Voltage Compensation Method for Display Panel

A display panel, voltage compensation technology, applied in the direction of static indicators, instruments, etc.

Active Publication Date: 2020-10-27
HKC CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to provide a voltage compensation method for the display panel to solve the problem that the parasitic capacitance can not avoid the influence of the voltage on the existing display panel during the design.

Method used

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  • Voltage Compensation Method for Display Panel
  • Voltage Compensation Method for Display Panel
  • Voltage Compensation Method for Display Panel

Examples

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Embodiment Construction

[0049] In order to make the above purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.

[0050] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another elem...

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Abstract

A voltage compensation method for a display panel, comprising: acquiring a grayscale value of an Nth frame of a plurality of pixel points and a grayscale value of an (N-1)th frame of the plurality of pixel points (S102); determining a compensation voltage value of the Nth frame of the plurality of pixel points according to the grayscale value of the Nth frame of the plurality of pixel points, the grayscale value of the (N-1)th frame of the plurality of pixel points, and a preset rule, the preset rule comprising a correlation between the grayscale value of the Nth frame of the plurality of pixel points, the grayscale value of the (N-1)th frame of the plurality of pixel points, and the compensation voltage value of the Nth frame of the plurality of pixel points (S104); and processing an input voltage value of the Nth frame of the plurality of pixel points and the compensation voltage value, so as to obtain an actual input voltage, and inputting the actual input voltage to the display panel (S106).

Description

technical field [0001] The present application relates to the field of display technology, in particular to a voltage compensation method for a display panel. Background technique [0002] TFT-LCD (Thin Film Transistor-Liquid Crystal Display, Thin Film Transistor Liquid Crystal Display) when the TFT (Thin Film Transistor, Thin Film Transistor) is turned on to off, the charge on the pixel electrode no longer flows to the data line, and will enter the charge conservation . [0003] Because of the parasitic capacitance between the gate and the source, the voltage on the pixel electrode will have a variation, which causes the pixel voltage set by the data line to change after the TFT is turned off. And this fluctuating voltage will not only cause the final gray scale displayed by the pixel to deviate from the desired gray scale originally written in the voltage. It will also cause the original data line to write positive and negative polarity symmetrical voltages, which will d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36
CPCG09G3/3607
Inventor 何怀亮
Owner HKC CORP LTD
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