Compensation method and compensation device for display panel

By partitioning and data compensation for the first display area of ​​the display panel, the problem of uneven display is solved, and better display uniformity and effect are achieved.

CN115588395BActive Publication Date: 2025-04-01HEFEI VISIONOX TECH CO LTD +1
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Patent Information

Application Number
CN202211193766.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-09-28
Publication Date
2025-04-01
Estimated Expiration
2042-09-28

AI Technical Summary

Technical Problem

The display panel using under-screen camera technology has an uneven display problem, which affects the display effect.

Method used

By shooting the display image when setting grayscale is set by shooting the display panel, display data is acquired, and the first display area is divided into a first sub-display area and a second sub-display area. According to the display data of each sub-display area, the display data of adjacent pixel units is determined, the display data is divided and the display data is updated, and the display compensation value is determined to improve display uniformity.

Benefits of technology

Effectively compensate the Mura of the display panel, eliminates dark bands, improves the display effect, and does not require additional special processes. The compensation speed is faster and the process cost is lower.

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Abstract

The present invention discloses a compensation method and compensation device for a display panel, the method comprising obtaining first display data of a first display area from display data; dividing the first display area into a first sub-display area and a second sub-display area according to the first display data; determining the first display data of an adjacent position of the first sub-display area to obtain first preset display data, and determining the first display data of an adjacent position of the second sub-display area to obtain second preset display data; dividing the first preset display data and the second preset display data into a plurality of first groups and a plurality of second groups respectively, updating the display data of the first group to obtain a third preset display data, and updating the display data of the second group to obtain a fourth preset display data; determining a display target value according to the fourth preset display data, and determining a display compensation value of each pixel unit in the first display area according to the display target value, the third preset display data and the fourth preset display data. The present invention improves the display effect of the display panel.
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