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A method and system for improving display panel quality

A display panel and quality technology, applied in the direction of static indicators, digital memory information, instruments, etc., can solve the problems of poor brightness and chromaticity of the display panel, unpredictable display panel, poor effect, etc., and achieve the effect of improving product quality

Active Publication Date: 2020-08-25
WUHAN JINGCE ELECTRONICS GRP CO LTD
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Problems solved by technology

[0003] In the existing process, the source of any display panel is not calibrated, and it is impossible to predict which part of the display panel comes from. In the latter part of the process, Gamma (response curve of the display, that is, the nonlinear relationship between brightness and input voltage) is adjusted and Mura defects are repaired. Can use a unified initial value of CODE (a set of special register values ​​required to light up the display module), making the brightness and chromaticity of the display panel poorer, increasing the time for Gamma adjustment and Mura defect repair, and the effect after adjustment is lower Difference

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  • A method and system for improving display panel quality

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Embodiment Construction

[0027] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention.

[0028] please see figure 1 , a method for improving the quality of a display panel provided by the present invention includes the following steps of obtaining the initial value of CODE:

[0029] Step 1: Divide the large glass substrate sample into m*n areas, and mark them as IDs 11 、ID 12 ,...,ID ij ,...,ID mn , where i, j, m, n are all positive integers greater than 0;

[0030] Step 2: cutting the large glass substrate sample to obtain m*n display panel samples corresponding to the m*n areas;

[0031] Step 3: Perform gamma adjustment operation and / or M...

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Abstract

The invention discloses a method and a system for improving the quality of a display panel. The brightness / chroma / Mura data of each area block are measured through ID calibration. The data of each area block are deeply learned to acquire an initial CODE value corresponding to a group of IDs. The brightness / chroma / uniformity of the display panel is greater. An online management system carries out binding recording. In the subsequent generation of a production line, the initial CODE value is directly given to the cut display panel according to the ID number. The adjustment time of late Gamma / Demua is reduced. The production line TT is improved. The production capacity is improved. The cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of display detection, and relates to a method and system for improving the quality of a display panel, which is applied to new display panels such as OLED (Organic Light-Emitting Diode Display) and LCD (Liquid Crystal Display), and can rapidly improve production capacity and quality grade. Background technique [0002] OLED, LCD and other new display panels have the advantages of high resolution, high grayscale, and no geometric deformation. , and each large process contains dozens to dozens of small processes, and as the size of the flat-panel display becomes larger, the uniformity of the gray scale becomes more and more difficult to control, so it is inevitable that there will be Various display defects occur. On the other hand, new display panels such as OLED and LCD are cut from large glass substrates, and the quality of large glass substrates in different areas due to manufacturing equipment and manuf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36G11C19/28
CPCG09G3/36G09G2320/0673G11C19/28
Inventor 花华妹郑增强
Owner WUHAN JINGCE ELECTRONICS GRP CO LTD
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