CN110223637A - Pixel-driving circuit and organic LED display device - Google Patents
Pixel-driving circuit and organic LED display device Download PDFInfo
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- CN110223637A CN110223637A CN201910392769.5A CN201910392769A CN110223637A CN 110223637 A CN110223637 A CN 110223637A CN 201910392769 A CN201910392769 A CN 201910392769A CN 110223637 A CN110223637 A CN 110223637A
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- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 7
- 239000010409 thin film Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/043—Preventing or counteracting the effects of ageing
- G09G2320/046—Dealing with screen burn-in prevention or compensation of the effects thereof
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
A kind of pixel-driving circuit, comprising: Organic Light Emitting Diode, direct current high potential are input to the anode of the Organic Light Emitting Diode；The first transistor, scanning signal are input to the control terminal of the first transistor, and data-signal is input to the input terminal of the first transistor；Second transistor；Third transistor, pulse signal are input to the control terminal of the third transistor, and detection signal is input to the input terminal of the third transistor；And the 4th transistor, control signal are input to the control terminal of the 4th transistor, direct current low potential is input to the output end of the 4th transistor.A kind of organic LED display device is also provided.
Description
Technical field
This announcement is related to field of display technology, aobvious more particularly to a kind of pixel-driving circuit and Organic Light Emitting Diode
Showing device.
Background technique
The pixel of existing Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) display device
In driving circuit, due to Organic Light Emitting Diode meeting aging, the voltage at Organic Light Emitting Diode both ends is caused to improve, so that
The current reduction for driving the transistor of the Organic Light Emitting Diode is flowed through, influences to show quality.
In addition, it is limited to the processing procedure of existing organic LED display device, the Organic Light Emitting Diode of inversion type
(inverted OLED) is not easy to realize.
Therefore it needs to propose a solution to the problems of the prior art.
Summary of the invention
This announcement is designed to provide a kind of pixel-driving circuit and organic LED display device, can solve
The problem of certainly flowing through the current reduction for driving the transistor of Organic Light Emitting Diode in the prior art.
To solve the above problems, a kind of pixel-driving circuit that this announcement provides includes: Organic Light Emitting Diode, direct current is high
Current potential is input to the anode of the Organic Light Emitting Diode；The first transistor, scanning signal are input to the first transistor
Control terminal, data-signal are input to the input terminal of the first transistor；Second transistor, the control terminal of the second transistor
It is electrically coupled to the output end of the first transistor；Third transistor, pulse signal are input to the control of the third transistor
End processed, detection signal are input to the input terminal of the third transistor, and the input terminal of the third transistor is electrically coupled to institute
State the output end of second transistor；And the 4th transistor, control signal is input to the control terminal of the 4th transistor, described
The input terminal of 4th transistor is electrically coupled to the output end of the second transistor, and direct current low potential is input to described
The output end of four transistors.
In an embodiment, the pixel-driving circuit further comprises: storage capacitance is electrically coupled to described first
Between the output end of transistor and the output end of the second transistor.
In an embodiment, the pulse signal is used to start to detect or terminate to detect the threshold value electricity of the second transistor
At least one of pressure and mobility.
In an embodiment, the threshold voltage and mobility that the detection signal is used to detect the second transistor are extremely
Few one.
In an embodiment, the control signal goes to detect the second transistor for starting the third transistor
At least one of threshold voltage and mobility.
To solve the above problems, a kind of organic LED display device that this announcement provides includes: a plurality of source electrode line；
A plurality of grid line, a plurality of source electrode line and a plurality of grid line define multiple pixels；An at least source drive unit is used
In providing data-signal to a plurality of source electrode line；An at least drive element of the grid, for being swept to a plurality of grid line offer
Retouch signal；Multiple pixel-driving circuits are electrically coupled to the multiple pixel, wherein each the multiple pixel-driving circuit packet
Include: Organic Light Emitting Diode, direct current high potential are input to the anode of the Organic Light Emitting Diode；The first transistor, it is described to sweep
The control terminal that signal is input to the first transistor is retouched, the data-signal is input to the input terminal of the first transistor；
Second transistor, the control terminal of the second transistor are electrically coupled to the output end of the first transistor；Third transistor,
Pulse signal is input to the control terminal of the third transistor, and detection signal is input to the input terminal of the third transistor, institute
The input terminal for stating third transistor is electrically coupled to the output end of the second transistor；And the 4th transistor, control signal
It is input to the control terminal of the 4th transistor, the input terminal of the 4th transistor is electrically coupled to the second transistor
The output end, direct current low potential are input to the output end of the 4th transistor.
In an embodiment, the pixel-driving circuit further comprises: storage capacitance is electrically coupled to described first
Between the output end of transistor and the output end of the second transistor.
In an embodiment, the pulse signal is used to start to detect or terminate to detect the threshold value electricity of the second transistor
At least one of pressure and mobility.
In an embodiment, the threshold voltage and mobility that the detection signal is used to detect the second transistor are extremely
Few one.
In an embodiment, the control signal goes to detect the second transistor for starting the third transistor
At least one of threshold voltage and mobility.
Compared to the prior art, it in the pixel-driving circuit and organic LED display device of this announcement, will use
In the third transistor of at least one of the threshold voltage and mobility for detecting the second transistor and the 4th transistor and fall
The Organic Light Emitting Diode for setting formula combines, and enables the organic LED display device to the threshold of the second transistor
At least one of threshold voltage and mobility are detected and are compensated.Furthermore the organic light-emitting diodes are formed in a manner of transfer
Pipe is simpler compared with existing processing procedure.
For the above content of this announcement can be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate institute's accompanying drawings, makees
Detailed description are as follows:
Detailed description of the invention
Fig. 1 shows the organic LED display device according to one embodiment of this announcement.
Fig. 2 shows the circuit diagram of the pixel-driving circuit according to one embodiment of this announcement.
Fig. 3 shows the schematic diagram of thin film transistor base plate and Organic Light Emitting Diode according to one embodiment of this announcement.
Specific embodiment
The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate this announcement with reference to additional schema
Example.
Referring to Fig. 1, Fig. 1 shows the organic LED display device according to one embodiment of this announcement.
The organic LED display device includes a plurality of source electrode line S1-SN, a plurality of gate lines G 1-GM, at least one
Source drive unit 10 (in figure show a source drive unit 10) and at least a drive element of the grid 12 (shows one in figure
A drive element of the grid 12).
The a plurality of source electrode line S1-SN simultaneously extends to the source drive unit 10.The a plurality of gate lines G 1-GM extends
To the drive element of the grid 12.The a plurality of source electrode line S1-SN is formed along a first direction.The a plurality of gate lines G 1-GM
It is formed along a second direction.The first direction is perpendicular to the second direction.The a plurality of source electrode line S1-SN and described a plurality of
Gate lines G 1-GM defines multiple pixels 14.
The source drive unit 10 is electrically connected to a plurality of source electrode line S1-SN and is used for a plurality of source electrode line
S1-SN provides data-signal, and the data-signal is for being written the pixel 14.
The drive element of the grid 12 is electrically connected to a plurality of gate lines G 1-GM and is used for a plurality of grid line
G1-GM provides scanning signal.
Fig. 1 and Fig. 2 is please referred to, Fig. 2 shows the circuit diagram of the pixel-driving circuit according to one embodiment of this announcement.
The pixel-driving circuit is used to drive a pixel 14 of Fig. 1.That is, the Organic Light Emitting Diode is aobvious
Showing device includes that multiple pixel-driving circuits are electrically coupled to the multiple pixel 14 and have a pair with the multiple pixel 14
One corresponding relationship.
The pixel-driving circuit includes Organic Light Emitting Diode D1, the first transistor T1, second transistor T2, third crystalline substance
Body pipe T3, the 4th transistor T4 and storage capacitance CS.
The scanning signal SS that the drive element of the grid 12 provides is input to the control terminal of the first transistor T1.It is described
The data-signal DS that source drive unit 10 provides is input to the input terminal of the first transistor T1.
The control terminal of the second transistor T2 is electrically coupled to the output end of the first transistor T1.
Direct current high potential OVDD is input to the anode 30 of the Organic Light Emitting Diode D1.The Organic Light Emitting Diode D1
Cathode 32 be electrically coupled to the input terminal of the second transistor T2.In the organic LED display device of this announcement,
The Organic Light Emitting Diode D1 is the Organic Light Emitting Diode (inverted OLED) of inversion type.That is, described organic
The anode 30 of light emitting diode D1 is set to the top (as shown in Figure 3) of cathode 32.In other words, the Organic Light Emitting Diode D1
It is electrically coupled between the direct current high potential OVDD and the input terminal of the second transistor T2.
Pulse signal SEN is input to the control terminal of the third transistor T3.It is brilliant that detection signal ES is input to the third
The input terminal of body pipe T3.The input terminal of the third transistor T3 is electrically coupled to the output end of the second transistor T2.Institute
Third transistor T3 is stated for detecting the threshold voltage (threshold voltage) and mobility of the second transistor T2
(mobility) at least one.The pulse signal SEN is used to start to detect or terminates to detect the second transistor T2's
At least one of threshold voltage (threshold voltage) and mobility (mobility).In an embodiment, the pulse
Signal SEN can be the scanning signal SS that the drive element of the grid 12 provides.The detection signal ES is for detecting described the
At least one of the threshold voltage of two-transistor T2 and mobility.
Control signal CTRL is input to the control terminal of the 4th transistor T4.The input terminal electricity of the 4th transistor T4
Property is coupled to the output end of the second transistor T2.Direct current low potential OVSS is input to the defeated of the 4th transistor T4
Outlet.The control signal CTRL goes to detect the threshold voltage of the second transistor T2 for starting the third transistor T3
And at least one of mobility.
The storage capacitance CS is electrically coupled to the output end and the second transistor of the first transistor T1
Between the output end of T2.The storage capacitance CS for storing the data-signal DS, when the first transistor T1 not
When conducting, the second transistor T2 can make the Organic Light Emitting Diode D1 maintain to shine.
When the organic LED display device normally shows image, the control signal CTRL is high potential,
The first transistor T1 and the 4th transistor T4 conducting, the voltage of node A are direct current low potential OVSS described in VA.It flows through
The electric current I=K ((VB-VA)-Vth) of the second transistor T22=K ((VB-OVSS)-Vth)2.Vth is second crystal
The threshold voltage of pipe T2.It can be seen from the above, the electric current I is not influenced by the voltage at the both ends the Organic Light Emitting Diode D1,
It is hereby ensured that the Organic Light Emitting Diode D1 is constant current state.
When the control signal CTRL is low potential, the 4th transistor T4 is not turned on.As the pulse signal SEN
When the third transistor T3 is connected, the detection signal ES detects the threshold voltage and mobility of the second transistor T2
At least one simultaneously stores detecting result.The organic LED display device can be compensated according to detecting result.
One of this announcement feature is the threshold voltage that will be used to detect the second transistor T2 and mobility at least
The third transistor T3 and the 4th transistor T4 of one are in conjunction with the Organic Light Emitting Diode D1 of inversion type, so that organic hair
Optical diode display device can at least one of the threshold voltage to the second transistor T2 and mobility detected and mended
It repays.It is well known for ordinary skill in the art as detecting and compensation process, does not add to repeat in this.
Referring to Fig. 3, Fig. 3 is shown according to the thin film transistor base plate of one embodiment of this announcement and Organic Light Emitting Diode
Schematic diagram.
Another feature of this announcement is that the Organic Light Emitting Diode D1 is made in the thin film transistor base plate 20
After the completion, it is formed in a manner of transfer on the thin film transistor base plate 20.The organic light emission is formed in a manner of transfer
Diode D1 is simpler compared with existing processing procedure.The processing procedure of the thin film transistor base plate 20 is those skilled in the art
It is known, do not add to repeat in this.
In the pixel-driving circuit and organic LED display device of this announcement, it is brilliant will to be used to detect described second
The organic light emission two of the threshold voltage of body pipe and the third transistor of at least one of mobility and the 4th transistor and inversion type
Pole pipe combines, and enables the organic LED display device to the threshold voltage of the second transistor and mobility
At least one is detected and is compensated.Furthermore the Organic Light Emitting Diode is formed in a manner of transfer more compared with existing processing procedure
Add simple.
Although above preferred embodiment is not to limit in conclusion this announcement is disclosed above with preferred embodiment
This announcement is made, those skilled in the art can make various changes and profit in the spirit and scope for not departing from this announcement
Decorations, therefore the protection scope of this announcement subjects to the scope of the claims.
Claims (10)
1. a kind of pixel-driving circuit characterized by comprising
Organic Light Emitting Diode, direct current high potential are input to the anode of the Organic Light Emitting Diode；
The first transistor, scanning signal are input to the control terminal of the first transistor, and it is brilliant that data-signal is input to described first
The input terminal of body pipe；
Second transistor, the control terminal of the second transistor are electrically coupled to the output end of the first transistor；
Third transistor, pulse signal are input to the control terminal of the third transistor, and it is brilliant that detection signal is input to the third
The input terminal of body pipe, the input terminal of the third transistor are electrically coupled to the output end of the second transistor；And
4th transistor, control signal are input to the control terminal of the 4th transistor, the input terminal electricity of the 4th transistor
Property is coupled to the output end of the second transistor, and direct current low potential is input to the output end of the 4th transistor.
2. pixel-driving circuit according to claim 1, which is characterized in that further comprise:
Storage capacitance is electrically coupled to the output end of the first transistor and the output end of the second transistor
Between.
3. pixel-driving circuit according to claim 1, which is characterized in that the pulse signal is for starting to detect or tie
Beam detect the second transistor threshold voltage and mobility at least one.
4. pixel-driving circuit according to claim 1, which is characterized in that the detection signal is for detecting described second
At least one of the threshold voltage of transistor and mobility.
5. pixel-driving circuit according to claim 1, which is characterized in that the control signal is for starting the third
Transistor goes to detect at least one of the threshold voltage of the second transistor and mobility.
6. a kind of organic LED display device characterized by comprising
A plurality of source electrode line；
A plurality of grid line, a plurality of source electrode line and a plurality of grid line define multiple pixels；
An at least source drive unit, for providing data-signal to a plurality of source electrode line；
An at least drive element of the grid, for providing scanning signal to a plurality of grid line；
Multiple pixel-driving circuits are electrically coupled to the multiple pixel,
Wherein each the multiple pixel-driving circuit includes:
Organic Light Emitting Diode, direct current high potential are input to the anode of the Organic Light Emitting Diode；
The first transistor, the scanning signal are input to the control terminal of the first transistor, and the data-signal is input to institute
State the input terminal of the first transistor；
Second transistor, the control terminal of the second transistor are electrically coupled to the output end of the first transistor；
Third transistor, pulse signal are input to the control terminal of the third transistor, and it is brilliant that detection signal is input to the third
The input terminal of body pipe, the input terminal of the third transistor are electrically coupled to the output end of the second transistor；And
4th transistor, control signal are input to the control terminal of the 4th transistor, the input terminal electricity of the 4th transistor
Property is coupled to the output end of the second transistor, and direct current low potential is input to the output end of the 4th transistor.
7. organic LED display device according to claim 6, which is characterized in that further comprise:
Storage capacitance is electrically coupled to the output end of the first transistor and the output end of the second transistor
Between.
8. organic LED display device according to claim 6, which is characterized in that the pulse signal is for opening
At least one of the threshold voltage and mobility of beginning detecting or the end detecting second transistor.
9. organic LED display device according to claim 6, which is characterized in that the detection signal is for detecing
Survey the second transistor threshold voltage and mobility at least one.
10. organic LED display device according to claim 6, which is characterized in that the control signal is used for
Start the third transistor go to detect the threshold voltage of the second transistor and mobility at least one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910392769.5A CN110223637A (en) | 2019-05-13 | 2019-05-13 | Pixel-driving circuit and organic LED display device |
| PCT/CN2019/116144 WO2020228267A1 (en) | 2019-05-13 | 2019-11-07 | Pixel driving circuit and organic light-emitting diode display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910392769.5A CN110223637A (en) | 2019-05-13 | 2019-05-13 | Pixel-driving circuit and organic LED display device |
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| Publication Number | Publication Date |
|---|---|
| CN110223637A true CN110223637A (en) | 2019-09-10 |
Family
ID=67820792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910392769.5A Pending CN110223637A (en) | 2019-05-13 | 2019-05-13 | Pixel-driving circuit and organic LED display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110223637A (en) |
| WO (1) | WO2020228267A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110910817A (en) * | 2019-11-13 | 2020-03-24 | Tcl华星光电技术有限公司 | Display driving circuit, working method thereof and display panel |
| CN111028775A (en) * | 2019-12-18 | 2020-04-17 | 深圳市华星光电半导体显示技术有限公司 | Pixel driving circuit, mobility correction method thereof and display device |
| CN111369935A (en) * | 2020-04-09 | 2020-07-03 | 深圳市华星光电半导体显示技术有限公司 | Pixel driving circuit and driving method thereof |
| CN111402789A (en) * | 2020-04-08 | 2020-07-10 | 深圳市华星光电半导体显示技术有限公司 | Pixel driving circuit and display panel |
| WO2020228267A1 (en) * | 2019-05-13 | 2020-11-19 | 深圳市华星光电半导体显示技术有限公司 | Pixel driving circuit and organic light-emitting diode display apparatus |
| US10957243B1 (en) | 2019-11-13 | 2021-03-23 | Tcl China Star Optoelectronics Technology Co., Ltd. | Display drive circuit, method for operating same, and display panel |
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| US10957243B1 (en) | 2019-11-13 | 2021-03-23 | Tcl China Star Optoelectronics Technology Co., Ltd. | Display drive circuit, method for operating same, and display panel |
| CN111028775A (en) * | 2019-12-18 | 2020-04-17 | 深圳市华星光电半导体显示技术有限公司 | Pixel driving circuit, mobility correction method thereof and display device |
| CN111028775B (en) * | 2019-12-18 | 2021-01-15 | 深圳市华星光电半导体显示技术有限公司 | Pixel driving circuit, mobility correction method thereof and display device |
| CN111402789A (en) * | 2020-04-08 | 2020-07-10 | 深圳市华星光电半导体显示技术有限公司 | Pixel driving circuit and display panel |
| WO2021203479A1 (en) * | 2020-04-08 | 2021-10-14 | 深圳市华星光电半导体显示技术有限公司 | Pixel driving circuit and display panel |
| CN111369935A (en) * | 2020-04-09 | 2020-07-03 | 深圳市华星光电半导体显示技术有限公司 | Pixel driving circuit and driving method thereof |
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|---|---|
| WO2020228267A1 (en) | 2020-11-19 |
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