CN110322836A - Pixel-driving circuit and display panel - Google Patents
Pixel-driving circuit and display panel Download PDFInfo
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- CN110322836A CN110322836A CN201910660819.3A CN201910660819A CN110322836A CN 110322836 A CN110322836 A CN 110322836A CN 201910660819 A CN201910660819 A CN 201910660819A CN 110322836 A CN110322836 A CN 110322836A
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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]
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Pixel-driving circuit and display panel provided by the embodiments of the present application, effective compensation is carried out to the threshold voltage of the driving transistor in each pixel using the pixel-driving circuit of 5T2C structure, and the driving circuit is compensated by obtaining initial threshold voltage and real time threshold voltage, the collocation structure of the pixel-driving circuit is relatively simple, better effect, to not need to occupy a large amount of areas in design.
Description
Technical field
This application involves field of display technology, and in particular to a kind of pixel-driving circuit and display panel.
Background technique
OLED (Organic Light Emitting Diode, Organic Light Emitting Diode) display panel have high brightness,
It the advantages that wide viewing angle, fast response time, low-power consumption, has been widely used in high-performance display field at present.Wherein, exist
In OLED display panel, pixel be configured to include multirow, multiple row it is rectangular, each pixel is generallyd use by two crystal
Guan Yuyi capacitor is constituted, and is commonly called as 2T1C circuit, but transistor has threshold voltage shift, and therefore, OLED pixel drives
Dynamic circuit needs corresponding collocation structure.Currently, the collocation structure of OLED pixel driving circuit is complex, in design layout
A large amount of areas are occupied, the design of high PPI (Pixels Per Inch, pixel density) display panel is unfavorable for.
Summary of the invention
The embodiment of the present application is designed to provide a kind of pixel-driving circuit and display panel, is able to solve existing picture
The collocation structure of plain driving circuit is complex, occupies a large amount of areas in design layout, and the bad technology of compensation effect is asked
Topic.
The embodiment of the present application provides a kind of pixel-driving circuit, comprising: storage capacitance module, light emitting module, data-signal
Input module and sensing module；
The storage capacitance module and first node, second node and third node are electrically connected, the light emitting module
It is electrically connected with the first node, the second node and the third node, the data-signal input module and institute
First node electric connection is stated, the sensing module and the second node are electrically connected；
The storage capacitance module is for storing the current potential of the first node, the current potential of the second node and described
The current potential of third node；
Light emitting module access first control signal and second control signal, for the first control signal,
It shines under the second control signal and the control of Electric potentials of the first node；
The data-signal input module access third control signal and data-signal, believe for controlling in the third
Number control under, output the data signal to the first node；
The 4th control signal of sensing module access, under the control for controlling signal the described 4th, described in detection
The initial threshold voltage of light emitting module；
Wherein, the data-signal input module is also used under the control that the third controls signal, according to described first
Beginning threshold voltage exports the compensated data-signal to the first node.
In pixel-driving circuit described herein, the storage capacitance module includes first capacitor and the second electricity
Hold；
The first end of the first capacitor and the first node are electrically connected, the second end of the first capacitor with it is described
Second node is electrically connected；
The first end of second capacitor and the third node are electrically connected, the second end of second capacitor with it is described
Second node is electrically connected.
In pixel-driving circuit described herein, the light emitting module includes the first transistor, second transistor,
Three transistors and luminescent device；
The grid of the first transistor is electrically connected at the first control signal, the source electrode electricity of the first transistor
Property is connected to the first power supply signal, and the drain electrode of the first transistor is electrically connected at the source electrode of the second transistor；
The grid of the second transistor is electrically connected at the first node, and the drain electrode of the second transistor electrically connects
It is connected to the second node；
The grid of the third transistor is electrically connected at the second control signal, the source electrode electricity of the third transistor
Property is connected to the second node, and the drain electrode of the third transistor is electrically connected at the anode of the luminescent device；
The cathode of the luminescent device is electrically connected at second source signal.
In pixel-driving circuit described herein, the data-signal input module includes the 4th transistor；
The grid of 4th transistor is electrically connected at the third control signal, the source electrode electricity of the 4th transistor
Property is connected to the data-signal, and the drain electrode of the 4th transistor is electrically connected at the first node.
In pixel-driving circuit described herein, the sensing module includes the 5th transistor；
The grid of 5th transistor is electrically connected at the 4th control signal, the source electrode electricity of the 5th transistor
Property is connected to voltage detection module, and the drain electrode of the 5th transistor is electrically connected at the second node；The voltage detection
Module is for exporting an initial voltage to the second node, or described in the potentiometer by detecting the second node calculates
Initial threshold voltage.
In pixel-driving circuit described herein, the first transistor, the second transistor, the third are brilliant
Body pipe, the 4th transistor and the 5th transistor are that low-temperature polysilicon film transistor, oxide semiconductor are thin
Film transistor or amorphous silicon film transistor.
In pixel-driving circuit described herein, the timing of the pixel-driving circuit includes at initial threshold voltage
Reason stage and real time threshold voltage processing stage；
The initial threshold voltage processing stage includes the first initial phase and sensing stage；It is initial described first
Change stage, the first control signal, the second control signal, third control signal and the 4th control signal
It is high potential, the reference potential of the data-signal is exported to the first node, and the initial voltage is exported to described
Two nodes；In the sensing stage, the first control signal, the second control signal, the third control signal and
The 4th control signal is high potential, and the reference potential of the data-signal is continued to output to the first node, described
Voltage detection module calculates the initial threshold voltage by detecting the potentiometer of the second node；
The real time threshold voltage processing stage includes the second initial phase, real time threshold voltage acquisition phase, compensation
Stage and light emitting phase；It is the first control signal, the second control signal, described in second initial phase
It is high potential that third, which controls signal and the 4th control signal, and the compensated reference signal is exported to described, benefit
The initial voltage after repaying is exported to the second node；
In the real time threshold voltage detection stage, the second control signal and third control signal are height
Current potential, the first control signal and the 4th control signal are low potential, and the compensated reference signal continues
Output is to the first node, due to the effect of the first capacitor and second capacitor, the current potential of the second node
Corresponding change is until the second transistor is closed；
In the compensated stage, the third control signal is high potential, the first control signal, second control
Signal and it is described 4th control signal be low potential, the data-signal by the compensated reference potential jump to
It shows current potential and exports to the first node, due to capacitance coupling effect, the current potential of the second node also corresponding change；
In the light emitting phase, the first control signal and the second control signal are high potential, institute's third
Controlling signal and the 4th control signal is low potential, and the light emitting module carries out luminous.
In pixel-driving circuit described herein, the first control signal, the second control signal, described
Three control signals and the 4th control signal are provided by external timing device.
The embodiment of the present application also provides a kind of display panel, including above-described pixel-driving circuit.
Pixel-driving circuit and display panel provided by the embodiments of the present application, using the pixel-driving circuit pair of 5T2C structure
The threshold voltage of second transistor in each pixel carries out effective compensation, and by obtaining initial threshold voltage and real-time threshold
Threshold voltage compensates the driving circuit, and the collocation structure of the pixel-driving circuit is relatively simple, better effect, thus setting
Timing does not need to occupy a large amount of areas.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram of pixel-driving circuit provided by the embodiments of the present application；
Fig. 2 is the circuit diagram of pixel-driving circuit provided by the embodiments of the present application；
Fig. 3 is the timing diagram of the initial threshold voltage processing stage for the pixel-driving circuit for applying for that embodiment provides；And
Fig. 4 is the timing diagram of the real time threshold voltage processing stage for the pixel-driving circuit for applying for that embodiment provides.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description.Obviously, described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall in the protection scope of this application.
All transistors used in the examples of the application can be thin film transistor (TFT) or field-effect tube or other characteristic phases
Same device, since the source electrode of the transistor used here, drain electrode are symmetrical, so its source electrode, drain electrode can be interchanged.
In the embodiment of the present application, to distinguish the two poles of the earth of transistor in addition to grid, wherein source electrode will be known as in a pole, another pole is known as leaking
Pole.Intermediate ends by the form prescribed switch transistor in attached drawing are grid, signal input part is source electrode, output end is drain electrode.
Furthermore transistor used by the embodiment of the present application may include P-type transistor and/or two kinds of N-type transistor, wherein p-type is brilliant
Body pipe is connected when grid is low level, ends when grid is high level, and N-type transistor is to lead when grid is high level
It is logical, end when grid is low level.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of pixel-driving circuit provided by the embodiments of the present application.As shown in Figure 1,
Pixel-driving circuit 10 provided by the embodiments of the present application, comprising: storage capacitance module 101, light emitting module 102, data-signal are defeated
Enter module 103 and sensing module 104.Storage capacitance module 101 and first node a, second node b and third node c electricity
Property connection, light emitting module 102 and first node a, second node b and third node c be electrically connected, data-signal input module
103 are electrically connected with first node a, and sensing module 104 and second node b are electrically connected.
Storage capacitance module 101 is for storing the current potential of first node a, the current potential of second node b and third node c
Current potential.Light emitting module 102 accesses first control signal S1 and second control signal S2, in first control signal S1, the
It shines under the control of Electric potentials of two control signal S2 and first node a.Data-signal input module 103 accesses third and controls signal
S3 and data-signal Data, under the control of third control signal S3, data-signal Data to be exported to first node
a.The 4th control signal S4 of the access of sensing module 104, for detecting light emitting module 102 under the control of the 4th control signal S4
Initial threshold voltage Vth0.Wherein, data-signal input module 103 is also used under the control that third controls signal S3, root
Compensated data-signal Data is exported to first node a according to initial threshold voltage Vth0.
Specifically, referring to Fig. 2, Fig. 2 is the circuit diagram of pixel-driving circuit provided by the embodiments of the present application.Such as figure
Shown in 2, storage capacitance module 101 includes first capacitor C1 and the second capacitor C2.The first end and first segment of first capacitor C1
Point a is electrically connected, and the second end and second node b of first capacitor C1 is electrically connected.The first end and third section of second capacitor C2
Point c is electrically connected, and the second end and second node b of the second capacitor C2 is electrically connected.
Light emitting module 102 includes the first transistor T1, second transistor T2, third transistor T3 and luminescent device D.The
The grid of one transistor T1 is electrically connected at first control signal S1, and the source electrode of the first transistor T1 is electrically connected at the first power supply
The drain electrode of signal VDD, the first transistor T1 are electrically connected at the source electrode of second transistor T2.The grid of second transistor T2 is electrical
It is connected to first node a, the drain electrode of second transistor T2 is electrically connected at second node b.The grid of third transistor T3 is electrical
It is connected to second control signal S2, the source electrode of third transistor T3 is electrically connected at second node b, the drain electrode of third transistor T3
It is electrically connected at the anode of luminescent device D.The cathode of luminescent device D is electrically connected at second source signal VSS.
Data-signal input module 103 includes the 4th transistor T4.The grid of 4th transistor T4 is electrically connected at third
Signal S3 is controlled, the source electrode of the 4th transistor T4 is electrically connected at data-signal Data, and the drain electrode of the 4th transistor T4 electrically connects
It is connected to first node a.
Sensing module 104 includes the 5th transistor T5.The grid of 5th transistor T5 is electrically connected at the 4th control signal
S4, the source electrode of the 5th transistor T5 are electrically connected at voltage detection module 105, and the drain electrode of the 5th transistor T5 is electrically connected at
Two node b；Voltage detection module 105 is for output one initial voltage Vsensing to second node b, or passes through detection second
The potentiometer of node b calculates initial threshold voltage Vth0.
In some embodiments, luminescent device D can be Organic Light Emitting Diode.That is, the embodiment of the present application uses
The pixel-driving circuit of 5T2C structure carries out effective compensation to the threshold voltage of the second transistor T2 in each pixel, used compared with
Few component, simple and stable structure have saved cost.
In some embodiments, the first power supply signal VDD and second source signal VSS is used to one predeterminated voltage of output
Value.In addition, in the embodiment of the present application, the voltage value of the output of the first power supply signal VDD is exported greater than second source signal VSS
Voltage value.
In some embodiments, the first transistor T1, second transistor T2, third transistor T3, the 4th transistor T4 with
And the 5th transistor T5 be low-temperature polysilicon film transistor, oxide semiconductor thin-film transistor or amorphous silicon membrane crystal
Pipe.Transistor in pixel-driving circuit provided by the embodiments of the present application is same type of transistor, to avoid difference
Otherness between the transistor of type is influenced caused by pixel-driving circuit.
In some embodiments, first control signal S1, second control signal S2, the third control of control signal S3 and the 4th
Signal S4 processed is provided by external timing device.
Further, referring to Fig. 3, Fig. 3 is at the initial threshold voltage for the pixel-driving circuit for applying for that embodiment provides
The timing diagram in reason stage.In conjunction with shown in Fig. 2, Fig. 3, the pixel-driving circuit of the embodiment of the present application includes initial threshold voltage processing
Stage.The initial threshold voltage processing stage includes the first initial phase t1 and sensing stage t2.Rank is initialized first
Section t1, first control signal S1, second control signal S2, the third control of control signal S3 and the 4th signal S4 are high electricity
Position, the reference potential Vref of data-signal Data are exported to first node a, initial voltage Vsensing and are exported to second node b；
It is equal in sensing stage t2, first control signal S1, second control signal S2, the third control of control signal S3 and the 4th signal S4
For high potential, the reference potential Vref of data-signal Data is continued to output to first node a, and voltage detection module 105 passes through spy
The potentiometer for surveying second node b calculates initial threshold voltage Vth0.
Referring to Fig. 4, Fig. 4 be apply real time threshold voltage processing stage of pixel-driving circuit that embodiment provides when
Sequence figure.In conjunction with shown in Fig. 2, Fig. 4, the pixel-driving circuit of the embodiment of the present application includes real time threshold voltage processing stage.The reality
When threshold voltage processing stage include the second initial phase t3, real time threshold voltage acquisition phase t4, compensated stage t5 and
Light emitting phase t6.In the second initial phase t3, first control signal S1, second control signal S2, third control signal S3 with
And the 4th control signal S4 be high potential, compensated reference signal Data is exported to first node a, at this point, first node a
Current potential be Vref+Vth0, initial voltage Vsensing exports to second node b.In real time threshold voltage detection stage t4,
Two control signal S2 and third control signal S3 are high potential, and the control of first control signal S1 and the 4th signal S4 is
Low potential, compensated reference signal Data are continued to output to first node a, due to first capacitor C1's and the second capacitor C2
Effect, the current potential corresponding change of second node b is until second transistor T2 is closed.In compensated stage t5, third controls signal S3
For high potential, first control signal S1, second control signal S2 and the 4th control signal S4 are low potential, data-signal
The jump of Data is simultaneously exported to first node a to display current potential Vdata+Vth0, due to capacitance coupling effect, second node b's
Current potential also corresponding change.It is high potential in light emitting phase t6, first control signal S1 and second control signal S2, institute's third
Controlling the control of signal S3 and the 4th signal S4 is low potential, and light emitting module 102 carries out luminous.
Therefore, the electric current of luminescent device and the threshold voltage of second transistor are unrelated, realize compensation function, luminescent device
It shines, and the electric current for flowing through luminescent device is unrelated with the threshold voltage of second transistor.
The embodiment of the present application also provides a kind of display panel comprising above pixel-driving circuit, specifically can refer to
On description to the pixel-driving circuit, this will not be repeated here.
Pixel-driving circuit and display panel provided by the embodiments of the present application, using the pixel-driving circuit pair of 5T2C structure
The threshold voltage of driving transistor in each pixel carries out effective compensation, and by obtaining initial threshold voltage and real-time threshold
Threshold voltage compensates the driving circuit, and the collocation structure of the pixel-driving circuit is relatively simple, better effect, thus setting
Timing does not need to occupy a large amount of areas.
The above is only the embodiment of the present invention, are not intended to limit the scope of the invention, all to be said using the present invention
Equivalent structure or equivalent flow shift made by bright book and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (9)
1. a kind of pixel-driving circuit characterized by comprising storage capacitance module, light emitting module, data-signal input module
And sensing module；
The storage capacitance module and first node, second node and third node are electrically connected, the light emitting module and institute
State first node, the second node and the third node are electrically connected, the data-signal input module and described the
One node is electrically connected, and the sensing module and the second node are electrically connected；
The storage capacitance module is for storing the current potential of the first node, the current potential of the second node and the third
The current potential of node；
Light emitting module access first control signal and second control signal, in the first control signal, described
It shines under second control signal and the control of Electric potentials of the first node；
The data-signal input module access third control signal and data-signal, in third control signal
Under control, the first node is output the data signal to；
The 4th control signal of sensing module access, for detecting described shine under the control of the 4th control signal
The initial threshold voltage of module；
Wherein, the data-signal input module is also used under the control that the third controls signal, according to the initial threshold
Threshold voltage exports the compensated data-signal to the first node.
2. pixel-driving circuit according to claim 1, which is characterized in that the storage capacitance module includes first capacitor
And second capacitor；
The first end of the first capacitor and the first node are electrically connected, the second end of the first capacitor and described second
Node is electrically connected；
The first end of second capacitor and the third node are electrically connected, the second end of second capacitor and described second
Node is electrically connected.
3. pixel-driving circuit according to claim 2, which is characterized in that the light emitting module include the first transistor,
Second transistor, third transistor and luminescent device；
The grid of the first transistor is electrically connected at the first control signal, and the source electrode of the first transistor electrically connects
It is connected to the first power supply signal, the drain electrode of the first transistor is electrically connected at the source electrode of the second transistor；
The grid of the second transistor is electrically connected at the first node, and the drain electrode of the second transistor is electrically connected at
The second node；
The grid of the third transistor is electrically connected at the second control signal, and the source electrode of the third transistor electrically connects
It is connected to the second node, the drain electrode of the third transistor is electrically connected at the anode of the luminescent device；
The cathode of the luminescent device is electrically connected at second source signal.
4. pixel-driving circuit according to claim 3, which is characterized in that the data-signal input module includes the 4th
Transistor；
The grid of 4th transistor is electrically connected at the third control signal, and the source electrode of the 4th transistor electrically connects
It is connected to the data-signal, the drain electrode of the 4th transistor is electrically connected at the first node.
5. pixel-driving circuit according to claim 4, which is characterized in that the sensing module includes the 5th transistor；
The grid of 5th transistor is electrically connected at the 4th control signal, and the source electrode of the 5th transistor electrically connects
It is connected to voltage detection module, the drain electrode of the 5th transistor is electrically connected at the second node；The voltage detection module
It is described initial to the second node, or the calculating of the potentiometer by detecting the second node for exporting an initial voltage
Threshold voltage.
6. pixel-driving circuit according to claim 5, which is characterized in that the first transistor, second crystal
Pipe, the third transistor, the 4th transistor and the 5th transistor are low-temperature polysilicon film transistor, oxygen
Compound semiconductor thin-film transistor or amorphous silicon film transistor.
7. pixel-driving circuit according to claim 5, which is characterized in that the timing of the pixel-driving circuit includes just
Threshold voltage processing stage beginning and real time threshold voltage processing stage；
The initial threshold voltage processing stage includes the first initial phase and sensing stage；In the first initialization rank
Section, the first control signal, the second control signal, third control signal and the 4th control signal are
High potential, the reference potential of the data-signal are exported to the first node, and the initial voltage is exported to second section
Point；In the sensing stage, the first control signal, the second control signal, third control signal and described
4th control signal is high potential, and the reference potential of the data-signal is continued to output to the first node, the voltage
Detecting module calculates the initial threshold voltage by detecting the potentiometer of the second node；
The real time threshold voltage processing stage includes the second initial phase, real time threshold voltage acquisition phase, compensated stage
And light emitting phase；In second initial phase, the first control signal, the second control signal, the third
Controlling signal and the 4th control signal is high potential, and the compensated reference signal is exported to described, after compensation
The initial voltage export to the second node；
In the real time threshold voltage detection stage, the second control signal and third control signal are high electricity
Position, the first control signal and the 4th control signal are low potential, and the compensated reference signal continues defeated
Out to the first node, due to the effect of the first capacitor and second capacitor, the current potential phase of the second node
It should change until the second transistor is closed；
In the compensated stage, the third control signal is high potential, the first control signal, the second control signal
And the 4th control signal is low potential, the data-signal is jumped by the compensated reference potential to display
Current potential is simultaneously exported to the first node, due to capacitance coupling effect, the current potential of the second node also corresponding change；
In the light emitting phase, the first control signal and the second control signal are high potential, the control of institute's third
Signal and the 4th control signal are low potential, and the light emitting module carries out luminous.
8. pixel-driving circuit according to claim 1, which is characterized in that the first control signal, second control
Signal, third control signal and the 4th control signal processed are provided by external timing device.
9. a kind of display panel, which is characterized in that including the described in any item pixel-driving circuits of claim 1-8.
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| CN201910660819.3A CN110322836A (en) | 2019-07-22 | 2019-07-22 | Pixel-driving circuit and display panel |
| PCT/CN2019/112695 WO2021012430A1 (en) | 2019-07-22 | 2019-10-23 | Pixel drive circuit and display panel |
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| CN201910660819.3A CN110322836A (en) | 2019-07-22 | 2019-07-22 | Pixel-driving circuit and display panel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111063294A (en) * | 2019-12-20 | 2020-04-24 | 深圳市华星光电半导体显示技术有限公司 | Pixel driving circuit and display panel |
| CN111583860A (en) * | 2020-05-12 | 2020-08-25 | 武汉华星光电半导体显示技术有限公司 | OLED display panel |
| WO2021012430A1 (en) * | 2019-07-22 | 2021-01-28 | 深圳市华星光电半导体显示技术有限公司 | Pixel drive circuit and display panel |
| CN113112957A (en) * | 2021-04-27 | 2021-07-13 | 深圳市华星光电半导体显示技术有限公司 | Display panel driving method and display panel |
| CN114120910A (en) * | 2021-12-13 | 2022-03-01 | 深圳市华星光电半导体显示技术有限公司 | Pixel compensation driving circuit and display panel |
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| WO2021012430A1 (en) * | 2019-07-22 | 2021-01-28 | 深圳市华星光电半导体显示技术有限公司 | Pixel drive circuit and display panel |
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| CN111583860A (en) * | 2020-05-12 | 2020-08-25 | 武汉华星光电半导体显示技术有限公司 | OLED display panel |
| WO2021227167A1 (en) * | 2020-05-12 | 2021-11-18 | 武汉华星光电半导体显示技术有限公司 | Oled display panel and display device |
| US11462160B2 (en) | 2020-05-12 | 2022-10-04 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Organic light emitting diode display panel and display device |
| CN113112957A (en) * | 2021-04-27 | 2021-07-13 | 深圳市华星光电半导体显示技术有限公司 | Display panel driving method and display panel |
| CN114120910A (en) * | 2021-12-13 | 2022-03-01 | 深圳市华星光电半导体显示技术有限公司 | Pixel compensation driving circuit and display panel |
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| WO2021012430A1 (en) | 2021-01-28 |
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