WO2020093506A1

WO2020093506A1 - Circuit for aging display panel, and display panel

Info

Publication number: WO2020093506A1
Application number: PCT/CN2018/120100
Authority: WO
Inventors: 李汶欣
Original assignee: 惠科股份有限公司; 重庆惠科金渝光电科技有限公司
Priority date: 2018-11-08
Filing date: 2018-12-10
Publication date: 2020-05-14
Also published as: CN109215548B; CN109215548A

Abstract

A circuit for aging a display panel, comprising: an aging signal input module (110), a power input module (120), and a power boost module (130). The aging signal input module (110) and the power input module (120) are connected to the power boost module (130), respectively. Both the power input module (120) and the power boost module (130) are connected to a load (140). The aging signal input module (110) is used for receiving an aging signal. The power input module (120) is used for providing a power voltage for the power boost module (130) and the load (140). The power boost module (130) is used for increasing the power voltage and outputting the increased power voltage to the load (140).

Description

Display panel aging circuit and display panel

This application requires priority to be submitted to the Chinese Patent Office on November 08, 2018, with the application number 2018113253764 and the priority of the Chinese patent application titled "The Display Panel Aging Circuit and Display Panel", the entire contents of which are incorporated herein by reference. Applying.

Technical field

The present application relates to a circuit and display panel for display panel aging treatment.

Background technique

The statements here only provide background information related to the present application and do not necessarily constitute prior art.

TFT-LCD (Thin Film Transistor Liquid Crystal) is one of the main varieties of flat panel displays and has become an important display platform in modern IT and video products.

Due to the manufacturing process and materials of the display panel, the brightness of the newly produced display panel is prone to decay. Therefore, the display panel needs to be aged to prevent unqualified products from flowing to the market, so that the display panel shipped During the image process, the brightness of the display panel will not change.

The aging treatment process often takes too long, which reduces the production efficiency of the product, and needs to be carried out in a specific environment, which is not easy to operate.

Summary of the invention

According to various embodiments disclosed in the present application, a circuit for aging processing of a display panel is provided.

A display panel aging processing circuit includes an aging signal input module, a power input module and a power boost module, the aging signal input module and the power input module are respectively connected to the power boost module, the power input Both the module and the power boost module are connected to the load;

The aging signal input module is configured to receive an aging signal;

The power input module is configured to provide a power voltage for the power boost module and the load;

The power boost module is configured to boost the power voltage and output the boosted power voltage to the load.

A circuit for aging processing of a display panel includes an aging signal input module, a power input module, a power boost module and a signal input control module, the aging signal input module and the power input module are respectively connected to the power boost module , The power input module and the power boost module are connected to a load, and the signal input control module is connected to the aging signal input module;

The aging signal input module is configured to receive an aging signal; the aging signal input module includes a digital-to-analog conversion amplification unit and an aging signal output unit, and the aging signal output unit is connected in series between the digital-to-analog conversion amplification unit and the power supply Between the pressure modules, the aging signal output unit is also connected to the signal input control module;

The power input module is configured to provide a power supply voltage for the power boost module and the load; the power input module includes a power supply and a second switch unit, and one end of the second switch unit is connected to the power supply. The other end of the second switch unit is connected to the power boosting module;

The power boost module is configured to boost the power voltage and output the boosted power voltage to the load; the power boost module includes a first energy storage unit, a second energy storage unit, and a first A switch unit; one end of the first energy storage unit is connected to the aging signal input module, and the other end is respectively connected to the first switch unit and the power input module; one end of the first switch unit is connected to The power input module is connected to the first energy storage unit, and the other end is respectively connected to the second energy storage unit and the load; one end of the second energy storage unit is connected to the first switch unit, The other end is connected to the load;

The signal input control module is configured to control the level conversion of the aging signal in the aging signal input module.

A display panel includes a substrate, and a turn-on voltage input circuit and a pixel structure are provided on the substrate, and the turn-on voltage input circuit is connected to the pixel structure;

The turn-on voltage input circuit includes an aging signal input module, a power input module, and a power boost module, the aging signal input module and the power input module are respectively connected to the power boost module, the power input module and The power boosting modules are all connected to the pixel structure;

The aging signal input module is configured to receive an aging signal;

The power input module is configured to provide a power voltage for the power boost module and the pixel structure;

The power boosting module is configured to boost the power supply voltage and output the boosted power supply voltage to the pixel structure.

The details of one or more embodiments of the application are set forth in the drawings and description below. Other features and advantages of this application will become apparent from the description, drawings, and claims.

BRIEF DESCRIPTION

In order to more clearly explain the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. Those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts.

1 is a schematic structural diagram of an aging processing circuit in an embodiment;

2 is a schematic structural diagram of an aging processing circuit in another embodiment;

3 is a schematic structural diagram of an aging processing circuit in another embodiment;

4 is a schematic structural diagram of an aging processing circuit in another embodiment;

5 is a circuit schematic diagram of an aging processing circuit in an embodiment;

6 is a schematic diagram of a circuit structure of a display panel in another embodiment;

7 is a schematic diagram of a circuit structure of an aging processing circuit in another embodiment;

8 is a schematic diagram of a circuit structure of an aging processing circuit in another embodiment;

9 is a schematic diagram of a circuit structure of an aging processing circuit in another embodiment;

10 is a schematic diagram of a circuit structure of an aging processing circuit in another embodiment.

detailed description

In order to make the technical solutions and advantages of the present application more clear, the following describes the present application in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not intended to limit the present application.

A circuit for aging processing of a display panel, as shown in FIG. 1, includes an aging signal input module 110, a power input module 120, and a power boost module 130. The aging signal input module 110, the power input module 120, and the power boost module 130 are respectively The power input module 120 and the power boost module 130 are both connected to the load 140.

Among them, the aging signal input module 110 is configured to receive the aging signal; the power input module 120 is configured to provide the power supply voltage for the power boost module 130 and the load 140; the power boost module 130 is configured to increase the power supply voltage, and after the increase The power supply voltage is output to the load 140.

Specifically, when there is no aging signal input in the aging signal input module 110, the power input module 120 works normally, and the power input module 120 outputs the power voltage to the power boost module 130 and the load 140. At this time, the power boost module 130 stores Power, the load 140 works normally; when there is an aging signal input in the aging signal input module 110, the aging signal input module 110 outputs the voltage of the aging signal to the power boosting module 130, at this time, the voltage in the power boosting module 130 The voltage of the aging signal is increased on the basis of the original voltage, and the increased power supply voltage is output to the load 140 to achieve the purpose of boosting the output of the power supply, increasing the turn-on voltage of the load 140, so that the load 140 is turned on and off The voltage difference input in this state increases, which accelerates the aging speed of the load 140, that is, the aging speed of the display panel, and rejects defective products caused by the manufacturing process and materials of the display panel before shipment to prevent Qualified products flow to the market.

In one embodiment, as shown in FIG. 2, the display panel burn-in circuit further includes a signal input control module 150, which is connected to the burn-in signal input module 110. The signal input control module 150 is configured to control the level conversion of the aging signal in the aging signal input module 110.

Specifically, the on-off of the signal input control module 150 is controlled by a clock signal.

When there is no aging signal input in the aging signal input module 110, the power input module 120 works normally, and the power input module 120 outputs the power voltage to the power boost module 130 and the load 140. At this time, the power boost module 130 stores electricity and loads 140 works normally, and the signal input control module 150 has no effect on the circuit.

When there is an aging signal input in the aging signal input module 110, the on-off of the signal input control module 150 can control the level conversion of the aging signal.

When the signal input control module 150 is turned on, the aging signal in the aging signal input module 110 is high, and the aging signal input module 110 outputs the voltage of the aging signal to the power boosting module 130. At this time, the power boosting module The voltage in 130 increases the voltage of the aging signal on the basis of the original voltage, so as to achieve the purpose of power boosting; when the signal input control module 150 is disconnected, the aging signal in the aging signal input module 110 is low, and the power boost The module 130 outputs the increased power supply voltage to the load 140 and starts re-storing electricity.

By increasing the turn-on voltage of the load 140, the voltage difference input by the load 140 in the on and off states is increased, thereby accelerating the aging speed of the load 140, that is, the aging speed of the display panel, due to the production of the display panel Defective products caused by craftsmanship and materials are eliminated before shipment to prevent unqualified products from flowing to the market.

In one embodiment, as shown in FIG. 3, the aging signal input module 110 includes a digital-to-analog conversion and amplification unit 111 and an aging signal output unit 112. The aging signal output unit 112 is connected in series between the digital-to-analog conversion and amplification unit 111 and the power supply. Between the pressure modules 130, the aging signal output unit 112 is also connected to the signal input control module 150.

The digital-to-analog conversion and amplification unit 111 is configured to convert the aging signal into an analog signal with a higher voltage.

Specifically, when there is no aging signal input in the aging signal input module 110, the power input module 120 works normally, and the power input module 120 outputs the power voltage to the power boost module 130 and the load 140. At this time, the power boost module 130 stores Power, the load 140 works normally, and the aging signal input module 110 has no effect on the circuit.

When there is an aging signal input in the aging signal input module 110, the digital-to-analog conversion and amplification unit 111 converts the aging signal into an analog signal, and the aging signal output unit 112 outputs the voltage of the aging signal to the power boosting module 130.

When the signal input control module 150 is turned on, the aging signal in the aging signal output unit 112 is at a high level, and the digital-to-analog conversion and amplification unit 111 converts the aging signal into an analog signal with a higher voltage, and the aging signal output unit 112 The voltage of the aging signal is output to the power boosting module 130. At this time, the voltage in the power boosting module 130 increases the voltage of the aging signal on the basis of the original voltage to achieve the purpose of power boosting; when the signal is input to the control module 150 When disconnected, the aging signal in the aging signal output unit 112 is at a low level, the digital-to-analog conversion and amplification unit 111 converts the aging signal into an analog signal with a lower voltage, and the power boost module 130 outputs the increased power voltage To load 140 and start re-storing.

In one embodiment, as shown in FIG. 4, the power boost module 130 includes a first energy storage unit 131, a second energy storage unit 132, and a first switching unit 133; the power input module 120 includes a power supply 121 and a second switching unit 122.

Wherein, one end of the first energy storage unit 131 is connected to the aging signal input module 110, and the other end is respectively connected to the first switch unit 133 and the power input module 120; one end of the first switch unit 133 is connected to the power input module 120 and the first The energy storage unit 131 is connected, and the other end is respectively connected to the second energy storage unit 132 and the load 140; one end of the second energy storage unit 132 is connected to the first switching unit 133, and the other end is connected to the load 140.

One end of the second switch unit 122 is connected to the power source 121, and the other end of the second switch unit 122 is connected to the power boost module 130.

Specifically, one end of the first energy storage unit 131 is connected to the aging signal input module 110, and the other end is respectively connected to the first switch unit 133 and the second switch unit 122; one end of the first switch unit 133 is respectively connected to the second switch unit 122 Connected to the first energy storage unit 131, the other end is connected to the second energy storage unit 132 and the load 140; one end of the second energy storage unit 132 is connected to the first switch unit 131, and the other end is connected to the load 140; the second switch unit One end of 122 is connected to the power source 121, and the other end is respectively connected to the first energy storage unit 131 and the first switching unit 133.

When there is no aging signal input in the aging signal input module 110, both the first switch unit 133 and the second switch unit 122 are turned on, and the power source 121 supplies power to the first energy storage unit 131 and the load 140. At this time, the first energy storage unit 131 stores electricity, and the load 140 works normally.

When there is an aging signal input in the aging signal input module 110 and the aging signal is at a high level, the aging signal input module 110 outputs the voltage of the aging signal to the first energy storage unit 131. At this time, the first energy storage unit 131 The voltage in increases the voltage of the aging signal on the basis of the original voltage, the second switching unit 122 is turned off, the first switching unit 133 is turned on, and the first energy storage unit 131 outputs the boosted voltage to the second energy storage unit 132.

When there is an aging signal input in the aging signal input module 110, and the aging signal is at a low level, the second switch unit 122 is turned on, the first switch unit 133 is turned off, and the second energy storage unit 132 will increase the increased power supply voltage The output is to the load 140. At this time, the power source 121 and the first energy storage unit 131 form a closed loop, the power source 121 supplies power to the first energy storage unit 131, and the first energy storage unit 131 starts to store electricity again.

The first energy storage unit 131 and the second energy storage unit 132 may be one or more capacitors connected in series; the first switch unit 133 and the second switch unit 121 may be diodes.

In one embodiment, as shown in FIG. 5, the first energy storage unit 131 is a capacitor C1, the second energy storage unit 132 is a capacitor C2, the first switching unit 133 is a diode D1, and the second switching unit 122 is a diode. 121 is a DC power supply VGH. Wherein, the positive electrode of the first switch unit 133 is connected to the power input module 120 and the first energy storage unit 131 respectively, the negative electrode of the first switch unit 133 is connected to the second energy storage unit 132 and the load 140 respectively; The positive electrode is connected to the power supply 121, and the negative electrode of the second switching unit 122 is connected to the power boosting module 130.

Specifically, the anode of the diode D1 is connected to the diode D2 and the capacitor C1, the cathode of the diode D1 is connected to the capacitor C2; the anode of the diode D2 is connected to the power source 121, and the cathode of the diode D2 is connected to the capacitor C1 and the diode D1, respectively.

When there is no aging signal input in the aging signal input module 110, the positive voltage of the diode D1 is higher than the negative voltage, the positive voltage of the diode D2 is higher than the negative voltage, the diode D1 and the diode D2 are both turned on, and the power supply VGH supplies the capacitor C1 and the load 140. At this time, the capacitor C1 stores electricity, and the load 140 operates normally.

When there is an aging signal input in the aging signal input module 110 and the aging signal is at a high level, the aging signal input module 110 outputs the voltage of the aging signal to the capacitor C1. At this time, the voltage in the capacitor C1 increases on the basis of the original voltage In response to the voltage of the aging signal, the negative voltage of diode D2 is higher than the positive voltage, the positive voltage of diode D1 is higher than the negative voltage, diode D2 is turned off, diode D1 is turned on, and capacitor C1 outputs the boosted voltage to capacitor C2.

When there is an aging signal input in the aging signal input module 110, and the aging signal is low, the anode voltage of the diode D2 is higher than the cathode voltage, the cathode voltage of the diode D1 is higher than the anode voltage, the diode D2 is turned on, the diode D1 is disconnected, and the capacitor C2 outputs the increased power supply voltage to the load 140. At this time, the power supply 121 and the capacitor C1 form a closed loop, the power supply 121 supplies power to the capacitor C1, and the capacitor C1 begins to recharge.

A display panel includes a substrate. As shown in FIGS. 6-7, the substrate is provided with an on-voltage input circuit 200, a pixel structure 300, and an off-voltage input circuit 400. The on-voltage input circuit 200 and the off-voltage input circuit 400 are respectively The pixel structure 300 is connected to provide the pixel structure 300 with an on voltage and an off voltage.

The turn-on voltage input circuit 200 includes an aging signal input module 210, a power input module 220, and a power boost module 230. The aging signal input module 210 and the power input module 220 are respectively connected to the power boost module 230. The power input module 220 and the power boost module 230 are both connected to the pixel structure 300.

Specifically, the aging signal input module 210 is configured to receive an aging signal; the power input module 220 is configured to provide a power supply voltage to the power boost module 230 and the pixel structure; the power boost module 230 is configured to Raise the power supply voltage, and output the boosted power supply voltage to the pixel structure 300.

When there is no aging signal input in the aging signal input module 210, the power input module 220 works normally, and the power input module 220 outputs the power voltage to the power boost module 230 and the pixel structure 300. At this time, the power boost module 230 stores electricity. The pixel structure 300 works normally; when there is an aging signal input in the aging signal input module 210, the aging signal input module 210 outputs the voltage of the aging signal to the power boosting module 230. At this time, the voltage in the power boosting module 230 is in the original On the basis of the voltage, the voltage of the aging signal is increased, and the increased power supply voltage is output to the pixel structure 300, so as to achieve the purpose of boosting the output of the power supply, increasing the turn-on voltage of the pixel structure 300, so that the pixel structure 300 is turned on and The voltage difference input in the two closed states increases, which accelerates the aging speed of the pixel structure 300, that is, the aging speed of the display panel, and rejects defective products due to the manufacturing process and materials of the display panel before shipment To prevent unqualified products from flowing to the market.

In one embodiment, as shown in FIG. 8, the display panel burn-in circuit further includes a signal input control module 240 that is connected to the burn-in signal input module 210. The signal input control module 240 is configured to control the level conversion of the aging signal in the aging signal input module 210.

Specifically, the on-off of the signal input control module 240 is controlled by a clock signal.

When there is no aging signal input in the aging signal input module 210, the power input module 220 works normally, and the power input module 220 outputs the power voltage to the power boost module 230 and the pixel structure 300. At this time, the power boost module 230 stores electricity. The pixel structure 300 works normally, and the switching of the signal input control module 240 has no effect on the circuit.

When there is an aging signal input in the aging signal input module 210, the on-off of the signal input control module 240 can control the level conversion of the aging signal.

When the signal input control module 240 is turned on, the aging signal in the aging signal input module 210 is high, and the aging signal input module 210 outputs the voltage of the aging signal to the power boosting module 230. At this time, the power boosting module The voltage in 230 increases the voltage of the aging signal on the basis of the original voltage to achieve the purpose of boosting the power supply; when the signal input control module 240 is disconnected, the aging signal in the aging signal input module 210 is low, the power supply is boosted The module 230 outputs the increased power supply voltage to the pixel structure 300 and starts re-storing electricity.

By increasing the turn-on voltage of the pixel structure 300, the voltage difference inputted by the pixel structure 300 in the on and off states is increased, thereby accelerating the aging speed of the pixel structure 300, that is, accelerating the aging speed of the display panel. The defective products caused by the manufacturing process and materials of the panel are rejected before shipment to prevent unqualified products from flowing to the market.

In one embodiment, as shown in FIG. 9, the aging signal input module 210 includes a digital-to-analog conversion and amplification unit 211 and an aging signal output unit 212. The aging signal output unit 212 is connected in series between the digital-to-analog conversion and amplification unit 211 and the power supply. Between the pressure modules 230, the aging signal output unit 212 is also connected to the signal input control module 240.

The digital-to-analog conversion and amplification unit 211 is configured to convert the aging signal into an analog signal with a higher voltage.

Specifically, when there is no aging signal input in the aging signal input module 210, the power input module 220 works normally, and the power input module 220 outputs the power voltage to the power boost module 230 and the pixel structure 300. At this time, the power boost module 230 Power storage, the pixel structure 300 works normally, and the aging signal input module 210 has no effect on the circuit.

When there is an aging signal input in the aging signal input module 210, the digital-to-analog conversion amplifying unit 211 converts the aging signal into an analog signal, and the aging signal output unit 212 outputs the voltage of the aging signal to the power boosting module 230.

When the signal input control module 240 is turned on, the aging signal in the aging signal output unit 212 is at a high level, and the digital-to-analog conversion and amplifying unit 211 converts the aging signal into an analog signal with a higher voltage, and the aging signal output unit 212 The voltage of the aging signal is output to the power boosting module 230. At this time, the voltage in the power boosting module 230 increases the voltage of the aging signal on the basis of the original voltage to achieve the purpose of power boosting; when the signal is input to the control module 240 When disconnected, the aging signal in the aging signal output unit 212 is at a low level, the digital-to-analog conversion amplifying unit 211 converts the aging signal into an analog signal with a lower voltage, and the power boost module 230 outputs the boosted power voltage Go to the pixel structure 300 and start re-storing.

In one embodiment, as shown in FIG. 10, the power boost module 230 includes a first energy storage unit 231, a second energy storage unit 232, and a first switching unit 233; the power input module 220 includes a power supply 221 and a second switching unit 222.

Wherein, one end of the first energy storage unit 231 is connected to the aging signal input module 210, and the other end is respectively connected to the first switch unit 233 and the power input module 220; one end of the first switch unit 233 is connected to the power input module 220 and the first The energy storage unit 231 is connected, and the other end is respectively connected to the second energy storage unit 232 and the pixel structure 300; one end of the second energy storage unit 232 is connected to the first switch unit 233, and the other end is connected to the pixel structure 300.

One end of the second switching unit 222 is connected to the power supply 221, and the other end of the second switching unit 222 is connected to the power boosting module 230.

Specifically, one end of the first energy storage unit 231 is connected to the aging signal input module 210, and the other end is respectively connected to the first switch unit 233 and the second switch unit 222; one end of the first switch unit 233 is respectively connected to the second switch unit 222 Connected to the first energy storage unit 231, the other end is connected to the second energy storage unit 232 and the pixel structure 300; one end of the second energy storage unit 232 is connected to the first switch unit 231, and the other end is connected to the pixel structure 300; the second One end of the switch unit 222 is connected to the power source 221, and the other end is respectively connected to the first energy storage unit 231 and the first switch unit 233.

When there is no aging signal input in the aging signal input module 210, both the first switch unit 233 and the second switch unit 222 are turned on, and the power supply 221 supplies power to the first energy storage unit 231 and the pixel structure 300. At this time, the first energy storage unit The unit 231 stores electricity, and the pixel structure 300 operates normally.

When there is an aging signal input in the aging signal input module 210 and the aging signal is at a high level, the aging signal input module 210 outputs the voltage of the aging signal to the first energy storage unit 231. At this time, the first energy storage unit 231 The voltage in increases the voltage of the aging signal on the basis of the original voltage, the second switching unit 222 is turned off, the first switching unit 233 is turned on, and the first energy storage unit 231 outputs the boosted voltage to the second energy storage unit 232.

When there is an aging signal input in the aging signal input module 210, and the aging signal is at a low level, the second switch unit 222 is turned on, the first switch unit 233 is turned off, and the second energy storage unit 232 will increase the power supply voltage The output is to the pixel structure 300. At this time, the power supply 221 and the first energy storage unit 231 form a closed loop, the power supply 221 supplies power to the first energy storage unit 231, and the first energy storage unit 231 starts to re-store electricity.

The first energy storage unit 231 and the second energy storage unit 232 may be one or more capacitors connected in series; the first switch unit 233 and the second switch unit 221 may be diodes.

In one embodiment, as shown in FIG. 5, the first energy storage unit 231 is a capacitor C1, the second energy storage unit 232 is a capacitor C2, the first switching unit 233 is a diode D1, and the second switching unit 222 is a diode. 221 is the DC power supply VGH. The anode of the first switch unit 233 is respectively connected to the power input module 220 and the first energy storage unit 231, and the cathode of the first switch unit 233 is respectively connected to the second energy storage unit 232 and the pixel structure 300; the second switch unit 222 The positive electrode of the is connected to the power supply 221, and the negative electrode of the second switching unit 222 is connected to the power boosting module 230.

Specifically, the anode of the diode D1 is connected to the diode D2 and the capacitor C1, the cathode of the diode D1 is connected to the capacitor C2; the anode of the diode D2 is connected to the power source 221, and the cathode of the diode D2 is connected to the capacitor C1 and the diode D1, respectively.

When there is no aging signal input in the aging signal input module 210, the anode voltage of the diode D1 is higher than the cathode voltage, the anode voltage of the diode D2 is higher than the cathode voltage, the diode D1 and the diode D2 are both turned on, and the power supply VGH supplies the capacitor C1 and the pixel structure 300 At this time, the capacitor C1 stores electricity, and the pixel structure 300 operates normally.

When there is an aging signal input in the aging signal input module 210 and the aging signal is at a high level, the aging signal input module 210 outputs the voltage of the aging signal to the capacitor C1. At this time, the voltage in the capacitor C1 increases on the basis of the original voltage In response to the voltage of the aging signal, the negative voltage of diode D2 is higher than the positive voltage, the positive voltage of diode D1 is higher than the negative voltage, diode D2 is turned off, diode D1 is turned on, and capacitor C1 outputs the boosted voltage to capacitor C2.

When there is an aging signal input in the aging signal input module 210, and the aging signal is low, the anode voltage of the diode D2 is higher than the cathode voltage, the cathode voltage of the diode D1 is higher than the anode voltage, the diode D2 is turned on, the diode D1 is disconnected, and the capacitor C2 outputs the increased power supply voltage to the pixel structure 300. At this time, the power supply 221 and the capacitor C1 form a closed loop, the power supply 221 supplies power to the capacitor C1, and the capacitor C1 starts to recharge.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To simplify the description, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, All should be considered within the scope of this description.

The above-mentioned embodiments only express several implementation manners of the present application, and their descriptions are more specific and detailed, but they should not be construed as limiting the patent scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all fall within the protection scope of the present application. Therefore, the protection scope of the patent of this application shall be subject to the appended claims.

Claims

A display panel aging circuit includes:

It includes an aging signal input module, a power input module and a power boost module. The aging signal input module and the power input module are respectively connected to the power boost module. The power input module and the power boost module are both Connected to the load;

The aging signal input module is configured to receive an aging signal;

The power input module is configured to provide a power voltage for the power boost module and the load;

The power boosting module is configured to boost the power supply voltage and output the boosted power supply voltage to the load.
The circuit for burn-in processing of a display panel according to claim 1, wherein the circuit further comprises a signal input control module, and the signal input control module is connected to the burn-in signal input module;

The signal input control module is configured to control the level conversion of the aging signal in the aging signal input module.
The circuit of claim 1, wherein the burn-in signal input module includes a digital-to-analog conversion amplifier unit and a burn-in signal output unit, and the burn-in signal output unit is connected in series to the digital-to-analog conversion amplifier unit and Between the power booster modules, the aging signal output unit is also connected to the signal input control module.
The circuit of claim 1, wherein the power boosting module includes a first energy storage unit, a second energy storage unit, and a first switching unit;

One end of the first energy storage unit is connected to the aging signal input module, and the other end is respectively connected to the first switch unit and the power input module;

One end of the first switch unit is respectively connected to the power input module and the first energy storage unit, and the other end is respectively connected to the second energy storage unit and the load;

One end of the second energy storage unit shown is connected to the first switch unit, and the other end is connected to the load.
The circuit of claim 1, wherein the power input module includes a power supply and a second switch unit, one end of the second switch unit is connected to the power supply, and the second switch unit The other end is connected to the power boost module.
The circuit of claim 4, wherein the first energy storage unit is one or more capacitors connected in series.
The circuit of claim 4, wherein the second energy storage unit is one or more capacitors connected in series.
The circuit of claim 4, wherein the first switch unit is a diode, and the anode of the first switch unit is connected to the power input module and the first energy storage unit, The negative electrode of the first switch unit is connected to the second energy storage unit.
The circuit of claim 5, wherein the second switch unit is a diode, an anode of the second switch unit is connected to the power supply, and a cathode of the second switch unit is connected to the Connect the power boost module.
A circuit for aging processing of a display panel includes an aging signal input module, a power input module, a power boost module and a signal input control module, the aging signal input module and the power input module are respectively connected to the power boost module , The power input module and the power boost module are connected to a load, and the signal input control module is connected to the aging signal input module;

The aging signal input module is configured to receive an aging signal; the aging signal input module includes a digital-to-analog conversion amplification unit and an aging signal output unit, and the aging signal output unit is connected in series between the digital-to-analog conversion amplification unit and the power supply Between the pressure modules, the aging signal output unit is also connected to the signal input control module;

The power input module is configured to provide a power supply voltage for the power boost module and the load; the power input module includes a power supply and a second switch unit, and one end of the second switch unit is connected to the power supply. The other end of the second switch unit is connected to the power boosting module;

The power boost module is configured to boost the power voltage and output the boosted power voltage to the load; the power boost module includes a first energy storage unit, a second energy storage unit, and a first A switch unit; one end of the first energy storage unit is connected to the aging signal input module, and the other end is respectively connected to the first switch unit and the power input module; one end of the first switch unit is connected to The power input module is connected to the first energy storage unit, and the other end is respectively connected to the second energy storage unit and the load; one end of the second energy storage unit is connected to the first switch unit, The other end is connected to the load;

The signal input control module is configured to control the level conversion of the aging signal in the aging signal input module.
A display panel includes a substrate, and a turn-on voltage input circuit and a pixel structure are provided on the substrate, and the turn-on voltage input circuit is connected to the pixel structure;

The turn-on voltage input circuit includes an aging signal input module, a power input module, and a power boost module, the aging signal input module and the power input module are respectively connected to the power boost module, the power input module and The power boosting modules are all connected to the pixel structure;

The aging signal input module is configured to receive an aging signal;

The power input module is configured to provide a power voltage for the power boost module and the pixel structure;

The power boosting module is configured to boost the power supply voltage and output the boosted power supply voltage to the pixel structure.
The display panel according to claim 11, wherein a shutdown voltage input circuit is further provided on the substrate, and the shutdown power input circuit is connected to the pixel structure.
The display panel according to claim 11, wherein the turn-on voltage input circuit further comprises a signal input control module, and the signal input control module is connected to the aging signal input module;

The signal input control module is configured to control the level conversion of the aging signal in the aging signal input module.
The display panel according to claim 11, wherein the aging signal input module includes a digital-to-analog conversion amplifying unit and an aging signal output unit, the aging signal output unit being connected in series between the digital-to-analog conversion amplifying unit and the power supply Between the pressure modules, the aging signal output unit is also connected to the signal input control module.
The display panel according to claim 11, wherein the power boosting module includes a first energy storage unit, a second energy storage unit, and a first switching unit;

One end of the first energy storage unit is connected to the aging signal input module, and the other end is respectively connected to the first switch unit and the power input module;

One end of the first switch unit is respectively connected to the power input module and the first energy storage unit, and the other end is respectively connected to the second energy storage unit and the pixel structure;

One end of the second energy storage unit shown is connected to the first switch unit, and the other end is connected to the pixel structure.
The display panel according to claim 11, wherein the power input module includes a power supply and a second switch unit, one end of the second switch unit is connected to the power supply, and the other end of the second switch unit is connected to the The power boost module is connected.
The display panel according to claim 15, wherein the first energy storage unit is one or more capacitors connected in series.
The display panel according to claim 15, wherein the second energy storage unit is one or more capacitors connected in series.
The display panel according to claim 15, wherein the first switching unit is a diode, and an anode of the first switching unit is connected to the power input module and the first energy storage unit, respectively, and the first The negative electrode of the switch unit is connected to the second energy storage unit.
The display panel of claim 16, wherein the second switching unit is a diode, an anode of the second switching unit is connected to the power supply, and a cathode of the second switching unit is connected to the power boosting module connection.