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A pixel driving method and pixel driving circuit

A driving method and pixel electrode technology, applied in the direction of static indicators, instruments, etc., can solve problems such as poor stripes, and achieve the effect of avoiding polarization and eliminating bad stripes

Active Publication Date: 2022-04-12
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention provides a pixel driving method and a pixel driving circuit to solve the problem of poor horizontal stripes when the existing display device is awakened by gestures to brighten the screen

Method used

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  • A pixel driving method and pixel driving circuit
  • A pixel driving method and pixel driving circuit
  • A pixel driving method and pixel driving circuit

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Experimental program
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Embodiment 1

[0048] refer to Figure 4 , shows a flow chart of the steps of a pixel driving method according to Embodiment 1 of the present invention, the method includes the following steps:

[0049]Step 101: In the off-screen condition, input a first voltage to the gate of the thin film transistor of the pixel for a preset period of time; the first voltage is greater than or equal to the threshold voltage of the thin film transistor.

[0050] In the embodiment of the present invention, when the user does not need to use the display device, the display device can enter the off-screen state by pressing a power button, a shortcut key to turn off the screen, and the like.

[0051] Figure 5 It shows a pixel driving timing diagram of Embodiment 1 of the present invention, refer to Figure 5 , in the first stage T1 after entering the off-screen state, the gate voltage V of the thin film transistor of the pixel gate The VGL voltage is kept at the VGL voltage, and the VGL voltage is lower tha...

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PUM

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Abstract

The invention provides a pixel driving method and a pixel driving circuit, which relate to the field of display technology. Wherein, the method includes: when the screen is off, inputting a first voltage to the gate of the thin film transistor of the pixel for a preset period of time; the first voltage is greater than or equal to the threshold voltage of the thin film transistor; The gate inputs a second voltage to enter the gesture wake-up mode; the second voltage is less than the threshold voltage. In the embodiment of the present invention, before entering the gesture wake-up mode, the thin film transistor of the pixel can be turned on by the first voltage, so as to release the residual charge in the pixel, so that the charge conservation in the pixel is no longer satisfied. In this way, after entering the gesture wake-up mode, the gate The change of the electrode voltage will not cause the increase of the pixel voltage, thereby avoiding the polarization effect of the electric field formed by the increase voltage on the liquid crystal, thereby eliminating the defect of horizontal stripes after the gesture wakes up the display device.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a pixel driving method and a pixel driving circuit. Background technique [0002] "Gesture wake-up" means that in the state of the off-screen, by executing the graphics or actions preset by the user on the screen to quickly turn on the screen or quickly open the application software and other functions, it can reduce the cumbersomeness of unlocking and opening the application software. . [0003] However, in the trust test of the display device, after the wake-up gesture of the user double-tapping the screen is detected, some display devices have a problem of poor horizontal stripes when the screen is turned on. Contents of the invention [0004] The present invention provides a pixel driving method and a pixel driving circuit to solve the problem of poor horizontal stripes when the existing display device is awakened by a gesture to brighten the screen. [0005] In ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36
CPCG09G3/3648
Inventor 李京勇王颜彬洪俊秦建伟
Owner BOE TECH GRP CO LTD