CN203705676U - Slit raster, raster structure and display device - Google Patents
Slit raster, raster structure and display device Download PDFInfo
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- CN203705676U CN203705676U CN201420079232.6U CN201420079232U CN203705676U CN 203705676 U CN203705676 U CN 203705676U CN 201420079232 U CN201420079232 U CN 201420079232U CN 203705676 U CN203705676 U CN 203705676U
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- slit grating
- ultraviolet light
- layer
- grating
- absorption layer
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- 230000005540 biological transmission Effects 0.000 claims abstract description 51
- 238000010521 absorption reaction Methods 0.000 claims description 55
- 230000003287 optical effect Effects 0.000 claims description 23
- 238000010276 construction Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 14
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 claims description 14
- 238000007598 dipping method Methods 0.000 claims description 9
- FCHPFRPKJUILRG-UHFFFAOYSA-N 1,3-diphenylimidazolidin-4-one Chemical class O=C1CN(C=2C=CC=CC=2)CN1C1=CC=CC=C1 FCHPFRPKJUILRG-UHFFFAOYSA-N 0.000 claims description 3
- OOLUVSIJOMLOCB-UHFFFAOYSA-N 1633-22-3 Chemical compound C1CC(C=C2)=CC=C2CCC2=CC=C1C=C2 OOLUVSIJOMLOCB-UHFFFAOYSA-N 0.000 claims description 3
- 150000008360 acrylonitriles Chemical class 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical group C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 3
- 150000008366 benzophenones Chemical class 0.000 claims description 3
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 3
- 239000012964 benzotriazole Substances 0.000 claims description 3
- 150000003873 salicylate salts Chemical class 0.000 claims description 3
- 150000003918 triazines Chemical class 0.000 claims description 3
- 229940124543 ultraviolet light absorber Drugs 0.000 claims description 3
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 3
- 230000031700 light absorption Effects 0.000 abstract 3
- 230000001678 irradiating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 29
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 5
- 241001463139 Vitta Species 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Abstract
The utility model discloses a slit raster, a raster structure and a display device. The slit raster comprises multiple shading areas and multiple light transmission areas which are alternatively arranged, wherein the shading areas are externally provided with photochromism layers which turn into a shading state during ultraviolet light irradiation, and the light transmission areas are provided with transparent ultraviolet light absorption layers used for absorbing ultraviolet light. According to the slit raster, the transparent ultraviolet light absorption layers used for absorbing the ultraviolet light are arranged in the light transmission areas, so the transparent ultraviolet light absorption layers can absorb the ultraviolet light irradiated into the light transmission areas when 3D display is realized, and thereby the ultraviolet light irradiated into the light transmission areas is prevented from irradiating into eyes of viewers, and the eyes of the viewers are protected.
Description
Technical field
The utility model relates to stereo display technique field, relates in particular to a kind of slit grating, optical grating construction and display device.
Background technology
The display generally using is at present all to adopt two dimension to show, two-dimentional demonstration is the depth information of represent scenes intuitively.Along with the development of computer information technology and display technique, three-dimensional stereo display technique has become a research emphasis in demonstration field, because it can reproduce the three-dimensional spatial information of scene completely, make beholder can see that emersion screen is outer, stretch to depth, hang skyborne 3 D stereoscopic image.
Free 3 D display technology refers to does not need to wear any auxiliary instrument of watching, and can be observed the display technique of stereoeffect by beholder's bore hole.In numerous stereo display techniques, raster type free 3 stereo display technique due to simple in structure, be easy to realize and the feature such as stereo display is respond well, be widely applied.Grating mainly comprises lenticulation and slit grating two classes, and wherein slit grating is to be made up of the transparent grating film with light and dark slit array; Lenticulation is to be made up of the transparent optical screen with cylindrical array.Due to slit grating have simple in structure, cost of manufacture is low, grating parameter be easy to change, there is not the advantages such as focusing problem, therefore, slit grating is often used to 3 d display device.
At present, traditional slit grating is mostly the making such as automatically controlled liquid crystal device, but also has at present use photochromic material, utilizes light source to switch the light-operated grating doing.The structure of existing light-operated grating is as shown in Fig. 1 a and 1b, comprise transparent film layer 01, and be positioned at spaced light-induced variable vitta 02 on transparent film layer 01, as shown in Figure 1a, this light-induced variable vitta 02 is pellucidity when without UV-irradiation, makes display realize 2D and shows, as shown in Figure 1 b, this light-induced variable vitta 02 is shading status in the time having UV-irradiation, makes display realize 3D and shows.
The light-operated grating of said structure can enter beholder's eyes for the ultraviolet light of realizing 3D demonstration through the slit between adjacent light-induced variable vitta, thereby affect beholder's health in the time that 3D shows.
Utility model content
The utility model provides a kind of slit grating, optical grating construction and display device, the impact of ultraviolet light on human eye while demonstration in order to be reduced in 3D.
A kind of slit grating that the utility model embodiment provides, has multiple lightproof area and transmission regions of alternately putting, and described lightproof area place is provided with the photochromatic layer for becoming shading status when the UV-irradiation;
Described transmission region place is provided with transparent in absorbing the uv absorption layer of ultraviolet light.
The above-mentioned slit grating that the utility model embodiment provides; transparent in absorbing the uv absorption layer of ultraviolet light owing to being provided with at transmission region; therefore in the time realizing 3D demonstration; this uv absorption layer can absorb the ultraviolet light that is irradiated to transmission region; avoid the ultraviolet light that is irradiated to transmission region to enter into beholder's eyes, thereby beholder's eyes are played a protective role.
Preferably, in order to simplify preparation technology, save production cost, in the above-mentioned slit grating providing at the utility model embodiment, described photochromatic layer is the photochromatic layer that is arranged on the ultraviolet light bright dipping side of described slit grating and covers whole described lightproof areas and transmission region, and described uv absorption layer is the uv absorption layer that is arranged on the ultraviolet light light inlet side of described slit grating and only covers described transmission region.
Preferably, in order to simplify preparation technology, save production cost, in the above-mentioned slit grating providing at the utility model embodiment, described uv absorption layer is the uv absorption layer that is arranged on the ultraviolet light bright dipping side of described slit grating and covers whole described lightproof areas and transmission region, and described photochromatic layer is the photochromatic layer that is arranged on the ultraviolet light light inlet side of described slit grating and only covers described lightproof area.
Preferably, for the ease of implementing, in the above-mentioned slit grating providing at the utility model embodiment, described uv absorption layer is only arranged on described transmission region, and described photochromatic layer is only arranged on described lightproof area.
Preferably, for the ease of implementing, in the above-mentioned slit grating providing at the utility model embodiment, described photochromatic layer and described uv absorption layer lay respectively at the both sides of the underlay substrate of described slit grating; Or described photochromatic layer and described uv absorption layer are all positioned at the homonymy of the underlay substrate of described slit grating.
Preferably, for the ease of implementing, in the above-mentioned slit grating providing at the utility model embodiment, the material of described uv absorption layer is benzophenone series ultraviolet light absorber, salicylate class, benzophenone class, benzotriazole, group-substituted acrylonitrile, triazines or hindered amines material.
Preferably, for the ease of implementing, in the above-mentioned slit grating providing at the utility model embodiment, the material of described photochromatic layer is seemingly together with two pairs of diphenylimidazolidin-4-ones [2.2] paracyclophane.
A kind of optical grating construction that the utility model embodiment provides, comprises slit grating and is positioned at the ultraviolet source of ultraviolet light light inlet side of described slit grating, wherein, and above-mentioned any slit grating that described slit grating provides for the utility model embodiment.
A kind of display device that the utility model embodiment provides, comprises display panel and the optical grating construction that is positioned at described display panel bright dipping side, wherein, and above-mentioned any optical grating construction that described optical grating construction provides for the utility model embodiment.
Brief description of the drawings
Fig. 1 a is the structural representation of existing light-operated grating when without UV-irradiation;
Fig. 1 b is the structural representation of existing light-operated grating in the time having UV-irradiation;
One of structural representation of the slit grating that Fig. 2 provides for the utility model embodiment;
Two of the structural representation of the slit grating that Fig. 3 provides for the utility model embodiment;
Three of the structural representation of the slit grating that Fig. 4 provides for the utility model embodiment;
Four of the structural representation of the slit grating that Fig. 5 provides for the utility model embodiment;
Five of the structural representation of the slit grating that Fig. 6 provides for the utility model embodiment;
The structural representation of the optical grating construction that Fig. 7 provides for the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of a kind of slit grating, optical grating construction and the display device that the utility model embodiment is provided is described in detail.
In accompanying drawing, each layer film thickness and area size shape do not reflect the true ratio of slit grating, and object is signal explanation the utility model content just.
A kind of slit grating that the utility model embodiment provides, as shown in Figures 2 to 6, has multiple lightproof area a and transmission region b that alternately put, and lightproof area a place is provided with the photochromatic layer 100 for becoming shading status when the UV-irradiation;
Transmission region b place is provided with transparent in absorbing the uv absorption layer 200 of ultraviolet light.
The above-mentioned slit grating that the utility model embodiment provides; transparent in absorbing the uv absorption layer of ultraviolet light owing to being provided with at transmission region; therefore in the time realizing 3D demonstration; this uv absorption layer can absorb the ultraviolet light that is irradiated to transmission region; avoid the ultraviolet light that is irradiated to transmission region to enter into beholder's eyes, thereby beholder's eyes are played a protective role.
It should be noted that, in the above-mentioned slit grating providing at the utility model embodiment, the photochromatic layer that is arranged at lightproof area is shading status in the time having UV-irradiation, shows thereby make display device realize 3D; The photochromatic layer that is arranged at lightproof area is light transmission state when without UV-irradiation, shows thereby make display device realize 2D.
Particularly, in the above-mentioned slit grating providing at the utility model embodiment, the material of uv absorption layer can be benzophenone series ultraviolet light absorber, or salicylate class, benzophenone class, benzotriazole, group-substituted acrylonitrile, triazines and hindered amines, can certainly, for realizing the other materials of the utility model scheme, not limit at this.
Particularly, in the above-mentioned slit grating providing at the utility model embodiment, the material of photochromatic layer can be like together with two pairs of diphenylimidazolidin-4-ones [2.2] paracyclophane, can certainly, for realizing the other materials of the utility model scheme, not limit at this.
Particularly, in the specific implementation, the above-mentioned slit grating that the utility model embodiment provides, as shown in Figure 6, can photochromatic layer 100 only be arranged on lightproof area a, and uv absorption layer 200 is only arranged on transmission region b.When without UV-irradiation, the photochromatic layer 100 that is positioned at lightproof area a is light transmission state with the uv absorption layer 200 that is positioned at transmission region b, shows thereby can make display device realize 2D; In the time having UV-irradiation, the photochromatic layer 100 that is positioned at lightproof area a becomes shading status, and the uv absorption layer 200 that is positioned at transmission region b is still light transmission state, shows thereby can make display device realize 3D.
Particularly, the slit grating of said structure in the preparation, while forming photochromatic layer 100, need to use one mask plate composition (Mask) technique, while forming uv absorption layer 200, need to use Mask technique one, prepare this slit grating and altogether need two road Mask techniques.
Further,, in the above-mentioned slit grating providing at the utility model embodiment, photochromatic layer and uv absorption layer can lay respectively at the both sides of the underlay substrate of slit grating; Or as shown in Figure 6, photochromatic layer 100 and uv absorption layer 200 also can all be positioned at the homonymy of the underlay substrate 300 of slit grating, do not limit at this.
Preferably, in the above-mentioned slit grating providing at the utility model embodiment, in order to save Mask technique, as shown in Figures 2 and 3, photochromatic layer 100 can be the photochromatic layer that is arranged on the ultraviolet light bright dipping side of slit grating and covers whole lightproof area a and transmission region b, and uv absorption layer 200 is the uv absorption layer that is arranged on the ultraviolet light light inlet side of slit grating and only covers transmission region b.Like this, in the time of concrete making slit grating, because photochromatic layer 100 is whole layer structure, therefore do not need to use Mask technique, in the time of preparation uv absorption layer 200, use Mask technique one, prepare this slit grating one Mask technique of needs altogether.Therefore, compared with the structure shown in Fig. 6, can save Mask technique one, thereby simplify preparation technology, save production cost.
Further, in the above-mentioned slit grating providing at the utility model embodiment, as shown in Figure 2, photochromatic layer 100 and uv absorption layer 200 can lay respectively at the both sides of the underlay substrate 300 of slit grating; Or as shown in Figure 3, photochromatic layer 100 and uv absorption layer 200 also can all be positioned at the homonymy of the underlay substrate 300 of slit grating, do not limit at this.
Or, preferably, in the above-mentioned slit grating providing at the utility model embodiment, in order to save Mask technique, as shown in Figure 4 and Figure 5, uv absorption layer 200 is the uv absorption layer that is arranged on the ultraviolet light bright dipping side of slit grating and covers whole lightproof area a and transmission region b, and photochromatic layer 100 is the photochromatic layer that is arranged on the ultraviolet light light inlet side of slit grating and only covers lightproof area b.Like this, in the time of concrete making slit grating, because uv absorption layer 200 is whole layer structure, therefore do not need to use Mask technique, in the time of preparation photochromatic layer 100, use Mask technique one, prepare this slit grating one Mask technique of needs altogether.Therefore, compared with the structure shown in Fig. 6, can save Mask technique one, thereby simplify preparation technology, save production cost.
Further, in the above-mentioned slit grating providing at the utility model embodiment, as shown in Figure 4, photochromatic layer 100 and uv absorption layer 200 can lay respectively at the both sides of the underlay substrate 300 of slit grating; Or as shown in Figure 5, photochromatic layer 100 and uv absorption layer 200 also can all be positioned at the homonymy of the underlay substrate 300 of slit grating, do not limit at this.
Design based on same utility model, the utility model embodiment also provides a kind of optical grating construction, as shown in Figure 7, comprise slit grating 10 and be positioned at the ultraviolet source 20 of the ultraviolet light light inlet side of slit grating 10, wherein, above-mentioned any slit grating that slit grating 10 provides for the utility model embodiment.Because the principle that this optical grating construction is dealt with problems is similar to aforementioned a kind of slit grating, therefore the enforcement of this optical grating construction can be referring to the enforcement of slit grating, repeats part and repeat no more.
Design based on same utility model, the utility model embodiment also provides a kind of display device, comprise display panel and the optical grating construction that is positioned at display panel bright dipping side, wherein, above-mentioned any optical grating construction that optical grating construction provides for the utility model embodiment.Display panel can be e-book, Plasmia indicating panel, display panels and organic LED display panel etc.Because the principle that this display device is dealt with problems is similar to aforementioned a kind of optical grating construction, therefore the enforcement of this display device can be referring to the enforcement of optical grating construction, repeats part and repeat no more.This display device can be: any product or parts with Presentation Function such as mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.The enforcement of this display device can be referring to above-described embodiment, repeats part and repeats no more.
Based on same utility model design, the utility model embodiment also provides a kind of method for making of slit grating, can comprise the following steps:
(1) on underlay substrate, form the figure that comprises photochromatic layer, the figure of this photochromatic layer is formed at the lightproof area of this slit grating; Wherein, this photochromatic layer is shading status in the time of UV-irradiation, and this slit grating has multiple lightproof area and transmission regions of alternately putting;
Particularly, in concrete enforcement, can first on underlay substrate, deposit one deck photochromic material film, then in this photochromic material film, form the figure of the photochromatic layer that is positioned at lightproof area by composition technique.
(2) on the figure of photochromatic layer, form and cover whole lightproof areas and transmission region, transparent and for absorbing the uv absorption layer of ultraviolet light.
The method for making of the above-mentioned slit grating that the utility model embodiment provides; due to the uv absorption layer being provided with at transmission region for absorbing ultraviolet light; therefore; this slit grating is in the time realizing 3D demonstration; uv absorption layer can absorb the ultraviolet light that is irradiated to transmission region; the ultraviolet light of avoiding being irradiated to transmission region enters into beholder's eyes; thereby the eyes to beholder play a protective role; and; as long as this method for making need to need to be used one Mask technique in the time making photochromatic layer; manufacture craft is simple, can save cost of manufacture.
Based on same utility model design, the utility model embodiment also provides a kind of method for making of slit grating, can comprise the following steps:
(1) on underlay substrate, form and comprise transparent and for absorbing the figure of uv absorption layer of ultraviolet light, the figure of this uv absorption layer is formed at the transmission region of this slit grating; Wherein, this slit grating has multiple lightproof area and transmission regions of alternately putting;
Particularly, in the specific implementation, can first on underlay substrate, deposit the UV Absorption material film of layer of transparent, then in this UV Absorption material film, form the figure of the uv absorption layer that is positioned at transmission region by composition technique.
(2) on the figure of uv absorption layer, form the photochromatic layer that covers whole lightproof areas and transmission region, and the photochromatic layer that is formed at lightproof area becomes shading status in the time of UV-irradiation.
The method for making of the above-mentioned slit grating that the utility model embodiment provides; due to the uv absorption layer being provided with at transmission region for absorbing ultraviolet light; therefore; this slit grating is in the time realizing 3D demonstration; uv absorption layer can absorb the ultraviolet light that is irradiated to transmission region; the ultraviolet light of avoiding being irradiated to transmission region enters into beholder's eyes; thereby the eyes to beholder play a protective role; and; as long as this method for making need to need to be used one Mask technique in the time making uv absorption layer; manufacture craft is simple, can save cost of manufacture.
A kind of slit grating, optical grating construction and display device that the utility model embodiment provides, this slit grating has multiple lightproof area and transmission regions of alternately putting, and lightproof area place is provided with the photochromatic layer for becoming shading status when the UV-irradiation; Transmission region place is provided with transparent in absorbing the uv absorption layer of ultraviolet light.The above-mentioned slit grating that the utility model embodiment provides; transparent in absorbing the uv absorption layer of ultraviolet light owing to being provided with at transmission region; therefore in the time realizing 3D demonstration; this uv absorption layer can absorb the ultraviolet light that is irradiated to transmission region; avoid the ultraviolet light that is irradiated to transmission region to enter into beholder's eyes, thereby beholder's eyes are played a protective role.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model embodiment.Like this, if these amendments of the present utility model and within modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (9)
1. a slit grating, has multiple lightproof area and transmission regions of alternately putting, and described lightproof area place is provided with the photochromatic layer for becoming shading status when the UV-irradiation, it is characterized in that:
Described transmission region place is provided with transparent in absorbing the uv absorption layer of ultraviolet light.
2. slit grating as claimed in claim 1, it is characterized in that, described photochromatic layer is the photochromatic layer that is arranged on the ultraviolet light bright dipping side of described slit grating and covers whole described lightproof areas and transmission region, and described uv absorption layer is the uv absorption layer that is arranged on the ultraviolet light light inlet side of described slit grating and only covers described transmission region.
3. slit grating as claimed in claim 1, it is characterized in that, described uv absorption layer is the uv absorption layer that is arranged on the ultraviolet light bright dipping side of described slit grating and covers whole described lightproof areas and transmission region, and described photochromatic layer is the photochromatic layer that is arranged on the ultraviolet light light inlet side of described slit grating and only covers described lightproof area.
4. slit grating as claimed in claim 1, is characterized in that, described uv absorption layer is only arranged on described transmission region, and described photochromatic layer is only arranged on described lightproof area.
5. the slit grating as described in claim 2-4 any one, is characterized in that:
Described photochromatic layer and described uv absorption layer lay respectively at the both sides of the underlay substrate of described slit grating; Or,
Described photochromatic layer and described uv absorption layer are all positioned at the homonymy of the underlay substrate of described slit grating.
6. the slit grating as described in claim 1-4 any one, it is characterized in that, the material of described uv absorption layer is benzophenone series ultraviolet light absorber, salicylate class, benzophenone class, benzotriazole, group-substituted acrylonitrile, triazines or hindered amines material.
7. the slit grating as described in claim 1-4 any one, is characterized in that, the material of described photochromatic layer is seemingly together with two pairs of diphenylimidazolidin-4-ones [2.2] paracyclophane.
8. an optical grating construction, comprises slit grating and is positioned at the ultraviolet source of ultraviolet light light inlet side of described slit grating, it is characterized in that, described slit grating is the slit grating as described in claim 1-7 any one.
9. a display device, comprises display panel and the optical grating construction that is positioned at described display panel bright dipping side, it is characterized in that, described optical grating construction is optical grating construction as claimed in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079232.6U CN203705676U (en) | 2014-02-24 | 2014-02-24 | Slit raster, raster structure and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079232.6U CN203705676U (en) | 2014-02-24 | 2014-02-24 | Slit raster, raster structure and display device |
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| CN203705676U true CN203705676U (en) | 2014-07-09 |
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| CN201420079232.6U Expired - Lifetime CN203705676U (en) | 2014-02-24 | 2014-02-24 | Slit raster, raster structure and display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837917A (en) * | 2014-02-24 | 2014-06-04 | 京东方科技集团股份有限公司 | Slit grating, manufacturing method thereof, grating structure and display device |
| CN107728245A (en) * | 2017-09-11 | 2018-02-23 | 住华科技股份有限公司 | Light control film, display device and method for improving light control film |
| WO2018103229A1 (en) * | 2016-12-05 | 2018-06-14 | 广东未来科技有限公司 | Glass cover plate, glass cover plate manufacturing method, and 3d display apparatus |
| CN109239830A (en) * | 2018-11-15 | 2019-01-18 | 上海天马微电子有限公司 | Optical film, display panel and display device |
-
2014
- 2014-02-24 CN CN201420079232.6U patent/CN203705676U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837917A (en) * | 2014-02-24 | 2014-06-04 | 京东方科技集团股份有限公司 | Slit grating, manufacturing method thereof, grating structure and display device |
| WO2015123904A1 (en) * | 2014-02-24 | 2015-08-27 | 京东方科技集团股份有限公司 | Slit grating, manufacturing method thereof, grating structure and display device |
| CN103837917B (en) * | 2014-02-24 | 2016-03-16 | 京东方科技集团股份有限公司 | A kind of slit grating, its method for making, optical grating construction and display device |
| US9612371B2 (en) | 2014-02-24 | 2017-04-04 | Boe Technology Group Co., Ltd. | Slit grating and its manufacturing method, grating structure and display device |
| WO2018103229A1 (en) * | 2016-12-05 | 2018-06-14 | 广东未来科技有限公司 | Glass cover plate, glass cover plate manufacturing method, and 3d display apparatus |
| CN107728245A (en) * | 2017-09-11 | 2018-02-23 | 住华科技股份有限公司 | Light control film, display device and method for improving light control film |
| CN109239830A (en) * | 2018-11-15 | 2019-01-18 | 上海天马微电子有限公司 | Optical film, display panel and display device |
| CN109239830B (en) * | 2018-11-15 | 2020-11-20 | 上海天马微电子有限公司 | Optical film, display panel and display device |
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