CN115719501A - Display substrate, display panel and display device - Google Patents
Display substrate, display panel and display device Download PDFInfo
- Publication number
- CN115719501A CN115719501A CN202110966858.3A CN202110966858A CN115719501A CN 115719501 A CN115719501 A CN 115719501A CN 202110966858 A CN202110966858 A CN 202110966858A CN 115719501 A CN115719501 A CN 115719501A
- Authority
- CN
- China
- Prior art keywords
- display
- signal lines
- signal line
- lines
- substrate
- 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.)
- Pending
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 68
- 230000003287 optical effect Effects 0.000 claims description 23
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000003384 imaging method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000002161 passivation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000002096 quantum dot Substances 0.000 description 1
Images
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to the technical field of display equipment, and discloses a display substrate, a display panel and a display device, wherein the display substrate comprises a substrate base plate, a plurality of first display signal lines, a plurality of second display signal lines and a plurality of reading signal lines, wherein the first display signal lines are positioned on the substrate base plate, the first display signal lines extend along a first direction, the second display signal lines and the reading signal lines extend along a second direction, the first direction is intersected with the second direction, the plurality of second display signal lines are positioned on one side, far away from the substrate base plate, of the first display signal lines, and the plurality of reading signal lines are positioned on one side, far away from the first display signal lines, of the second display signal lines; the orthographic projection of the plurality of second display signal lines on the substrate completely covers the orthographic projection of the plurality of reading signal lines on the substrate; when the reading signal line is operated, the second display signal line has a stable electric signal thereon. The display substrate can reduce noise on a reading signal line and ensure the definition of fingerprint imaging.
Description
Technical Field
The invention relates to the technical field of display equipment, in particular to a display substrate, a display panel and a display device.
Background
In the fingerprint identification technology, a PIN photodiode is used as a component of an optical sensing assembly, low noise and high signal-to-noise ratio are important evaluation indexes, and when the optical sensing assembly is integrated in a light emitting unit array of a display substrate, due to complex signal and wiring design, the noise of the optical sensing assembly is obviously increased, the signal-to-noise ratio of the optical sensing assembly is seriously reduced, and the definition of fingerprint imaging is influenced. The reason is that the signal reading line (read line) connected to the optical sensing element is very sensitive, and the noise is increased significantly after the signal reading line is interfered.
Disclosure of Invention
The invention provides a display substrate, a display panel and a display device.
In order to achieve the purpose, the invention provides the following technical scheme:
a display substrate comprises a substrate, a plurality of light-emitting units, a plurality of optical sensing assemblies, a plurality of first display signal lines, a plurality of second display signal lines and a plurality of reading signal lines, wherein the light-emitting units, the optical sensing assemblies, the first display signal lines, the second display signal lines and the reading signal lines are positioned on the substrate;
the plurality of light-emitting units are distributed on the substrate in an array manner, and each light-emitting unit comprises an anode, a light-emitting layer and a cathode which are sequentially formed on the substrate; the optical sensing assembly comprises photosensitive devices, and each photosensitive device is positioned between two adjacent anodes; the plurality of first display signal lines and the plurality of second display signal lines are used for transmitting driving electric signals for driving the plurality of light-emitting units to emit light, the plurality of reading signal lines are used for reading fingerprint identification electric signals emitted by the photosensitive devices, the first display signal lines extend along a first direction, the second display signal lines and the reading signal lines extend along a second direction, and the first direction is intersected with the second direction; wherein,
the first display signal lines, the second display signal lines and the reading signal lines are in different layers and are insulated from each other, the second display signal lines are positioned on one side, away from the substrate, of the first display signal lines, and the reading signal lines are positioned on one side, away from the first display signal lines, of the second display signal lines; the orthographic projection of the second display signal lines on the substrate completely covers the orthographic projection of the reading signal lines on the substrate; when the reading signal line works, the second display signal line has stable electric signals.
In the display substrate, a plurality of optical sensing assemblies are integrated in the light-emitting unit array, a plurality of first display signal lines, a plurality of second display signal lines and a plurality of reading signal lines are arranged in different layers, because the plurality of reading signal lines are positioned on one side, far away from the first display signal lines, of the second display signal lines, the orthographic projections, positioned on the substrate, of the plurality of reading signal lines completely cover the orthographic projections, positioned on the substrate, of the plurality of reading signal lines, when the reading signal lines work, stable electric signals are arranged on the second display signal lines, the second display signal lines can isolate the reading signal lines from the first display signal lines, certain shielding protection is achieved on the reading signal lines, the coupling capacitance between the reading signal lines and the first display signal lines can be reduced, the interference intensity of the reading signal lines is reduced, when the reading signal lines read the fingerprint identification electric signals sent by the photosensitive devices, the noise on the reading signal lines can be reduced, the signal-to noise ratio can be improved, and the definition of fingerprint imaging is ensured.
Optionally, the optical sensing assembly further includes a switching tube, a reverse bias voltage signal is input to an input end of the photosensitive device, an output end of the photosensitive device is electrically connected to a source of the switching tube, a drain of the switching tube is electrically connected to the read signal line, and a gate of the switching tube is electrically connected to the driving device.
Optionally, the display device includes a plurality of gate lines extending along a first direction, a plurality of data lines extending along a second direction, and a plurality of pixel driving circuits located at intersections of the plurality of gate lines and the plurality of data lines, each of the pixel driving circuits is electrically connected to the gate lines and the data lines, and the plurality of pixel driving circuits are electrically connected to anodes of the plurality of light emitting units in a one-to-one correspondence manner, so as to drive the light emitting units to emit light.
Alternatively, the second display signal line includes a first power supply signal line extending in the second direction, the first power supply signal line being for supplying a stable constant voltage signal to the pixel driving circuit.
Optionally, the second display signal line includes the data line, and the data line and the read signal line operate in a time-sharing manner.
Alternatively, the first display signal line includes the gate line, an initialization signal line, a reset signal line, and a second power signal line extending in a first direction.
Optionally, the reset signal line, the gate line, and the gate of the switching tube are disposed in the same layer, and the initialization signal line and the second power signal line are disposed between the metal layer where the gate of the switching tube is located and the metal layer where the switching tube and the source and the drain are located.
Optionally, the second display signal line and the source and the drain of the switching tube are disposed in the same layer.
Optionally, the read signal line and the photosensor are located on a side of the switching tube away from the substrate base plate.
The invention further provides a display panel which comprises any one of the display substrates provided in the technical scheme.
The invention also provides a display device which comprises the display panel provided in the technical scheme.
Drawings
Fig. 1 is a schematic structural diagram of a display substrate according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a display panel according to an embodiment of the present invention;
fig. 3 is a circuit diagram of a display panel according to an embodiment of the invention;
fig. 4 is a circuit diagram of an optical sensing assembly according to an embodiment of the present invention.
An icon:
1-a substrate base plate; 2-a light-emitting unit; 21-an anode; 22-a light-emitting layer; 23-a cathode; 3-an optical sensing component; 31-a photosensitive device; 311-sensor gate lines; 32-a switching tube; 321-a source electrode; 322-a drain electrode; 323-a gate; 4-a first display signal line; 41-a gate line; 42-initialization signal line; 43-reset signal line; 44-second power supply signal line; 5-a second display signal line; 51-first power supply signal line; 52-data lines; 6-read signal line; 7-a light emitting signal line; 8-pixel driving circuit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, an embodiment of the invention provides a display substrate, which includes a substrate 1, and a plurality of light emitting units 2, a plurality of optical sensing elements 3, a plurality of first display signal lines 4, a plurality of second display signal lines 5, and a plurality of readout signal lines 6 on the substrate 1;
the plurality of light-emitting units 2 are distributed on the substrate base plate 1 in an array, and each light-emitting unit 2 comprises an anode 21, a light-emitting layer 22 and a cathode 23 which are sequentially formed on the substrate base plate 1; the optical sensing assembly 3 comprises photosensitive devices 31, each photosensitive device 31 being located between two adjacent anodes 21; the plurality of first display signal lines 4 and the plurality of second display signal lines 5 are used for transmitting driving electric signals for driving the plurality of light-emitting units 2 to emit light, the plurality of reading signal lines 6 are used for reading fingerprint identification electric signals emitted by the photosensitive device 31, the first display signal lines 4 extend along a first direction, the second display signal lines 5 and the reading signal lines 6 extend along a second direction, and the first direction is intersected with the second direction; wherein,
the plurality of first display signal lines 4, the plurality of second display signal lines 5 and the plurality of reading signal lines 6 are in different layers and are insulated from each other, the plurality of second display signal lines 5 are positioned on one side of the first display signal lines 4 far away from the substrate base plate 1, and the plurality of reading signal lines 6 are positioned on one side of the second display signal lines 5 far away from the first display signal lines 4; the orthographic projection of the plurality of second display signal lines 5 on the substrate base plate 1 completely covers the orthographic projection of the plurality of reading signal lines 6 on the substrate base plate 1; when the reading signal line 6 is operated, the second display signal line 5 has a stable electric signal thereon.
In the display substrate provided by the above embodiment of the invention, the plurality of optical sensing assemblies 3 are integrated in the array of the light emitting unit 2, the plurality of first display signal lines 4, the plurality of second display signal lines 5 and the plurality of reading signal lines 6 are arranged in different layers, because the plurality of reading signal lines 6 are located on one side of the second display signal lines 5 away from the first display signal lines 4, and the orthographic projections of the plurality of second display signal lines 5 on the substrate 1 completely cover the orthographic projections of the plurality of reading signal lines 6 on the substrate 1, and when the reading signal lines 6 work, the second display signal lines 5 have stable electrical signals, the second display signal lines 5 can isolate the reading signal lines 6 from the first display signal lines 4, play a certain shielding protection role on the reading signal lines 6, can reduce the coupling capacitance between the reading signal lines 6 and the first display signal lines 4, further reduce the interference intensity of the reading signal lines 6, and in the process of fingerprint scanning by the plurality of optical sensing assemblies 3, when the reading device 31 sends out the fingerprint identification signal on the reading signal lines 6, the fingerprint, the signal to noise can be reduced, and the image clarity of the fingerprint can be ensured.
As shown in fig. 2, fig. 3 and fig. 4, the optical sensing assembly 3 further includes a switching tube 32, wherein a reverse bias voltage signal is input to an input end (end B) of the photosensitive device 31, and specifically, the input end of the photosensitive device 31 is electrically connected to a Sensor Gate line (Sensor Gate) 311 to access the reverse bias voltage signal; the output terminal of the photosensor 31 is electrically connected to the source (S) 321 of the switch 32, the drain (D) 322 of the switch 32 is electrically connected to the Read signal Line 6 (Read Line) 6, and the gate (G) of the switch 32 is electrically connected to the driver. Specifically, the photosensitive device 31 may be a PIN photodiode, and the switching transistor 32 may be a thin film transistor. As shown in fig. 4, when the gate (G pole) of the switch tube 32 is turned on, the light signal of the photosensor 31 enters the drive IC through the read signal line 6 from the drain (D pole) of the switch tube 32, and the fingerprint identification electric signal is read. The driving device may be a GOA unit or a driving IC, and the gate (G pole) of the switching tube 32 may be controlled to be opened or closed by the GOA unit or the driving IC, so as to control the reading state of the fingerprint identification electrical signal by the reading signal line 6.
Specifically, as shown in fig. 2, a buffer layer may be disposed between the substrate base plate 1 and the switching tube 32, an active layer in the switching tube 32 is formed on the buffer layer, a gate electrode 323 of the switching tube 32 is disposed on a side of the active layer away from the substrate base plate, a first gate insulating layer is formed between the gate electrode 323 and the active layer, a source electrode 321 and a drain electrode 322 of the switching tube 32 are disposed on a side of the gate electrode 323 away from the substrate base plate 1, a second gate insulating layer and an intermediate dielectric layer are sequentially formed between the gate electrode 323 and the source electrode 321 and the drain electrode 322, the source electrode 321 and the drain electrode 322 are electrically connected to the active layer of the switching tube 32 through a via, the photosensitive device 31 is disposed on a side of the switching tube 32 away from the substrate base plate 1, a first passivation layer, a first planarization layer, and a second passivation layer may be sequentially formed between the switching tube 32 and the photosensitive device 31, an output end of the photosensitive device 31 may be electrically connected to the source electrode of the switching tube 32 through a via, a sensor gate line 311 may be disposed on a side of the photosensitive device 31 away from the substrate base plate 1, and a second planarization layer may be sequentially formed between the photosensitive device 31 and the photosensitive device 31 through a via.
As shown in fig. 1, the plurality of optical sensing elements 3 may be distributed on the display substrate in an array manner, and different signal quantities are generated by using different light intensities reaching the photosensor 31 from the valley and ridge of the finger, so as to achieve the purpose of optical fingerprint identification.
The display substrate provided by the embodiment of the invention, as shown in fig. 1 and 3, includes a plurality of Gate lines (gates) 41 extending along a first direction, a plurality of Data lines (Data) 52 extending along a second direction, and a plurality of pixel driving circuits 8 located at intersections of the plurality of Gate lines 41 and the plurality of Data lines 52, each pixel driving circuit 8 is electrically connected to the Gate lines 41 and the Data lines 52, and the plurality of pixel driving circuits 8 are electrically connected to the anodes 21 of the plurality of light emitting units 2 in a one-to-one correspondence manner, so as to drive the light emitting units 2 to emit light. The specific structure of the pixel driving circuit 8 may be determined according to actual situations, and is not limited herein, for example, the pixel driving circuit 8 may have a structure of 5T2C, 7T1C, and the like.
Specifically, the pixel driving circuit 8 may be composed of a plurality of thin film transistors, as shown in fig. 2, the gate electrodes of the thin film transistors in the pixel driving circuit 8 may be disposed in the same layer as the gate electrode 323 of the switching tube 32, the source and drain electrodes of the thin film transistors may be disposed in the same layer as the source and drain electrodes 321 and 322 of the switching tube 32, the anodes 21 of the light emitting units 2 may be disposed in the same layer as the sensor gate line 311, and the light emitting units 2 are separated by the pixel defining layer.
In a specific embodiment, as shown in fig. 1 and 2, the second display signal line 5 may be a first power supply signal line (VDD) 51 extending in the second direction, the first power supply signal line 51 being used to provide a stable constant voltage signal to the pixel driving circuit 8. Since the first power signal line 51 transmits a stable constant voltage signal, the first power signal line 51 is located between the first display signal line 4 and the reading signal line 6, the first power signal line 51 can isolate the reading signal line 6 from the first display signal line 4, so that the coupling between the reading signal line 6 and the first display signal line 4 can be reduced, and the interference strength of the reading signal line 6 can be further reduced.
In a possible embodiment, the second display signal line 5 may also be a data line 52, and the data line 52 may operate in a time-sharing manner with the read signal line 6, so as to ensure that a stable electrical signal is provided on the data line 52 when the read signal line 6 operates. Specifically, the specific process of the time-sharing operation of the data line 52 and the reading signal line 6 may be that, when the data line 52 operates, the reading signal line 6 does not read the fingerprint identification electrical signal, the electrical signal for driving the light-emitting unit 2 to emit light is input on the data line 52, and when the reading signal reads the fingerprint identification electrical signal, the stable electrical signal is input on the data line 52, so as to ensure that the data line 52 has a shielding protection effect on the first display signal line 4, and reduce the interference strength of the reading signal line 6.
In one specific embodiment, as shown in fig. 1, the first display signal line 4 may be a gate line 41, an initialization signal line (Vinit) 42, a Reset signal line (Reset) 43, a second power signal line (VDD 1) 44, and the like extending in a first direction. The second power supply signal line 44 inputs the same stable electric signal as the first power supply signal line 51, and the initialization signal line 42, the reset signal line 43, and the second power supply signal line 44 are electrically connected to the pixel driving circuit 8, and are used for driving the plurality of light emitting units 2 to emit light to realize image display.
The reset signal line 43, the gate line 41, and the gate electrode 323 of the switching tube 32 may be disposed in the same layer, and the initialization signal line 42 and the second power signal line 44 are disposed between the metal layer where the gate electrode 323 of the switching tube 32 is located and the metal layers where the switching tube 32, the source electrode 321, and the drain electrode 322 are located, so that the fabrication process can be simplified, and the fabrication is convenient. The second display signal line 5 can isolate the reading signal line 6 from the gate line 41, the reset signal line 43, the initialization signal line 42 and the second power signal line 44, thereby reducing the interference strength of the reading signal line 6.
Specifically, a plurality of light emission signal lines (EM) 7 are also provided on the display substrate, the pixel driving circuit 8 is electrically connected to the light emission signal lines 7, and the light emission signal lines 7 supply driving signals to the pixel driving circuit 8.
The second display signal line 5 and the source 321 and the drain 322 of the switch tube 32 may be disposed on the same layer, which may simplify the manufacturing process and facilitate the manufacturing, and the second display signal line 5 may be located between the reading signal line 6 and the first display signal line 4 to isolate the reading signal line 6 from the first display signal line, thereby reducing the interference of the first display signal line to the reading signal line 6. Specifically, as shown in fig. 2, the first power signal line 51 and the data line 52 are disposed at the same level as the source 321 and the drain 322 of the switching tube 32.
In a specific embodiment, as shown in fig. 2, the read signal line 6 and the photosensor 31 may be located on a side of the switching tube 32 remote from the substrate base plate 1. In the prior art, the read signal line 6, the first power signal line 51, the data line 52, and the source 321 and the drain 322 of the switch tube 32 are disposed in the same layer, and the gate line 41, the reset signal line 43, the initialization signal line 42, the second power signal line 44, and the like are disposed below the read signal line 6, and the gate line 41, the reset signal line 43, the initialization signal line 42, and the second power signal line 44 may interfere with the read signal line 6, in this embodiment, the read signal line 6 is disposed on a side of the switch tube 32 away from the substrate 1, the first power signal line 51 or the data line 52 is disposed between the read signal line 6 and the gate line 41, the reset signal line 43, the initialization signal line 42, and the second power signal line 44, and the first power signal line 51 or the data line 52 may shield the read signal line 6, and the read signal line 6 may be fabricated in a metal layer connected to the output end of the photosensitive device 31, and the read signal line 6 is electrically connected to the drain 322 of the switch tube 32 through the via hole.
The embodiment of the invention also provides a display panel which comprises any one of the display substrates provided in the technical scheme. Specifically, the display panel may be an organic light emitting display panel, a quantum dot light emitting diode display panel, a micro light emitting diode display panel, or the like.
The embodiment of the invention also provides a display device which comprises the display panel provided in the technical scheme.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (11)
1. A display substrate is characterized by comprising a substrate base plate, a plurality of light-emitting units, a plurality of optical sensing assemblies, a plurality of first display signal lines, a plurality of second display signal lines and a plurality of reading signal lines, wherein the light-emitting units, the optical sensing assemblies, the first display signal lines, the second display signal lines and the reading signal lines are positioned on the substrate base plate;
the plurality of light-emitting units are distributed on the substrate base plate in an array mode, and each light-emitting unit comprises an anode, a light-emitting layer and a cathode which are sequentially formed on the substrate base plate; the optical sensing assembly comprises photosensitive devices, and each photosensitive device is positioned between two adjacent anodes; the plurality of first display signal lines and the plurality of second display signal lines are used for transmitting driving electric signals for driving the plurality of light-emitting units to emit light, the plurality of reading signal lines are used for reading fingerprint identification electric signals emitted by the photosensitive devices, the first display signal lines extend along a first direction, the second display signal lines and the reading signal lines extend along a second direction, and the first direction is intersected with the second direction; wherein,
the first display signal lines, the second display signal lines and the reading signal lines are in different layers and are insulated from each other, the second display signal lines are positioned on one side of the first display signal lines, which is far away from the substrate, and the reading signal lines are positioned on one side of the second display signal lines, which is far away from the first display signal lines; the orthographic projection of the plurality of second display signal lines on the substrate completely covers the orthographic projection of the plurality of reading signal lines on the substrate; when the reading signal line works, the second display signal line has stable electric signals.
2. The display substrate of claim 1, wherein the optical sensor assembly further comprises a switch transistor, an input terminal of the photosensitive device inputs a reverse bias voltage signal, an output terminal of the photosensitive device is electrically connected to a source electrode of the switch transistor, a drain electrode of the switch transistor is electrically connected to the read signal line, and a gate electrode of the switch transistor is electrically connected to the driving device.
3. The display substrate according to claim 2, comprising a plurality of gate lines extending in a first direction, a plurality of data lines extending in a second direction, and a plurality of pixel driving circuits at intersections of the plurality of gate lines and the plurality of data lines, wherein each of the pixel driving circuits is electrically connected to the gate lines and the data lines, and the plurality of pixel driving circuits are electrically connected to anodes of the plurality of light emitting units in a one-to-one correspondence for driving the light emitting units to emit light.
4. A display substrate according to claim 3, wherein the second display signal line comprises a first power supply signal line extending in the second direction, the first power supply signal line being configured to supply a stable constant voltage signal to the pixel driving circuit.
5. The display substrate according to claim 3, wherein the second display signal line includes the data line, and the data line and the read signal line operate in a time-sharing manner.
6. The display substrate according to claim 3, wherein the first display signal line comprises the gate line, an initialization signal line, a reset signal line, and a second power supply signal line extending in a first direction.
7. The display substrate according to claim 6, wherein the reset signal line, the gate line, and the gate electrode of the switching tube are disposed in the same layer, and the initialization signal line and the second power supply signal line are disposed between a metal layer where the gate electrode of the switching tube is located and a metal layer where the switching tube and the source and drain electrodes are located.
8. A display substrate according to any one of claims 2 to 7, wherein the second display signal line is provided in the same layer as the source and drain electrodes of the switching tube.
9. A display substrate as claimed in any one of claims 2 to 7, wherein the read signal line and the light-dependent device are located on a side of the switching tube remote from the substrate.
10. A display panel comprising the display substrate according to any one of claims 1 to 9.
11. A display device characterized by comprising the display panel according to claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110966858.3A CN115719501A (en) | 2021-08-23 | 2021-08-23 | Display substrate, display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110966858.3A CN115719501A (en) | 2021-08-23 | 2021-08-23 | Display substrate, display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115719501A true CN115719501A (en) | 2023-02-28 |
Family
ID=85253317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110966858.3A Pending CN115719501A (en) | 2021-08-23 | 2021-08-23 | Display substrate, display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115719501A (en) |
-
2021
- 2021-08-23 CN CN202110966858.3A patent/CN115719501A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110634890B (en) | Array substrate, electronic device and manufacturing method of array substrate | |
| CN108899344B (en) | OLED display panel, driving method thereof and display device | |
| CN112117320B (en) | Display panel and display device | |
| US20200294752A1 (en) | Display panel, display device and method for determining the position of an external object thereby | |
| US9483135B2 (en) | Organic light emitting display integrated with touch screen panel | |
| CN108154842B (en) | Organic light-emitting display panel and electronic equipment | |
| US11737342B2 (en) | Display substrate and manufacturing method thereof and display apparatus | |
| CN110890388B (en) | Array substrate and display panel | |
| CN108511496B (en) | Organic light-emitting display panel and organic light-emitting display device | |
| CN111312161B (en) | Pixel driving circuit and display panel | |
| CN112687190B (en) | Display panel, display device and preparation method of display panel | |
| CN110767722B (en) | Display substrate, manufacturing method thereof, display panel and display device | |
| CN114616616B (en) | Display substrate, manufacturing method thereof and display device | |
| CN115719501A (en) | Display substrate, display panel and display device | |
| CN115295567B (en) | Array substrate and electronic equipment | |
| CN111403460A (en) | O L ED display panel and display device | |
| CN116156944A (en) | Display device and display panel | |
| US20220320225A1 (en) | Display substrate and method for manufacturing the same, and display device | |
| CN112289812A (en) | Array substrate, display panel and display device | |
| US11966544B2 (en) | Data line shielding for electronic device displays with touch sensors | |
| CN114664906B (en) | Light sensing module, display panel and display device | |
| WO2022227043A1 (en) | Display substrate and display device | |
| CN116193938A (en) | Display substrate and display panel | |
| CN116600597A (en) | Display panel and display device | |
| CN116613165A (en) | Display device, display panel, driving backboard and manufacturing method thereof |
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 |