of privacy protection can be improved.
Optionally, as shown in fig. 13, the second light-transmitting surface 311b forms the light-emitting surface 310. In this embodiment, when the groove 3110 does not penetrate through the second light transmitting surface 311b, the second light transmitting surface 311b is used as the light emitting surface 310, so that the smoothness of the light emitting surface 310 can be improved, and the improvement of user experience is facilitated.
Optionally, as shown in fig. 14, the first end surface 312d and the first light-transmitting surface 311a form the light-emitting surface 310. In this embodiment, the first end surface 312d of the reflector 312 and the first light-transmitting surface 311a form the light-emitting surface 310, and the first end surface 312d is flush with the first light-transmitting surface 311a, so that the smoothness of the light-emitting surface 310 can be ensured. In addition, the reflection member 312 is disposed near the light-emitting surface 310 along the thickness direction of the cover assembly 31, so that the path of the reflected light of the reflection member 312 can be reduced, and the reflected light of the reflection member 312 can be emitted obliquely through the light-emitting surface 310.
In another embodiment, as shown in fig. 15, the light-transmitting substrate 311 includes a first light-transmitting surface 311a and a second light-transmitting surface 311b that are opposite to each other. The first light-transmitting surface 311a and the second light-transmitting surface 311b are disposed opposite to each other along the thickness direction of the cover assembly 31. The reflector 312 is disposed on a side of the first light-transmitting surface 311a away from the second light-transmitting surface 311 b. The second light-transmitting surface 311b forms the light-emitting surface 310. It can be understood that, in the present embodiment, the transparent substrate 311, the reflective member 312 and the light emitting substrate 30 are sequentially stacked. Among them, a connection layer, such as an adhesive layer, may be disposed between the transparent substrate 311 and the reflective member 312, between the transparent substrate 311 and the light-emitting substrate 30, and between the reflective member 312 and the light-emitting substrate 30. Of course, an encapsulation layer, a polarizing layer, etc. may be further disposed between the reflector 312 and the light emitting substrate 30 to improve the display effect of the display screen 3, or a touch screen may be disposed to realize the touch effect of the display screen 3. In this embodiment, the reflective member 312 is disposed between the light-transmitting substrate 311 and the light-emitting substrate 30, privacy protection can be achieved only by adding the plurality of reflective members 312 between the light-transmitting substrate 311 and the light-emitting substrate 30, and the display screen 3 has a simple structure, is easy to manufacture, and does not damage the structure of the light-transmitting substrate 311 in the original display screen 3.
The reflection member 312 includes a support portion 3122 and a reflection portion 3123 provided on the support portion 3122. In other words, the reflection portion 3123 is fixed to the support portion 3122. The reflection portion 3123 is formed on the surface of the support portion 3122 or the reflection portion 3123 is fixedly coupled to the surface of the support portion 3122, it is understood that the reflection portion 3123 is provided on the support portion 3122. The support portion 3122 is connected to the first light transmission surface 311 a. The supporting portion 3122 may be directly formed on the first light-transmitting surface 311a of the light-transmitting substrate 311, or the supporting portion 3122 may be fixedly connected to the first light-transmitting surface 311a of the light-transmitting substrate 311. The support portion 3122 transmits light. Optionally, the supporting portion 3122 is made of glass, plastic, or the like. The support portion 3122 is for supporting the reflection portion 3123. The surface of the supporting portion 3122 for supporting the reflection portion 3123 may be inclined with respect to the light emitting surface 310, so as to form the reflection surface 312a inclined with respect to the light emitting surface 310. The side of the reflection portion 3123 facing away from the support portion 3122 forms a reflection surface 312 a.
In one embodiment, the supporting portion 3122 is integrally formed with the transparent substrate 311. For example: when the material of the supporting portion 3122 and the material of the transparent substrate 311 are both plastics, the supporting portion 3122 and the transparent substrate 311 can be integrally injection molded. When the material of the support portion 3122 and the material of the transparent substrate 311 are both glass, the support portion 3122 and the transparent substrate 311 may be integrally formed by pressing. The support portion 3122 and the transparent substrate 311 are integrally formed, which means that the support portion 3122 and the transparent substrate 311 can be formed simultaneously by one-step processing of the base material. By integrally molding the support portion 3122 and the transparent substrate 311, a connection gap between the support portion 3122 and the transparent substrate 311 can be reduced, and the service life of the support portion 3122 and the transparent substrate 311 can be prolonged.
In one embodiment, as shown in fig. 16, the light-emitting layer 302 of the light-emitting substrate 30 includes a plurality of pixel units 320. Each pixel unit 320 includes a plurality of sub-pixels 3201. The plurality of sub-pixels 3201 are arranged in order along the longitudinal direction or the width direction of the display screen 3. Each sub-pixel corresponds to an organic light emitting diode. The sub-pixel 3201 is for emitting light. In one embodiment, each pixel unit 320 includes three sub-pixels 3201, which are a red sub-pixel, a green sub-pixel, and a blue sub-pixel. The red sub-pixel is used for emitting red light. The green sub-pixel is used for emitting green light. The blue sub-pixel is for emitting blue light. An orthogonal projection of the reflective member 312 on the light emitting substrate 30 is located in a gap between two adjacent pixel units 320. In other words, the orthographic projection of the reflector 312 on the light emitting surface 310 does not overlap with the orthographic projection of the pixel unit 320 on the light emitting surface 310. By positioning the orthographic projection of the reflector 312 on the light-emitting substrate 30 in the gap between two adjacent pixel units 320, the shielding of the reflector 312 on the light emitted by the sub-pixel 3201 can be reduced or avoided, so that the light emitted by the sub-pixel 3201 can be emitted through the light-emitting surface 310 to realize the normal display of the display screen 3.
The plurality of pixel units 320 are arranged in an array. Optionally, the plurality of pixel units 320 are arranged in a matrix. Of course, in other embodiments, the plurality of pixel units 320 may be arranged in a square matrix, etc. An orthogonal projection of the reflective member 312 on the light emitting substrate 30 extends in an arrangement direction of the plurality of pixel units 320. For example: an orthogonal projection of the reflective member 312 on the light emitting substrate 30 extends in a row direction of the plurality of pixel units 320, and/or an orthogonal projection of the reflective member 312 on the light emitting substrate 30 extends in a column direction of the plurality of pixel units 320. In one embodiment, an orthogonal projection of the reflector 312 on the light-emitting substrate 30 extends along a row direction of the plurality of pixel units 320. In another embodiment, the orthographic projection of the reflector 312 on the light-emitting substrate 30 extends along the column direction of the plurality of pixel units 320. In another embodiment, the orthographic projection of the light-emitting substrate 30 under the partial reflector 312 extends along the row direction of the plurality of pixel units 320; the orthographic projection of the other partial reflector 312 on the light-emitting substrate 30 extends in the column direction of the plurality of pixel units 320. In the present embodiment, by extending the orthographic projection of the reflective member 312 on the light-emitting substrate 30 along the arrangement direction of the plurality of pixel units 320, the number of the reflective members 312 can be reduced, the length of the reflective member 312 can be extended, and privacy protection of the entire area of the display screen 3 can be advantageously achieved.
In another embodiment, as shown in fig. 17, the light emitting layer 302 of the light emitting substrate 30 includes a plurality of pixel units 320. Each pixel unit 320 includes a plurality of sub-pixels 3201. The plurality of sub-pixels 3201 are arranged in order along the longitudinal direction or the width direction of the display screen 3. The sub-pixel 3201 is for emitting light. In one embodiment, each pixel unit 320 includes four sub-pixels 3201, which are a red sub-pixel, a first green sub-pixel, a second green sub-pixel, and a blue sub-pixel. The red sub-pixel is used for emitting red light. The first green sub-pixel and the second green sub-pixel are used for emitting green light. The blue sub-pixel is for emitting blue light. The four sub-pixels 3201 may be arranged in a quadrilateral shape, or may be arranged along the length direction of the display screen 3 or the width direction of the display screen 3. The four sub-pixels 3201 may be identical or different in shape and size. In this embodiment, the shapes and areas of the red sub-pixel and the blue sub-pixel are substantially the same, and the shapes and areas of the first green sub-pixel and the second green sub-pixel are substantially the same but slightly smaller than the areas of the red sub-pixel and the blue sub-pixel. The four sub-pixels 3201 are arranged in a quadrilateral shape, wherein the red sub-pixels and the blue sub-pixels are positioned in the same column and are arranged along the width direction of the display screen 3; the first green sub-pixel and the second green sub-pixel are located in another row and arranged along the width direction of the display screen 3. The orthogonal projection of the reflective member 312 on the light emitting substrate 30 is located in the gap between two adjacent sub-pixels 3201. In this embodiment, the orthographic projection of the reflector 312 on the light-emitting substrate 30 is located in the gaps between the red sub-pixel and the first green sub-pixel and between the blue sub-pixel and the second green sub-pixel. Similarly, the light emitted by the sub-pixels 3201 can be shielded or prevented by positioning the orthogonal projection of the reflector 312 on the light-emitting substrate 30 in the gap between the sub-pixels 3201, so that the light emitted by the sub-pixels 3201 can be emitted through the light-emitting surface 310 to realize the normal display of the display screen 3.
The orthographic projection of the reflector 312 on the light-emitting substrate 30 can be bent and extended in the pixel unit 320. The bending and extending of the reflector 312 is suitable for privacy protection of the display screen 3 with irregular arrangement of the sub-pixels 3201, and meanwhile, the bending and extending of the reflector 312 increases the area of the reflecting surface 312a, thereby improving the efficiency of the light reflected by the reflecting surface 312a and having better privacy protection effect.
The features mentioned above in the description, the claims and the drawings can be combined with one another in any desired manner, insofar as they are of significance within the scope of the application. The advantages and features described for the cover plate assembly 31 apply in a corresponding manner to the display screen 3 and the electronic device 100.
The foregoing is a partial description of the present application, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations are also regarded as the protection scope of the present application.
Claims (18)
1. A cover plate assembly is provided with a light emitting surface and is characterized by comprising:
the light-transmitting substrate is used for transmitting light; and
the light-transmitting substrate comprises a plurality of light-transmitting substrates, and the light-transmitting substrates are arranged on the light-transmitting substrates and are used for transmitting light rays.
2. The lid assembly of claim 1, wherein each of said reflective members comprises at least one first reflective surface and at least one second reflective surface, said first reflective surface being oriented differently than said second reflective surface.
3. The lid assembly of claim 2, wherein the first reflective surface is oriented opposite the second reflective surface.
4. The lid assembly of claim 1, wherein the plurality of reflectors comprise at least one first reflector and at least one second reflector, the first reflector being spaced apart from the second reflector, the first reflector comprising at least one first reflective surface, the second reflector comprising at least one second reflective surface, the first reflective surface being oriented differently than the second reflective surface.
5. The cover plate assembly according to any one of claims 1 to 4, wherein the light-transmissive substrate includes a first light-transmissive surface and a second light-transmissive surface opposite to each other, the light-transmissive substrate has a plurality of grooves, a first opening of the grooves is flush with the first light-transmissive surface, a groove wall of the groove extends from the first light-transmissive surface toward the second light-transmissive surface, and the plurality of reflectors are respectively disposed in the plurality of grooves.
6. The cover assembly of claim 5, wherein the second light-transmitting surface forms the light-emitting surface.
7. The cover assembly of claim 5, wherein the reflector further comprises a first end surface and a second end surface opposite to each other, the first end surface being located at the first opening and flush with the first light-transmitting surface, the second end surface being located between the first light-transmitting surface and the second light-transmitting surface, and the reflector being connected between the first end surface and the second end surface.
8. The cover assembly of claim 7, wherein the first end surface and the first light-transmitting surface form the light-emitting surface.
9. The cover assembly of claim 5, wherein the second opening of the recess is flush with the second light-transmitting face.
10. The cover plate assembly according to any one of claims 1 to 4, wherein the light-transmissive substrate includes a first light-transmissive surface and a second light-transmissive surface opposite to each other, the reflector is disposed on a side of the first light-transmissive surface facing away from the second light-transmissive surface, and the second light-transmissive surface forms the light-emitting surface.
11. The cover plate assembly according to claim 10, wherein the reflection member includes a support portion and a reflection portion disposed on the support portion, the support portion is connected to the first light-transmitting surface, the support portion transmits light, the support portion is configured to support the reflection portion, and a side of the reflection portion facing away from the support portion forms the reflection surface.
12. The cover plate assembly of claim 11, wherein the support portion is integrally formed with the light transmissive substrate.
13. A display screen, comprising a light-emitting substrate and the cover plate assembly as claimed in any one of claims 1 to 12, wherein the cover plate assembly covers a light-emitting side of the light-emitting substrate, and the light-emitting surface faces a side away from the light-emitting substrate.
14. A display screen according to claim 13, wherein the light-emitting substrate comprises a plurality of pixel units, each pixel unit comprises a plurality of sub-pixels, the sub-pixels are used for emitting light, and the orthographic projection of the reflecting member on the light-emitting substrate is positioned in the gap between two adjacent pixel units.
15. The display screen of claim 14, wherein the plurality of pixel units are arranged in an array, and an orthogonal projection of the reflector on the light-emitting substrate extends along an arrangement direction of the plurality of pixel units.
16. A display screen according to claim 13, wherein the light-emitting substrate comprises a plurality of pixel units, each pixel unit comprises a plurality of sub-pixels, the sub-pixels are used for emitting light, and the orthographic projection of the reflector on the light-emitting substrate is located in the gap between two adjacent sub-pixels.
17. A display screen according to claim 16, wherein an orthographic projection of the reflective element on the light-emitting substrate extends in a meandering manner within the plurality of pixel cells.
18. An electronic device, comprising a housing, a motherboard, and the display screen according to any one of claims 13 to 17, wherein the housing is connected to the display screen, an accommodating space is formed between the housing and the display screen, the motherboard is disposed in the accommodating space, the motherboard is electrically connected to the display screen, and the motherboard is configured to control display contents of the display screen.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111077985.4A CN113766781A (en) | 2021-09-14 | 2021-09-14 | Cover plate assembly, display screen and electronic equipment |
| PCT/CN2022/117605 WO2023040726A1 (en) | 2021-09-14 | 2022-09-07 | Cover plate assembly, display screen, and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111077985.4A CN113766781A (en) | 2021-09-14 | 2021-09-14 | Cover plate assembly, display screen and electronic equipment |
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| Publication Number | Publication Date |
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| CN113766781A true CN113766781A (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111077985.4A Pending CN113766781A (en) | 2021-09-14 | 2021-09-14 | Cover plate assembly, display screen and electronic equipment |
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| CN (1) | CN113766781A (en) |
| WO (1) | WO2023040726A1 (en) |
Cited By (1)
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| WO2023040726A1 (en) * | 2021-09-14 | 2023-03-23 | Oppo广东移动通信有限公司 | Cover plate assembly, display screen, and electronic device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117529184B (en) * | 2023-12-06 | 2024-08-06 | 惠科股份有限公司 | Display panel and display device |
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| CN113766781A (en) * | 2021-09-14 | 2021-12-07 | Oppo广东移动通信有限公司 | Cover plate assembly, display screen and electronic equipment |
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| CN109709738A (en) * | 2017-10-20 | 2019-05-03 | 京东方科技集团股份有限公司 | Peep-proof device and its manufacturing method, display device |
| CN108493223A (en) * | 2018-04-20 | 2018-09-04 | 京东方科技集团股份有限公司 | A kind of array substrate, display device and its anti-peeping method |
| CN111261121A (en) * | 2020-02-25 | 2020-06-09 | 京东方科技集团股份有限公司 | Display device and driving method thereof |
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| WO2023040726A1 (en) | 2023-03-23 |
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