CN111584560B - Flexible display panel, display screen and electronic device - Google Patents
Flexible display panel, display screen and electronic device Download PDFInfo
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- CN111584560B CN111584560B CN202010381543.8A CN202010381543A CN111584560B CN 111584560 B CN111584560 B CN 111584560B CN 202010381543 A CN202010381543 A CN 202010381543A CN 111584560 B CN111584560 B CN 111584560B
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- 238000005452 bending Methods 0.000 claims abstract description 43
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000005538 encapsulation Methods 0.000 claims description 9
- 238000004806 packaging method and process Methods 0.000 claims 6
- 230000000694 effects Effects 0.000 abstract description 12
- 239000010410 layer Substances 0.000 description 55
- 238000010586 diagram Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 239000012860 organic pigment Substances 0.000 description 2
- 229920001621 AMOLED Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
- H10K77/111—Flexible substrates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The embodiment of the application discloses flexible display panel, display screen and electron device, this flexible display panel includes: a bending region; it comprises the following steps: a flexible substrate; a display layer disposed on a first side of the flexible substrate, the display layer including a first display portion; the first display part corresponds to the position of the bending area; the first display part comprises a first edge light-emitting unit; the color resistance layer is arranged on the light emitting side of the first display part; the color resistance layer comprises a first color resistance part, the first color resistance part is arranged on the light emitting side of the first edge light emitting unit, the color of the first color resistance part is the same as that of the first edge light emitting unit, and the position of the first color resistance part corresponds to that of the first edge light emitting unit. The flexible display panel, the display screen and the electronic device can avoid color cast in a non-bending area, and improve the display effect.
Description
Technical Field
The application relates to the technical field of display, in particular to a flexible display panel, a display screen and an electronic device.
Background
Compared with a conventional Liquid Crystal Display (LCD), an Organic Light Emitting Diode (OLED) display panel is widely used in a flexible display panel due to its advantages of high contrast, wide viewing angle, bright color, and fast response speed.
The current flexible display panel usually includes a bending region and a non-bending region, however, the non-bending region is prone to color shift due to the bending region and the non-bending region being under different viewing angles, for example, the non-bending region looks like a white picture, the bending region looks like not a white picture but a little pink, or is a cyan, etc., which causes distortion of the picture, thereby reducing the display effect.
Disclosure of Invention
The embodiment of the application provides a flexible display panel, a display screen and an electronic device, which can avoid color cast in a non-bending area and improve the display effect.
The embodiment of the application provides a flexible display panel, wherein the flexible display panel comprises a bending area; it includes:
a flexible substrate;
a display layer disposed on a first side of the flexible substrate, the display layer including a first display portion; the first display part corresponds to the position of the bending area; the first display part includes a first edge light emitting unit;
the color resistance layer is arranged on the light emitting side of the first display part; the color resistance layer comprises a first color resistance part, the first color resistance part is arranged on the light emitting side of the first edge light emitting unit, the color of the first color resistance part is the same as that of the first edge light emitting unit, and the position of the first color resistance part corresponds to that of the first edge light emitting unit.
The embodiment of the application provides a display screen, which comprises the flexible display panel and a touch layer.
The embodiment of the application provides an electronic device, which comprises the display screen.
The flexible display panel, the display screen and the electronic device provided by the embodiment of the application comprise a flexible substrate; a display layer disposed on a first side of the flexible substrate, the display layer including a first display portion; the first display part corresponds to the position of the bending area; the first display part comprises a first edge light-emitting unit; the color resistance layer is arranged on the light emitting side of the first display part; the color resistance layer comprises a first color resistance part, the first color resistance part is arranged on the light emitting side of the first edge light emitting unit, the color of the first color resistance part is the same as that of the first edge light emitting unit, and the position of the first color resistance part corresponds to that of the first edge light emitting unit; because the color resistance layer is added in the bending area, the chroma of the bending area is adjusted, the color cast of the bending area is avoided, and the display effect is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a flexible display panel according to an embodiment of the present disclosure.
Fig. 2 is a schematic structural diagram of a flexible display panel according to another embodiment of the present disclosure.
Fig. 3 is a schematic structural diagram of a flexible display panel according to yet another embodiment of the present disclosure.
Fig. 4 is a schematic structural diagram of a flexible display panel according to still another embodiment of the present disclosure.
Fig. 5 is a schematic structural diagram of a flexible display panel according to still another embodiment of the present application.
Fig. 6 is a schematic structural diagram of a flexible display panel according to yet another embodiment of the present application.
Fig. 7 is a top view of a flexible display panel according to an embodiment of the present application.
Fig. 8 is a schematic structural diagram of a flexible display panel according to another embodiment of the present application.
Fig. 9 is a schematic structural diagram of a flexible display panel according to yet another embodiment of the present application.
Fig. 10 is a schematic structural diagram of a flexible display panel according to yet another embodiment of the present application.
Fig. 11 is a schematic structural diagram of a display screen according to an embodiment of the present application.
Fig. 12 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Further, the present application may repeat reference numerals and/or reference letters in the various examples for simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or arrangements discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1 to 11, fig. 1 is a schematic structural diagram of a flexible display panel according to an embodiment of the present disclosure.
As shown in fig. 1 to 3, in a top view, the flexible display panel 100 may include a bending region 101 and a non-bending region 102, and the flexible display panel 100 includes: the flexible substrate 10, the display layer 20, and the color resist layer 30, and may further include an encapsulation layer 40.
The flexible substrate 10 may include a flexible substrate 12 and a switch array layer 13, and may further include a back plate 11. Wherein the back plate 11 plays a supporting role, the flexible substrate 12 can be a single layer structure or a multi-layer structure, and the material thereof can be polyimide. The switch array layer 13 includes a plurality of switch elements, and the cross-sectional structure of the switch elements may include a gate electrode, a semiconductor layer, and source and drain electrodes. The switching element may be a thin film transistor. Of course, the specific structure of the flexible substrate 10 is not limited thereto.
The display layer 20 is arranged on a first side of the flexible substrate 10, the first side is a side far away from the back plate, and the display layer 20 comprises a first display portion 201 and a second display portion 202; the first display part 201 corresponds to the position of the bending region 101; the second display portion 202 corresponds to the position of the non-bending region 102; the first display portion 201 includes a first edge light emitting unit 21, a second edge light emitting unit 22, and a third edge light emitting unit 23; the first to third edge light emitting units 21 to 23 may be organic light emitting diodes or active matrix organic light emitting diodes. The second display portion 202 includes a plurality of light emitting units.
The color resistance layer 30 is arranged on the light emitting side of the first display part 201; the color resist layer 30 includes a first color resist portion 31, the first color resist portion 31 is disposed on the light emitting side of the first edge light emitting unit 21, the color of the first color resist portion 31 is the same as the color of the first edge light emitting unit 21, and the position of the first color resist portion 31 corresponds to the position of the first edge light emitting unit 21. That is, the first color resistor 31 covers the first edge emitting unit 21.
In another embodiment, as shown in FIG. 2, the color-resist layer 30 includes a second color-resist portion 32; the second color resist 32 is disposed on the light emitting side of the second edge light emitting unit 22, the color of the second color resist 32 is the same as the color of the second edge light emitting unit 22, and the position of the second color resist 32 corresponds to the position of the second edge light emitting unit 22. In order to avoid the influence on the display effect of the non-bending region, the light-emitting side of the second display portion 202 is not provided with a color-resist layer. That is, the second color resist 32 covers the second edge light emitting unit 22.
In yet another embodiment, as shown in fig. 3, the color-resist layer 30 includes a third color-resist portion 33; the third color-resisting portion 33 is disposed at the light-emitting side of the third edge light-emitting unit 23, the color of the third color-resisting portion 33 is the same as the color of the third edge light-emitting unit 23, and the position of the third color-resisting portion 33 corresponds to the position of the third edge light-emitting unit 23. In one embodiment, the first color resist portion 31 is a red color resist portion, the second color resist portion 32 is a green color resist portion, and the third color resist portion 33 is a blue color resist portion.
In another embodiment, as shown in fig. 4, in order to further reduce color shift and improve display effect, the color-resist layer 30 includes a first color-resist portion 31 and a second color-resist portion 32; that is, the first color resist portion 31 is disposed on the light emitting side of the first edge light emitting unit 21, and the second color resist portion 32 is disposed on the light emitting side of the second edge light emitting unit 22.
In another embodiment, as shown in fig. 5, in order to further reduce color shift and improve display effect, the color-resist layer 30 includes a first color-resist portion 31 and a third color-resist portion 33; that is, the first color resist portion 31 is disposed on the light emitting side of the first edge light emitting unit 21, and the third color resist portion 33 is disposed on the light emitting side of the third edge light emitting unit 23.
In a further embodiment, in order to further reduce color shift and improve display effect, the color-resist layer further includes a second color-resist portion 32 and a third color-resist portion 33; that is, the second color resist portion 32 is disposed on the light emitting side of the second edge light emitting unit 22 and the third color resist portion 33 is disposed on the light emitting side of the third edge light emitting unit 23.
In another embodiment, as shown in fig. 6 and 7, in order to further reduce color shift and improve display effect, the color-resist layer 30 includes a first color-resist portion 31, a second color-resist portion 32, and a third color-resist portion 33; that is, the first color resist portion 31 is disposed on the light emitting side of the first edge light emitting unit 21, the second color resist portion 32 is disposed on the light emitting side of the second edge light emitting unit 22, and the third color resist portion 33 is disposed on the light emitting side of the third edge light emitting unit 23. The material of each color resist portion may include organic pigment and soluble resin, the color of the organic pigment is set as required, and the chromaticity of the corresponding position may be changed by adjusting the thickness of the color resist layer 30. The color resist layer 30 may be manufactured by one of inkjet printing, silk screen printing, and coating.
In one embodiment, returning to fig. 1, the encapsulation layer 40 is disposed on the color resist layer 30 and the second display portion 202. The encapsulation layer 40 may include a first organic layer 41, an inorganic layer 42, and a second organic layer 43 from bottom to top.
In another embodiment, as shown in fig. 8, in order to improve the service life of the display layer, the encapsulation layer 40 is disposed on the display layer 20; the color resist layer 30 is disposed on the encapsulation layer 40.
In yet another embodiment, as shown in fig. 9, the encapsulation layer 40 is disposed on the display layer 30 in order to reduce the thickness of the panel; the color-resist layer 30 is embedded within the encapsulation layer 40.
In yet another embodiment, in order to further reduce the color shift, as shown in fig. 10, the coverage area of the color-resistance layer 30 near the non-bending region 102 side is larger than the coverage area of the color-resistance layer 30 far from the non-bending region side 102. That is, the density of the color resist layer 30 near the non-bending region 102 side is greater than the density of the color resist layer 30 far from the non-bending region side 102, and the density is the total number of color resist portions. Since the bending region on the non-bending region 102 side has a large curvature, a large number of color resists are provided here, which can further reduce color shift and improve display effect, and fig. 10 is only an example and does not limit the present invention.
Because the color resistance layer is added in the bending area, the chroma of the bending area is adjusted, the color cast of the bending area is avoided, and the display effect is improved.
As shown in fig. 11, the present embodiment further provides a display screen 200, which includes any one of the flexible display panel 100 and the touch layer 220. In one embodiment, the touch layer 220 is disposed above the flexible display panel, but the disposing manner is not limited thereto.
Referring to fig. 12, fig. 12 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. The electronic device 300 may include a display 200, a housing 301, and a control circuit 302. It should be noted that the electronic device 300 shown in fig. 12 is not limited to the above, and may further include other devices, such as a camera, an antenna structure, a thread unlocking module, and the like.
The display screen 200 is disposed on the housing 301.
In some embodiments, the display 200 may be fixed to the housing 301, and a sealed space is formed between the display 200 and the housing 301 to accommodate the control circuit 302 and the like.
In some embodiments, the housing 301 may be made of a flexible material, such as a plastic housing or a silicon housing.
The control circuit 302 is installed in the housing 301, the control circuit 302 may be a motherboard of the electronic device 300, and one, two or more functional components of a battery, an antenna structure, a microphone, a speaker, an earphone interface, a universal serial bus interface, a camera, a distance sensor, an ambient light sensor, a receiver, a processor, and the like may be integrated on the control circuit 302.
The display panel 200 is mounted in the housing 301, and the display panel 200 is electrically connected to the control circuit 302 to form a display surface of the electronic device 300. The display screen 200 may include a display area and a non-display area. The display area may be used to display a screen of the electronic device 300 or provide a user with touch control. The non-display area may be used to set various functional components.
The electronic device 300 may be a display, a mobile phone, a tablet computer, a television, a wearable electronic device, a navigation display device, or the like.
The flexible display panel, the display screen and the electronic device provided by the embodiment of the application comprise a flexible substrate; a display layer disposed on a first side of the flexible substrate, the display layer including a first display portion; the first display part corresponds to the position of the bending area; the first display part includes a first edge light emitting unit; the color resistance layer is arranged on the light emitting side of the first display part; the color resistance layer comprises a first color resistance part, the first color resistance part is arranged on the light emitting side of the first edge light emitting unit, the color of the first color resistance part is the same as that of the first edge light emitting unit, and the position of the first color resistance part corresponds to that of the first edge light emitting unit; because the color resistance layer is added in the bending area, the chroma of the bending area is adjusted, the color cast of the bending area is avoided, the distortion of a picture is further avoided, and the display effect is improved.
The flexible display panel, the display screen and the electronic device provided by the embodiments of the present application are described in detail above, and specific examples are applied herein to illustrate the principles and implementations of the present application, and the above descriptions of the embodiments are only used to help understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (9)
1. The flexible display panel is characterized by comprising bending areas and non-bending areas, wherein the non-bending areas are positioned between two adjacent bending areas; it includes:
a flexible substrate;
a display layer disposed on a first side of the flexible substrate, the display layer including a first display portion; the first display part corresponds to the position of the bending area; the first display part includes a first edge light emitting unit;
the color resistance layer is arranged on the light emitting side of the first display part; the color resistance layer comprises a first color resistance part, the first color resistance part is arranged on the light emitting side of the first edge light emitting unit, the color of the first color resistance part is the same as that of the first edge light emitting unit, and the position of the first color resistance part corresponds to that of the first edge light emitting unit; the coverage area of the color resistance layer close to the non-bending region side is larger than that of the color resistance layer far away from the non-bending region side.
2. The flexible display panel according to claim 1, wherein the first display portion further comprises a second edge light-emitting unit;
the color resistance layer further comprises a second color resistance part;
the second color resistance part is arranged on the light-emitting side of the second edge light-emitting unit, the color of the second color resistance part is the same as that of the second edge light-emitting unit, and the position of the second color resistance part corresponds to that of the second edge light-emitting unit.
3. The flexible display panel according to claim 1 or 2,
the first display part further comprises a third edge light-emitting unit;
the color resistance layer also comprises a third color resistance part;
the third color resistance part is arranged on the light-emitting side of the third edge light-emitting unit, the color of the third color resistance part is the same as that of the third edge light-emitting unit, and the position of the third color resistance part corresponds to that of the third edge light-emitting unit.
4. The flexible display panel of claim 1, further comprising: an encapsulation layer;
the display layer further comprises a second display part; the second display part corresponds to the position of the non-bending area;
the packaging layer is arranged on the color resistance layer and the second display part.
5. The flexible display panel according to claim 1, wherein the flexible display panel further comprises: a packaging layer; the packaging layer is arranged on the display layer; the color resistance layer is arranged on the packaging layer.
6. The flexible display panel of claim 1, further comprising: a packaging layer; the packaging layer is arranged on the display layer; the color resistance layer is embedded in the encapsulation layer.
7. The flexible display panel of claim 1, wherein the display layer further comprises a second display portion; and the light emergent side of the second display part is not provided with a color resistance layer.
8. A display screen comprising the flexible display panel according to any one of claims 1 to 7 and a touch layer.
9. An electronic device, characterized in that it comprises a display screen according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010381543.8A CN111584560B (en) | 2020-05-08 | 2020-05-08 | Flexible display panel, display screen and electronic device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010381543.8A CN111584560B (en) | 2020-05-08 | 2020-05-08 | Flexible display panel, display screen and electronic device |
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| CN111584560A CN111584560A (en) | 2020-08-25 |
| CN111584560B true CN111584560B (en) | 2022-09-09 |
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| CN113745295A (en) * | 2021-08-30 | 2021-12-03 | 武汉华星光电半导体显示技术有限公司 | Display panel |
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