Profiled Display Panel Border Brightness Control
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Solution Overview
Problem
Profiled display panels with non-rectangular shapes face issues of jagged patterns and uneven brightness near the border due to mismatched pixel units and border lines, affecting display quality.
Innovation Solution
Incorporating low-brightness pixels and regular pixels with varying aperture heights and arrangements near the profiled border, where low-brightness pixels have smaller aperture heights and gradually increasing aperture areas towards the display region, to reduce brightness differences and smooth the transition from border to display area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional rectangular pixel units are used in a profiled display panel with non-rectangular border, then the pixel structure remains simple and manufacturing is easier, but the pixel units do not fully fit the profiled border region causing jagged patterns and affecting display quality
Solution Approach 1:
The patent applies local quality by differentiating pixel structures based on their position relative to the profiled border. Pixels adjacent to the profiled border are designed with different structures (including low-brightness pixels with reduced aperture areas) compared to regular pixels in the interior region. This localized structural differentiation enables the pixel array to conform to the non-rectangular profiled border, eliminating jagged patterns and improving display quality at the border regions without requiring complete redesign of all pixels.
2Manufacturing precision
If low-brightness pixels with smaller aperture areas are arranged near the profiled border, then the jagged display phenomenon is alleviated and brightness uniformity is improved, but the aperture area of individual pixels is reduced
Solution Approach 1:
The patent implements parameter changes by varying the aperture area of pixels based on their spatial location. Pixels near the profiled border are designed with smaller aperture areas compared to pixels in the interior region. This gradual parameter transition from smaller to larger aperture areas creates a smooth brightness gradient that eliminates the jagged display phenomenon at the border while maintaining overall display brightness through the cumulative effect of all pixels.
3Shape
If the aperture area of pixels near the profiled border is reduced to match the border shape, then the display region fits the profiled border better, but the brightness of these pixels becomes insufficient compared to regular pixels
Solution Approach 1:
The patent applies local quality by creating different pixel types for different regions. Low-brightness pixels with reduced aperture areas are specifically designed for positions adjacent to the profiled border, while regular pixels with full aperture areas are used in the interior region. This localized structural differentiation enables the display region to conform to the non-rectangular profiled border shape while managing brightness expectations for border-adjacent pixels.
Solution Approach 2:
The patent implements parameter changes by systematically varying the aperture area parameter across the pixel array. Pixels near the profiled border are designed with smaller aperture areas that scale with their distance from the border, creating a gradient transition. This parameter variation allows the display region to match the profiled border shape while the overall brightness is maintained through the combined output of all pixels including the interior regular pixels with larger apertures.
Data Source
AI summary
A profiled display panel is provided, the display region thereof has profiled border. The profiled display panel comprises low-brightness pixels and regular pixels. The pixels form pixel rows and pixel columns. The pixel row or column comprises pixel group comprising first and second pixel group. The number of pixels adjacent to the profiled border in first pixel group is greater than that of in second pixel group. The number of the low-brightness pixels in first pixel group is greater than or equal to that of in second pixel group. The wiring direction of the data line is second direction. The pixel comprises at least three sub-pixels. An aperture height of the sub-pixels in the low-brightness pixel is smaller than that of in the regular pixel along second direction. An aperture area of the low-brightness pixel is gradually increased in a direction from the profiled border to the display region.