CN110824598A - Reflecting film, manufacturing method thereof, display panel and device - Google Patents
Reflecting film, manufacturing method thereof, display panel and device Download PDFInfo
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- CN110824598A CN110824598A CN201911146538.2A CN201911146538A CN110824598A CN 110824598 A CN110824598 A CN 110824598A CN 201911146538 A CN201911146538 A CN 201911146538A CN 110824598 A CN110824598 A CN 110824598A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0816—Multilayer mirrors, i.e. having two or more reflecting layers
- G02B5/085—Multilayer mirrors, i.e. having two or more reflecting layers at least one of the reflecting layers comprising metal
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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Abstract
The invention provides a reflective film, a manufacturing method thereof, a display panel and a device, and belongs to the technical field of display. The invention provides a reflecting film which is used for enabling a display panel to have a mirror surface function and can be divided into a reflecting area and a light transmitting area. The position of the reflecting film corresponding to the reflecting area comprises a reflecting layer and a reflection increasing layer. The reflective layer is used for reflecting external light. The reflection increasing layer and the reflection layer are arranged in a laminated mode and used for increasing the reflectivity of the reflection layer. According to the reflecting film provided by the invention, the light can be transmitted in the light transmitting area, the reflecting layer and the reflection increasing layer are arranged in the reflecting area, the reflecting layer can reflect external light, and the reflection increasing layer can enhance the reflectivity of the external light, so that if the reflecting film is applied to a display panel, the display panel can have a mirror surface function while having a function of displaying images, and the reflecting film has high reflectivity, so that the mirror surface imaging effect of the display panel can be improved.
Description
Technical Field
The invention belongs to the technical field of display, and particularly relates to a reflecting film, a manufacturing method thereof, a display panel and a device.
Background
Currently, the mirror display technology is applied to various mirror devices, for example, to a cosmetic mirror, a vehicle-mounted rearview mirror, and other mirror devices, so that the cosmetic mirror and the vehicle-mounted rearview mirror can display images while realizing the mirror function. Conventionally, as shown in fig. 1, in order to provide a display device with both image display and mirror imaging functions, a transflective film 002 is generally added on a display panel 001 to allow light emitted from a display region of the display panel 001 to transmit and display an image, and the transflective film 002 reflects external light to realize a mirror function when external light is irradiated on the display device.
However, the transflective film 002 reduces the light transmittance of the display region of the display panel 001, so that the brightness of the display panel 001 is reduced, which affects the display effect. Further, the effect of the transflective film 002 to reflect light is limited, and a high light reflectance cannot be achieved, which affects the imaging effect of the mirror surface.
Disclosure of Invention
The present invention is directed to solve at least one of the problems of the prior art, and provides a reflective film, which has a mirror function while providing a display panel with an image display function, and which has a high reflectivity and can improve the mirror imaging effect of the display panel.
The technical scheme adopted for solving the technical problem of the invention is a reflecting film which is used for enabling a display panel to have a mirror surface function and can be divided into a reflecting area and a light transmitting area; the position of the reflecting film corresponding to the reflecting area comprises:
a reflective layer for reflecting external light;
and the reflection increasing layer is laminated with the reflection layer and is used for increasing the reflectivity of the reflection film.
According to the reflective film provided by the invention, the light can be transmitted in the light transmitting area, the reflective layer and the reflection increasing layer are arranged in the reflective area, the reflective layer can reflect external light, and the reflection increasing layer can enhance the reflectivity of the external light, so that if the reflective film is applied to a display panel, the display panel can have the function of displaying images and simultaneously has the mirror surface function, and the reflective film has high reflectivity, so that the mirror surface imaging effect of the display panel can be improved.
Preferably, in the above reflective film provided by the present invention, the reflective layer includes a metal reflective layer, and a material of the metal reflective layer includes any one or more of aluminum, silver, molybdenum, and titanium.
Preferably, in the reflective film provided by the present invention, the reflection increasing layer includes at least three reflective films, and the total number of the reflective films is an odd number; wherein the content of the first and second substances,
in any adjacent three layers of the reflecting films, the refractive index of the reflecting film positioned in the middle is greater than that of the reflecting films positioned at two sides;
alternatively, the first and second electrodes may be,
the refractive index of the reflecting film in the middle is smaller than that of the reflecting films on two sides.
Preferably, in the reflective film according to the present invention, a film thickness d of the reflective thin film satisfies:
wherein λ is a wavelength of external light irradiated to the reflective film, niIs the refractive index of the reflective film.
Preferably, in the reflective film according to the present invention, the reflection increasing layer includes nine reflective films.
Preferably, in the above reflective film provided by the present invention, the reflective film includes a titanium dioxide reflective film and a silicon dioxide reflective film;
the titanium dioxide reflecting film and the silicon dioxide reflecting film are stacked in a crossed mode to form the reflection increasing layer.
Preferably, in the reflective film provided by the present invention, the reflective thin film includes an amorphous silicon reflective thin film and a silicon dioxide reflective thin film;
the amorphous silicon reflecting film and the silicon dioxide reflecting film are stacked in a crossed mode to form the reflection increasing layer.
Correspondingly, the invention also provides a manufacturing method of the reflecting film, the reflecting film can be divided into a reflecting area and a light-transmitting area, and the manufacturing method of the reflecting film comprises the following steps:
manufacturing a reflecting layer, and manufacturing a pattern of the reflecting layer according to the position of the reflecting area;
and manufacturing a reflection increasing layer on the reflecting layer, and manufacturing the pattern of the reflecting layer according to the position of the reflecting area.
Correspondingly, the invention also provides a display panel, which comprises a plurality of pixel units, wherein each pixel unit is divided into a display area and a non-display area, and the display panel comprises any one of the reflecting films;
the reflecting film can be divided into a reflecting area and a light transmitting area, and the position of the reflecting film corresponding to the reflecting area comprises a reflecting layer and a reflection increasing layer which are arranged in a laminated mode; wherein the content of the first and second substances,
the reflection layer of the reflection film is connected with the display panel and arranged on the display panel, the reflection area corresponds to the non-display area, and the light transmission area corresponds to the display area.
Correspondingly, the invention further provides a display device which is characterized by comprising the display panel.
Drawings
FIG. 1 is a schematic diagram of a mirror display panel in the prior art;
FIG. 2 is a schematic structural diagram of an embodiment of a display panel to which the reflective film of the present invention is applied;
FIG. 3 is a schematic structural diagram of an embodiment of a reflective film provided in the present invention;
FIG. 4 is a flow chart of a method for fabricating a reflective film according to the present invention;
fig. 5 is a schematic structural diagram of a pixel unit of a display panel according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The shapes and sizes of the various elements in the drawings are not to scale and are merely intended to facilitate an understanding of the contents of the embodiments of the invention.
As shown in fig. 2, the present embodiment provides a reflective film 1 for making a display panel 2 have a mirror function. The reflective film 1 may be divided into a reflective area a2 and a light transmissive area a1, the light transmissive area a1 of the reflective film 1 may transmit light, and the reflective area a2 of the reflective film 1 may reflect external light irradiated to the reflective area a 2.
Specifically, the position of the reflection film 1 corresponding to the reflection area a2 includes a reflection layer 11 and a reflection-increasing layer 12, and the reflection layer 11 and the reflection-increasing layer 12 are stacked. The reflecting layer 11 is used for reflecting external light, the reflection increasing layer 12 is used for enhancing the reflectivity of the external light, and the reflecting layer 11 is matched with the reflection increasing layer 12, so that the external light irradiating the reflecting area 12 of the reflecting film 1 can be reflected out by the reflecting film 1 to a greater extent.
In the reflective film 1 provided in this embodiment, since the light-transmitting area a1 of the reflective film 1 can transmit light, the reflective area a2 of the reflective film 1 is provided with the reflective layer 11 and the reflection-increasing layer 12, the reflective layer 11 can reflect external light, and the reflection-increasing layer 12 can enhance the reflectivity of external light, if the reflective film 1 is applied to a display panel, the display panel 2 has a plurality of pixel units, each pixel unit can be divided into a display area and a non-display area, the reflective film 1 can be disposed on the display panel 2, the light-transmitting area a1 of the reflective film 1 corresponds to the display area of the pixel unit in the display panel 2, and the reflective area a2 of the reflective film 1 corresponds to the non-display area of the pixel unit of the display panel 2. The light-transmitting area a1 of the reflective film 1 transmits light (light indicated by white-bottom arrows in fig. 2) emitted from the display area of the pixel unit, the reflective area a2 of the reflective film 1 reflects external light (light indicated by black thick solid arrows in fig. 2) irradiated to the non-display area of the pixel unit, so that the display area of the pixel unit of the display panel 2 can display images, the non-display area of the pixel unit of the display panel 2 has a mirror function, and the reflective film 1 provided in this embodiment has a high reflectivity under the cooperation of the reflective layer 11 and the reflection-increasing layer 12, thereby improving the mirror imaging effect of the non-display area of the pixel unit of the display panel 2.
Optionally, in the reflective film 1 provided in this embodiment, the reflective layer 11 is disposed in the reflective area a2 of the reflective film 1, the reflective layer 11 may be a metal reflective layer, and the material of the metal reflective layer may include a plurality of metals, for example, any one or more materials of aluminum (Al), silver (Ag), molybdenum (Mo), and titanium (Ti). The metal material may be designed as needed as long as the selected metal material has high reflectivity, and is not limited herein.
Alternatively, as shown in fig. 2, in the above-mentioned reflection film 1 provided in the present embodiment, in the reflection region a2 of the reflection film 1, and further, the reflection-increasing layer 12 is provided on the reflection layer 11, and the reflection-increasing layer 12 is formed by stacking a plurality of transparent reflection films. According to the principle of multiple light interference, when the refractive index of the medium on both sides of a film is larger than that of the film, or when the refractive index of the medium on both sides of a film is smaller than that of the film, if the reflected light beams of the film have a phase difference equal to pi (i.e. the phase difference between two successive light beams is equal to pi)Film system), the incident lights with the wavelengths corresponding to the two beams can obtain the strongest reflected lights on the film layer. Therefore, in the reflective film 1 provided in this embodiment, the reflection-increasing layer 12 may include at least three reflective films, and the total number of the reflective films in the reflection-increasing layer 12 is odd. Among the three adjacent reflection films of the reflection increasing layer 12, the first reflection film D is the one of the three adjacent reflection films1A second reflective film D2A third reflective film D3A second reflective film D2Is located on the first reflective film D1And a third reflective film D3In the meantime. Second reflective film D2Refractive index n of2Is larger than the second reflective film D2First reflective films D on both sides1Refractive index n of1And a third reflective film D3Refractive index n of3I.e. n1＜n2＞n3Or, a second reflective film D2Refractive index n of2Is smaller than at the second reflectionFilm D2First reflective films D on both sides1Refractive index n of1And a third reflective film D3Refractive index n of3I.e. n1＞n2＜n3. Therefore, after external light enters the reflection increasing layer 12, the refractive index of the reflection film in the middle of any three layers of reflection films through which the external light passes is larger (or smaller) than the refractive index of the reflection films on the two sides.
Further, according to the principle of multiple light interference, in any three layers of the reflection films through which the external light passes after the external light is incident on the reflection increasing layer 12, the refractive index of the reflection film in the middle is larger (or smaller) than the refractive index of the reflection films on both sides, and the optical thickness of each layer of the reflection film is set to be pi so that the phase difference between two beams of light sequentially incident on the reflection increasing layer 12 is equal to piThat is, in the above-described reflection film 1 provided in the present embodiment, the film thickness d of each reflection film satisfies:
wherein λ is a wavelength of external light irradiated to the reflective film, and niIs the refractive index of the reflective film.
In summary, the reflection increasing layer 12 in the reflective film 1 provided in this embodiment can ensure that after the external light irradiates the reflection increasing layer 12, the external light can be reflected to the greatest extent on the reflective film located in the middle of the three reflective films through any three reflective films in the reflection increasing layer 12, and accordingly, the greater the number of reflective films provided in the reflection increasing layer 12, the higher the degree of reflection of the external light irradiating the reflection increasing layer 12. After the reflection of a plurality of layers of reflective films, most of the external light incident to the reflection increasing layer 12 is reflected by the reflection increasing layer 12, the rest of the external light penetrates through the reflection increasing layer 12 to irradiate the reflection layer 11, and then is reflected by the reflection layer 11, and the external light irradiated to the reflection area a2 of the reflective film 1 provided by the embodiment is almost reflected by the reflective film 1 by matching the reflection increasing layer 12 with the reflection layer 11, so that the mirror imaging effect of the display panel 2 can be improved if the reflective film 1 provided by the embodiment is applied to the display panel 2.
Alternatively, as shown in fig. 3, for an embodiment of the reflective film 1 provided in this embodiment, the reflection-increasing layer 12 includes nine reflective films, and the nine reflective films are stacked and disposed on the reflective layer 11. After the external light is irradiated to the reflection-increasing layer 12, any three of the nine reflection films can be maximally reflected on the reflection film located in the middle, and after the external light is reflected in the reflection-increasing layer 12 for a plurality of times, the rest of the external light is irradiated to the reflection layer 11 and is reflected again by the reflection layer 11.
Alternatively, as shown in fig. 3, in the reflective film 1 provided in the present embodiment, the reflection-increasing layer 12 may be formed by alternately stacking a high-reflectance reflective film (H) and a low-reflectance reflective film (L). That is, the reflection film in the reflection increasing layer 12 is made according to HLHL … HLH ═ HL)PhWhere Ph is the total number of reflective films in the reflection-increasing layer 12, Ph 3,5,7,9 … ….
Alternatively, as shown in fig. 3, in the reflective film 1 provided in the present embodiment, the high-reflectance reflective film (H) and the low-reflectance reflective film (L) in the reflection increasing layer 12 may include a plurality of materials, for example, titanium dioxide (TiO) may be used as the high-reflectance reflective film2) The material, the reflecting film with low reflectivity can adopt silicon dioxide (SiO)2) The material, i.e., the reflection-increasing layer 12, is formed by alternately stacking a titanium oxide reflective film and a silicon dioxide reflective film. For another example, the reflective film with high reflectivity may be made of amorphous silicon (a-Si) material, and the reflective film with low reflectivity may be made of silicon dioxide (SiO)2) The material, i.e., the reflection-increasing layer 12, is formed by alternately stacking amorphous silicon reflective films and silicon dioxide reflective films. Of course, the reflective film in the reflection increasing layer 12 may also be made of other materials, and may be specifically designed according to needs, and is not limited herein.
Alternatively, in the reflective film 1 provided in this embodiment, the light-transmitting area a1 of the reflective film 1 may be hollowed, or may be filled with a transparent material, for example, Polyimide (PI) may be disposed in the light-transmitting area a1 of the reflective film 1, or other materials may be used as long as the used material can allow light to be transmitted through the light-transmitting area a1, which is not limited herein.
Accordingly, as shown in fig. 4, the present embodiment further provides a method for manufacturing a reflective film 1, the reflective film 1 can be divided into a reflective area a2 and a transparent area a1, and the manufacturing of the reflective film 1 includes the following steps:
s1, manufacturing the reflecting layer 11, and manufacturing the pattern of the reflecting layer 11 according to the position of the reflecting area A2 of the reflecting film 1.
Specifically, the reflective layer 11 may be made of Al or Ag based material, MO or Ti, or a combination thereof, and may be selected according to the requirement, which is not limited herein. After the reflective layer 11 is formed by forming a flat plane of a metal material, the reflective layer 11 is patterned according to the position of the reflective area a 2.
S2, forming a reflection-increasing layer 12 on the reflective layer 11, and forming a pattern of the reflective layer 11 according to the position of the reflective region a2 of the reflective film 1.
In particular, the reflection-increasing layer 12 may be made of a stack of a plurality of transparent materials, for example, a high-reflectivity transparent material and a low-reflectivity transparent material may be alternately stacked. After the reflection-increasing layer 12 is formed by stacking corresponding materials on the reflective layer 11, the reflection-increasing layer 12 is patterned according to the position of the reflective region a 2.
Accordingly, as shown in fig. 5, the present invention also provides a display panel having a plurality of pixel units 02, each pixel unit 02 being dividable into a display region B1 and a non-display region B2, the display panel including the above-described reflective film 1 (not shown in fig. 5). The light transmission region a1 of the reflective film 1 corresponds to the display region B1 of the pixel unit 02 of the display panel, and the reflective region a2 of the reflective film 1 corresponds to the non-display region B2 of the pixel unit 02 of the display panel. The light transmitting region a1 of the reflective film 1 transmits light emitted from the display region B1 of the pixel unit 02, and the reflective region a2 of the reflective film 1 reflects external light irradiated to the non-display region B2 of the pixel unit 02.
Further, referring to fig. 2, the reflective film 1 is disposed over the display panel 2, and the reflective layer 11 of the reflective film 1 is in contact with the display panel 2. The display panel 2 may include a substrate 21, and a buffer layer (buffer)22 disposed on the substrate 21, and a driving device disposed on the buffer, and a light emitting device 28 disposed on the driving device, and further have a Thin Film Encapsulation (TFE) 29 on the light emitting device 28.
Further, referring to fig. 2, the light emitting device 28 may include an anode 281 disposed over the driving device, a light emitting layer 282 disposed over the anode 281, and a cathode 283 disposed over the light emitting layer 282. A Pixel Defining Layer (PDL)27 is also provided between the plurality of light emitting devices 28. The light emitting region of the light emitting layer 282 of the light emitting device 28 corresponds to the display region B1 of the display panel 2, i.e., the light transmitting region a1 of the reflective film 1. The material of the anode 281 may be various, and for example, may be a combination of one or more materials such as Indium Tin Oxide (ITO), Ag, etc. The material of the cathode 283 may be various, and for example, may be a combination of one or more materials such as magnesium (Mg), Ag, etc.
Further, referring to fig. 2, the TFE29 may include three sub-film encapsulation layers, a first sub-TFE 291 disposed over the light emitting device 28, a second sub-TFE 292 disposed over the first sub-TFE 291, and a third sub-TFE 293 disposed over the second sub-TFE 292, respectively. The first sub-TFE 291 and the third sub-TFE 293 may be inorganic films, and the material thereof may be silicon oxynitride (SiON) or silicon nitride (SiNx), or of course, may be other materials, which is not limited herein. The second sub-layer 292 may be an organic film layer, and the material thereof may include a polymer (polymer), such as polyacrylate, etc., and of course, other materials may be also possible, which are not limited herein.
Further, referring to fig. 2, the driving device is provided with a polysilicon layer (P-Si)231 over the Buffer 22, a Gate insulating layer (GI)24 over the P-Si 231, a Gate electrode layer (Gate)232 over the GI 24, an interlayer Insulating Layer (ILD)25 over the Gate 232, a source (source)233 and a drain (drain)234 on the interlayer insulating layer, the source 233 is connected to the P-Si 231 through a via hole provided in the ILD 25, the GI 24, the drain 234 is connected to the P-Si 231 through a via hole provided in the ILD 25, the GI 24, and a Planarization Layer (PLN)26 over the source 233 and the drain 234. Anode 281 of light emitting device 28 is connected to drain 234 through a via hole of PLN 26, thereby enabling the driving device to drive light emitting device 28 to emit light. Of course, the driving device may have other structures, which are only illustrated herein and not limited to the structure of the driving device.
Accordingly, the present embodiment further provides a display device, which includes the display panel described above, and further includes a backplane disposed below the display panel, where the backplane may include various types of driving circuits, such as a low temperature polysilicon-thin film transistor circuit type (LTPS-TFT) and an indium gallium zinc oxide-thin film transistor circuit type (IGZO-TFT). The display device may be: any product or component with a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like. Other essential components of the display device are understood by those skilled in the art, and are not described herein or should not be construed as limiting the invention.
As described above, in the reflective film 1 according to the present invention, since the light-transmitting region a1 of the reflective film 1 can transmit light, the reflective layer 11 and the reflection-increasing layer 12 are disposed in the reflective region a2 of the reflective film 1, the reflective layer 11 can reflect external light, and the reflection-increasing layer 12 can increase the reflectivity of external light, if the reflective film 1 is applied to the display panel 2, the display panel 2 can have a function of displaying an image and a mirror function, and the reflective film has a high reflectivity, so that the mirror imaging effect of the display panel 2 can be improved.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A reflective film for making a display panel have a mirror function, characterized in that it can be divided into a reflective area and a transparent area; the position of the reflecting film corresponding to the reflecting area comprises:
a reflective layer for reflecting external light;
and the reflection increasing layer is laminated with the reflection layer and is used for increasing the reflectivity of the reflection film.
2. The film of claim 1, wherein the reflective layer comprises a metallic reflective layer, the material of the metallic reflective layer comprising any one or more of aluminum, silver, molybdenum, and titanium.
3. The film of claim 1, wherein the reflection enhancing layer comprises at least three reflective films, and the total number of reflective films is an odd number; wherein the content of the first and second substances,
in any adjacent three layers of the reflecting films, the refractive index of the reflecting film positioned in the middle is greater than that of the reflecting films positioned at two sides;
alternatively, the first and second electrodes may be,
the refractive index of the reflecting film in the middle is smaller than that of the reflecting films on two sides.
4. The reflection film according to claim 3, wherein the film thickness d of the reflection thin film satisfies:
wherein λ is a wavelength of external light irradiated to the reflective film, niIs the refractive index of the reflective film.
5. The film of claim 3, wherein the reflection enhancing layer comprises nine layers of the reflective film.
6. The reflective film of claim 3, wherein the reflective film comprises a titanium dioxide reflective film and a silicon dioxide reflective film;
the titanium dioxide reflecting film and the silicon dioxide reflecting film are stacked in a crossed mode to form the reflection increasing layer.
7. The reflective film according to claim 3, wherein the reflective thin film comprises an amorphous silicon reflective thin film and a silicon dioxide reflective thin film;
the amorphous silicon reflecting film and the silicon dioxide reflecting film are stacked in a crossed mode to form the reflection increasing layer.
8. A method for manufacturing a reflective film, wherein the reflective film is divided into a reflective region and a transmissive region, the method comprising:
manufacturing a reflecting layer, and manufacturing a pattern of the reflecting layer according to the position of the reflecting area;
and manufacturing a reflection increasing layer on the reflecting layer, and manufacturing the pattern of the reflecting layer according to the position of the reflecting area.
9. A display panel comprising a plurality of pixel units each divided into a display region and a non-display region, comprising the reflective film according to any one of claims 1 to 7;
the reflecting film can be divided into a reflecting area and a light transmitting area, and the position of the reflecting film corresponding to the reflecting area comprises a reflecting layer and a reflection increasing layer which are arranged in a laminated mode; wherein the content of the first and second substances,
the reflection layer of the reflection film is connected with the display panel and arranged on the display panel, the reflection area corresponds to the non-display area, and the light transmission area corresponds to the display area.
10. A display device characterized by comprising the display panel according to claim 9.
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| GB2601360A (en) * | 2020-11-27 | 2022-06-01 | Snippit Mirrors Ltd | Smart mirror apparatus |
| CN113192942A (en) * | 2021-04-21 | 2021-07-30 | Tcl华星光电技术有限公司 | Display panel |
| CN113192942B (en) * | 2021-04-21 | 2023-10-17 | Tcl华星光电技术有限公司 | display panel |
| CN113820898A (en) * | 2021-09-27 | 2021-12-21 | 苏州清越光电科技股份有限公司 | Electrochromic panel and preparation method thereof |
| CN113820898B (en) * | 2021-09-27 | 2024-02-02 | 苏州清越光电科技股份有限公司 | Electrochromic panel and preparation method thereof |
| CN114335394A (en) * | 2022-01-04 | 2022-04-12 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN114335393A (en) * | 2022-01-04 | 2022-04-12 | 京东方科技集团股份有限公司 | Display panel and electronic device |
| CN114335394B (en) * | 2022-01-04 | 2023-11-07 | 京东方科技集团股份有限公司 | Display substrate and display device |
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