CN214011697U - Cover plate capable of realizing integral black, display panel and display device - Google Patents
Cover plate capable of realizing integral black, display panel and display device Download PDFInfo
- Publication number
- CN214011697U CN214011697U CN202023251222.0U CN202023251222U CN214011697U CN 214011697 U CN214011697 U CN 214011697U CN 202023251222 U CN202023251222 U CN 202023251222U CN 214011697 U CN214011697 U CN 214011697U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- layer
- black
- display
- electrochromic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a realize integrative black apron, display panel and display device, this apron includes: the display screen comprises a first transparent substrate, electrochromic functional layers and a second transparent substrate, wherein the first transparent substrate, the electrochromic functional layers and the second transparent substrate are stacked, and a cover plate is attached to the display screen body. Through implementing the utility model discloses, adopt electrochromic device as optics transmissivity switching layer, laminate its and the display surface of display screen, can realize the switching of display screen between black and transparent state, improved the transmissivity of integrative black class display device display panel light when keeping silent the uniformity of screen and bright screen. Meanwhile, the electrochromic function layer in the cover plate is designed into an array shape, the cover plate area can be divided into a plurality of working areas, the color change is realized by simultaneously controlling the array type color change areas, the design of the display cover plate with different sizes is better adapted, and the response speed and the color change uniformity of the electrochromic type integrated black cover plate are improved. The method has great significance for realizing the large-size electrochromic cover plate.
Description
Technical Field
The utility model relates to a show technical field, concretely relates to can realize integrative black apron, display panel and display device.
Background
With the continuous advance of the internet of things technology, various large-screen interaction devices, mobile intelligent display devices and the like are continuously increased at the present stage. The development of display technology also continuously promotes the aesthetic enhancement of consumers, and people pursue the aesthetic feeling more and more. However, the ink area and the window area of most current display screens are usually different in color, and the display screens have obvious color difference limits in the information screen state and poor visual effect, so that the design requirement of the display device called 'integral black' is met.
"black" means that the color difference between the display area and the edge ink area is difficult to be distinguished by naked eyes under the screen state, so that the display panel looks integrated with the environment. The technology of 'integral black' can make the appearance of the product more high-grade, atmospheric, beautiful and scientific. At present, the scheme of realizing the 'integral black' of the display device is mainly realized by changing the color of the panel. However, the current processes such as screen printing or film coating and direct use of semi-transparent materials can seriously affect the optical transmittance of the device, affect the display brightness of the display device, and reduce the optical extraction rate of the device.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a can realize integrative black apron, display panel and display device to solve among the prior art display device influence the display brightness of device of "integrative black", reduce the technical problem of the optics extraction rate of device.
The utility model discloses the first aspect provides a can realize integrative black apron, this apron includes: the display screen comprises a first transparent substrate, electrochromic functional layers and a second transparent substrate, wherein the first transparent substrate, the electrochromic functional layers and the second transparent substrate are stacked, and the cover plate is attached to the display screen body.
Optionally, the electrochromic functional layer comprises: the electrode comprises a first transparent electrode layer, a color changing layer, an electrolyte layer, an ion storage layer and a second transparent electrode layer which are stacked.
Optionally, the ion storage layer has an operating voltage range opposite to that of the discoloration layer.
Optionally, the ion storage layer comprises an organic ion storage layer, an inorganic ion storage layer and an organic-inorganic hybrid ion storage layer; the color-changing layer comprises an organic color-changing layer, an inorganic color-changing layer and an organic-inorganic hybrid color-changing layer; the electrolyte layer includes: an ion doped gel electrolyte layer.
Optionally, the first transparent electrode layer and/or the second transparent electrode layer comprises any one of an indium tin oxide electrode layer, an indium zinc oxide electrode layer, or a nano-electrode layer.
Optionally, the cover plate capable of realizing integral black further includes: the first transparent electrode layer is connected with the anode of the power supply, and the second transparent electrode layer is connected with the cathode of the power supply.
Optionally, the first transparent substrate and/or the second transparent substrate comprises: a glass substrate or an organic polymer substrate.
Optionally, the area of the cover plate is larger than or equal to the area of the display screen in the attaching arrangement.
The utility model discloses a second aspect provides a display panel, include: display screen and laminating setting are in if on the display screen the embodiment of the utility model provides a first aspect and first aspect arbitrary can realize integrative black apron.
The third aspect of the present invention provides a display device, including the second aspect of the present invention.
The utility model discloses technical scheme has following advantage:
the embodiment of the utility model provides a can realize integrative black apron, display panel and display device, adopt electrochromic device as optics transmissivity switching layer, laminate its and the display surface of display screen, can realize the switching of display screen between black and transparent state, the problem that traditional "integrative black" display device printing ink or the low device high-power consumption that leads to of translucent material transmissivity and display effect are poor when lighting has been solved, the transmissivity of display panel light when keeping the screen of uniformity of "integrative black" class display device and bright screen has been improved. Meanwhile, the electrochromic function layer in the cover plate is designed into an array shape, the cover plate can be divided into a plurality of working areas, the color change is realized by simultaneously controlling a plurality of array-type color change areas, the cover plate is better suitable for the design of display device cover plates with different sizes, and the response speed and the color change uniformity of the electrochromic integrated black cover plate are improved. The problems of slow response and nonuniform coloring of the traditional large-size electrochromic device are solved, the splicing type large-size electrochromic device is prevented from being packaged for multiple times and then spliced, and the method has great significance for realizing the large-size electrochromic cover plate.
Further, the first transparent electrode layer is connected with the anode of the power supply, and the second transparent electrode layer is connected with the cathode of the power supply, so that the colored state can be maintained for a long time only by applying a transient driving voltage to the first transparent electrode layer and the second transparent electrode layer.
Furthermore, the working voltage range of the ion storage layer is opposite to that of the color changing layer, so that the ion storage layer can play a role in color superposition or complementation on the color changing layer, and the display effect of the integrated black cover plate in a transparent state and a black state is better.
Furthermore, the area of the display screen is larger than or equal to the area of the display screen which is arranged in a fitting mode through the cover plate. Therefore, the display surface of the display screen can be completely covered after the cover plate is attached to the display screen, and the integral black display effect of the display screen is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a block diagram of an embodiment of the present invention, illustrating a cover plate that can be made of black;
fig. 2 is a block diagram of another embodiment of the present invention, which can realize a black cover plate.
Detailed Description
As described in the background art, when the conventional display device implements an integral black design, there are generally three methods, namely, after the cover plate is subjected to CNC, strengthening, screen printing/black frame evaporation, an IR ink semi-permeable printing is performed on the window area or the key part of the cover plate, and the integral black effect is achieved by adjusting the color and transmittance of the ink; directly plating an inorganic film on the glass cover plate by magnetron sputtering and an optical principle, and adjusting the reflection, the transmission and the chromatic aberration of a film layer window area so as to ensure that the colors of the touch display screen window and the frame are consistent; thirdly, the 'integral black' effect is realized by directly using a semi-transparent material, and the material can be plastic or glass. However, the three methods can seriously affect the optical transmittance of the device, affect the display brightness of the display device and reduce the optical extraction rate of the device.
On this basis, the embodiment of the utility model provides a can realize integrative black apron, include: the display screen comprises a first transparent substrate, electrochromic functional layers and a second transparent substrate, wherein the first transparent substrate, the electrochromic functional layers and the second transparent substrate are stacked, and the cover plate is attached to the display screen body.
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
An embodiment of the present invention provides a cover plate capable of implementing integral black, as shown in fig. 1, the cover plate includes: the display panel comprises a first transparent substrate 10, electrochromic functional layers 20 and a second transparent substrate 30 which are arranged in an array mode in a stacked mode, and a cover plate is attached to the display surface of a display screen 40. In an embodiment, the electrochromic functional layer 20 arranged in an array may be in a single-row multi-row array structure, a single-row multi-column array structure, or a multi-column multi-row array structure, and the array structure is not particularly limited in the present invention. In one embodiment, after the cover plate is manufactured according to the structures of the first transparent substrate 10, the electrochromic functional layer 20 and the second transparent substrate 30, the formed cover plate may be attached to the display 40.
According to the cover plate capable of realizing integral black provided by the embodiment of the invention, the electrochromic device is used as the optical transmittance switching layer and is attached to the display surface of the display screen, so that the switching of the display screen between black and transparent states can be realized, the problems of high power consumption and poor display effect of the device caused by low transmittance of ink or semi-transparent material when the traditional integral black display device is lightened are solved, and the consistency of the integral black display device during screen rest and the transmittance of display panel light during screen lightening are improved. Meanwhile, the electrochromic function layer in the cover plate is designed into an array shape, the cover plate can be divided into a plurality of working areas, the color change is realized by simultaneously controlling a plurality of array-type color change areas, the cover plate is better suitable for the design of display device cover plates with different sizes, and the response speed and the color change uniformity of the electrochromic integrated black cover plate are improved. The problems of slow response and nonuniform coloring of the traditional large-size electrochromic device are solved, the splicing type large-size electrochromic device is prevented from being packaged for multiple times and then spliced, and the method has great significance for realizing the large-size electrochromic cover plate.
In one embodiment, the first transparent substrate 10 or the second transparent substrate 30 of the cover plate is adhered to the display surface of the display screen. The power supply of the electrochromic functional layer can be connected with a driving chip of the display screen 40, and the driving chip can apply forward voltage to the electrochromic functional layer 20 through the power supply when the driving display screen 40 is lightened, so that the electrochromic functional layer 20 is in a non-colored transparent state, the transmittance is greater than 80%, and the influence on the display effect is small; meanwhile, when the display screen 40 is driven to be extinguished, negative voltage is applied to the electrochromic functional layer 20, so that the electrochromic functional layer 20 is in a colored state, and the transmittance of the electrochromic functional layer 20 is reduced to below 10%, so that the display screen 40 attached to the cover plate is enabled to achieve an integral black effect.
In one embodiment, as shown in fig. 2, the electrochromic functional layer 20 includes: a first transparent electrode layer 21, a discoloration layer 22, an electrolyte layer 23, an ion storage layer 24, and a second transparent electrode layer 25, which are stacked. In one embodiment, when forming the electrochromic functional layer 20 in an array arrangement, several rows and several columns of functional layers and specific shapes of the functional layers may be arranged according to specific required array arrangement, for example, specific requirements. The electrochromic functional layer 20 can be prepared by the following steps: forming a patterned first transparent electrode layer 21 on the first transparent substrate 10, and then forming a patterned color-changing layer 22 on the patterned first transparent electrode layer 21; forming a patterned second transparent electrode layer 25 on a second transparent substrate 30, then forming a patterned ion storage layer 24 on the patterned second transparent electrode layer 25, then assembling the first transparent substrate 10 and the second transparent substrate in alignment, then pouring the electrolyte layer 23, and performing press-fit packaging, thereby obtaining the cover plate. Thus, by preparing partial structures on the first transparent substrate 10 and the second transparent substrate 20, respectively, the problem of poor contact between the second transparent electrode 25 and the second transparent cover 30 can be solved. Specifically, after the cover plate is prepared, when the cover plate is attached to the display screen 40, the first transparent substrate 10 of the cover plate may be attached to the display surface of the display screen 40, or the second transparent substrate 30 may be attached to the display surface of the display screen 40.
In an embodiment, the first transparent substrate 10 and/or the second transparent substrate 30 includes: a glass substrate or an organic polymer substrate. The organic polymer substrate includes a polymethyl methacrylate substrate, and may be other organic polymer substrates. The first transparent electrode layer 21 and/or the second transparent electrode layer 25 include any one of an indium tin oxide electrode layer, an indium zinc oxide electrode layer, and a nanoelectrode layer, and other transparent electrode materials may be selected for the first transparent electrode layer 21 and/or the second transparent electrode layer 25. In one embodiment, the first transparent electrode layer 21 is connected to the anode of a power source, the second transparent electrode layer 25 is connected to the cathode of the power source, and when the electrochromic functional layer 20 is switched between the transparent state and the colored state, the colored state can be maintained for a long period of time only by applying a momentary driving voltage to the first transparent electrode layer 21 and the second transparent electrode layer 25.
In one embodiment, the coloration layer 22 includes an organic coloration layer, an inorganic coloration layer, and an organic-inorganic hybrid coloration layer; the ion storage layer 24 comprises an organic ion storage layer, an inorganic ion storage layer and an organic-inorganic hybrid ion storage layer; the operating voltage range of the ion storage layer 24 is opposite to the operating voltage range of the discoloration layer 22. In a specific embodiment, the material of the ion storage layer 24 may be selected such that the ion storage layer 24 and the color-changing layer 22 are color-changing materials of different electrodes, that is, the color-changing layer 22 changes color at the anode, for example, the operating voltage thereof is 0V to 1.5V; the ion storage layer changes color for the cathode, and the working voltage is selected to be 0V-1.5V, so that the ion storage layer 24 can play a role in color superposition or complementation for the color changing layer 22, and the display effect of the integrated black cover plate in a transparent state and a black state is better.
In one embodiment, when the coloration layer 22 and the ion storage layer 24 are inorganic materials, the coloration layer 22 may be an anodic electrochromic material, such as an oxide or hydrate of a group VIII, i.e., group Pt, metal, including NiO, Ir0x, Rh2O3、TiO2Etc.; the ion storage layer 24 may be selected from a cathodic electrochromic material. For example WO of group VI B3、MoO3And mixed material thereof and V2O5、Nb2O5、TiO2、BiO3And the like.
In one embodiment, the electrolyte layer 23 includes: an ion doped gel electrolyte layer. The electrolyte layer 23 may be a transparent electrolyte material, and specifically, the electrolyte layer 23 includes a complex of a high molecular polymer of an electron donating group and a metal cation of an alkali metal salt. In one embodiment, the area of the cover plate is greater than or equal to the area of the display screen 40 disposed in a fitting manner. Therefore, the display surface of the display screen 40 can be completely covered after the cover plate is attached to the display screen, and the integral black display effect of the display screen is ensured.
An embodiment of the present invention further provides a display panel, including: the display screen and the cover plate which is attached to the display screen and can realize integral black are provided by the embodiment.
According to the display panel provided by the embodiment of the invention, the electrochromic device is used as the optical transmittance switching layer and is attached to the display surface of the display screen, so that the switching of the display screen between a black state and a transparent state can be realized, the problems of high power consumption and poor display effect of the device caused by low transmittance of ink or a semi-transparent material when the traditional 'integral black' display device is lightened are solved, and the consistency of the 'integral black' display device during screen rest and the transmittance of the display panel during screen lightening are improved. Meanwhile, the electrochromic function layer in the cover plate is designed into an array shape, the cover plate can be divided into a plurality of working areas, the color change is realized by simultaneously controlling a plurality of array-type color change areas, the cover plate is better suitable for the design of display device cover plates with different sizes, and the response speed and the color change uniformity of the electrochromic integrated black cover plate are improved. The problems of slow response and nonuniform coloring of the traditional large-size electrochromic device are solved, the splicing type large-size electrochromic device is prevented from being packaged for multiple times and then spliced, and the method has great significance for realizing the large-size electrochromic cover plate.
An embodiment of the utility model provides a still provide a display device, this display device includes: the method comprises the following steps: the display panel provided by the embodiment is provided.
The utility model provides a display device adopts electrochromic device as optics transmissivity switching layer, laminates its display surface with the display screen, can realize the switching of display screen between black and transparent state, has solved traditional "integrative black" display device and has printed ink or the low device high-power consumption that leads to of translucent material transmissivity and the poor problem of display effect when lighting, has improved the transmissivity of display panel light when keeping silent of "integrative black" class display device uniformity and bright screen. Meanwhile, the electrochromic function layer in the cover plate is designed into an array shape, the cover plate can be divided into a plurality of working areas, the color change is realized by simultaneously controlling a plurality of array-type color change areas, the cover plate is better suitable for the design of display device cover plates with different sizes, and the response speed and the color change uniformity of the electrochromic integrated black cover plate are improved. The problems of slow response and nonuniform coloring of the traditional large-size electrochromic device are solved, the splicing type large-size electrochromic device is prevented from being packaged for multiple times and then spliced, and the method has great significance for realizing the large-size electrochromic cover plate.
Although the present invention has been described in detail with respect to the exemplary embodiments and the advantages thereof, those skilled in the art will appreciate that various changes, substitutions and alterations can be made to the embodiments without departing from the spirit of the invention and the scope of the invention as defined by the appended claims. For other examples, one of ordinary skill in the art will readily appreciate that the order of the process steps may be varied while maintaining the scope of the present invention.
Moreover, the scope of the present application is not intended to be limited to the particular embodiments of the process, machine, manufacture, composition of matter, means, methods and steps described in the specification. As one of ordinary skill in the art will readily appreciate from the disclosure of the present invention, processes, machines, manufacture, compositions of matter, means, methods, or steps, presently existing or later to be developed, that perform substantially the same function or achieve substantially the same result as the corresponding embodiments described herein may be utilized according to the present invention. Accordingly, the appended claims are intended to include within their scope such processes, machines, manufacture, compositions of matter, means, methods, or steps.
Claims (10)
1. The utility model provides a can realize integrative black apron which characterized in that includes: the display screen comprises a first transparent substrate, electrochromic functional layers and a second transparent substrate, wherein the first transparent substrate, the electrochromic functional layers and the second transparent substrate are stacked, and the cover plate is attached to the display screen body.
2. The all-in-one black realizable cover plate of claim 1, wherein the electrochromic functional layer comprises: the electrode comprises a first transparent electrode layer, a color changing layer, an electrolyte layer, an ion storage layer and a second transparent electrode layer which are stacked.
3. The all-in-one black-realizable cover plate according to claim 2, wherein an operating voltage range of the ion storage layer is opposite to an operating voltage range of the color-changing layer.
4. The cover plate capable of realizing integral black according to claim 2,
the ion storage layer comprises an organic ion storage layer, an inorganic ion storage layer and an organic-inorganic hybrid ion storage layer;
the color-changing layer comprises an organic color-changing layer, an inorganic color-changing layer and an organic-inorganic hybrid color-changing layer;
the electrolyte layer includes: an ion doped gel electrolyte layer.
5. The all-in-one black-realizable cover plate according to claim 2, wherein the first transparent electrode layer and/or the second transparent electrode layer comprises any one of an indium-tin-oxide electrode layer, an indium-zinc-oxide electrode layer, or a nano-electrode layer.
6. The cover plate capable of realizing integral black according to claim 2, further comprising: the first transparent electrode layer is connected with the anode of the power supply, and the second transparent electrode layer is connected with the cathode of the power supply.
7. The all-in-one black-realizable cover plate of claim 1, wherein the first transparent substrate and/or the second transparent substrate comprises: a glass substrate or an organic polymer substrate.
8. The cover plate capable of realizing integral black of claim 1, wherein the area of the cover plate is larger than or equal to the area of a display screen arranged in a fitting manner.
9. A display panel, comprising: a display screen and the cover plate which is attached to the display screen and can realize integral black of any one of claims 1 to 8.
10. A display device characterized by comprising the display panel according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023251222.0U CN214011697U (en) | 2020-12-29 | 2020-12-29 | Cover plate capable of realizing integral black, display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023251222.0U CN214011697U (en) | 2020-12-29 | 2020-12-29 | Cover plate capable of realizing integral black, display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214011697U true CN214011697U (en) | 2021-08-20 |
Family
ID=77293553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023251222.0U Active CN214011697U (en) | 2020-12-29 | 2020-12-29 | Cover plate capable of realizing integral black, display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214011697U (en) |
-
2020
- 2020-12-29 CN CN202023251222.0U patent/CN214011697U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101833932B (en) | Display that viewing area is controlled and manufacture thereof and control method | |
| US7532383B2 (en) | Electrochromic device having improved color properties | |
| US7158276B1 (en) | Pressure sensitive electrochromic device and method of fabricating the same | |
| US7362490B2 (en) | Electrochromic mirror or window displaying information | |
| CN202472183U (en) | Transparent liquid crystal display (LCD) panel and transparent LCD | |
| CN103217832B (en) | Color filter, manufacturing method and displaying device of color filter | |
| CN1213328C (en) | Display device having electrooptic unit and photoelectric cell | |
| CN107644895A (en) | Organic electroluminescence display panel, its preparation method, driving method and display device | |
| US20060268385A1 (en) | Multi-cell electrochromic devices | |
| US20210026212A1 (en) | Electrochromic device with side-by-side structure and application thereof | |
| CN102289016A (en) | Display device, liquid crystal panel, color filter and manufacturing method of color filter | |
| WO2017107254A1 (en) | Liquid crystal display and method for driving liquid crystal display to display images | |
| CN107340663A (en) | Light modulation device and preparation method thereof, backlight assembly, display device | |
| KR20150063773A (en) | Dual-mode pixels including emissive and reflective device and dual-mode display using the pixels | |
| US10303034B2 (en) | Double-sided display panel and double-sided display device | |
| CN203069941U (en) | Electrochromic device | |
| CN105204261A (en) | Display panel and driving method thereof as well as display device | |
| US10663829B2 (en) | Blue light-blocking structure and manufacturing method thereof, display device and operation method thereof | |
| CN214011697U (en) | Cover plate capable of realizing integral black, display panel and display device | |
| CN113759605A (en) | Backlight module and display device thereof | |
| JP6235841B2 (en) | Liquid crystal display | |
| JP6807687B2 (en) | Lighting device and liquid crystal display device | |
| Kobayashi | Electrochromic Display | |
| KR20190026208A (en) | Electrochromism element and electrochromism device comprising the same | |
| CN207249313U (en) | Electrochomeric glass |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |