CN115966176A - Array substrate and display panel - Google Patents
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- CN115966176A CN115966176A CN202211692529.5A CN202211692529A CN115966176A CN 115966176 A CN115966176 A CN 115966176A CN 202211692529 A CN202211692529 A CN 202211692529A CN 115966176 A CN115966176 A CN 115966176A
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- 239000000758 substrate Substances 0.000 title claims abstract description 31
- 241001270131 Agaricus moelleri Species 0.000 claims abstract description 3
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- 239000003990 capacitor Substances 0.000 claims description 8
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- 230000032683 aging Effects 0.000 description 5
- 239000003086 colorant Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920001621 AMOLED Polymers 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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Abstract
The application discloses array substrate and display panel, including many scanning lines, many data lines and a plurality of pixel element who is the array and arranges the setting. The pixel unit comprises a driving module, a control module light-emitting node and a light-emitting module, wherein the driving module is used for receiving scanning signals from the scanning lines, receiving data signals from the data lines under the control of the scanning signals, and controlling the light-emitting module to emit light rays with preset gray scales to execute image display according to the data signals. The control module is used for transmitting the enhanced current from the power voltage end to the light-emitting module under the control of the control signal in the non-image display test stage so as to drive the light-emitting module to emit light. Through the arrangement of the control module, the loss of large current to the driving module can be effectively avoided in the testing stage, so that the service life and the stability of elements in the driving module are prolonged.
Description
Technical Field
The application relates to the technical field of display, in particular to an array substrate and a display panel.
Background
An Organic Light-Emitting Diode (OLED) display device has many advantages of self-luminescence, low power voltage, high Light-Emitting efficiency, short response time, high definition and contrast, a viewing angle of approximately 180 °, a wide temperature range, flexible display, large-area full-color display, and the like, and is considered to be the display device having the most potential for development in the industry.
Currently, in an Active-matrix Organic Light-Emitting Diode (AMOLED), after an initial fabrication of an OLED is completed, an aging test needs to be performed by a large current within a certain time, so that the OELD enters a stable state in advance after passing through an early-stage brightness fluctuation. However, when the OLED aging test is performed, the driving device inside the pixel is affected by the excessive current, so that the service life and stability of the driving device are reduced. Therefore, how to avoid the influence on the service life of the driving device while performing the aging test of the OLED is an urgent problem to be solved.
Disclosure of Invention
In view of the above technical problem, the present application provides an array substrate and a display panel that can ensure the lifetime and stability of a driving device.
The application discloses array substrate, including many scanning lines that extend along the first direction and arrange in proper order along the second direction, many data lines that extend along the second direction and arrange along the first direction and a plurality of pixel unit that are the array and arrange the setting, the first direction is different from the second direction. The pixel unit comprises a driving module, a control module, a light-emitting module and a light-emitting node, wherein the driving module is connected to a scanning line, a data line, a power voltage end and the light-emitting node, the light-emitting module is connected between the light-emitting node and a reference voltage end, the driving module is used for receiving scanning signals from the scanning line, receiving data signals from the data line under the control of the scanning signals, and transmitting power voltage to the light-emitting module according to the data signals so as to control the light-emitting module to emit light rays with preset gray scales to execute image display. The control module and the driving module are connected between the power supply voltage end and the light-emitting node in parallel and used for receiving the control signal in the non-image display test stage and transmitting the enhanced current from the power supply voltage end to the light-emitting module under the control of the control signal so as to drive the light-emitting module to emit light.
Optionally, the driving module includes a signal receiving unit, connected to the scan line and the data line, for receiving the scan signal from the scan line and receiving the data signal from the data line under the control of the scan signal.
Optionally, the driving module further includes a driving unit, connected to the signal receiving unit, the power voltage terminal and the light emitting node, and configured to receive the data signal from the signal receiving unit, and transmit the power voltage to the light emitting module under the control of the data signal, so as to drive the light emitting module to emit light with a preset gray level to perform image display.
Optionally, the driving module further includes a voltage stabilizing unit, where the voltage stabilizing unit is connected to the signal receiving unit, the power voltage terminal and the driving unit, and is configured to receive the data signal from the signal receiving unit for storage, and maintain the voltage stability of the driving unit when the driving unit drives the light emitting module to emit light with a preset gray level.
Optionally, the signal receiving unit includes a first switching tube, a gate of the first switching tube is connected to the scan line, and is configured to receive the scan signal from the scan line and is turned on under the control of the scan signal, and a source of the first switching tube is connected to the data line, and is configured to receive the data signal from the data line.
Optionally, the driving unit includes a second switch tube, a gate of the second switch tube is connected to a drain of the first switch tube, and is configured to receive the data signal from the first switch tube and turn on the first switch tube under control of the data signal, a source of the second switch tube is connected to the power supply voltage terminal, and a drain of the second switch tube is connected to the light emitting node, and is configured to transmit the power supply voltage to the light emitting module through the light emitting node when the second switch tube is turned on, so as to control the light emitting module to emit light with the preset gray scale.
Optionally, the voltage stabilizing unit includes a voltage stabilizing capacitor, and the voltage stabilizing capacitor is connected between the drain of the first switch tube and the power voltage end, and is configured to receive the data signal from the first switch tube for storage, and maintain the voltage between the gate and the source of the second switch tube when the second switch tube is turned on.
Optionally, the control module includes a third switch, a gate of the third switch is connected to the control signal line for receiving the control signal from the control signal line, a source of the third switch is connected to the power voltage end, and a drain of the third switch is connected to the light emitting node, and is configured to receive the control signal in the non-image display test stage and be turned on under the control of the control signal, and is configured to transmit the enhancement current from the power voltage end to the light emitting module to drive the light emitting module to emit light.
Optionally, the light emitting module includes a light emitting diode, an anode of the light emitting diode is connected to the light emitting node for receiving a power voltage from the light emitting node, a cathode of the light emitting diode is connected to a reference voltage terminal, and the reference voltage terminal forms a voltage difference with the received power voltage for driving the light emitting diode to emit light.
The application also discloses a display panel, including data drive circuit and aforementioned array substrate, data drive circuit is used for output data signal, sets up scanning drive circuit on array substrate and is used for outputting scanning signal, and the pixel unit is used for receiving data signal under scanning signal's control to carry out image display according to data signal.
Compared with the prior art, through the arrangement of the control module, when the aging test is carried out on the light-emitting module in the pixel unit manufacturing test stage, the power supply voltage can be transmitted to the light-emitting module through the control module, so that the phenomenon that the service life of components in the driving module is shortened due to the fact that a large current flows through the driving module is avoided, and the components are prevented from being damaged. And after the display product is manufactured, the control module can control the light-emitting module to emit light rays with preset colors, so that the phenomenon that heavy current flows through the driving module is avoided, the loss of components in the driving module is avoided, and the overall power consumption is saved.
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 embodiments will be briefly described 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 without creative efforts.
Fig. 1 is a schematic structural diagram of a display terminal according to an embodiment of the present application;
fig. 2 is a schematic side view of the display terminal shown in fig. 1;
FIG. 3 is a schematic plan view of the array substrate in the display panel shown in FIG. 2;
FIG. 4 is a block diagram of a circuit of the pixel cell of FIG. 3;
FIG. 5 is a schematic diagram of an equivalent circuit of the pixel unit in FIG. 4;
fig. 6 is a layout diagram of the pixel unit on the array substrate in fig. 5.
Description of reference numerals: the display device comprises a display terminal-100, a display panel-10, a power supply module-20, a display area-10 a, a non-display area-10 b, an array substrate-10 c, an opposite substrate-10 d, a medium layer-10 e, m data lines-S1-Sm, n scanning lines-G1-Gn, a first direction-F1, a second direction-F2, a time sequence control circuit-11, a data driving circuit-12, a scanning driving circuit-13, a light-emitting controller-14, a pixel unit-15, a driving module-151, a control module-152, a light-emitting module-153, an ith scanning line-Gi, a jth data line-Sj, a power supply voltage end-Vdd, a reference voltage end-Vss, a control signal line-EN, a first control signal line-EN 1, a second control signal line-EN 2 and a third control signal line-EN 3.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The following description of the various embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments that can be implemented by the application. The ordinal numbers used herein for the components, such as "first," "second," etc., are used merely to distinguish between the objects described, and do not have any sequential or technical meaning. The term "connected" and "coupled" as used herein includes both direct and indirect connections (couplings), unless otherwise specified. Directional phrases used in this application, such as, for example, "upper," "lower," "front," "rear," "left," "right," "inner," "outer," "side," and the like, refer only to the orientation of the appended drawings and are, therefore, used herein for better and clearer illustration and understanding of the application and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art. It should be noted that the terms "first", "second", and the like in the description and claims of the present application and in the drawings are used for distinguishing different objects and not for describing a particular order.
Furthermore, the terms "comprises," "comprising," "includes," "including," or "including," when used in this application, specify the presence of stated features, operations, elements, and/or the like, but do not limit one or more other features, operations, elements, and/or the like. Furthermore, the terms "comprises" or "comprising" indicate the presence of the respective features, numbers, steps, operations, elements, components or combinations thereof disclosed in the specification, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components or combinations thereof, and are intended to cover non-exclusive inclusions. Furthermore, when describing embodiments of the present application, the use of "may" mean "one or more embodiments of the present application. Also, the term "exemplary" is intended to refer to examples or illustrations.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a display terminal 100 according to a first embodiment of the present application. The display terminal 100 includes a display panel 10 and a power module 20, wherein the power module 20 is disposed on a back surface of the display panel 10, that is, a non-display surface of the display panel 10. The power module 20 is used for providing a power voltage for the display panel 10 to display images.
Referring to fig. 2, fig. 2 is a schematic side view of the display terminal 100 in fig. 1.
As shown in fig. 2, the display panel 10 includes an image display region 10a and a non-display region 10b. The display area 10a is used for displaying an image, and the non-display area 10b is disposed around the display area 10a to dispose other auxiliary components or modules, specifically, the display panel 10 includes an array substrate 10c and an opposite substrate 10d, and a display medium layer 10e disposed between the array substrate 10c and the opposite substrate 10 d. In this embodiment, the display medium in the display medium layer 10e is a light emitting semiconductor material such as Micro LED, mini LED, and LED.
Referring to fig. 3, fig. 3 is a schematic plan layout view of an array substrate 10c of the display panel 10 shown in fig. 2. As shown in fig. 3, the array substrate 10c includes a plurality of m × n pixel cells 15 arranged in a matrix corresponding to the image display region 10a, m data lines S1 to Sm, and n scan lines G1 to Gn, where m and n are natural numbers greater than 1.
The n scan lines G1 to Gn extend along a first direction F1, are insulated from each other and are arranged in parallel along a second direction F2, the m data lines S1 to Sm extend along the second direction F2, are insulated from each other and are arranged in parallel along the first direction F1, and the first direction F1 is perpendicular to the second direction F2.
The display terminal 100 further includes a timing control circuit 11 and a data driving circuit 12 for driving the pixel units to display images, and a scan driving circuit 13 and a light emitting controller 14 disposed on the array substrate 10c, corresponding to the non-display area 10b (fig. 2) of the display panel 10.
The timing control circuit 11 is electrically connected to the data driving circuit 12 and the scan driving circuit 13, and is configured to control the working timings of the data driving circuit 12 and the scan driving circuit 13, that is, output corresponding timing control signals to the data driving circuit 12 and the scan driving circuit 13, so as to control when to output corresponding scan signals and data signals.
The Data driving circuit 12 is electrically connected to the m Data lines S1 to Sm, and is configured to transmit a Data signal (Data) to be displayed to the plurality of pixel units 15 in the form of a Data voltage through the m Data lines S1 to Sm.
The scan driving circuit 13 is electrically connected to the n scan lines G1-Gn, and is used for outputting scan signals through the n scan lines G1-Gn for controlling when the pixel unit 15 receives data signals. The scan driving circuit 13 sequentially outputs scan signals from the scan lines G1, G2, \ 8230 \ Gn, gn in a scan cycle from the n scan lines G1 to Gn in a positional arrangement order.
The light-emitting controller 14 is configured to output a control signal to control the pixel unit 15 to emit light at a preset time after the pixel unit 15 is precharged.
In this embodiment, the circuit elements in the scan driving circuit 13 and the pixel units 15 in the Array substrate 10c are fabricated in the Array substrate 10c in the same process, i.e., a Gate Driver on Array (GOA) technology.
Referring to fig. 4, fig. 4 is a block diagram illustrating a circuit of the pixel unit shown in fig. 3.
As shown in fig. 4, among the plurality of pixel units 15 arranged in an array, the pixel unit 15 includes a driving module 151, a control module 152, and a light emitting module 153, wherein the driving module 151 is connected to an ith scanning line Gi, a jth data line Sj, a power voltage terminal Vdd, and a light emitting node Ne, the light emitting module 153 is connected between the light emitting node Ne and a reference voltage terminal Vss, the driving module 151 is configured to receive a scanning signal from the ith scanning line Gi, receive a data signal from the jth data line Sj under the control of the scanning signal, receive a power voltage from the power voltage terminal Vdd and transmit the power voltage to the light emitting module 153 through the light emitting node Ne, and the light emitting module 153 emits light of a predetermined gray scale under the drive of the power voltage, so that the pixel unit 15 performs image display. Wherein i is more than or equal to 1 and less than or equal to n, and j is more than or equal to 1 and less than or equal to m.
The control module 152 and the driving module 151 are connected in parallel between the power voltage terminal Vdd and the light emitting node Ne, and are configured to receive the control signal during the non-image display test stage and transmit the boosting current from the power voltage terminal Vdd to the light emitting module 153 under the control of the control signal, so as to drive the light emitting module 153 to emit light.
Through the arrangement of the control module 152, when the aging test is performed on the light emitting module 153 in the manufacturing test stage of the pixel unit 15, the power voltage can be transmitted to the light emitting module 153 through the control module 152, so that the problem that the service life of components in the driving module 151 is shortened due to the fact that a large current flows through the driving module 151 is avoided, and the components are prevented from being damaged. Moreover, after the display product is manufactured, the control module 152 can control the light emitting module 153 to emit light with a preset color, for example, when the terminal product is a mobile phone, the control module 152 can control the light emitting module 153 to emit white light, red light, blue light or green light with full brightness, so as to realize the function of a flashlight, the current flowing through the light emitting module 153 is large, so that the large current is prevented from flowing through the driving module 151, the loss of components in the driving module 151 is avoided, and the overall power consumption is saved.
Referring to fig. 5, fig. 5 is an equivalent circuit diagram of the pixel unit in fig. 4.
As shown in fig. 5, the driving module 151 includes a signal receiving unit 1511, a voltage stabilizing unit 1512, and a driving unit 1513, wherein the signal receiving unit 1511 is connected to the ith scan line Gi, the jth data line Sj, the voltage stabilizing unit 1512, and the driving unit 1513, and is configured to receive the scan signal from the ith scan line Gi, receive the data signal from the jth data line Sj under the control of the scan signal, and transmit the data signal to the voltage stabilizing unit 1512 and the driving unit 1513.
The voltage stabilizing unit 1512 is connected to the signal receiving unit 1511 and the power voltage terminal Vdd, and is configured to receive the data signal from the signal receiving unit 1511 for storage. The driving unit 1513 is connected to the signal receiving unit 1511, the voltage stabilizing unit 1512, the power voltage terminal Vdd, and the light emitting module 153, and receives the data signal from the signal receiving unit 1511 and transmits the power voltage output by the power voltage terminal Vdd to the light emitting module 153 under the control of the data signal, so as to control the light emitting module 153 to emit light. When the driving unit 1513 controls the light emitting module 153 to emit light, the voltage stabilizing unit 1512 is used to maintain the voltage of the driving unit 1513.
Specifically, the signal receiving unit 1511 includes a first switch tube T1, the voltage stabilizing unit 1512 includes a voltage stabilizing capacitor, and the driving unit 1513 includes a second switch tube T2, wherein a gate of the first switch tube T1 is connected to the ith scan line Gi and is configured to receive a scan signal from the ith scan line Gi, a source of the first switch tube T1 is connected to the jth data line, a drain of the first switch tube T1 is connected to the voltage stabilizing capacitor and the second switch tube T2, when the scan signal is transmitted to the first switch tube T1, the first switch tube T1 is turned on, and the data signal is transmitted to the voltage stabilizing capacitor and the second switch tube T2 through the first switch tube T1.
The voltage stabilizing capacitor is connected between the drain of the first switch tube T1 and the power voltage terminal Vdd, and is configured to receive the data signal from the drain of the first switch tube T1 for charging.
The gate of the second switch tube T2 is connected to the drain of the first switch tube T1, the source of the second switch tube T2 is connected to the power voltage terminal Vdd, the drain of the second switch tube T2 is connected to the light emitting node Ne, when the gate of the second switch tube T2 receives a data signal, the second switch tube T2 is turned on, and the power voltage is transmitted to the light emitting module 153 through the second switch tube T2 to drive the light emitting module 153 to emit light rays with preset gray scale, so as to display an image. The voltage stabilizing capacitor C is connected between the gate and the source of the second switch transistor T2, and is configured to provide a stable voltage to the second switch transistor T2 when the second switch transistor T2 is turned on, so as to maintain the on state of the second switch transistor T2.
The control module includes a third switching tube T3, a gate of the third switching tube T3 is connected to the control signal line EN, a source of the third switching tube T3 is connected to a power voltage terminal Vdd, a drain of the third switching tube T3 is connected to the light emitting node Ne, when the gate of the third switching tube T3 receives a control signal from the control signal line EN, the third switching tube T3 is turned on, and the power voltage is transmitted to the light emitting module 153 through the third switching tube T3 for driving the light emitting module 153 to emit light.
The light emitting module 153 includes a light emitting device D, wherein the light emitting device D may be an organic light emitting diode, an anode of the organic light emitting diode is connected to the drain of the second switching tube T2 and the drain of the third switching tube T3, and a cathode of the organic light emitting diode is connected to the reference voltage terminal Vss, for receiving the power voltage from the second switching tube T2 or the power voltage from the third switching tube T3 to emit light.
By controlling the short circuit of the driving element in the driving module when the third switching tube T3 is conducted, when the control unit controls the light emitting element D to emit light, the current is transmitted to the light emitting element D through the third switching tube T3, so that the current is prevented from being transmitted to the driving element in the driving module, the consumption of the element in the driving module is reduced, the service life of the driving module is prolonged, and the power consumption is reduced.
Referring to fig. 6, fig. 6 is a schematic layout view of the pixel unit in fig. 5 on the array substrate.
As shown in fig. 6, the pixel units 15 in the same column are connected to the same control signal line EN, and are configured to receive the same control signal and emit light rays with the same color under the control of the same control signal. For example, a first column of pixel units is connected to the first control signal line EN1 for receiving a first control signal, a second column of pixel units is connected to the second control signal line EN2 for receiving a second control signal, a third column of pixel units is connected to the third control signal line EN3 for receiving a third control signal, and so on, a mth column of pixel units is connected to the mth control signal line for receiving the mth control signal. By setting a control signal for each row of pixel units, the display panel can be effectively controlled to emit light rays with different colors, so that the display panel can emit light rays with colors of white light, blue light, red light or green light and the like. Meanwhile, the current is prevented from entering the driving unit to damage a switching tube in the driving unit.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. An array substrate comprises a plurality of scanning lines, a plurality of data lines and a plurality of pixel units, wherein the scanning lines extend along a first direction and are sequentially arranged along a second direction, the data lines extend along the second direction and are arranged along the first direction, and the pixel units are arranged in an array mode;
the pixel unit is characterized by comprising a driving module, a control module, a light-emitting module and a light-emitting node, wherein the driving module is connected to the scanning line, the data line, a power voltage end and the light-emitting node, the light-emitting module is connected between the light-emitting node and a reference voltage end, the driving module is used for receiving scanning signals from the scanning line, receiving data signals from the data line under the control of the scanning signals, and transmitting power voltage to the light-emitting module according to the data signals so as to control the light-emitting module to emit light rays with preset gray scales to execute image display;
the control module and the driving module are connected in parallel between the power supply voltage end and the light-emitting node and used for receiving a control signal in a non-image display test stage and transmitting an enhanced current from the power supply voltage end to the light-emitting module under the control of the control signal so as to drive the light-emitting module to emit light.
2. The array substrate of claim 1, wherein the driving module comprises a signal receiving unit, the signal receiving unit is connected to the scan line and the data line, and is configured to receive the scan signal from the scan line and receive the data signal from the data line under the control of the scan signal.
3. The array substrate of claim 2, wherein the driving module further comprises a driving unit, the driving unit is connected to the signal receiving unit, the power voltage terminal and the light emitting node, and configured to receive the data signal from the signal receiving unit, and transmit the power voltage to the light emitting module under control of the data signal, so as to drive the light emitting module to emit light with a preset gray level to perform image display.
4. The array substrate of claim 3, wherein the driving module further comprises a voltage stabilizing unit, the voltage stabilizing unit is connected to the signal receiving unit, the power voltage terminal and the driving unit, and is configured to receive a data signal from the signal receiving unit for storage, and maintain a stable voltage of the driving unit when the driving unit drives the light emitting module to emit light with a preset gray level.
5. The array substrate of claim 4, wherein the signal receiving unit comprises a first switch tube, a gate of the first switch tube is connected to the scan line, and is configured to receive the scan signal from the scan line and is turned on under the control of the scan signal, and a source of the first switch tube is connected to the data line, and is configured to receive the data signal from the data line.
6. The array substrate of claim 5, wherein the driving unit comprises a second switch tube, a gate of the second switch tube is connected to the drain of the first switch tube for receiving the data signal from the first switch tube and conducting under the control of the data signal, a source of the second switch tube is connected to the power voltage terminal, and a drain of the second switch tube is connected to the light emitting node for transmitting the power voltage to the light emitting module through the light emitting node when conducting so as to control the light emitting module to emit light with a preset gray level.
7. The array substrate of claim 6, wherein the voltage regulation unit comprises a voltage regulation capacitor connected between the drain of the first switch tube and the power supply voltage terminal for receiving the data signal from the first switch tube for storage and maintaining a voltage between the gate and the source of the second switch tube when the second switch tube is turned on.
8. The array substrate of claim 7, wherein the control module comprises a third switch tube, a gate of the third switch tube is connected to a control signal line for receiving a control signal from the control signal line, a source of the third switch tube is connected to the power voltage terminal, and a drain of the third switch tube is connected to the light emitting node for receiving the control signal during a non-image display test period and conducting under the control of the control signal, and for transmitting an enhancement current from the power voltage terminal to the light emitting module to drive the light emitting module to emit light.
9. The array substrate of claim 8, wherein the light emitting module comprises a light emitting diode, an anode of the light emitting diode is connected to the light emitting node for receiving the power voltage from the light emitting node, and a cathode of the light emitting diode is connected to a reference voltage terminal, and the reference voltage terminal forms a voltage difference with the received power voltage for driving the light emitting diode to emit light.
10. A display panel, comprising a data driving circuit and the array substrate of any one of claims 1 to 9, wherein the data driving circuit is configured to output the data signal, the scan driving circuit disposed on the array substrate is configured to output a scan signal, and the pixel unit is configured to receive the data signal under the control of the scan signal and perform image display according to the data signal.
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| CN114999398A (en) * | 2022-06-08 | 2022-09-02 | 京东方科技集团股份有限公司 | Pixel circuit, aging driving method thereof, array substrate and display device |
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