CN111326122A - Driving circuit and driving device of display panel and display device - Google Patents
Driving circuit and driving device of display panel and display device Download PDFInfo
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- CN111326122A CN111326122A CN201811532367.2A CN201811532367A CN111326122A CN 111326122 A CN111326122 A CN 111326122A CN 201811532367 A CN201811532367 A CN 201811532367A CN 111326122 A CN111326122 A CN 111326122A
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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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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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
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
Abstract
The application provides a drive circuit of display panel, drive arrangement and display device, through being connected first signal output part and first public electrode with first pixel switch unit, the second signal output part and the second public electrode of first pixel switch unit are connected, the first signal output part and the first public electrode of second pixel switch unit are connected, the second signal output part and the second public electrode of second pixel switch unit are connected, and the signal output part and the third public electrode of second pixel auxiliary switch unit are connected, can make in array test process, avoid the phenomenon of signal short circuit because of the reason of manufacturing process, the efficiency of array detection to the pixel unit based on three electronic switch tubes has been promoted.
Description
Technical Field
The embodiment of the application belongs to the technical field of display, and particularly relates to a driving circuit, a driving device and a display device of a display panel.
Background
With the development of display technology, display devices such as liquid crystal panels and displays are becoming thinner, larger in screen size, lower in power consumption and lower in cost. The liquid crystal display panel is generally composed of a color filter substrate, an electronic switch tube array substrate and a liquid crystal layer arranged between the two substrates, and pixel electrodes and a common electrode are respectively arranged on the opposite inner sides of the two substrates, and the liquid crystal display panel can control the liquid crystal molecules to change the direction by applying voltage, refract the light of the backlight module, and achieve the function of displaying images by the liquid crystal panel. The problem of gray scale whitening in a large viewing angle can be effectively suppressed, a pixel is generally divided into a main pixel and a sub-pixel, and power is supplied through three electronic switching tubes.
However, under three electronic switching tubes, the transistors for releasing the capacitors usually generate odd data, even data, or short circuit due to the manufacturing process, which greatly affects the efficiency of the array inspection.
Disclosure of Invention
The embodiment of the application provides a pixel driving circuit, which aims to eliminate the phenomenon that a transistor releasing a capacitor generates an odd data number, an even data number or a short circuit due to a manufacturing process and improve the array detection efficiency.
The present application is realized in such a manner that a pixel driving circuit is connected to a pixel unit including a main area pixel and a sub area pixel, the pixel driving circuit includes:
a first common electrode;
a second common electrode;
a third common electrode;
a first pixel switch unit for driving the main area pixel, a first signal output terminal of the first pixel switch unit being connected to the first common electrode, and a second signal output terminal of the first pixel switch unit being connected to the second common electrode;
the second pixel switch unit is used for driving the secondary area pixels, a first signal output end of the second pixel switch unit is connected with the first common electrode, a second signal output end of the second pixel switch unit is connected with the second common electrode, and a signal input end of the second pixel switch unit is connected with a signal input end of the first pixel switch unit in a common mode and used for receiving data signals; and
and the signal input end of the second pixel auxiliary switch unit is connected with the third signal output end of the second pixel switch unit, the signal output end of the second pixel auxiliary switch unit is connected with the third common electrode, and the control end of the second pixel auxiliary switch unit, the control end of the first pixel switch unit and the control end of the second pixel switch unit are connected in common and used for receiving the scanning signal.
In one embodiment, the first pixel switching unit includes:
a first liquid crystal capacitor;
a first storage capacitor; and
the current input end of the first switch tube is used as the signal input end of the first pixel switch unit, the control end of the first switch tube is used as the control end of the first pixel switch unit, the signal output end of the first switch tube, the first end of the first liquid crystal capacitor and the first end of the first storage capacitor are connected in common, the second end of the first storage capacitor is connected with the first common electrode, and the second end of the first liquid crystal capacitor is connected with the second common electrode.
In one embodiment, the first switch tube is an electronic switch tube;
the current input end of the electronic switch tube is used as the signal input end of the first switch tube, the control end of the electronic switch tube is used as the control end of the first switch tube, and the current output end of the electronic switch tube is used as the signal output end of the first switch tube.
In one embodiment, the second pixel switching unit includes:
a second liquid crystal capacitor;
a second storage capacitor; and
the signal input end of the second switch tube is connected with the data line, the control end of the second switch tube is connected with the scanning line, the signal output end of the second switch tube, the first end of the second liquid crystal capacitor and the first end of the second storage capacitor are connected in common, the second end of the second storage capacitor is connected with the first common electrode, and the second end of the second liquid crystal capacitor is connected with the second common electrode.
In one embodiment, the second switch tube is an electronic switch tube;
the current input end of the electronic switch tube is used as the signal input end of the second switch tube, the control end of the electronic switch tube is used as the control end of the second switch tube, and the current output end of the electronic switch tube is used as the signal output end of the second switch tube.
In one embodiment, the second pixel auxiliary switching unit includes:
and a signal input end of the third switching tube is used as a signal input end of the second pixel auxiliary switching unit, a control end of the third switching tube is used as a control end of the second pixel auxiliary switching unit, and a signal output end of the third switching tube is used as a signal output end of the second pixel auxiliary switching unit.
In one embodiment, a third capacitor is further disposed between the signal output terminal of the second pixel auxiliary switch unit and the third common electrode;
and the signal output end of the second pixel auxiliary switch unit is connected with the first end of the third capacitor, and the second end of the third capacitor is connected with the third common electrode.
Another object of the present application is to provide a driving apparatus of a display panel, connected to the display panel, the driving apparatus including a plurality of driving modules, the driving modules including the pixel driving circuit as described in any one of the above.
In one embodiment, the driving device further comprises:
a plurality of rows of scanning lines; and
a plurality of rows of data lines;
the driving modules are arranged in an array mode, the driving module in the Mth row is connected with the scanning line in the Mth row, the driving module in the Nth row is connected with the data line in the Nth row, wherein N is larger than or equal to 1 and is a positive integer, M is larger than or equal to 1 and is a positive integer.
It is still another object of the present application to provide a display device including:
a display panel; and
a control unit, wherein the control unit is electrically connected to the display panel, and the control unit includes the pixel driving circuit according to any one of the above descriptions.
The embodiment of the application provides a pixel driving circuit, a driving device and a display device, a first signal output end of a first pixel switch unit is connected with a first common electrode, a second signal output end of the first pixel switch unit is connected with a second common electrode, a first signal output end of a second pixel switch unit is connected with the first common electrode, a second signal output end of the second pixel switch unit is connected with the second common electrode, and a signal output end of a second pixel auxiliary switch unit is connected with a third common electrode.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pixel driving circuit in a driving circuit of a display panel according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a pixel driving circuit in a driving circuit of a display panel provided in another embodiment of the present application;
fig. 3 is a schematic circuit structure diagram of a pixel driving circuit in a driving circuit of a display panel according to another embodiment of the present application;
fig. 4 is a block diagram of a display device according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the drawings described above, are intended to cover non-exclusive inclusions. For example, a process, method, or system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. Furthermore, the terms "first," "second," and "third," etc. are used to distinguish between different objects and are not used to describe a particular order.
The liquid crystal display panel is generally composed of a color filter substrate, an electronic switch tube array substrate and a liquid crystal layer disposed between the two substrates, and pixel electrodes and a common electrode are respectively disposed on opposite inner sides of the two substrates, and the liquid crystal display panel refracts light from the backlight module to generate a picture by applying a voltage to control the liquid crystal molecules to change directions. The liquid crystal display includes a plurality of display modes such as Twisted Nematic (TN), Vertical Alignment (VA), and the like, wherein the VA mode is a common display mode having advantages of high contrast, wide viewing angle, no rubbing Alignment, and the like. However, since the VA mode employs vertically rotating liquid crystal, the difference of birefringence of liquid crystal molecules is large, which causes a problem of color shift (color shift) under a large viewing angle to be serious.
In order to improve the viewing angle performance of the panel, the VA mode display panel is usually designed with low color shift, generally by adding sub-pixels in a pixel, wherein a pixel may include 4 sub-pixels, if a pixel is divided into a main pixel and a sub-pixel, the main pixel includes 4 sub-pixels, and the sub-pixel includes 4 sub-pixels, in which case, a pixel includes 8 sub-pixels, when a pixel is divided into a main pixel and a sub-pixel, at least 2 pixel switch units are required to supply power to the pixel, when a scan signal on a scan line is turned on, a first pixel switch unit for driving the main pixel transfers charge to the main pixel, a second pixel switch unit for driving the sub-pixel transfers charge to the sub-pixel, when a scan signal received by a scan line is turned off, a second pixel auxiliary switch unit is turned on, and at this time, a part of charge in the sub-pixel is released to a second auxiliary pixel switch unit, therefore, potential difference occurs between the pixels in the main area and the pixels in the secondary area, and the inclination angles of liquid crystal molecules are different, so that the effect of reducing color cast is achieved.
An embodiment of the present application provides a pixel driving circuit connected to a pixel unit, wherein the pixel unit includes a main area pixel and a sub area pixel, and the pixel driving circuit drives the main area pixel and the sub area pixel according to a scan signal and a data signal received.
Fig. 1 is a schematic structural diagram of a pixel driving circuit in an embodiment of the present application. As shown in fig. 1, the pixel driving circuit includes:
a first common electrode 11;
the second common electrode 21;
the third common electrode 31;
a first pixel switching unit 10 for driving the main area pixels, a first signal output terminal of the first pixel switching unit 10 being connected to the first common electrode 11, and a second signal output terminal of the first pixel switching unit 10 being connected to the second common electrode 21;
a second pixel switch unit 20 for driving the sub-area pixels, a first signal output terminal of the second pixel switch unit 20 being connected to the first common electrode 11, a second signal output terminal of the second pixel switch unit 20 being connected to the second common electrode 21, a signal input terminal of the second pixel switch unit 20 being commonly connected to a signal input terminal of the first pixel switch unit 10 and receiving the data signal; and
and a second pixel auxiliary switch unit 30 for releasing charges in the second pixel switch unit 20, wherein a signal input terminal of the second pixel auxiliary switch unit 30 is connected to a third signal output terminal of the second pixel switch unit 20, a signal output terminal of the second pixel auxiliary switch unit 30 is connected to a third common electrode 31, and a control terminal of the second pixel auxiliary switch unit 30, a control terminal of the first pixel switch unit 10, and a control terminal of the second pixel switch unit are connected in common and used for receiving a scan signal.
In this embodiment, by connecting the third common electrode 31 to a signal different from that on the first common electrode 11, the phenomenon of odd data, even data, or short circuit of the transistor releasing the capacitance due to the manufacturing process can be eliminated, and the array detection efficiency can be improved.
In one embodiment, the signal a Com on the first common electrode 11 is directly connected to the pixel, so that the potential of the signal a Com on the first common electrode 11 can directly affect the common voltage of the sub-pixel, thereby causing crosstalk and image retention, and the signal on the third common electrode 31 is different from the signal on the first common electrode, so that the voltage of the second pixel switching unit 20 can be adjusted, thereby avoiding abnormal error reporting due to process problems.
In one embodiment, the third common electrode 31 connected to the signal output terminal of the third pixel switch 30 is different from the first common electrode 11, and at this time, the third common electrode 31 is independently routed, so that signals on the common electrode on the display panel are not interfered with each other, and the crosstalk phenomenon of the pixel array on the display panel is improved.
In one embodiment, the third common electrode 31 is at a different potential than the first common electrode 11.
Fig. 2 is a schematic structural diagram of a pixel driving circuit in a driving circuit of a display panel provided in another embodiment of the present application. As shown in fig. 2, in the present embodiment, the first pixel switching unit 10 includes: a first liquid crystal capacitor Clc1, a first storage capacitor Cst1, and a first switching tube 101, wherein a signal input terminal of the first switching tube 101 is connected to the data line, a control terminal of the first switching tube 101 is connected to the scan line, a signal output terminal of the first switching tube 101, a first terminal of the first liquid crystal capacitor Clc1, and a first terminal of the first storage capacitor Cst1 are connected in common, a second terminal of the first storage capacitor Cst1 is connected to the first common electrode 11, and a second terminal of the first liquid crystal capacitor Clc1 is connected to the second common electrode 21.
Referring to fig. 2, in one embodiment, the second pixel switching unit 20 includes: a second liquid crystal capacitor Clc2, a second storage capacitor Cst2, and a second switching tube 201, wherein a signal input terminal of the second switching tube 201 is connected to the data line, a control terminal of the second switching tube 201 is connected to the scan line, a signal output terminal of the second switching tube 201, a first terminal of the second liquid crystal capacitor Clc2, and a first terminal of the second storage capacitor Cst2 are connected in common, a second terminal of the second storage capacitor Cst2 is connected to the first common electrode 11, and a second terminal of the second liquid crystal capacitor Clc2 is connected to the second common electrode 21.
Fig. 3 is a schematic circuit structure diagram of a pixel driving circuit in a driving circuit of a display panel according to another embodiment of the present application. As shown in fig. 3, in an embodiment, the first switch tube 101 may be an electronic switch tube T1, and specifically, the current input terminal of the electronic switch tube T1 serves as the signal input terminal of the first switch tube 101, the control terminal of the electronic switch tube T1 serves as the control terminal of the first switch tube 101, and the current output terminal of the electronic switch tube T1 serves as the signal output terminal of the first switch tube 101.
In one embodiment, the gate of the electronic switch T1 is connected to the scan line, the drain thereof is connected to the data line, and the source thereof is used as the signal output terminal of the first switch 101.
In one embodiment, the electronic switch T1 may be any one of a polysilicon thin film transistor, an amorphous silicon thin film transistor, a zinc oxide-based thin film transistor, or an organic thin film transistor.
As shown in fig. 3, the second switch transistor 201 may be an electronic switch transistor T2, wherein a signal input terminal of the electronic switch transistor T2 serves as a signal input terminal of the second switch transistor 201, a control terminal of the electronic switch transistor T2 serves as a control terminal of the second switch transistor 201, and a signal output terminal of the electronic switch transistor T2 serves as a signal output terminal of the second switch transistor 201.
In one embodiment, the gate of the electronic switch T2 is connected to the scan line, the drain thereof is connected to the data line, and the source thereof is used as the signal output terminal of the second switch 201.
In one embodiment, the electronic switch tube may be any one of a polysilicon thin film transistor, an amorphous silicon thin film transistor, a zinc oxide-based thin film transistor, or an organic thin film transistor.
In one embodiment, the second pixel auxiliary switching unit 30 includes: a third switching tube 301, wherein a signal input terminal of the third switching tube 301 serves as a signal input terminal of the second pixel auxiliary switching unit 30, a control terminal of the third switching tube 301 serves as a control terminal of the second pixel auxiliary switching unit 30, and a signal output terminal of the third switching tube 301 serves as a signal output terminal of the second pixel auxiliary switching unit 30.
In one embodiment, a third capacitor C3 is further disposed between the signal output terminal of the second auxiliary pixel switch unit 30 and the third common electrode 31, wherein the signal output terminal of the second auxiliary pixel switch unit 30 is connected to a first terminal of the third capacitor C3, and a second terminal of the third capacitor C3 is connected to the third common electrode 31.
In an embodiment, fig. 3 is a schematic circuit structure diagram of a driving circuit of a display panel according to another embodiment of the present disclosure, and as shown in fig. 3, the second auxiliary pixel switch unit 30 is a shared electronic switch tube T3, wherein a gate of the shared electronic switch tube T3 is connected to a scan line, a source and a drain of the shared electronic switch tube are respectively connected to a drain of the sub-pixel electronic switch tube and a third common electrode, and a potential of the third common electrode 31 is the same as a potential of the second common electrode.
In one embodiment, the shared electronic switch T3 may be any one of a polysilicon thin film transistor, an amorphous silicon thin film transistor, a zinc oxide-based thin film transistor, or an organic thin film transistor.
In one embodiment, the electronic switch tube has the same characteristics of the source and the drain, and thus the source and the drain are not particularly limited in the circuit.
In one embodiment, in the stereoscopic structure of the liquid crystal display panel, two poles of the liquid crystal capacitor and the storage capacitor generally correspond to the pixel electrode (or the storage electrode having the same potential as the pixel electrode) and the common electrode, respectively.
In an embodiment, the present embodiment further provides a driving apparatus of a display panel, connected to the display panel, where the driving apparatus includes a plurality of driving modules, and the driving apparatus includes the pixel driving circuit according to any one of the above embodiments.
In one embodiment, the driving device further comprises:
a plurality of rows of scanning lines; and
a plurality of rows of data lines;
the driving modules are arranged in an array mode, the driving module in the Mth row is connected with the scanning line in the Mth row, the driving module in the Nth row is connected with the data line in the Nth row, wherein N is larger than or equal to 1 and is a positive integer, M is larger than or equal to 1 and is a positive integer.
Fig. 4 is a block diagram of a display device 60 according to an embodiment of the present application, which includes:
a display panel 62; and
a control unit 61, wherein the control unit 61 is electrically connected to the display panel 62, and the control unit 61 includes the pixel driving circuit 610 of the display panel 62 as described in any one of the above paragraphs.
In one embodiment, the Display device 60 may be any type of Display device provided with the pixel driving circuit 610, such as a Liquid Crystal Display (LCD), an organic electroluminescent Display (OLED) Display device, a Quantum Dot light emitting diode (QLED) Display device, a curved Display device, or the like.
In one embodiment, the display panel 62 includes a pixel array composed of rows of pixels and columns of pixels.
In one embodiment, the control Unit 61 may be implemented by a general-purpose integrated circuit, such as a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC).
The embodiment of the application provides a pixel driving circuit, a driving device and a display device, a first signal output end of a first pixel switch unit is connected with a first common electrode, a second signal output end of the first pixel switch unit is connected with a second common electrode, a first signal output end of a second pixel switch unit is connected with the first common electrode, a second signal output end of the second pixel switch unit is connected with the second common electrode, and a signal output end of a second pixel auxiliary switch unit is connected with a third common electrode.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A pixel driving circuit connected to a pixel unit including a main area pixel and a sub area pixel, the pixel driving circuit comprising:
a first common electrode;
a second common electrode;
a third common electrode;
a first pixel switch unit for driving the main area pixel, a first signal output terminal of the first pixel switch unit being connected to the first common electrode, and a second signal output terminal of the first pixel switch unit being connected to the second common electrode;
the second pixel switch unit is used for driving the secondary area pixels, a first signal output end of the second pixel switch unit is connected with the first common electrode, a second signal output end of the second pixel switch unit is connected with the second common electrode, and a signal input end of the second pixel switch unit is connected with a signal input end of the first pixel switch unit in a common mode and used for receiving data signals; and
and the signal input end of the second pixel auxiliary switch unit is connected with the third signal output end of the second pixel switch unit, the signal output end of the second pixel auxiliary switch unit is connected with the third common electrode, and the control end of the second pixel auxiliary switch unit, the control end of the first pixel switch unit and the control end of the second pixel switch unit are connected in common and used for receiving the scanning signal.
2. The pixel driving circuit according to claim 1, wherein the first pixel switching unit includes:
a first liquid crystal capacitor;
a first storage capacitor; and
the current input end of the first switch tube is used as the signal input end of the first pixel switch unit, the control end of the first switch tube is used as the control end of the first pixel switch unit, the signal output end of the first switch tube, the first end of the first liquid crystal capacitor and the first end of the first storage capacitor are connected in common, the second end of the first storage capacitor is connected with the first common electrode, and the second end of the first liquid crystal capacitor is connected with the second common electrode.
3. The pixel driving circuit of claim 2, wherein the first switching tube is an electronic switching tube;
the current input end of the electronic switch tube is used as the signal input end of the first switch tube, the control end of the electronic switch tube is used as the control end of the first switch tube, and the current output end of the electronic switch tube is used as the signal output end of the first switch tube.
4. The pixel driving circuit according to claim 1, wherein the second pixel switching unit includes:
a second liquid crystal capacitor;
a second storage capacitor; and
the signal input end of the second switch tube is connected with the data line, the control end of the second switch tube is connected with the scanning line, the signal output end of the second switch tube, the first end of the second liquid crystal capacitor and the first end of the second storage capacitor are connected in common, the second end of the second storage capacitor is connected with the first common electrode, and the second end of the second liquid crystal capacitor is connected with the second common electrode.
5. The pixel driving circuit according to claim 4, wherein the second switch tube is an electronic switch tube;
the current input end of the electronic switch tube is used as the signal input end of the second switch tube, the control end of the electronic switch tube is used as the control end of the second switch tube, and the current output end of the electronic switch tube is used as the signal output end of the second switch tube.
6. The pixel driving circuit according to claim 1, wherein the second pixel auxiliary switching unit includes:
and a signal input end of the third switching tube is used as a signal input end of the second pixel auxiliary switching unit, a control end of the third switching tube is used as a control end of the second pixel auxiliary switching unit, and a signal output end of the third switching tube is used as a signal output end of the second pixel auxiliary switching unit.
7. The pixel driving circuit according to claim 1, wherein a third capacitor is further provided between the signal output terminal of the second pixel auxiliary switching unit and the third common electrode;
and the signal output end of the second pixel auxiliary switch unit is connected with the first end of the third capacitor, and the second end of the third capacitor is connected with the third common electrode.
8. A driving apparatus of a display panel, connected to the display panel, wherein the driving apparatus comprises a plurality of driving modules, and the driving modules comprise the pixel driving circuit according to any one of claims 1 to 8.
9. The driving apparatus of a display panel according to claim 8, wherein the driving apparatus further comprises:
a plurality of rows of scanning lines; and
a plurality of rows of data lines;
the driving modules are arranged in an array mode, the driving module in the Mth row is connected with the scanning line in the Mth row, the driving module in the Nth row is connected with the data line in the Nth row, wherein N is larger than or equal to 1 and is a positive integer, M is larger than or equal to 1 and is a positive integer.
10. A display device, comprising:
a display panel; and
a control unit electrically connected to the display panel, the control unit comprising a plurality of pixel driving circuits according to any one of claims 1 to 7.
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| CN201811532367.2A CN111326122B (en) | 2018-12-14 | 2018-12-14 | Driving circuit and driving device of display panel and display device |
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| CN201811532367.2A CN111326122B (en) | 2018-12-14 | 2018-12-14 | Driving circuit and driving device of display panel and display device |
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| CN113325646A (en) * | 2021-05-31 | 2021-08-31 | Tcl华星光电技术有限公司 | Pixel structure and display panel with same |
| WO2022236968A1 (en) * | 2021-05-12 | 2022-11-17 | Tcl华星光电技术有限公司 | Pixel driver circuit and liquid crystal display panel |
| WO2023050540A1 (en) * | 2021-09-30 | 2023-04-06 | Tcl华星光电技术有限公司 | Display panel and display device |
| WO2023103014A1 (en) * | 2021-12-07 | 2023-06-15 | 深圳市华星光电半导体显示技术有限公司 | Pixel, array substrate, and display device |
| US11847989B2 (en) | 2021-05-12 | 2023-12-19 | Tcl China Star Optoelectronics Technology Co., Ltd. | Pixel driving circuit and liquid crystal display panel |
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| WO2023050540A1 (en) * | 2021-09-30 | 2023-04-06 | Tcl华星光电技术有限公司 | Display panel and display device |
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