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Optical compensation method of display panel and storage medium

A display panel and optical compensation technology, applied to static indicators, instruments, etc., can solve problems such as color anomalies, achieve the effect of reducing display brightness and reducing overcompensation

Active Publication Date: 2021-08-20
WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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Problems solved by technology

[0004] The invention is used to solve the technical problem in the existing panel optical compensation technology that the display panel is prone to color abnormality in the local display area under low gray scale or low DBV mode

Method used

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  • Optical compensation method of display panel and storage medium
  • Optical compensation method of display panel and storage medium

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Embodiment Construction

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0020] Such as figure 2 As shown, the present invention provides an optical compensation method for a display panel, which is applied to a display panel with a DeMura module, and the display panel includes a display area. The compensation method of the present invention is external compensation, and the external compensation can be divided into optical extraction type and electrical extraction type according to different data extraction methods. The optical extraction...

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Abstract

According to the optical compensation method of the display panel and the storage medium, optical data are processed, on the premise that the compensation effect is not affected, the compensation range of a bright display area or a bright point is compressed, and excessive compensation badness caused by the reasons of 'yin and yang screens' is reduced. The voltage value of the high-brightness area is reduced by adjusting the low-gray-scale compensation target value, so that the display brightness of the area with overlarge brightness is reduced, the risk that the pixel brightness is about to be zero is reduced, and the overall display effect is more natural; and the low-gray-scale voltage value is limited, so that abnormal point display abnormity caused by abnormal point excessive compensation is prevented.

Description

technical field [0001] The invention relates to the field of display technology, in particular to an optical compensation method for a display panel. Background technique [0002] The active-matrix organic light-emitting diode (AMOLED) panel process is complicated, and various organic and inorganic layers are stacked, involving more film-forming equipment; due to the difference in process stability, the entire panel It is difficult to achieve uniform film thickness and consistent characteristics of thin film transistors. After the panel is lit, the brightness of each pixel is uneven, showing many uncontrollable moiré fringes (Mura). [0003] For Mura, external compensation is often used to eliminate it, that is, the Demura process. However, due to the low brightness of the low gray scale, the short charging time of the circuit, the Mura form is more serious, especially on the edge of the panel. Due to the limitation of the process, the uniformity of the film layer is poor, ...

Claims

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Application Information

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IPC IPC(8): G09G3/3225
CPCG09G3/3225G09G2320/0233G09G2320/0673
Inventor 王业栋梁鹏飞占慧兰李付成汪振环
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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