CN109817690B - OLED display substrate, preparation method of OLED display substrate and display device - Google Patents
OLED display substrate, preparation method of OLED display substrate and display device Download PDFInfo
- Publication number
- CN109817690B CN109817690B CN201910129702.2A CN201910129702A CN109817690B CN 109817690 B CN109817690 B CN 109817690B CN 201910129702 A CN201910129702 A CN 201910129702A CN 109817690 B CN109817690 B CN 109817690B
- Authority
- CN
- China
- Prior art keywords
- light
- oled
- substrate
- selection pattern
- layer
- 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 invention provides an OLED display substrate, a preparation method of the OLED display substrate and a display device, belongs to the technical field of display, and can solve the problems that a transparent OLED display substrate in the prior art is greatly influenced by external environment light and is poor in display effect. The OLED display substrate provided by the invention is provided with a display surface and a non-display surface opposite to the display surface; the OLED display substrate includes: a substrate; a plurality of OLED devices disposed on the substrate; the OLED device includes: a transparent first electrode, a light emitting layer, a transparent second electrode; the light selection patterns correspond to the OLED devices one by one and are arranged on one side, close to the non-display surface, of the OLED devices; each light selection pattern allows passage of light in the same wavelength band as the light emitted by its corresponding OLED device.
Description
Technical Field
The invention belongs to the technical field of display, and particularly relates to an OLED display substrate, a preparation method of the OLED display substrate and a display device.
Background
In the prior art, the transparent OLED display device emitting light from a single side needs the OLED display substrate to be a transparent substrate, so as to ensure that the whole OLED display device has high light transmittance. However, the inventors have found that when the transparent OLED display device performs normal display, since the OLED display substrate and the OLED device have high light transmittance, ambient light from the back (non-display surface) side of the transparent OLED display device easily passes through the display substrate, and the ambient light enters human eyes together with light emitted from the OLED display device, which may affect the normal display effect of the OLED display device.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art and provides an OLED display substrate which reduces the influence of external environment light on the display effect and has a good display effect.
The technical scheme adopted for solving the technical problem is that the OLED display substrate is provided with a display surface and a non-display surface opposite to the display surface; the OLED display substrate includes:
a substrate;
a plurality of OLED devices disposed on the substrate; the OLED device includes: a transparent first electrode, a light emitting layer, a transparent second electrode;
the light selection patterns correspond to the OLED devices one by one and are arranged on one side, close to the non-display surface, of the OLED devices;
each light selection pattern allows passage of light in the same wavelength band as the light emitted by its corresponding OLED device.
Preferably, the OLED display substrate further includes: the pixel limiting layer is arranged between the layer where the first electrode is located and the layer where the second electrode is located, the pixel limiting layer comprises a plurality of accommodating parts, each accommodating part exposes the first electrode of one OLED device, and the light emitting layer of each OLED device is arranged in the accommodating part;
the orthographic projection of the light selection pattern on the substrate covers the orthographic projection of the corresponding accommodating part on the substrate.
Further preferably, any side of the opening of the accommodating portion close to the light selection pattern side and the side of the corresponding light selection pattern form a coplanar surface, and an included angle with the plane of the light selection pattern is less than 30 °.
Preferably, the light selection pattern comprises a color filter.
Preferably, the OLED display substrate further includes: the semi-transparent semi-reflecting structure is arranged on one side, away from the OLED device, of the light selection pattern;
the reflectivity of the semi-transparent semi-reflecting structure to the light rays entering from the side close to the light selection pattern is larger than the transmissivity to the light rays entering from the side close to the light selection pattern;
at least part of the light rays incident into the transflective structure from the side facing away from the light selection pattern can pass through the transflective structure.
Further preferably, the transflective structure includes: a nanostructure layer and a flat reflective layer sequentially disposed along a direction proximate to the light selective pattern.
The technical scheme adopted for solving the technical problem is a preparation method of an OLED display substrate, wherein the OLED display substrate is provided with a display surface and a non-display surface opposite to the display surface; the preparation method comprises the following steps:
a step of forming a plurality of light selecting patterns and a plurality of OLED devices on a substrate;
wherein the OLED device comprises: a transparent first electrode, a light emitting layer, a transparent second electrode;
the light selection patterns are arranged on the non-display surface side of the OLED device and correspond to the OLED device one by one; each light selection pattern allows passage of light in the same wavelength band as the light emitted by its corresponding OLED device.
Preferably, the preparation method further comprises:
a step of forming a semi-transparent and semi-reflective structure on one side of the light selection pattern, which is far away from the OLED device;
the reflectivity of the semi-transparent semi-reflecting structure to the light rays entering from the side close to the light selection pattern is larger than the transmissivity to the light rays entering from the side close to the light selection pattern;
at least part of the light rays incident into the transflective structure from the side facing away from the light selection pattern can pass through the transflective structure.
Preferably, the transflective structure comprises a flat reflective layer and a nanostructure layer sequentially arranged along the light selective pattern;
the step of forming the flat reflective layer includes: forming a flat reflecting layer on the substrate through a sputtering process or an evaporation process;
the step of forming the nanostructure layer comprises: forming a nanomaterial layer on the substrate by an inkjet printing or coating process; and drying the nano material layer to form a nano structure layer.
The technical scheme adopted for solving the technical problem of the invention is a display device which comprises any one of the OLED display substrates.
Drawings
FIG. 1 is a schematic structural diagram of an OLED display substrate according to an embodiment of the present invention;
wherein the reference numerals are: 1. a substrate; 2. an OLED device; 21. a first electrode 22, a light-emitting layer; 23. a second electrode; 3. a light selection pattern; 4. a pixel defining layer; 5. a semi-transparent semi-reflective structure; 6. a planarization layer; 71. an active layer; 72. a gate electrode; 73. a drain electrode; 74. and a gate insulating layer.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention provides an OLED display substrate, in particular to a transparent OLED display substrate capable of emitting light from a single side, which comprises a substrate 1, and OLED devices 2, thin film transistors and other structures arranged on the substrate 1. Wherein, the substrate 1 is a transparent substrate 1. The OLED device 2 comprises a transparent first electrode 21, a light-emitting layer 22, a transparent second electrode 23 arranged in that order in a direction away from the substrate 1. The thin film transistor includes an active layer 71, a gate electrode 72, source and drain electrodes 73, a gate insulating layer 74, and the like. The first electrode 21 of the OLED device 2 is electrically connected to the drain electrode 73 of the thin film transistor. Here, it can be understood that, when the OLED display substrate performs display, both the first electrode 21 side and the second electrode 23 side of the OLED device 2 emit light. In order to clearly illustrate the structure of the OLED display substrate in the embodiment of the present invention, a surface of the OLED display substrate close to the second electrode 23 of the OLED device 2 is taken as a display surface, and a surface of the OLED display substrate close to the first electrode 21 of the OLED device 2 is taken as a non-display surface, that is, an ideal emitting direction of all light rays emitted by the OLED device 2 is a direction (upper direction in fig. 1) in which the OLED device 2 deviates from the substrate 1.
Example 1:
the present embodiment provides an OLED display substrate, where most of the entire OLED display substrate is a transparent region (specifically, the OLED device 2 region may be a transparent region, and the thin film transistor region is a non-transparent region).
As shown in fig. 1, the OLED display substrate provided in this embodiment includes the following structures: a substrate 1, and a plurality of OLED devices 2, a light selection pattern 3 disposed on the substrate 1. Wherein the content of the first and second substances,
the substrate 1 is a transparent substrate 1, and the material thereof may include polyimide, polyethylene terephthalate, polyethylene naphthalate, polycarbonate, polyethersulfone and other materials.
The OLED device 2 includes: a transparent first electrode 21, a light-emitting layer 22, and a transparent second electrode 23 sequentially disposed on the substrate 1 in a direction away from the substrate 1. Wherein the light emitting layer 22 is located between the first electrode 21 and the second electrode 23. Specifically, the pixel defining layer 4 is disposed between the layer where the first electrode 21 is located and the layer where the second electrode 23 is located, the pixel defining layer 4 includes a plurality of accommodating portions, each accommodating portion exposes the first electrode 21 of one OLED device 2, and the light emitting layer 22 of the OLED device 2 is disposed in the accommodating portion. That is, the first electrode 21, the second electrode 23, and the light emitting layer 22 interposed therebetween constitute one OLED device 2 at a position corresponding to each accommodation portion. Each OLED device 2 may emit light in a certain wavelength band range, such as blue light of 430nm to 490nm, green light of 500nm to 580nm, red light of 600nm to 680nm, and the like.
And the light selection patterns 3 correspond to the OLED devices 2 one by one and are arranged on one side of the OLED devices 2 close to the non-display surface. As shown in fig. 1, the light selection pattern 3 corresponds to the OLED device 2 and is disposed between the OLED device 2 and the substrate 1. Wherein each light selection pattern 3 allows passage of light in the same wavelength band as the wavelength band of the light emitted by its corresponding OLED device 2.
That is to say, in the OLED display substrate of this embodiment, the light selection pattern 3 is disposed on the side of the OLED device close to the non-display surface, so that the external environment light incident from the non-display surface side of the OLED display substrate passes through the light selection pattern 3, and after the external environment light is selected (specifically, filtered) by the light selection pattern 3, the light passing through the light selection pattern 3 and the light emitted by the OLED device 2 corresponding to the light selection pattern 3 are light rays with the same wavelength range, so that the influence of other light rays in the external environment light on the display effect of the OLED display substrate can be avoided, the light rays with the same wavelength range as the OLED device 2 in the external environment light can be effectively utilized to assist the OLED device 2 to display, and the display effect of the OLED display substrate is enhanced.
In this embodiment, the light selection pattern 3 may include a color filter. Specifically, according to the color of the OLED device 2 corresponding to the light selection pattern 3, a color filter of a corresponding color may be selected as the light selection pattern 3. In practical applications, the light selective pattern 3 preferably has a transmittance of 60% to 100% for light in a wavelength band through which the light selective pattern passes, and a transmittance of 0% to 20% for light in other wavelength bands.
Preferably, the orthographic projection of the light selection pattern 3 on the substrate 1 covers the orthographic projection of the corresponding accommodating part on the substrate 1, so that the light selection pattern 3 shields the OLED device 2 on the non-display surface side of the OLED display substrate, and the influence of the external environment light on the display effect of the OLED display substrate is avoided as much as possible.
It should be noted that, since the OLED display substrate is a transparent OLED display substrate, and the light selection function of the light selection pattern 3 may affect the overall transparency of the OLED display substrate, the area of the light selection pattern 3 should be reduced as much as possible under the condition of ensuring the shielding effect of the light selection pattern 3 on the OLED.
Preferably, any side of the opening of the accommodating part close to the light selection pattern 3 is coplanar with the side of the corresponding light selection pattern 3, and the included angle between the side of the accommodating part and the plane of the light selection pattern 3 is less than 30 °. Among them, the side of the light selection pattern 3 with the opening of the receiving portion refers to the side of the light selection pattern 3 located on the same side as the side of the opening of the receiving portion.
It should be noted here that, since the light selection pattern 3 is located on the side of the OLED device 2 close to the substrate 1, in order to avoid that the presence of the light selection pattern 3 has an adverse effect on the fabrication of the OLED device 2 during the fabrication of the OLED display substrate, it is preferable that a planarization layer 6 is further provided between the light selection pattern 3 and the OLED device 2 (the side of the light selection pattern 3 facing away from the substrate 1). Preferably, the planarization layer 6 may be made of a transparent organic resin. It is to be understood that the larger the thickness of the planarization layer 6 (i.e. the distance of the light selection pattern 3 from the OLED device 2), the larger the area of the light selection pattern 3 should be to make as much ambient light as possible to be able to enter the OLED device after being selected by the light selection pattern 3.
Preferably, the OLED display substrate in this embodiment further includes: a transflective structure 5 disposed on a side of the light selection pattern 3 facing away from the OLED device 2; the reflectivity of the semi-transparent and semi-reflective structure 5 to the light rays entering from the side close to the light selection pattern 3 is larger than the transmissivity to the light rays entering from the side close to the light selection pattern 3; at least part of the light rays entering the transflective structure 5 from the side facing away from the light-selecting pattern 3 can pass through the transflective structure 5.
That is, the transflective structure 5 can pass through the non-display surface side of the OLED display panel and reflect most of the light incident from the display surface side of the OLED display panel, so that the OLED device 2 can be assisted by ambient light to display, and the light emitted from the OLED device 2 can be prevented from being emitted from the non-display surface side of the OLED display as much as possible, thereby improving the light extraction efficiency of the OLED device 2. Specifically, as shown in fig. 1, the transflective structure 5 may be disposed on a side of the light selection pattern 3 close to the substrate 1. The transflective structure 5 may be a full-layer structure or a pattern corresponding to the light selecting pattern 3 one to one. The semi-transparent and semi-reflective structure 5 is preferably a pattern corresponding to the light selection pattern 3 one to one, so as to ensure the overall transparency of the OLED display panel as much as possible.
Preferably, the semi-transparent and semi-reflective structure 5 specifically includes: a nanostructure layer and a flat reflective layer arranged in sequence in a direction close to the light selective pattern 3. The nanostructure layer is positioned below the flat reflecting layer (on the side departing from the light selecting pattern), and one side (the upper surface in fig. 1) of the flat reflecting layer departing from the substrate 1 is a smooth reflecting surface so as to increase the reflectivity of the semi-transparent semi-reflecting structure 5 as much as possible; the surface of the nanostructure layer close to the substrate 1 is a rough surface.
Wherein, the thickness of the flat reflecting layer can be 50-200 microns, and the thickness of the nanostructure layer can be 100-500 microns. Wherein the material of the flat reflective layer and the nanostructure layer may comprise silver.
Preferably, in the OLED display substrate of this embodiment, the planarization layer 6 may also be disposed between the transflective structure 5 and the light shielding pattern.
It is understood that the display surface of the OLED display substrate may also be a surface of the OLED display substrate near the first electrode 21 of the OLED device 2, and the non-display surface is a surface of the OLED display substrate near the second electrode 23 of the OLED device 2. At this time, the positions of the light selection pattern 3, the semi-transparent and semi-reflective structure 5 and the like relative to the OLED device 2 can be correspondingly adjusted, so that the normal display of the OLED display substrate is prevented from being affected by the external environment light while the light emitting of the OLED device 2 is not affected, and the display effect of the OLED display substrate is improved by using the external environment light.
Example 2:
this embodiment provides a method for manufacturing an OLED display substrate, which can be used to manufacture any one of the OLED display substrates provided in embodiment 1. The preparation method comprises the following steps:
a step of forming a plurality of light selecting patterns and a plurality of OLED devices on a substrate; wherein, OLED device includes: a transparent first electrode, a light emitting layer, a transparent second electrode; the light selection patterns are arranged on the non-display surface side of the OLED device and correspond to the OLED device one by one; each light selection pattern allows passage of light in the same wavelength band as the OLED device to which it corresponds.
And forming a transflective structure on the side of the light selection pattern departing from the OLED device, wherein the transflective structure has a reflectivity for light incident from the side close to the light selection pattern greater than a transmittance for light incident from the side close to the light selection pattern; at least part of the light rays entering the transflective structure from the side facing away from the light-selective pattern can pass through the transflective structure.
Specifically, the preparation method comprises the following steps:
and S1, forming a semi-transparent semi-reflective structure on the substrate.
Preferably, the semi-transparent and semi-reflective structure comprises a nano-structure layer and a flat reflective layer which are sequentially arranged along the direction departing from the substrate. In this case, step S1 may specifically include the following steps:
and S11, forming a nanostructure layer on the substrate.
Specifically, in this step, a nano material layer (specifically, a solution containing nano silver particles) may be formed on the substrate through an inkjet printing or coating process, and then the nano material layer is dried to form the nano structure layer.
And S12, forming a flat reflecting layer on the substrate on which the nanostructure layer is formed.
Specifically, in this step, a flat reflective layer may be formed on the substrate by a sputtering process or an evaporation process. The upper surface (the surface departing from the substrate) of the flat reflecting layer formed by the process is a smooth plane so as to enhance the reflecting effect on light rays.
And S2, forming a planarization layer on the substrate.
Wherein the material of the planarization layer may include an organic resin.
S3, forming a light selection pattern on the substrate.
Wherein the material of the light selective pattern may comprise a color filter.
Specifically, in the present embodiment, the light selective pattern may be formed on the substrate through a patterning process. Wherein the position of each light selection pattern corresponds to the OLED device formed by the strip, and the color of the light selection pattern also corresponds to the color of the corresponding OLED device.
And S4, forming an OLED device on the substrate with the light selection pattern.
Wherein, the OLED devices correspond to the light selection patterns one to one.
Specifically, step S4 may include the steps of:
and S41, forming a first electrode of the OLED device on the substrate.
The material of the first electrode is a transparent conductive material.
And S42, forming a pixel defining layer on the substrate. The pixel defining layer includes a plurality of receiving parts, each of which exposes the first electrode of one OLED device. I.e. the location of the housing defining the OLED device through the pixel defining layer.
S43, forming a light emitting layer of the OLED device in the receiving portion of the pixel defining layer.
Wherein, the material of the luminescent layer is organic luminescent material. In this step, specifically, the organic light emitting material solution may be formed in the accommodating portion by a process such as inkjet printing, and then the light emitting layer may be formed by a drying process.
And S5, forming a second electrode of the OLED device on the substrate.
The second electrode is made of a transparent conductive material.
Thus, the OLED display substrate is prepared. It is understood that the preparation method in this embodiment may further include a step of forming structures such as a thin film transistor and a signal line, which are not described herein again.
It should be noted that, when the display surface of the OLED display substrate is a surface of the OLED display substrate close to the first electrode of the OLED device, and the non-display surface is a surface of the OLED display substrate close to the second electrode of the OLED device, the preparation sequence of each structure may be correspondingly adjusted according to the position of each structure, which is not described in detail in this embodiment.
Example 3:
the present embodiment provides a display device including any one of the OLED display substrates provided in embodiment 1.
The display device may be any product or component having a display function, such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, a navigator, and the like.
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 (7)
1. An OLED display substrate having a display side and a non-display side opposite the display side; characterized in that, OLED display substrate includes:
a substrate;
a plurality of OLED devices disposed on the substrate; the OLED device includes: a transparent first electrode, a light emitting layer, a transparent second electrode;
the light selection patterns correspond to the OLED devices one by one and are arranged on one side, close to the non-display surface, of the OLED devices;
each light selection pattern allows the light to pass through the same wavelength band range as the light emitted by the corresponding OLED device;
the OLED display substrate further includes: the pixel limiting layer is arranged between the layer where the first electrode is located and the layer where the second electrode is located, the pixel limiting layer comprises a plurality of accommodating parts, each accommodating part exposes the first electrode of one OLED device, and the light emitting layer of each OLED device is arranged in the accommodating part;
the orthographic projection of the light selection pattern on the substrate covers the orthographic projection of the corresponding accommodating part on the substrate;
any side edge of the opening of the accommodating part close to the side of the light selection pattern is coplanar with the side edge of the corresponding light selection pattern, and the included angle between the side edge of the accommodating part and the plane of the light selection pattern is less than 30 degrees;
the light selection pattern includes a color filter.
2. The OLED display substrate of claim 1, further comprising: the semi-transparent semi-reflecting structure is arranged on one side, away from the OLED device, of the light selection pattern;
the reflectivity of the semi-transparent semi-reflecting structure to the light rays entering from the side close to the light selection pattern is larger than the transmissivity to the light rays entering from the side close to the light selection pattern;
at least part of the light rays incident into the transflective structure from the side facing away from the light selection pattern can pass through the transflective structure.
3. The OLED display substrate of claim 2, wherein the transflective structure comprises: a nanostructure layer and a flat reflective layer sequentially disposed along a direction proximate to the light selective pattern.
4. A preparation method of an OLED display substrate is provided, wherein the OLED display substrate is provided with a display surface and a non-display surface opposite to the display surface; the preparation method is characterized by comprising the following steps:
a step of forming a plurality of light selecting patterns and a plurality of OLED devices on a substrate;
wherein the OLED device comprises: a transparent first electrode, a light emitting layer, a transparent second electrode;
the light selection patterns are arranged on the non-display surface side of the OLED device and correspond to the OLED device one by one; each light selection pattern allows passage of light in the same wavelength band as the light emitted by its corresponding OLED device.
5. The method for preparing the OLED display substrate according to claim 4, further comprising:
a step of forming a semi-transparent and semi-reflective structure on one side of the light selection pattern, which is far away from the OLED device;
the reflectivity of the semi-transparent semi-reflecting structure to the light rays entering from the side close to the light selection pattern is larger than the transmissivity to the light rays entering from the side close to the light selection pattern;
at least part of the light rays incident into the transflective structure from the side facing away from the light selection pattern can pass through the transflective structure.
6. The method according to claim 5, wherein the transflective structure comprises a flat reflective layer and a nanostructure layer sequentially disposed along the light selective pattern;
the step of forming the flat reflective layer includes: forming a flat reflecting layer on the substrate through a sputtering process or an evaporation process;
the step of forming the nanostructure layer comprises: forming a nanomaterial layer on the substrate by an inkjet printing or coating process; and drying the nano material layer to form a nano structure layer.
7. A display device comprising the OLED display substrate of any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910129702.2A CN109817690B (en) | 2019-02-21 | 2019-02-21 | OLED display substrate, preparation method of OLED display substrate and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910129702.2A CN109817690B (en) | 2019-02-21 | 2019-02-21 | OLED display substrate, preparation method of OLED display substrate and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109817690A CN109817690A (en) | 2019-05-28 |
| CN109817690B true CN109817690B (en) | 2022-02-08 |
Family
ID=66607110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910129702.2A Active CN109817690B (en) | 2019-02-21 | 2019-02-21 | OLED display substrate, preparation method of OLED display substrate and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109817690B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856351A (en) * | 2012-06-14 | 2013-01-02 | 友达光电股份有限公司 | Organic electroluminescent display panel and manufacturing method thereof |
| CN105633115A (en) * | 2014-11-27 | 2016-06-01 | 昆山国显光电有限公司 | OLED (organic light-emitting diode) device and manufacturing method therefor, and display apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101680765B1 (en) * | 2010-11-17 | 2016-11-30 | 삼성전자주식회사 | Organic light emitting display device and folderble display device having the same |
-
2019
- 2019-02-21 CN CN201910129702.2A patent/CN109817690B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856351A (en) * | 2012-06-14 | 2013-01-02 | 友达光电股份有限公司 | Organic electroluminescent display panel and manufacturing method thereof |
| CN105633115A (en) * | 2014-11-27 | 2016-06-01 | 昆山国显光电有限公司 | OLED (organic light-emitting diode) device and manufacturing method therefor, and display apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109817690A (en) | 2019-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10916592B2 (en) | Organic light-emitting diode display device | |
| KR100486007B1 (en) | Liquid crystal device, method for manufacturing the same, and electronic apparatus | |
| US6747723B2 (en) | Liquid crystal device having multi-layer electrode, method of making the same, and electronic apparatus | |
| CN108598109B (en) | Display panel and display device | |
| CN111384106A (en) | Display device and method for manufacturing the same | |
| WO2022028183A1 (en) | Display substrate and preparation method therefor, and display apparatus | |
| WO2022017020A1 (en) | Display apparatus and manufacturing method therefor | |
| TW201322214A (en) | Display and electronic unit | |
| CN112968139B (en) | Display substrate, display device and preparation method of display device | |
| KR100759668B1 (en) | Organic light emitting diode display and method for fabricating the same | |
| US20210242283A1 (en) | Display device and method of manufacturing the same | |
| KR20190109854A (en) | Touch sensor and image display device including the same | |
| US11010001B2 (en) | Touch substrate, method of manufacturing the same, and touch display device | |
| CN109817690B (en) | OLED display substrate, preparation method of OLED display substrate and display device | |
| US10025409B2 (en) | Transparent conductive thin film, substrate, touch screen and manufacturing method thereof, and display device | |
| CN111477762A (en) | Display panel, preparation method thereof and electroluminescent display device | |
| US20190348473A1 (en) | Flexible substrate, manufacturing method thereof and touch display panel | |
| US11662614B2 (en) | Display panel and display apparatus | |
| US20220216283A1 (en) | Display apparatus and method of manufacturing the same | |
| US11616215B2 (en) | Display apparatus | |
| US20210265599A1 (en) | Apparatus for manufacturing display device, method of manufacturing mask assembly, and method of manufacturing display device | |
| WO2020211534A1 (en) | Mobile terminal, cover plate, and display assembly | |
| KR102410527B1 (en) | Display device and manufacturing method thereof | |
| JP4211258B2 (en) | LIGHTING DEVICE MANUFACTURING METHOD, DISPLAY DEVICE USING LIGHTING DEVICE | |
| US20230189616A1 (en) | Display device including inorganic deposition layer on light emitting element |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |