OLED Display Panel Step-Edge Sub-Pixel Arrangement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
OLED display panels suffer from a color edge phenomenon due to uniform sub-pixel units at step apex angles, leading to unsatisfactory display effects.
Innovation Solution
Incorporating multiple sub-pixel groups with different luminous colors along the step apex angles of the steplike edge, ensuring that first and second sub-pixel units are alternately disposed to mitigate the color edge issue, with secondary colors being yellow or white to minimize visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If uniform sub-pixel units are disposed at step apex angles, then manufacturing is simplified, but color edge phenomenon occurs affecting display quality
Solution Approach 1:
The patent applies local quality by differentiating the sub-pixel arrangement at step apex angles from the regular display region. Specifically, sub-pixel groups at step apex angles are configured with different luminous colors (e.g., yellow or white) compared to the standard RGB sub-pixel groups, thereby locally adapting the edge region to reduce color edge phenomenon while maintaining overall manufacturing simplicity.
Solution Approach 2:
The patent implements color changes by strategically placing sub-pixel groups with different luminous colors at step apex angles. Instead of using the conventional RGB sub-pixel configuration at edges, the patent introduces yellow or white sub-pixel groups that better match the human eye's color sensitivity at edge regions, thereby reducing the visible color edge effect while maintaining display quality.
2Manufacturing precision
If multiple sub-pixel groups with different luminous colors are disposed at step apex angles, then color edge phenomenon is reduced, but device complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the display region into distinct zones: regular display regions with standard RGB sub-pixel groups and edge regions at step apex angles with specially configured sub-pixel groups. This segmentation allows the complex multi-color sub-pixel arrangement to be localized only where needed at step apex angles, rather than throughout the entire display, thereby reducing overall device complexity while maintaining display quality.
Solution Approach 2:
The patent implements local quality by applying the complex multi-color sub-pixel configuration only locally at step apex angles rather than uniformly across the entire display. This localized approach reduces the overall device complexity by limiting the complex arrangement to specific edge regions where color edge phenomenon occurs, while maintaining standard simpler configurations in the bulk display area.
Data Source
AI summary
Provided are a display panel and a display device. The display panel includes a display region having a first steplike edge. The display region is provided with a plurality of sub-pixel groups. Each sub-pixel group includes a first sub-pixel unit, a second sub-pixel unit and a third sub-pixel unit. The first sub-pixel unit, the second sub-pixel unit and the third sub-pixel unit have different luminous colors. Along a connecting line of step apex angles of the first steplike edge, the display region is provided with a plurality of first sub-pixel groups and a plurality of second sub-pixel groups. The first sub-pixel unit in each first sub-pixel group is disposed at a step apex angle of the first steplike edge, and the second sub-pixel unit in each second sub-pixel group is disposed at the step apex angle of the first steplike edge.