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Gamma adjusting method and device of display panel

A technology for display panels, adjustment methods, applied in the direction of static indicators, instruments, etc.

Active Publication Date: 2020-10-20
KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Based on this, it is necessary to provide a gamma adjustment method and device for a display panel for the problem of display color cast under low brightness and low grayscale

Method used

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  • Gamma adjusting method and device of display panel
  • Gamma adjusting method and device of display panel
  • Gamma adjusting method and device of display panel

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Embodiment Construction

[0054] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0055]This application provides a gamma adjustment method of a display panel. When the color cast problem of the display panel is serious, the gamma adjustment method of the present application can be used to improve the color cast problem after performing the first demura on the display panel. After conventional demura, when the problem of color cast still exists, use the gamma adjustment method provided by this application.

[0056] In one embodiment, such as figure 1 As shown, a gamma adjustment method of a display panel is provided, including the following steps:

[...

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Abstract

The invention relates to a gamma adjusting method and device of a display panel. Firstly, single-color pictures of a display panel under a plurality of target gray scales are collected; wherein the target gray scale is located in a low gray scale interval; then display data of each monochrome picture is obtained under each target gray scale; according to the display data of each monochrome pictureunder each target gray scale, a relative standard deviation of each monochrome picture is obtained under each target gray scale; when the relative standard deviation is large, the corresponding target gray scale can be determined as the to-be-adjusted gray scale, the to-be-adjusted gray scale is obtained through the relative standard deviation, gamma adjustment is more targeted and directive, andtherefore the color cast problem of the display panel under the low gray scale can be solved.

Description

technical field [0001] The present application relates to the technical field of display panels, in particular to a gamma adjustment method and device for a display panel. Background technique [0002] Most traditional display panels use low-temperature polysilicon thin film transistors or oxide thin film transistors as driving transistors. Compared with general amorphous silicon thin film transistors, low-temperature polysilicon thin film transistors and oxide thin film transistors have higher mobility and more stable characteristics, and are more suitable for AMOLED (Active-matrix organic light-emitting diode, active matrix Organic Light Emitting Diodes) in display devices. However, due to the limitations of the crystallization process, low-temperature polysilicon thin film transistors fabricated on large-area glass substrates often have non-uniformity in electrical parameters such as threshold voltage and mobility. This non-uniformity will be transformed into OLED displa...

Claims

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Application Information

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IPC IPC(8): G09G3/3225
CPCG09G3/3225G09G2320/0276
Inventor 张芦
Owner KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD