CN219737958U - Electronic paper display device - Google Patents
Electronic paper display device Download PDFInfo
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- CN219737958U CN219737958U CN202321001104.5U CN202321001104U CN219737958U CN 219737958 U CN219737958 U CN 219737958U CN 202321001104 U CN202321001104 U CN 202321001104U CN 219737958 U CN219737958 U CN 219737958U
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- electronic paper
- display device
- paper display
- array substrate
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- 239000010410 layer Substances 0.000 claims abstract description 156
- 239000000758 substrate Substances 0.000 claims abstract description 96
- 239000002346 layers by function Substances 0.000 claims abstract description 24
- 238000001962 electrophoresis Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000002245 particle Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 17
- 230000003287 optical effect Effects 0.000 abstract description 8
- 230000031700 light absorption Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The utility model relates to the technical field of display and discloses an electronic paper display device which comprises a top substrate layer, an electrophoresis layer and a bottom substrate layer, wherein the top substrate layer comprises a top electrode layer and a light filtering layer; an electrophoretic liquid and electrophoretic particles are arranged in the electrophoretic layer; the bottom substrate layer comprises an array substrate, and a bottom electrode layer and a functional layer which are respectively arranged on the array substrate, at least one of the array substrate or the functional layer is a shading material layer, and the light shading material layer is arranged on the bottom substrate layer or the array substrate is arranged as a substrate layer with a shading effect, so that the absorption of light rays or the shielding interference effect of the bottom substrate layer on electric signals can be improved, the display contrast and the color gamut of the electronic paper display device are further improved, and the overall optical display effect of the electronic paper display device is finally improved.
Description
Technical Field
The utility model relates to the technical field of display, in particular to an electronic paper display device.
Background
With the development of display technology, the electronic paper display has the characteristics of low energy consumption, soft display effect similar to paper, ultra-thin and light weight, and the like, so that the electronic paper display has good application prospect. Among them, the plasma electronic paper technology is one of the main ways to realize color electronic paper. The plasma electronic paper technology is characterized in that a plasma filling layer is arranged between a top substrate and a bottom ARRAY substrate, and particles of the plasma filling layer are arranged and combined under the driving of electrodes of the upper substrate and the lower substrate, so that different pictures are displayed.
However, in the present electronic paper display, in order to pursue further thinning, the distance between the upper and lower substrates is further reduced, so that the volume of the plasma filling layer is reduced, and the number of plasma filling particles is reduced, so that the possibility that voids exist between the plasma filling particles is increased, and thus, more external light irradiates the lower substrate through the voids, that is, the probability that light coming from the outside irradiates again through the upper substrate, the plasma filling layer and the lower substrate is increased, the black-and-white contrast is reduced, and the size of the color gamut of the display is influenced, and finally, the optical effect of the whole display is deteriorated.
Disclosure of Invention
The present utility model is directed to solving at least one of the problems of the background art. Therefore, the utility model provides the electronic paper display device which has good optical display effect and has the characteristics of light weight and thinness.
According to an embodiment of the first aspect of the utility model, an electronic paper display device comprises a top substrate layer, an electrophoresis layer and a bottom substrate layer, wherein the top substrate layer comprises a top electrode layer and a filter layer; the electrophoresis layer is internally provided with electrophoresis liquid and electrophoresis particles; the bottom substrate layer comprises an array substrate, a bottom electrode layer and a functional layer which are respectively arranged on the array substrate, and at least one of the array substrate or the functional layer is a shading material layer.
According to another embodiment of the present utility model, the functional layer is an insulating light shielding film layer.
According to another embodiment of the present utility model, the functional layer is an insulating light shielding film layer.
According to another embodiment of the utility model, a connection glue layer is arranged between the insulating shading film layer and the array substrate, and the connection glue layer is arranged on the surface of one side of the array substrate far away from the electrophoresis layer.
According to another embodiment of the present utility model, the bottom electrode layer is disposed on a surface of the array substrate near the electrophoresis layer.
According to another embodiment of the present utility model, the array substrate is a black base material layer or an opaque base material layer.
According to another embodiment of the present utility model, the array substrate is a black acrylic plate.
According to another embodiment of the present utility model, the electrophoresis device further comprises a blocking wall, wherein the blocking wall is disposed in the electrophoresis layer, and two ends of the blocking wall are respectively connected with the top substrate layer and the bottom substrate layer.
According to another embodiment of the utility model, the height of the barrier wall is 2-20 μm.
According to another embodiment of the present utility model, the filter layer is a color filter layer, and the color filter layer includes at least three different filter portions.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model discloses an electronic paper display device, which comprises a top substrate layer, an electrophoresis layer and a bottom substrate layer, wherein the top substrate layer comprises a top electrode layer and a light filtering layer; an electrophoretic liquid and electrophoretic particles are arranged in the electrophoretic layer; the bottom substrate layer comprises an array substrate, and a bottom electrode layer and a functional layer which are respectively arranged on the array substrate, at least one of the array substrate and the functional layer is an insulating shading material layer or a conductive shading material layer, and the insulating shading material layer or the conductive shading material layer is arranged on the bottom substrate layer, so that the absorption of light rays or the shielding interference effect of the bottom substrate layer on electric signals can be improved, the contrast and the color gamut of the electronic paper display device are further improved, and the overall optical display effect is improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The drawings are only for purposes of illustrating embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a schematic cross-sectional view of an embodiment of an electronic paper display device according to the present utility model;
FIG. 2 is a schematic cross-sectional view of another embodiment of an electronic paper display device according to the present utility model;
FIG. 3 is a schematic cross-sectional view of another embodiment of an electronic paper display device according to the present utility model; the meaning of the labels in the figures is:
100. an electronic paper display device;
110. a top substrate layer; 111. a top electrode layer; 112. a filter layer;
120. an electrophoretic layer; 121. electrophoresis particles;
130. a bottom substrate layer; 131. an array substrate; 132. a bottom electrode layer; 133. a functional layer;
134. connecting the adhesive layer;
140. the blocking wall.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In order to describe the electronic paper display device provided by the utility model, the following description is made in detail with reference to the accompanying drawings and the text description of the embodiments.
Referring to fig. 1 to 3, an electronic paper display device 100 according to an embodiment of the utility model is described below, as shown in fig. 1 to 3, the electronic paper display device 100 includes a top substrate layer 110, an electrophoresis layer 120 and a bottom substrate layer 130, specifically, the top substrate layer 110 includes a top electrode layer 111 and a filter layer 112, an electrophoresis liquid (not shown in the drawing) and electrophoresis particles 121 are disposed in the electrophoresis layer 120, the bottom substrate layer 130 includes an array substrate 131, and a bottom electrode layer 132 and a functional layer 133 respectively disposed on the array substrate 131, and at least one of the array substrate 131 and the functional layer 133 is a light shielding material layer, and by disposing the light shielding material layer on the bottom substrate layer 130, the absorption of light or the interference effect of the bottom substrate layer 130 on electrical signals can be improved, thereby improving the contrast and color gamut of the electronic paper display device 100, and improving the overall optical display effect.
It should be noted that, the contrast refers to measurement of different brightness levels between the brightest white and darkest black in the display area, the larger the difference range is, the larger the contrast is, the smaller the difference range is, the smaller the contrast is, and when the contrast is larger, vivid and rich colors are easy to display, and meanwhile, colors of various orders are supported; the color gamut refers to a range of colors that can be expressed by a certain color expression pattern, specifically, the color gamut in this embodiment refers to a color range that can be expressed by a display, and in this embodiment, by disposing a light shielding material layer on the bottom substrate layer 130, the darkest black effect can be improved, so that the contrast can be improved, the color gamut range can be enlarged, and the overall optical display effect can be further improved.
It should be noted that, in this embodiment, the array substrate 131 and the functional layer 133 may be both insulating light-shielding material layers, such as a black film, or the array substrate 131 and the functional layer 133 may be both conductive light-shielding material layers, such as a metal film layer, or the array substrate 131 is an insulating light-shielding material layer, the functional layer 133 is a conductive light-shielding material layer, or only the functional layer 133 is a conductive light-shielding material layer, which can be understood that the materials of the array substrate 131 and the functional layer 133 may be selected according to specific usage situations, and are not limited herein.
According to an embodiment of the present utility model, as shown in fig. 1, the functional layer 133 is an insulating light-shielding film layer, specifically, the insulating light-shielding film layer may be a black film, and it is understood that the functional layer 133 may have insulation and light-shielding effects when being an insulating light-shielding material layer.
The black film (black liquid film) is an artificial lipid film, which is a bilayer film formed at the opening of a polytetrafluoroethylene film immersed in water, and has a thickness of usually micrometer scale, and is dark because light reflection and interference bands are not seen due to its too small thickness compared to the wavelength of light.
According to an embodiment of the present utility model, as shown in fig. 1, the functional layer 133 is a conductive light shielding film layer, specifically, the conductive light shielding film layer may be a metal film layer or an Indium Tin Oxide (ITO) layer, and it is understood that the functional layer 133 may play a role in shielding signal interference and shielding light when being a conductive light shielding material layer.
It should be noted that the metal film layer may be made of one or more metal materials in Mo, AL, ag, CU, ta, sn, nb, nd, and specifically, the metal film layer may be one of an aluminum film, a copper foil or a tin foil.
According to an embodiment of the utility model, as shown in fig. 2, a connection glue layer 134 is disposed between the conductive light shielding film layer and the array substrate 131, and the connection glue layer 134 is disposed on a surface of one side of the array substrate 131 away from the electrophoresis layer 120, and the metal film layer is connected with the array substrate 131 through the connection glue layer 134.
It should be noted that the adhesive layer 134 may be OCA adhesive, double sided adhesive, glue, etc., and it is understood that the adhesive layer 134 may also be any combination of OCA adhesive, double sided adhesive, or glue, which is not specifically limited in this embodiment.
It should be noted that, in some other embodiments, as shown in fig. 3, the conductive light shielding film layer is directly connected to the array substrate 131, for example, the conductive light shielding film layer may be disposed on the array substrate 131 by a coating, a plating film or a printing method, that is, a film layer or a material layer that is disposed between the conductive light shielding film layer and the array substrate 131 and plays a role in connection is omitted.
According to an embodiment of the present utility model, as shown in fig. 1-3, the bottom electrode layer 132 is disposed on a side surface of the array substrate 131 near the electrophoretic layer 120, and the bottom electrode layer 132 and the top electrode layer 111 together realize driving of the electrophoretic layer 120, so that the bottom electrode layer 132 needs to be disposed on a side surface of the array substrate 131 near the electrophoretic layer 120.
According to an embodiment of the present utility model, as shown in fig. 2 and 3, the array substrate 131 is a black substrate layer or an opaque substrate layer, and it is understood that when the array substrate 131 is a black substrate layer or an opaque substrate layer, a shading effect can be achieved, so that the display contrast ratio is improved, the color gamut range is enlarged, and the overall optical display effect is further improved.
According to an embodiment of the present utility model, as shown in fig. 2 and 3, the array substrate 131 is a black acrylic plate, it can be understood that the black acrylic plate can absorb external light to play a role of shading, so as to improve the contrast of display, expand the color gamut range, and further improve the overall optical display effect.
According to an embodiment of the present utility model, as shown in fig. 1-3, the electrophoresis apparatus further comprises a blocking wall 140, wherein the blocking wall 140 is disposed in the electrophoresis layer 120, and two ends of the blocking wall 140 are respectively connected with the top substrate layer 110 and the bottom substrate layer 130, and by disposing the blocking wall 140 between the top substrate layer 110 and the bottom substrate layer 130, the electrophoresis layer 120 can be limited between the top substrate layer 110 and the bottom substrate layer 130 to form a closed "box", and meanwhile, two ends of the blocking wall 140 are respectively connected with the top substrate layer 110 and the bottom substrate layer 130 to play a supporting role, so as to improve the compression resistance between the top substrate layer 110 and the bottom substrate layer 130.
According to an embodiment of the present utility model, as shown in fig. 1 to 3, the height of the blocking wall 140 is 2-20 μm, it is understood that the smaller the height of the blocking wall 140 is, the smaller the number of the electrophoretic particles 121 of the electrophoretic layer 120 is, which affects the overall display effect, and thus, it is necessary to reasonably limit the height of the blocking wall 140 so that the overall effect is better, and preferably, the height of the blocking wall 140 is 8-15 μm.
According to an embodiment of the present utility model, as shown in fig. 1 to 3, the filter layer 112 is a color filter layer 112, and the color filter layer 112 includes at least three different filter portions (not shown in the drawings), it is understood that at least three colors and a combination thereof may be implemented by providing at least three filter portions, thereby implementing a color display.
The above embodiments of the electronic paper display device provided by the present utility model are not to be construed as limiting the scope of the claims, and those skilled in the art should understand that various modifications and substitutions can be made without departing from the spirit of the utility model, and all modifications and substitutions are within the scope of the claims, i.e. the scope of the claims shall be defined by the claims.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
Claims (10)
1. An electronic paper display device, comprising:
a top substrate layer comprising a top electrode layer and a filter layer;
an electrophoresis layer in which an electrophoresis liquid and electrophoresis particles are disposed;
the bottom substrate layer comprises an array substrate, a bottom electrode layer and a functional layer which are respectively arranged on the array substrate, and at least one of the array substrate or the functional layer is a shading material layer.
2. The electronic paper display device according to claim 1, wherein the functional layer is an insulating light shielding film layer.
3. The electronic paper display device of claim 1, wherein the functional layer is a conductive light shielding film layer.
4. The electronic paper display device according to claim 3, wherein a connection glue layer is disposed between the conductive light shielding film layer and the array substrate, and the connection glue layer is disposed on a surface of the array substrate, which is far away from the electrophoresis layer.
5. The electronic paper display device of claim 4, wherein the bottom electrode layer is disposed on a surface of the array substrate adjacent to the electrophoretic layer.
6. The electronic paper display device of claim 1, wherein the array substrate is a black matrix layer or an opaque matrix layer.
7. The electronic paper display device of claim 6, wherein the array substrate is a black acrylic plate.
8. The electronic paper display device of claim 1, further comprising a barrier wall disposed in the electrophoretic layer, wherein two ends of the barrier wall are connected to the top substrate layer and the bottom substrate layer, respectively.
9. The electronic paper display device of claim 8, wherein the barrier wall has a height of 2-20 μm.
10. The electronic paper display device of claim 1, wherein the filter layer is a color filter layer comprising at least three different filter portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321001104.5U CN219737958U (en) | 2023-04-28 | 2023-04-28 | Electronic paper display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321001104.5U CN219737958U (en) | 2023-04-28 | 2023-04-28 | Electronic paper display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219737958U true CN219737958U (en) | 2023-09-22 |
Family
ID=88064604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321001104.5U Active CN219737958U (en) | 2023-04-28 | 2023-04-28 | Electronic paper display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219737958U (en) |
-
2023
- 2023-04-28 CN CN202321001104.5U patent/CN219737958U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Laibao Display Technology Co.,Ltd. Assignor: SHENZHEN LAIBAO HI-TECH Co.,Ltd. Contract record no.: X2024980006773 Denomination of utility model: Electronic paper display device Granted publication date: 20230922 License type: Common License Record date: 20240605 |
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| EE01 | Entry into force of recordation of patent licensing contract |