CN217788399U - Display panel and display device - Google Patents
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- CN217788399U CN217788399U CN202221920998.3U CN202221920998U CN217788399U CN 217788399 U CN217788399 U CN 217788399U CN 202221920998 U CN202221920998 U CN 202221920998U CN 217788399 U CN217788399 U CN 217788399U
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Abstract
The utility model relates to a show technical field, disclose a display panel and display device. The display panel includes a transparent electrochromic assembly and a transparent OLED assembly. The two groups of transparent electrochromic assemblies are arranged at intervals along a first direction, are arranged oppositely and are perpendicular to the first direction, and comprise transparent electrochromic layers and first transparent substrates, wherein the first transparent substrates are arranged on two opposite sides of each transparent electrochromic layer; the transparent OLED assembly is perpendicular to the first direction and connected between the two sets of transparent electrochromic assemblies and comprises a transparent OLED layer and a second transparent substrate, and the second transparent substrate is arranged on at least one side of the transparent OLED layer along the first direction. The utility model discloses realize that display panel has unilateral demonstration, two sides all show and two sides all do not all show etc. three kinds of states, improve the practicality, enlarge suitable scene, do benefit to moreover and improve production efficiency.
Description
Technical Field
The utility model relates to a show technical field, especially relate to a display panel and display device.
Background
Organic Light Emitting Diode (OLED) panels have the characteristics of high contrast, wide viewing angle, thin thickness, and the like, and are widely used in the market. The transparent OLED panel has high transparency, and is widely applied to scenes such as digital signage business displays, traffic, buildings, homes and the like. When the transparent OLED panel is used as a porthole or a home screen, images, videos or other display contents can be displayed through the transparent OLED panel. However, due to the transparent characteristic, the device does not have the functions of protecting the privacy of the user and displaying in a single direction in a specific scene, and has low practicability and few applicable scenes.
Accordingly, a display panel and a display device are needed to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a display panel and display device to realize that display panel has unilateral demonstration, two sides all show and two sides all do not show etc. three kinds of states, improve the practicality, guarantee the display effect, enlarge suitable scene, do benefit to improvement production efficiency moreover.
To achieve the purpose, the utility model adopts the following technical proposal:
a display panel, comprising:
the transparent electrochromic device comprises two groups of transparent electrochromic assemblies, wherein the two groups of transparent electrochromic assemblies are arranged at intervals along a first direction, are arranged oppositely and are perpendicular to the first direction, each transparent electrochromic assembly comprises a transparent electrochromic layer and a first transparent substrate, and the first transparent substrates are arranged on two opposite sides of the transparent electrochromic layer along the first direction;
transparent OLED subassembly, the perpendicular to first direction sets up and connects in two sets of between the transparent electrochromic subassembly, transparent OLED subassembly includes transparent OLED layer and the transparent substrate of second, transparent OLED layer is followed at least one side of first direction is provided with the transparent substrate of second.
As an optional technical scheme of the display panel, the second transparent substrates are disposed on both sides of the transparent OLED layer along the first direction, and the second transparent substrates are connected to the transparent electrochromic assemblies on the corresponding sides.
As an optional technical solution of the display panel, the transparent electrochromic layer includes a gel electrolyte layer and a transparent electrode layer, the gel electrolyte layer and two layers are provided between the first transparent substrates, the transparent electrode layer is located on the same side of the gel electrolyte layer along the first direction and the first transparent substrate form a substrate, and the refractive index of the gel electrolyte layer is the same as that of the substrate.
As an optional technical solution of the display panel, a thickness of the first transparent substrate on a side of the transparent electrochromic assembly facing the transparent OLED assembly is smaller than a thickness of the first transparent substrate on a side of the transparent electrochromic assembly opposite to the transparent OLED assembly.
As an optional technical scheme of the display panel, the thickness of the first transparent substrate on one side of the transparent electrochromic assembly, which faces the transparent OLED assembly, is 1mm to 0.3mm; and/or the presence of a gas in the gas,
the thickness of the first transparent substrate on the side, opposite to the transparent OLED component, of the transparent electrochromic component is 1 mm-1.8 mm.
As an optional technical scheme of the display panel, the first transparent substrate is made of glass or polyimide;
and/or the second transparent substrate is made of glass or polyimide.
As an optional technical solution of the display panel, the display panel further includes an optical adhesive layer, and the optical adhesive layer is coated between the transparent OLED assembly and at least one group of the transparent electrochromic assemblies.
As an optional technical scheme of the display panel, the optical adhesive layer is coated between the transparent OLED assembly and the two sets of transparent electrochromic assemblies.
As an optional technical scheme of the display panel, the optical adhesive layer is made of OCA (optically clear adhesive).
A display device comprising a display panel as described above.
The utility model has the advantages that:
the utility model provides a display panel, it includes transparent electrochromic subassembly and transparent OLED subassembly, the both sides of transparent OLED subassembly all are provided with transparent electrochromic subassembly, transparent OLED subassembly is at the during operation, transparent electrochromic subassembly can change its colour or transparent degree through plus electric field, thereby make display panel can have the unilateral demonstration, two sides all show and two sides all do not all show three kinds of states such as, display panel's practicality has been improved, display panel's suitable scene has been enlarged, when the transparent electrochromic subassembly of one side is the transparent full perspective mode for the transparent electrochromic subassembly of blackish mode and opposite side, display panel's display effect has been guaranteed. And the two sides of the transparent electrochromic assembly are provided with first transparent substrates, and at least one side of the transparent OLED assembly is provided with a second transparent substrate, so that the transparent electrochromic assembly and the transparent OLED assembly can be independently processed by utilizing respective substrates, and then the qualified transparent electrochromic assembly is connected with the transparent OLED assembly, thereby being beneficial to realizing synchronous production and processing of the transparent electrochromic assembly and the transparent OLED assembly, being beneficial to improving the production efficiency, reducing the production cost, simultaneously ensuring the integral structural strength of the display panel, and ensuring the durability.
The utility model provides a display device, including above-mentioned display panel. The display device has the advantages that the display effect is good, the durability is high, the display panel of the display device can have three states of single-side display, double-side display and double-side non-display, the practicability of the display device is improved, the applicable scene of the display device is enlarged, the improvement of the production efficiency of the display device is facilitated, and the production cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a display panel according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a display panel according to a second embodiment of the present invention.
In the figure:
1. a transparent electrochromic component; 11. a transparent electrochromic layer; 12. a first transparent substrate;
2. a transparent OLED assembly; 21. a transparent OLED layer; 22. a second transparent substrate;
3. and an optical adhesive layer.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example one
The present embodiment provides a display panel. Specifically, as shown in fig. 1, the display panel includes a transparent electrochromic module 1 and a transparent OLED module 2. The transparent electrochromic assemblies 1 are arranged at intervals along a first direction, the two groups of transparent electrochromic assemblies 1 are arranged oppositely and are perpendicular to the first direction, the transparent electrochromic assemblies 1 comprise transparent electrochromic layers 11 and first transparent substrates 12, and the two opposite sides of the transparent electrochromic layers 11 along the first direction are provided with the first transparent substrates 12; the transparent OLED assembly 2 is perpendicular to the first direction and connected between the two sets of transparent electrochromic assemblies 1, the transparent OLED assembly 2 comprises a transparent OLED layer 21 and a second transparent substrate 22, and the second transparent substrate 22 is arranged on at least one side of the transparent OLED layer 21 along the first direction.
The utility model provides a display panel, it includes transparent electrochromic subassembly 1 and transparent OLED subassembly 2, the both sides of transparent OLED subassembly 2 all are provided with transparent electrochromic subassembly 1, transparent OLED subassembly 2 is at the during operation, transparent electrochromic subassembly 1 can change its colour or transparent degree through plus electric field, thereby make display panel can have unilateral demonstration, two sides all show and two sides all do not all show three kinds of states such as, display panel's practicality has been improved, display panel's suitable scene has been enlarged, when transparent electrochromic subassembly 1 of one side is the transparent full perspective mode of complete black mode and opposite side, display panel's display effect has been guaranteed. And the both sides of transparent electrochromic subassembly 1 all are provided with first transparent substrate 12, at least one side of transparent OLED subassembly 2 is provided with second transparent substrate 22, make transparent electrochromic subassembly 1 and transparent OLED subassembly 2 all can utilize respective substrate to process alone, be connected qualified transparent electrochromic subassembly 1 and transparent OLED subassembly 2 again, compare in processing transparent electrochromic layer 11 on transparent OLED subassembly 2 or processing transparent OLED layer 21 on transparent electrochromic subassembly 1, this embodiment does benefit to the synchronous production processing who realizes transparent electrochromic subassembly 1 and transparent OLED subassembly 2, do benefit to and improve production efficiency, and the manufacturing cost is reduced, the overall structure intensity of display panel has also been guaranteed simultaneously, the durability has been guaranteed.
Preferably, the second transparent substrate 22 is disposed on both sides of the transparent OLED layer 21 along the first direction, and the second transparent substrate 22 is connected to the transparent electrochromic assembly 1 on the corresponding side. All set up second transparent substrate 22 in transparent OLED layer 21's relative both sides, further before transparent OLED subassembly 2 connects in two sets of transparent electrochromic subassemblies 1, protected transparent OLED layer 21, guaranteed transparent OLED subassembly 2's qualification rate, reduced the possibility that transparent OLED layer 21 damaged in the transportation, do benefit to reduction in production cost, also guaranteed display panel's overall structure intensity simultaneously, guaranteed the durability.
Specifically, the second transparent substrate 22 is made of glass or polyimide, and the material is transparent, which is beneficial to ensuring the optical transmittance of the display panel and ensuring the display effect.
Further, two layers of second transparent substrates 22 in the transparent OLED assembly 2 are made of the same material and have the same size, so that the production and the processing are convenient, the display panels can be ensured to have the same display effect on two sides, the display panels can be conveniently installed on the display device, the front side and the back side of the display panels are prevented from being distinguished, and the production efficiency of the display device is improved. It will be appreciated that the cross-sectional area of the second transparent substrate 22 is not less than the cross-sectional area of the transparent OLED layer 21. In addition, the structure and material of the transparent OLED layer 21 and the connection manner between the transparent OLED layer and the second transparent substrate 22 can be referred to the prior art, and are not described herein again.
In other embodiments, the two second transparent substrates 22 in the transparent OLED module 2 may be made of different materials, and are not limited herein.
In other embodiments, the display panel has a front surface and a back surface, and the front surface and the back surface are end surfaces of two opposite ends of the display panel along the first direction. The two layers of second transparent substrates 22 in the transparent OLED assembly 2 may also be set to have different thicknesses, the second transparent substrate 22 with a smaller thickness is disposed toward the front side of the display panel, and the second transparent substrate 22 with a thicker thickness is disposed toward the back side of the display panel, so that the display effect of the front side of the display panel is ensured, which is not limited herein.
Specifically, the first transparent substrate 12 is made of glass or polyimide, and the material is transparent, which is beneficial to ensuring the optical transmittance of the display panel and ensuring the display effect. In the present embodiment, the two first transparent substrates 12 in the transparent electrochromic device 1 are made of the same material. It is understood that the cross-sectional area of the first transparent substrate 12 is not smaller than the cross-sectional area of the transparent electrochromic layer 11. And the connection between the transparent electrochromic layer 11 and the first transparent substrate 12 can refer to the prior art, and is not described in detail herein.
Preferably, the two layers of the first transparent substrate 12 in the transparent electrochromic assembly 1 are different in thickness. Wherein, the thickness of the first transparent substrate 12 on one side of the transparent electrochromic layer 11, which is opposite to the transparent OLED assembly 2, is greater than the thickness of the first transparent substrate 12 on the other side of the transparent electrochromic layer 11, that is, the thickness of the first transparent substrate 12 on the outer side of the display panel is greater, thereby playing a role in protecting the transparent electrochromic layer 11 and the display device, improving the durability and the practicability of the display panel, and the thickness of the first transparent substrate 12 on one side of the transparent OLED assembly 2, which is located on the transparent electrochromic layer 11, can shorten the distance between the transparent electrochromic layer 11 and the transparent OLED layer 21, reducing the influence of the refraction effect on the display effect, ensuring the display effect of the display panel, and improving the practicability of the display panel. Specifically, the thickness of the first transparent substrate 12 on the side of the transparent electrochromic layer 11 opposite to the transparent OLED assembly 2 is 1mm to 1.8mm, and the thickness of the first transparent substrate 12 on the side of the transparent electrochromic layer 11 facing the transparent OLED assembly 2 is 1mm to 0.3mm.
In this embodiment, the thicknesses of the two layers of second transparent substrates 22 are both 1mm to 1.8mm, and the second transparent substrates are made of the same material as the first transparent substrate 11, so that the production and the processing are further facilitated, the improvement of the production efficiency is facilitated, and the production cost is reduced.
In other embodiments, the thicknesses of the two first transparent substrates 12 in the transparent electrochromic assemblies 1 may also be the same, and the thicknesses of the first transparent substrates 12 facing the outside of the display panel in the two sets of transparent electrochromic assemblies 1 may also be the same or different, which is not limited herein.
Further, the transparent electrochromic layer 11 includes a gel electrolyte layer and a transparent electrode layer, the transparent electrode layer is disposed between the gel electrolyte layer and the two first transparent substrates 12, the transparent electrode layer and the first transparent substrates 12 located on the same side of the gel electrolyte layer along the first direction form a substrate, and the refractive index of the gel electrolyte layer is the same as that of the substrate. Above-mentioned setting has further reduced the refraction effect to the influence of display effect, has guaranteed display panel's display effect, has improved display panel's practicality.
In the present embodiment, the transparent electrochromic device 1 has a transparent full-transmissive mode, a full-black mode, a semi-transmissive mode, and a total-reflective mode. Specifically, the gel electrolyte layer is formed of metal microparticles and an organic solution. Based on this, when the transparent electrode layer is electrified, the metal particles in the gel electrolyte layer can perform a chemical reaction, for example, the metal particles in the gel electrolyte layer can perform a reduction reaction, and then the metal particles are deposited on the transparent electrode layer, so that the transparent electrode layer is in a mirror reflection state, and thus, the transparent electrochromic component 1 is in a total reflection state; or the metal particles deposited on the transparent electrode layer are subjected to an oxidation reaction and are re-dissolved in the organic solution, so that the transparent electrode layer is in a transparent state, and at this time, the transparent electrochromic assembly 1 is in a full-transmission state.Similarly, the transparent electrochromic device 1 can realize the semi-transparent mode and the full black mode by using the same principle. The materials of the gel electrolyte layer and the transparent electrode layer and the reaction of the transparent electrochromic layer 11 after the transparent electrode layer is powered on are all the prior art, for example, the components of the transparent electrode layer include Indium Tin Oxide (ITO), and the components of the gel electrolyte layer include silver nitrate, copper chloride, tetrabutylammonium bromide (TBABr) and dimethyl sulfone (DMSO, C) 2 H 6 OS), which are not described in detail herein. The transparent electrochromic layer 11 can realize the principle of switching between the transparent full-transmission mode, the full-black mode, the semi-transparent mode and the total reflection mode through different potentials when being electrified, which is described in more detail in the prior art and is not further described herein.
Specifically, the display panel further comprises an optical adhesive layer 3, and the optical adhesive layer 3 is coated between the transparent OLED assembly 2 and the at least one group of transparent electrochromic assemblies 1. At least one group of transparent electrochromic assemblies 1 are bonded with the transparent OLED assemblies 2 through the optical adhesive layers 3, and production and assembly of the display panel are facilitated.
Specifically, the optical adhesive layers 3 are coated between the transparent OLED assemblies 2 and the two groups of transparent electrochromic assemblies 1, so that the transparent OLED assemblies 2 and the transparent electrochromic assemblies 1 are prevented from being connected by other processes, the production and the processing are convenient, the production efficiency is improved, and the production cost is reduced.
In this embodiment, the material of the optical adhesive layer 3 is OCA optical adhesive. In other embodiments, the optical adhesive layer 3 may also be made of other materials, which are not limited herein.
In other embodiments, the transparent OLED assembly 2 and the two sets of transparent electrochromic assemblies 1 can be connected by bonding, and are not limited herein.
The embodiment also provides a display device. In particular, the display device comprises a display panel as described in the foregoing. The display device has the advantages that the display effect is good, the durability is high, the display panel can have three states of single-side display, double-side display and double-side non-display, the practicability of the display device is improved, the application scenes of the display device are enlarged, the production efficiency of the display device is improved, and the production cost is reduced.
In the present embodiment, the display device is applied to a vehicle, and may be a vehicle porthole. The display device comprises a display panel and a window frame, wherein the window frame is wrapped on the edge of the display panel along the circumferential direction of the display panel, and the window frame is installed on the vehicle shell. Two groups of transparent electrochromic assemblies 1 of the display panel are respectively arranged at two sides of the transparent OLED assembly 2 facing the inside and the outside of the automobile.
In particular, the transparent OLED assembly 2 may be used to display emblems or other patterns. If a user wants to display the display content of the transparent OLED component 2 to the outside and has a quiet rest in the automobile, the transparent electrochromic component 1 positioned on one side of the transparent OLED component 2 facing the inside of the automobile is adjusted to be in a full black mode, and the outside of the automobile can only observe the display content of the transparent OLED component 2 but cannot see a scene in the automobile; if a user wants to observe the outside of the vehicle through the porthole, the transparent electrochromic assemblies 1 on the two sides of the transparent OLED assembly 2 are adjusted to be in a transparent full-transmission mode; if a user wants to finish the makeup in the automobile, the transparent electrochromic component 1 positioned on one side of the transparent OLED component 2 facing the interior of the automobile is adjusted to be in a total reflection mode; if a user wants to enjoy audio-visual entertainment in the automobile and does not want to be seen outside the automobile, the transparent electrochromic assembly 1 positioned on one side of the transparent OLED assembly 2 facing the outside of the automobile is adjusted to be in a full black mode or a full reflection mode, and the outside of the automobile cannot see scenes in the automobile and display contents of the transparent OLED assembly 2; the transparent electrochromic assembly 1 can also be adjusted to a semi-transparent mode according to the requirements of a user.
In other embodiments, the display device may be applied to other fields, and the transparent electrochromic device 1 may also adjust the color or the light-transmitting state according to the user's requirement, so as to be suitable for more application scenarios, which is not limited herein.
Example two
As shown in fig. 2, the present embodiment provides a display panel and a display device, and the structure of the display panel provided in the present embodiment is substantially the same as that of the first embodiment, and only a part of the structure is different, and the structure that is the same as that of the first embodiment is not repeated in the present embodiment.
Specifically, the transparent electrochromic assembly 1 includes a transparent electrochromic layer 11 and a first transparent substrate 12, where the first transparent substrate 12 is located on a side of the transparent electrochromic layer 11 opposite to the transparent OLED assembly 2. In this embodiment, directly process transparent electrochromic layer 11 on second transparent substrate 22, reduce the number of piles of first transparent substrate 12, reduce the thickness of display panel, reduce display device's weight, improved the practicality, also reduced the interval between transparent electrochromic layer 11 and the transparent OLED layer 21 in addition, further reduced the influence of refraction effect to display effect, guaranteed the practicality.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A display panel, comprising:
the device comprises transparent electrochromic assemblies (1), wherein two groups of transparent electrochromic assemblies (1) are arranged at intervals along a first direction, the two groups of transparent electrochromic assemblies (1) are arranged just opposite to each other and are perpendicular to the first direction, each transparent electrochromic assembly (1) comprises a transparent electrochromic layer (11) and a first transparent substrate (12), and the first transparent substrates (12) are arranged on two opposite sides of the transparent electrochromic layer (11) along the first direction;
transparent OLED subassembly (2), the perpendicular to first direction sets up and connects in two sets of between transparent electrochromic subassembly (1), transparent OLED subassembly (2) include transparent OLED layer (21) and second transparent substrate (22), transparent OLED layer (21) are followed at least one side of first direction is provided with second transparent substrate (22).
2. The display panel according to claim 1, wherein the transparent OLED layer (21) is provided with the second transparent substrate (22) on both sides in the first direction, the second transparent substrate (22) being connected with the transparent electrochromic assembly (1) on the corresponding side.
3. The display panel according to claim 1, wherein the transparent electrochromic layer (11) comprises a gel electrolyte layer and a transparent electrode layer, the transparent electrode layer is disposed between the gel electrolyte layer and the two first transparent substrates (12), the transparent electrode layer and the first transparent substrate (12) on the same side of the gel electrolyte layer along the first direction form a substrate, and the refractive index of the gel electrolyte layer is the same as that of the substrate.
4. The display panel according to claim 1, characterized in that the thickness of the first transparent substrate (12) of the side of the transparent electrochromic assembly (1) facing the transparent OLED assembly (2) is smaller than the thickness of the first transparent substrate (12) of the side of the transparent electrochromic assembly (1) facing away from the transparent OLED assembly (2).
5. The display panel according to claim 1, wherein the first transparent substrate (12) of the transparent electrochromic assembly (1) on the side facing the transparent OLED assembly (2) has a thickness of 1mm to 0.3mm; and/or the presence of a gas in the atmosphere,
the thickness of the first transparent substrate (12) on the side, opposite to the transparent OLED component (2), of the transparent electrochromic component (1) is 1-1.8 mm.
6. The display panel according to claim 1, wherein the first transparent substrate (12) is made of glass or polyimide;
and/or the second transparent substrate (22) is made of glass or polyimide.
7. The display panel according to any of claims 1 to 6, wherein the display panel further comprises an optical glue layer (3), and the optical glue layer (3) is coated between the transparent OLED-modules (2) and at least one set of the transparent electrochromic modules (1).
8. The display panel according to claim 7, wherein the optical glue layer (3) is coated between the transparent OLED modules (2) and both sets of transparent electrochromic modules (1).
9. The display panel according to claim 7, wherein the optical adhesive layer (3) is OCA optical adhesive.
10. A display device characterized by comprising the display panel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221920998.3U CN217788399U (en) | 2022-07-25 | 2022-07-25 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221920998.3U CN217788399U (en) | 2022-07-25 | 2022-07-25 | Display panel and display device |
Publications (1)
| Publication Number | Publication Date |
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| CN217788399U true CN217788399U (en) | 2022-11-11 |
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| CN202221920998.3U Active CN217788399U (en) | 2022-07-25 | 2022-07-25 | Display panel and display device |
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| CN (1) | CN217788399U (en) |
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