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Full-gray-scale point-by-point correction method and related device

A point-by-point correction and full-gray-scale technology, applied to instruments, static indicators, etc., can solve problems such as different correction effects and inconsistent Mura, and achieve the effect of solving inconsistent correction effects

Pending Publication Date: 2022-03-22
XIAN NOVASTAR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When correcting, all image corrections corresponding to gray scales are corrected by this correction coefficient, which leads to different correction effects of different gray scales, that is, the problem of Mura inconsistency between different gray scales

Method used

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  • Full-gray-scale point-by-point correction method and related device
  • Full-gray-scale point-by-point correction method and related device
  • Full-gray-scale point-by-point correction method and related device

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Embodiment Construction

[0051] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0052] It should be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of described features, integers, steps, operations, elements and / or components, but does not exclude one or more other Presence or addition of features, wholes, steps, operations, elements, components and / or collections thereof.

[0053] It should...

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Abstract

The method is suitable for the technical field of display. The embodiment of the invention provides a full-gray-scale point-by-point correction method and a related device, and the method carries out the point-by-point correction of pixel points of a to-be-displayed image through the correction coefficients of a plurality of gray scales, selects the corresponding correction coefficients according to the gray scales corresponding to the pixel points, enables the different gray scales to be corrected in a targeted manner, and improves the correction precision. The problem that the correction effects of different gray scales are inconsistent is solved.

Description

technical field [0001] The present application belongs to the field of display technology, and in particular relates to a full gray scale point-by-point correction method and a related device. Background technique [0002] With the development of light-emitting diode (light-emitting diode, LED) display technology, LED display screens are currently being applied to various fields due to their advantages of low cost, low power consumption, high visibility, and free assembly. At the same time, with the popularization of LED display applications, people have higher and higher requirements for its display quality. Therefore, how to improve the display quality of LED display screens has become a research hotspot in this field. [0003] One of the more difficult problems currently existing is that the brightness and chromaticity uniformity (Mura) of LED displays is relatively poor. When displaying the same gray scale, the screen will clearly display bright color blocks. The proble...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/20G09G3/32G09G3/3208
CPCG09G3/20G09G3/32G09G3/3208G09G2320/0233
Inventor 何国经从洪春杨城
Owner XIAN NOVASTAR TECH