CN107102386B - With cover board for resisting dizzy function and preparation method thereof and display panel - Google Patents
With cover board for resisting dizzy function and preparation method thereof and display panel Download PDFInfo
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- CN107102386B CN107102386B CN201710213967.1A CN201710213967A CN107102386B CN 107102386 B CN107102386 B CN 107102386B CN 201710213967 A CN201710213967 A CN 201710213967A CN 107102386 B CN107102386 B CN 107102386B
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- 208000002173 dizziness Diseases 0.000 title abstract 4
- 238000002360 preparation method Methods 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 claims abstract description 41
- 239000010410 layer Substances 0.000 claims description 37
- 238000005520 cutting process Methods 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 34
- 238000005530 etching Methods 0.000 claims description 33
- 239000011521 glass Substances 0.000 claims description 29
- 239000012044 organic layer Substances 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 229920002120 photoresistant polymer Polymers 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 7
- 230000000737 periodic effect Effects 0.000 claims description 5
- 238000001312 dry etching Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000009616 inductively coupled plasma Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 206010052128 Glare Diseases 0.000 description 62
- 230000000994 depressogenic effect Effects 0.000 description 9
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000013041 optical simulation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0005—Production of optical devices or components in so far as characterised by the lithographic processes or materials used therefor
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of with cover board for resisting dizzy function and preparation method thereof and display panel.Of the invention has the cover board for resisting dizzy function, and cover board body is equipped with multiple spherical depression portions；The spherical depression portion is divided into four kinds of the first spherical depression portion, the second spherical depression portion, third spherical depression portion and the 4th spherical depression portion again；Four kinds of spherical surface recessed portion width having the same, and the height in the spherical depression portion is gradually increased by the first spherical depression portion, the second spherical depression portion, third spherical depression portion and the 4th spherical depression portion；The cover board has while resist dizzy function, can improve negative effect brought by sparkle phenomenon, improves picture display quality, it can be achieved that volume production application on high-res small size panel.
Description
Technical Field
The invention relates to the technical field of display, in particular to a cover plate with an anti-glare function, a manufacturing method of the cover plate and a display panel.
Background
Nowadays, mobile phones, vehicles and other display devices are widely used, many times, users often cannot clearly read due to the influence of high-brightness ambient light when using the display devices outdoors, and generally, an antireflection film is plated on a glass cover plate on the outer layer of the display device or anti-glare (AG) treatment is performed, so that the reflectivity of the ambient light on the surface of the display screen is reduced or the scattering of the ambient light on the surface of the display screen is increased, and the readability is improved. Among them, anti-glare treatment is a commonly used treatment method.
The AG treatment is usually carried out on the surface of the glass cover plate in an etching mode, so that the roughness of the surface is improved, the specular reflection of ambient light on the smooth glass surface is converted into diffuse reflection and scattering, the probability or intensity of the ambient light entering human eyes is reduced, and the readability of a highlight environment is improved.
However, when the glass cover plate treated by AG in the related art is attached to the surface of the display device, the phenomenon that the display screen is observed macroscopically by the human eyes to have uneven brightness or uneven color is easily caused, and the phenomenon that many flickering "spark spots" appear in the screen is perceived as a sparkle phenomenon, which is called a spark phenomenon and particularly appears on a high-resolution display screen. There is no good solution for the spark phenomenon generated when the anti-glare micro-structure cover plate is used on the high-resolution display panel.
The spark phenomenon of the display screen gives people an uncomfortable feeling, the flickering degree of the spark phenomenon is different along with the different viewing angles, great trouble is brought to the reading of people, at present, a better solution mode is not provided for the spark phenomenon, the glass cover plate processed by the AG is only used for vehicle-mounted display at present, and the AG-processed glass cover plate is not generally applied to high-resolution display panels such as mobile phone cover plates.
Disclosure of Invention
The present invention is directed to a cover plate with an anti-glare function, which can improve the negative effects of spark phenomenon and improve the display quality of images, and can be used for a high-resolution display panel.
Another objective of the present invention is to provide a method for manufacturing a cover plate with an anti-glare function, wherein the manufactured cover plate has an anti-glare function, and can improve the negative effects caused by spark phenomenon, improve the display quality of the image, and be used for a high-resolution display panel.
Another object of the present invention is to provide a display panel, which has the anti-glare cover plate, and can reduce the influence of spark phenomenon on image quality and improve image display quality.
In order to achieve the above object, the present invention first provides a cover plate with an anti-glare function, comprising a cover plate body and a plurality of spherical recesses arranged on the cover plate body;
the spherical concave parts comprise a first spherical concave part, a second spherical concave part, a third spherical concave part and a fourth spherical concave part;
first sphere depressed part, second sphere depressed part, third sphere depressed part, and fourth sphere depressed part have the same width, the degree of depth of first sphere depressed part, second sphere depressed part, third sphere depressed part, and fourth sphere depressed part increases gradually, the width indicates the sphere depressed part is in shared length on the apron body upper surface.
The width of the spherical recess is between 4 and 10 μm, and the aspect ratio of the spherical recess is between 0.05 and 0.13, wherein the aspect ratio refers to the ratio of the depth to the width of the spherical recess;
the cambered surface cutting angles of the first spherical surface concave part, the second spherical surface concave part, the third spherical surface concave part and the fourth spherical surface concave part are gradually increased; the cambered surface cutting angle refers to an included angle between a tangent line at the uppermost end of the spherical concave part and a plane where the upper surface of the cover plate body is located;
the number proportion of the first spherical concave part, the second spherical concave part, the third spherical concave part and the fourth spherical concave part in the plurality of spherical concave parts is 85% -90%, 5% -10%, 1% -2% and below 1% respectively;
the cutting angle of the cambered surface of the first spherical surface concave part is 0-10 degrees;
the arc surface cutting angle of the second spherical surface concave part is between 10 and 20 degrees;
the arc surface cutting angle of the third spherical surface concave part is between 20 and 30 degrees;
the arc surface cutting angle of the fourth spherical concave part is between 30 and 40 degrees.
The cover plate body is a glass cover plate, and the spherical concave parts are formed on the glass cover plate; or,
the cover plate body comprises a glass cover plate and a transparent organic layer formed on the glass cover plate in a coating mode, and the spherical concave parts are formed on the transparent organic layer.
The plurality of spherical concave parts are uniformly distributed on the cover plate body, and the first spherical concave part, the second spherical concave part, the third spherical concave part and the fourth spherical concave part are in non-periodic stray distribution in the plurality of spherical concave parts.
The invention also provides a manufacturing method of the cover plate with the anti-glare function, which comprises the following steps:
step S1, providing a cover plate body, and manufacturing a pattern layer on the cover plate body;
step S2, etching the cover plate body by taking the pattern layer as a shield, and etching a plurality of spherical concave parts on the upper surface of the cover plate body, wherein all the spherical concave parts are first spherical concave parts;
step S3, providing a deepened mask plate, and etching part of the first spherical recess by using the deepened mask plate to obtain a second spherical recess, a third spherical recess and a fourth spherical recess, wherein the first spherical recess, the second spherical recess, the third spherical recess and the fourth spherical recess have the same width, the depth of the first spherical recess, the depth of the second spherical recess, the depth of the third spherical recess and the depth of the fourth spherical recess are gradually increased, and the width refers to the length of the spherical recess on the upper surface of the cover plate body;
and step S4, removing the pattern layer on the cover plate body to obtain the cover plate with the anti-glare function.
The deepening mask used in the step S3 includes a first mask, a second mask, and a third mask, and the step S3 specifically includes the following steps:
step S31, covering a part of the first spherical recess with the first mask plate, exposing another part of the first spherical recess, and further etching the exposed first spherical recess, wherein the spherical recess further etched in this step is changed from the first spherical recess to a second spherical recess;
step S32, covering all the second spherical recesses and part of the first spherical recesses with the second mask plate, exposing another part of the first spherical recesses, and further etching the exposed first spherical recesses, wherein the spherical recesses further etched in this step are changed from the first spherical recesses to third spherical recesses;
step S33, covering all the second spherical recesses, all the third spherical recesses, and a part of the first spherical recesses with the third mask plate, exposing another part of the first spherical recesses, and further etching the exposed first spherical recesses, wherein the spherical recesses further etched in this step are changed from the first spherical recesses to fourth spherical recesses.
The width of the spherical recess is between 4 and 10 μm, and the aspect ratio of the spherical recess is between 0.05 and 0.13, wherein the aspect ratio refers to the ratio of the depth to the width of the spherical recess;
the cambered surface cutting angles of the first spherical surface concave part, the second spherical surface concave part, the third spherical surface concave part and the fourth spherical surface concave part are gradually increased; the cambered surface cutting angle refers to an included angle between a tangent line at the uppermost end of the spherical concave part and a plane where the upper surface of the cover plate body is located;
the number proportion of the first spherical concave part, the second spherical concave part, the third spherical concave part and the fourth spherical concave part in the plurality of spherical concave parts is 85% -90%, 5% -10%, 1% -2% and below 1% respectively;
the cutting angle of the cambered surface of the first spherical surface concave part is 0-10 degrees;
the arc surface cutting angle of the second spherical surface concave part is between 10 and 20 degrees;
the arc surface cutting angle of the third spherical surface concave part is between 20 and 30 degrees;
the arc surface cutting angle of the fourth spherical concave part is between 30 and 40 degrees.
The cover plate body provided in the step S1 is a glass cover plate; the process of manufacturing the pattern layer on the cover plate body in the step S1 specifically includes: cleaning the upper surface of the cover plate body, coating a layer of imprinting glue on the upper surface, imprinting the layer of imprinting glue by using a prepared imprinting template, and demolding to obtain a pattern layer; etching by using an inductively coupled plasma etching process in steps S2 to S3; or,
the cover plate body provided in the step S1 includes a glass cover plate, and a transparent organic layer formed by coating on the glass cover plate; the plurality of spherical recesses are formed on the transparent organic layer; the process of manufacturing the pattern layer on the cover plate body in the step S1 specifically includes: coating a layer of photoresist on the transparent organic layer, providing a preliminary mask plate, exposing the layer of photoresist by using the preliminary mask plate, and developing the exposed photoresist to obtain a pattern layer; the etching is performed in steps S2 to S3 by using a dry etching process.
The plurality of spherical concave parts are uniformly distributed on the cover plate body, and the first spherical concave part, the second spherical concave part, the third spherical concave part and the fourth spherical concave part are in non-periodic stray distribution in the plurality of spherical concave parts.
The invention also provides a display panel, which comprises the cover plate with the anti-glare function.
The invention has the beneficial effects that: the cover plate with the anti-glare function is characterized in that a plurality of spherical concave parts are arranged on the cover plate body; the spherical concave parts are divided into a first spherical concave part, a second spherical concave part, a third spherical concave part and a fourth spherical concave part; the four spherical concave parts have the same width, and the height of the spherical concave parts is gradually increased by the first spherical concave part, the second spherical concave part, the third spherical concave part and the fourth spherical concave part; the cover plate has the anti-glare function, can improve the negative influence caused by spark phenomenon, improves the picture display quality, and can realize the mass production application on a high-resolution small-size panel. The manufacturing method of the cover plate with the anti-glare function can improve the negative effects caused by spark phenomenon while the manufactured cover plate has the anti-glare function, improve the picture display quality, realize the mass production application on the high-resolution small-size panel, and has simple manufacturing method. The display panel provided by the invention adopts the cover plate with the anti-glare function, so that the influence of spark phenomenon on image quality can be reduced while the anti-glare function is realized, and the image display quality is improved.
Drawings
For a better understanding of the nature and technical aspects of the present invention, reference should be made to the following detailed description of the invention, taken in conjunction with the accompanying drawings, which are provided for purposes of illustration and description and are not intended to limit the invention.
In the drawings, there is shown in the drawings,
FIG. 1 is a schematic view of a spherical recess in a cover plate with an anti-glare function according to the present invention;
FIG. 2 is a schematic flow chart illustrating a method for manufacturing a cover plate with an anti-glare function according to the present invention;
FIGS. 3 to 4 are schematic views illustrating a step S1 of a first embodiment of a method for manufacturing a cover plate with an anti-glare function according to the present invention;
FIG. 5 is a schematic view illustrating a step S2 of a first embodiment of a method for manufacturing a cover plate with an anti-glare function according to the present invention;
FIGS. 6 to 7 are schematic views illustrating a step S31 of a first embodiment of a method for manufacturing a cover plate with an anti-glare function according to the present invention;
FIGS. 8 to 9 are schematic views illustrating a step S32 of a first embodiment of a method for manufacturing a cover plate with an anti-glare function according to the present invention;
FIGS. 10 to 11 are schematic views illustrating a step S33 of a first embodiment of a method for manufacturing a cover plate with an anti-glare function according to the present invention;
fig. 12 is a schematic view of step S4 of the method for manufacturing a cover plate with an anti-glare function according to the first embodiment of the present invention and a schematic view of a structure of the cover plate with an anti-glare function according to the first embodiment of the present invention;
FIGS. 13 to 14 are schematic views illustrating a step S1 of a second embodiment of a method for manufacturing a cover plate with an anti-glare function according to the present invention;
FIG. 15 is a schematic view illustrating a step S2 of a second embodiment of a method for manufacturing a cover plate with an anti-glare function according to the present invention;
FIGS. 16 to 17 are schematic views of step S31 of a second embodiment of a method for manufacturing a cover plate with an anti-glare function according to the present invention;
FIGS. 18 to 19 are schematic views of step S32 of a second embodiment of a method for manufacturing a cover plate with an anti-glare function according to the present invention;
FIGS. 20 to 21 are schematic views illustrating a step S33 of a second embodiment of a method for manufacturing a cover plate with an anti-glare function according to the present invention;
fig. 22 is a schematic view of step S4 of the second embodiment of the method for manufacturing a cover plate with an anti-glare function according to the present invention, and a schematic view of the structure of the second embodiment of the cover plate with an anti-glare function according to the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Referring to fig. 12, fig. 12 is a schematic structural view illustrating a first embodiment of a cover plate with an anti-glare function according to the present invention, in this embodiment, the cover plate with the anti-glare function includes a cover plate body 150 and a plurality of spherical recesses 110 disposed on the cover plate body 150;
the spherical concave part 110 is divided into a first spherical concave part 111, a second spherical concave part 112, a third spherical concave part 113 and a fourth spherical concave part 114;
the first spherical recess 111, the second spherical recess 112, the third spherical recess 113, and the fourth spherical recess 114 have the same width, and the depths of the first spherical recess 111, the second spherical recess 112, the third spherical recess 113, and the fourth spherical recess 114 are gradually increased.
Accordingly, the cut angles of the arc surfaces of the first spherical recess 111, the second spherical recess 112, the third spherical recess 113 and the fourth spherical recess 114 are gradually increased.
Specifically, the width of the spherical recess 110 is between 4 μm and 10 μm, and the aspect ratio of the spherical recess 110 is between 0.05 and 0.13, wherein, as shown in fig. 1, the width is represented by l, which refers to the length occupied by the spherical recess 110 on the upper surface of the cover plate body 150, and the aspect ratio is represented by h/l, which refers to the ratio of the depth to the width of the spherical recess 110; when the width/and the aspect ratio h/l of the spherical recess 110 are determined, the curvature radius (R) and the tangent angle (θ) of the arc surface, which is the angle between the tangent line at the uppermost end of the spherical recess 110 and the plane of the upper surface of the cap body 150, are also determined accordingly.
Specifically, the number ratios of the first spherical recess 111, the second spherical recess 112, the third spherical recess 113, and the fourth spherical recess 114 in the plurality of spherical recesses 110 are 85% -90%, 5% -10%, 1% -2%, and 1% or less, respectively.
Specifically, the cutting angle of the arc surface of the first spherical concave part 111 is between 0 and 10 degrees; the arc surface cutting angle of the second spherical concave part 112 is between 10 and 20 degrees; the arc surface cutting angle of the third spherical concave part 113 is between 20 and 30 degrees; the arc surface cutting angle of the fourth spherical concave part 114 is between 30 and 40 degrees.
Specifically, the spherical recesses 110 are uniformly distributed on the cover plate body 150, and the first spherical recess 111, the second spherical recess 112, the third spherical recess 113, and the fourth spherical recess 114 are in non-periodic stray distribution in the spherical recesses 110.
Specifically, in this embodiment, the cover plate body 150 is a glass cover plate, the spherical recesses 110 are directly formed on the glass cover plate, and since the glass cover plate is made of a hard material, the spherical recesses 110 are formed by etching the upper surface of the glass cover plate by using an Inductively Coupled Plasma (ICP) etching process.
Referring to fig. 22, fig. 22 is a schematic structural diagram of a second embodiment of a cover plate with an anti-glare function according to the present invention, in which compared with the first embodiment, the cover plate body 150 includes a glass cover plate 151 and a transparent organic layer 152 formed on the glass cover plate 151 by coating; the plurality of spherical recesses 110 are formed on the transparent organic layer 152, and accordingly, the plurality of spherical recesses 110 may be formed by etching the upper surface of the transparent organic layer 152 through a common dry etching process. Other technical features are the same as those of the first embodiment, and are not described herein again.
The cover plate with the anti-glare function of the invention is provided with a plurality of spherical concave parts 110 which are uniformly distributed on the cover plate body 150; the width of the spherical concave part 110 is between 4 μm and 10 μm, the depth-to-width ratio is between 0.05 and 0.13, and the spherical concave part 110 is divided into four types, namely a first spherical concave part 111, a second spherical concave part 112, a third spherical concave part 113 and a fourth spherical concave part 114; the four spherical recesses 110 have the same width, and the height of the spherical recess 110 is gradually increased by the first spherical recess 111, the second spherical recess 112, the third spherical recess 113, and the fourth spherical recess 114; the cover plate has the anti-glare function, can improve the negative influence caused by spark phenomenon, improves the picture display quality, and can realize the mass production application on a high-resolution small-size panel.
Referring to fig. 2, based on the above-mentioned manufacturing method of the cover plate with the anti-glare function, the present invention further provides a manufacturing method of the cover plate with the anti-glare function, wherein the first embodiment specifically includes the following steps:
step S1, as shown in fig. 3 to 4, provides a cover plate body 150, and manufactures a pattern layer 250 on the cover plate body 150.
Specifically, in this embodiment, the cover plate body 150 provided in the step S1 is a glass cover plate. The process of manufacturing the pattern layer 250 on the cover plate body 150 in the step S1 specifically includes: the upper surface of the cap body 150 is cleaned, a layer of imprint resist 300 is coated thereon, and the layer of imprint resist 300 is imprinted with the prepared imprint template 900 and released from the mold, thereby obtaining the pattern layer 250.
Step S2, as shown in fig. 5, the cover plate body 150 is etched by using the pattern layer 250 as a mask, and a plurality of spherical recesses 110 are etched on the upper surface of the cover plate body 150, wherein all the spherical recesses 110 are the first spherical recesses 111.
Step S3, providing a deepened mask 700, etching a part of the first spherical recess 111 with the deepened mask 700 to obtain a second spherical recess 112, a third spherical recess 113 and a fourth spherical recess 114, wherein the first spherical recess 111, the second spherical recess 112, the third spherical recess 113 and the fourth spherical recess 114 have the same width, and the depths of the first spherical recess 111, the second spherical recess 112, the third spherical recess 113 and the fourth spherical recess 114 are gradually increased.
Specifically, the deepening mask 700 used in the step S3 includes a first mask 710, a second mask 720, and a third mask 730, and the step S3 specifically includes the following steps:
step S31, as shown in fig. 6 to 7, covering part of the first spherical recesses 111 with the first mask 710, exposing another part of the first spherical recesses 111, specifically exposing 5% to 10% of the first spherical recesses 111 of all the spherical recesses 110, and then further etching the exposed first spherical recesses 111, wherein the spherical recesses 110 further etched in this step are changed from the first spherical recesses 111 to the second spherical recesses 112.
Step S32, as shown in fig. 8 to 9, covering all the second spherical recesses 112 and part of the first spherical recesses 111 with the second mask 720, exposing another part of the first spherical recesses 111, specifically exposing the first spherical recesses 111 in a proportion of 1% to 2% of all the spherical recesses 110, and then further etching the exposed first spherical recesses 111, where the spherical recesses 110 further etched in this step are changed from the first spherical recesses 111 to the third spherical recesses 113.
Step S33, as shown in fig. 10 to 11, covering all the second spherical recesses 112, all the third spherical recesses 113, and part of the first spherical recesses 111 with the third mask 730, exposing another part of the first spherical recesses 111, specifically exposing the first spherical recesses 111 in a proportion of 1% or less of all the spherical recesses 110, and then further etching the exposed first spherical recesses 111, wherein the spherical recesses 110 further etched in this step are changed from the first spherical recesses 111 to the fourth spherical recesses 114.
Specifically, the first spherical recess 111, the second spherical recess 112, the third spherical recess 113, and the fourth spherical recess 114 are distributed in the plurality of spherical recesses 110 in an aperiodic manner
Step S4, as shown in fig. 12, the pattern layer 250 on the upper surface of the cover plate body 150 is removed to obtain the cover plate with the anti-glare function.
Specifically, in the cover plate with the anti-glare function, the width of the spherical recess 110 is between 4 μm and 10 μm, and the aspect ratio of the spherical recess 110 is between 0.05 and 0.13.
Specifically, the cut angles of the arc surfaces of the first spherical recess 111, the second spherical recess 112, the third spherical recess 113, and the fourth spherical recess 114 are gradually increased.
Specifically, the number ratios of the first spherical recess 111, the second spherical recess 112, the third spherical recess 113, and the fourth spherical recess 114 in the plurality of spherical recesses 110 are 85% -90%, 5% -10%, 1% -2%, and 1% or less, respectively.
Specifically, the cutting angle of the arc surface of the first spherical concave part 111 is between 0 and 10 degrees; the arc surface cutting angle of the second spherical concave part 112 is between 10 and 20 degrees; the arc surface cutting angle of the third spherical concave part 113 is between 20 and 30 degrees; the arc surface cutting angle of the fourth spherical concave part 114 is between 30 and 40 degrees.
Specifically, since the cover plate body 150 is a glass cover plate and is made of a hard material, the step S2 to the step S3 are performed by etching the cover plate body 150 using an inductively coupled plasma etching process.
The second embodiment of the method for manufacturing the cover plate with the anti-glare function specifically comprises the following steps:
step S1, as shown in fig. 13-14, provides a cover plate body 150, and a pattern layer 250 is formed on the cover plate body 150.
Specifically, the cover plate body 150 provided in the step S1 includes a glass cover plate 151, and a transparent organic layer 152 formed by coating on the glass cover plate 151. The process of manufacturing the pattern layer 250 on the cover plate body 150 in the step S1 specifically includes: a layer of photoresist 300 ' is coated on the transparent organic layer 152, a preliminary mask 900 ' is provided, the layer of photoresist 300 ' is exposed by using the preliminary mask 900 ', and the exposed photoresist 300 ' is developed to obtain a pattern layer 250.
Step S2, as shown in fig. 15, the cover plate body 150 is etched by using the pattern layer 250 as a mask, and a plurality of spherical recesses 110 are etched on the upper surface of the cover plate body 150, wherein the spherical recesses 110 are uniformly distributed, and all of the spherical recesses 110 are the first spherical recesses 111.
Step S3, providing a deepened mask 700, etching a part of the first spherical recess 111 with the deepened mask 700 to obtain a second spherical recess 112, a third spherical recess 113 and a fourth spherical recess 114, wherein the first spherical recess 111, the second spherical recess 112, the third spherical recess 113 and the fourth spherical recess 114 have the same width, and the depths of the first spherical recess 111, the second spherical recess 112, the third spherical recess 113 and the fourth spherical recess 114 are gradually increased.
Specifically, the deepening mask 700 used in the step S3 includes a first mask 710, a second mask 720, and a third mask 730, and the step S3 specifically includes the following steps:
step S31, as shown in fig. 16 to 17, covering part of the first spherical recesses 111 with the first mask 710, exposing another part of the first spherical recesses 111, specifically exposing 5% to 10% of the first spherical recesses 111 of all the spherical recesses 110, and then further etching the exposed first spherical recesses 111, wherein the spherical recesses 110 further etched in this step are changed from the first spherical recesses 111 to the second spherical recesses 112.
Step S32, as shown in fig. 18 to 19, covering all the second spherical recesses 112 and part of the first spherical recesses 111 with the second mask 720, exposing another part of the first spherical recesses 111, specifically exposing the first spherical recesses 111 in a proportion of 1% to 2% of all the spherical recesses 110, and then further etching the exposed first spherical recesses 111, where the spherical recesses 110 further etched in this step are changed from the first spherical recesses 111 to the third spherical recesses 113.
Step S33, as shown in fig. 20 to 21, covering all the second spherical recesses 112, all the third spherical recesses 113, and part of the first spherical recesses 111 with the third mask 730, exposing another part of the first spherical recesses 111, specifically exposing the first spherical recesses 111 in a proportion of 1% or less of all the spherical recesses 110, and then further etching the exposed first spherical recesses 111, wherein the spherical recesses 110 further etched in this step are changed from the first spherical recesses 111 to the fourth spherical recesses 114.
Specifically, the first spherical recess 111, the second spherical recess 112, the third spherical recess 113, and the fourth spherical recess 114 are distributed in the plurality of spherical recesses 110 in an aperiodic manner.
Step S4, as shown in fig. 22, the pattern layer 250 on the cover plate body 150 is removed to obtain the cover plate with the anti-glare function.
Specifically, in the cover plate with the anti-glare function, the width of the spherical recess 110 is between 4 μm and 10 μm, and the aspect ratio of the spherical recess 110 is between 0.05 and 0.13.
Specifically, the cut angles of the arc surfaces of the first spherical recess 111, the second spherical recess 112, the third spherical recess 113, and the fourth spherical recess 114 are gradually increased.
Specifically, the number ratios of the first spherical recess 111, the second spherical recess 112, the third spherical recess 113, and the fourth spherical recess 114 in the plurality of spherical recesses 110 are 85% -90%, 5% -10%, 1% -2%, and 1% or less, respectively.
Specifically, the cutting angle of the arc surface of the first spherical concave part 111 is between 0 and 10 degrees; the arc surface cutting angle of the second spherical concave part 112 is between 10 and 20 degrees; the arc surface cutting angle of the third spherical concave part 113 is between 20 and 30 degrees; the arc surface cutting angle of the fourth spherical concave part 114 is between 30 and 40 degrees.
Specifically, in this embodiment, since the plurality of spherical recesses 111 are formed on the organic transparent organic layer 152, the etching process from the step S2 to the step S3 is performed by using a common dry etching process.
The invention further provides a display panel, which includes the cover plate with the anti-glare function, wherein the specific technical features of the cover plate with the anti-glare function are the same as those described above, and are not described herein again.
The above description mainly describes the structural parameters of the cover plate with an anti-glare function according to the present invention, and in order to verify the technical effects of the above structure, the present invention also verifies the structural characteristics through the relevant optical simulation software lighttools, which aims to improve the sparkle phenomenon while the anti-glare effect is achieved by the cover plate and the display panel with the above structure, thereby achieving the mass production application of the anti-glare structure on the high-resolution small-size panel. In the simulation test, optical simulation software is used for simulating modeling models of the cover plates with four structures in the aspect of spark and the aspect of glare resistance. The cover plates with the four structures are respectively an a-structure cover plate, a b-structure cover plate, a c-structure cover plate and a d-structure cover plate, wherein the widths of spherical depressions on the a-structure cover plate, the b-structure cover plate, the c-structure cover plate and the d-structure cover plate are respectively 4 micrometers, 6 micrometers, 10 micrometers and 15 micrometers, the depths of the spherical depressions are respectively 0.5 micrometer, the corresponding curvature radiuses are respectively 4.25 micrometers, 6.5 micrometers, 9.25 micrometers and 12.5 micrometers, the corresponding depth-to-width ratios are respectively 0.12, 0.1, 0.083 and 0.071, simulation results of the cover plates with the four structures in relevant optical modeling tests can be obtained, the average energy distribution in a specific angle range of light scattering between adjacent pixel regions is smaller for the a-structure cover plate and the b-structure cover plate, the diffusion effect is better, and the sparkle of the a-structure cover plate and the b-structure cover plate is slightly lighter in view of pixel brightness distribution. The optical simulation data of the cover plates with the four structures are shown in the table I, and the data in the table show that the cover plate with the structure a and the cover plate with the structure b show lower light scattering power and unit solid angle maximum power, so that the spherical concave part with the smaller radius can be obtained, the anti-glare performance is more excellent, the anti-glare effect is better, and the visual health of human eyes can be protected more favorably.
Light intensity data scattered on a cover plate of a watch
| Width l/. mu.m | 4 | 6 | 10 | 15 | 20 |
| Average power/W | 2.52×10-5 | 3.38×10-5 | 5.46×10-5 | 5.36×10-5 | 4.52×10-5 |
| Unit solid angle maximum power/(W sr) | 5.06×10-4 | 3.8×10-4 | 9.8×10-4 | 1.46×10-3 | 9.66×10-4 |
By adopting a software modeling mode for verification, the cover plate has the best anti-glare effect and the light spark phenomenon when the width of the spherical concave part is between 4 and 10 mu m and the depth-to-width ratio is between 0.05 and 0.13, and the comprehensive optical effect is best.
In summary, the cover plate with the anti-glare function of the present invention has a plurality of spherical depressions on the cover plate body; the spherical concave parts are divided into a first spherical concave part, a second spherical concave part, a third spherical concave part and a fourth spherical concave part; the four spherical concave parts have the same width, and the height of the spherical concave parts is gradually increased by the first spherical concave part, the second spherical concave part, the third spherical concave part and the fourth spherical concave part; the cover plate has the anti-glare function, can improve the negative influence caused by spark phenomenon, improves the picture display quality, and can realize the mass production application on a high-resolution small-size panel. The manufacturing method of the cover plate with the anti-glare function can improve the negative effects caused by spark phenomenon while the manufactured cover plate has the anti-glare function, improve the picture display quality, realize the mass production application on the high-resolution small-size panel, and has simple manufacturing method. The display panel provided by the invention adopts the cover plate with the anti-glare function, so that the influence of spark phenomenon on image quality can be reduced while the anti-glare function is realized, and the image display quality is improved.
As described above, it will be apparent to those skilled in the art that various other changes and modifications can be made based on the technical solution and the technical idea of the present invention, and all such changes and modifications should fall within the protective scope of the appended claims.
Claims (8)
1. The cover plate with the anti-glare function is characterized by comprising a cover plate body (150) and a plurality of spherical concave parts (110) arranged on the cover plate body (150);
the spherical recess (110) comprises a first spherical recess (111), a second spherical recess (112), a third spherical recess (113) and a fourth spherical recess (114);
the first spherical recess (111), the second spherical recess (112), the third spherical recess (113) and the fourth spherical recess (114) have the same width, the depth of the first spherical recess (111), the second spherical recess (112), the third spherical recess (113) and the fourth spherical recess (114) is gradually increased, and the width refers to the length of the spherical recess (110) on the upper surface of the cover plate body (150);
the width of the spherical recess (110) is between 4 and 10 μm, and the aspect ratio of the spherical recess (110) is between 0.05 and 0.13, wherein the aspect ratio refers to the ratio of the depth to the width of the spherical recess (110);
the cambered surface cutting angles of the first spherical surface concave part (111), the second spherical surface concave part (112), the third spherical surface concave part (113) and the fourth spherical surface concave part (114) are gradually increased; the cambered surface cutting angle refers to an included angle between a tangent line at the uppermost end of the spherical concave part (110) and a plane where the upper surface of the cover plate body (150) is located;
the number proportion of the first spherical concave part (111), the second spherical concave part (112), the third spherical concave part (113) and the fourth spherical concave part (114) in the plurality of spherical concave parts (110) is 85% -90%, 5% -10%, 1% -2% and less than 1% respectively;
the arc surface cutting angle of the first spherical surface concave part (111) is 0-10 degrees;
the arc surface cutting angle of the second spherical concave part (112) is between 10 and 20 degrees;
the arc surface cutting angle of the third spherical surface concave part (113) is between 20 and 30 degrees;
the arc surface cutting angle of the fourth spherical concave part (114) is between 30 and 40 degrees.
2. The cover plate with an anti-glare function according to claim 1, wherein the cover plate body (150) is a glass cover plate on which the plurality of spherical recesses (110) are formed; or,
the cover plate body (150) comprises a glass cover plate (151) and a transparent organic layer (152) formed on the glass cover plate (151) in a coating mode, and the spherical concave parts (110) are formed on the transparent organic layer (152).
3. The cover plate with an anti-glare function according to claim 1, wherein the plurality of spherical recesses (110) are uniformly distributed on the cover plate body (150), and the first spherical recess (111), the second spherical recess (112), the third spherical recess (113), and the fourth spherical recess (114) are in non-periodic stray distribution in the plurality of spherical recesses (110).
4. A manufacturing method of a cover plate with an anti-glare function is characterized by comprising the following steps:
step S1, providing a cover plate body (150), and manufacturing a pattern layer (250) on the cover plate body (150);
step S2, etching the cover plate body (150) by taking the pattern layer (250) as a shield, and etching a plurality of spherical concave parts (110) on the upper surface of the cover plate body (150), wherein all the spherical concave parts (110) are first spherical concave parts (111);
step S3, providing a deepened mask plate (700), etching a part of the first spherical recess (111) by using the deepened mask plate (700) to obtain a second spherical recess (112), a third spherical recess (113) and a fourth spherical recess (114), wherein the first spherical recess (111), the second spherical recess (112), the third spherical recess (113) and the fourth spherical recess (114) have the same width, the depths of the first spherical recess (111), the second spherical recess (112), the third spherical recess (113) and the fourth spherical recess (114) are gradually increased, and the width refers to the length of the spherical recess (110) on the upper surface of the cover plate body (150);
step S4, removing the pattern layer (250) on the cover plate body (150) to obtain the cover plate with the anti-glare function;
the plurality of spherical recesses (110) are uniformly distributed on the cover plate body (150), and the first spherical recess (111), the second spherical recess (112), the third spherical recess (113) and the fourth spherical recess (114) are in non-periodic stray distribution in the plurality of spherical recesses (110).
5. The method of claim 4, wherein the deepened mask (700) used in the step S3 includes a first mask (710), a second mask (720), and a third mask (730), and the step S3 specifically includes the steps of:
step S31, covering a part of the first spherical recess (111) with the first mask (710), exposing another part of the first spherical recess (111), and further etching the exposed first spherical recess (111), wherein the spherical recess (110) further etched in this step is changed from the first spherical recess (111) to the second spherical recess (112);
step S32, covering all of the second spherical depressions (112) and a part of the first spherical depressions (111) with the second mask (720), exposing the other part of the first spherical depressions (111), and further etching the exposed first spherical depressions (111), wherein the spherical depressions (110) further etched in this step are changed from the first spherical depressions (111) to third spherical depressions (113);
step S33, covering all of the second spherical depressions (112), all of the third spherical depressions (113), and a part of the first spherical depressions (111) with the third mask (730), exposing another part of the first spherical depressions (111), and further etching the exposed first spherical depressions (111), wherein the spherical depressions (110) further etched in this step are changed from the first spherical depressions (111) to fourth spherical depressions (114).
6. The method for manufacturing a cover plate with an anti-glare function according to claim 4, wherein the width of the spherical recess (110) is between 4 μm and 10 μm, and the aspect ratio of the spherical recess (110) is between 0.05 and 0.13, wherein the aspect ratio refers to the ratio of the depth to the width of the spherical recess (110);
the cambered surface cutting angles of the first spherical surface concave part (111), the second spherical surface concave part (112), the third spherical surface concave part (113) and the fourth spherical surface concave part (114) are gradually increased; the cambered surface cutting angle refers to an included angle between a tangent line at the uppermost end of the spherical concave part (110) and a plane where the upper surface of the cover plate body (150) is located;
the number proportion of the first spherical concave part (111), the second spherical concave part (112), the third spherical concave part (113) and the fourth spherical concave part (114) in the plurality of spherical concave parts (110) is 85% -90%, 5% -10%, 1% -2% and less than 1% respectively;
the arc surface cutting angle of the first spherical surface concave part (111) is 0-10 degrees;
the arc surface cutting angle of the second spherical concave part (112) is between 10 and 20 degrees;
the arc surface cutting angle of the third spherical surface concave part (113) is between 20 and 30 degrees;
the arc surface cutting angle of the fourth spherical concave part (114) is between 30 and 40 degrees.
7. The method of claim 4, wherein the cover plate body (150) provided in the step S1 is a glass cover plate; the process of manufacturing the pattern layer (250) on the cover plate body (150) in the step S1 specifically includes: cleaning the upper surface of the cover plate body (150), coating a layer of stamping glue (300) on the upper surface, stamping the layer of stamping glue (300) by using a prepared stamping template (900), and demolding to obtain a pattern layer (250); etching by using an inductively coupled plasma etching process in steps S2 to S3; or,
the cover plate body (150) provided in the step S1 comprises a glass cover plate (151) and a transparent organic layer (152) formed by coating on the glass cover plate (151); the plurality of spherical recesses (110) are formed on the transparent organic layer (152); the process of manufacturing the pattern layer (250) on the cover plate body (150) in the step S1 specifically includes: coating a layer of photoresist (300 ') on the transparent organic layer (152), providing a preliminary mask plate (900 '), exposing the layer of photoresist (300 ') by using the preliminary mask plate (900 '), and developing the exposed photoresist (300 ') to obtain a pattern layer (250); the etching is performed in steps S2 to S3 by using a dry etching process.
8. A display panel comprising the cover sheet having an anti-glare function according to claim 1.
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| CN107728372B (en) * | 2017-10-31 | 2020-06-09 | 武汉华星光电技术有限公司 | Display module and manufacturing method thereof |
| CN107818736B (en) * | 2017-10-31 | 2019-05-21 | 武汉华星光电技术有限公司 | Cover board of display device and preparation method thereof |
| CN107608013B (en) * | 2017-11-10 | 2020-04-17 | 信利光电股份有限公司 | Gradual change anti-glare cover plate, manufacturing method thereof and electronic equipment |
| CN110561962A (en) * | 2019-09-19 | 2019-12-13 | 华为技术有限公司 | workpiece, preparation method of workpiece, shell and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338897A (en) * | 2010-07-02 | 2012-02-01 | 不二制作所股份有限公司 | Light-transmitting member |
| CN103193392A (en) * | 2013-04-11 | 2013-07-10 | 友达光电股份有限公司 | Manufacture method for glass substrate with anti-glare function |
| CN105938268A (en) * | 2016-07-05 | 2016-09-14 | 武汉华星光电技术有限公司 | Liquid crystal display panel with dazzling preventing function |
-
2017
- 2017-04-01 CN CN201710213967.1A patent/CN107102386B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338897A (en) * | 2010-07-02 | 2012-02-01 | 不二制作所股份有限公司 | Light-transmitting member |
| CN103193392A (en) * | 2013-04-11 | 2013-07-10 | 友达光电股份有限公司 | Manufacture method for glass substrate with anti-glare function |
| CN105938268A (en) * | 2016-07-05 | 2016-09-14 | 武汉华星光电技术有限公司 | Liquid crystal display panel with dazzling preventing function |
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