Display Panel Correction Data Generation for Image Uniformity
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Solution Overview
Problem
Current display panels face non-uniform image quality issues due to manufacturing processes, with limited correction methods that cannot effectively address color and brightness variations across different areas, affecting productivity.
Innovation Solution
An apparatus and method for generating correction data that detects brightness, determines non-uniform areas for each RGB color, calculates correction values, and processes correction data using a timing controller or separate hardware to improve image quality by adjusting screen split sizes and correction sections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If limited correction methods are applied to correct non-uniformity, then brightness non-uniformity can be corrected, but color and brightness variations across different areas cannot be effectively addressed
Solution Approach 1:
The display panel is divided into multiple correction sections based on detected non-uniform areas. Each correction section can be independently corrected with specific correction values, allowing the system to address different types of non-uniformity (brightness, color, gradation) in different regions of the panel simultaneously.
Solution Approach 2:
Different correction values are applied to different correction sections based on their specific non-uniformity characteristics. The system determines correction values individually for each correction section rather than applying a uniform correction, enabling tailored correction for each region's specific brightness, color, or gradation issues.
2Manufacturing precision
If excessive correction is applied to address all non-uniformity, then image quality uniformity improves, but productivity of the panel is affected
Solution Approach 1:
The system applies correction only to the necessary extent for each correction section based on the detected non-uniformity. By determining correction values specifically for sections that require correction, the system avoids unnecessary correction operations that would reduce productivity, while still achieving sufficient uniformity improvement.
Solution Approach 2:
The system automatically detects non-uniform areas and determines correction values without requiring manual intervention or excessive correction attempts. The self-service approach allows the system to adapt the correction level to the actual needs of each panel, optimizing both quality and productivity.
3Ease of manufacture
If correction is applied without considering panel characteristics, then correction process is simplified, but correction effectiveness is reduced
Solution Approach 1:
The system performs preliminary detection of non-uniform areas and determination of correction values before applying correction. By pre-analyzing the panel characteristics and detecting specific non-uniformity patterns, the system can simplify the correction process while maintaining high effectiveness through data-driven correction values.
Solution Approach 2:
The system uses detected brightness information and non-uniform area analysis as feedback to determine appropriate correction values. This feedback mechanism allows the correction process to adapt to actual panel characteristics, simplifying the overall process while improving correction effectiveness through continuous monitoring and adjustment.
Data Source
AI summary
A correction data generating apparatus, a method of generating correction data, and an image quality correction system are provided. The method of generating correction data includes detecting brightness of a display panel, determining an non-uniform area of the display panel for each RGB color based on the detected brightness, generating correction data regarding the non-uniform area by determining a screen split size and a correction section for correcting an image quality of the display panel based on the non-uniform area, and storing the generated correction data. In this case, the correction data is stored in a storage of a display apparatus controlling the display panel, and the display apparatus corrects an image quality of the display panel using the correction data.