Liquid Crystal Display Panel Highlight Sub-Pixel Arrangement
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Solution Overview
Problem
Traditional liquid crystal display panels have a low ratio of highlight sub-pixels to total sub-pixels, which limits their transmittance and brightness.
Innovation Solution
The liquid crystal display panel is designed with a structure where each repeat unit consists of sub-units arranged in both row and column directions, with an equal number of color sub-pixels and highlight sub-pixels, increasing the highlight sub-pixel area to 50% of the total sub-pixel area, enhancing transmittance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the ratio of highlight sub-pixels to total sub-pixels is increased to improve transmittance, then the brightness and transmittance of the display panel are improved, but the area available for color sub-pixels is reduced
Solution Approach 1:
The display panel divides sub-pixels into distinct functional groups: color sub-pixels (RGB) and highlight sub-pixels (W), organized in a systematic pattern where each unit contains 2 color sub-pixels and 2 highlight sub-pixels. This segmentation allows independent optimization of each sub-pixel type's area and function, enabling the highlight sub-pixel ratio to reach 50% while maintaining complete color coverage through the structured arrangement of color sub-pixels.
2Illumination intensity
If the highlight sub-pixel area is increased to 50% of total sub-pixel area, then the transmittance is improved, but the color saturation may be affected
Solution Approach 1:
Different regions of the display panel are assigned different sub-pixel functions in a systematic pattern. Color sub-pixels (red, green, blue) are strategically positioned to ensure complete color coverage in each display unit, while highlight sub-pixels are placed in specific locations to maximize brightness enhancement. This local differentiation ensures that color accuracy is maintained in color-critical regions while brightness is enhanced in highlight regions, achieving both goals simultaneously.
Data Source
AI summary
Embodiments of the present disclosure provide a liquid crystal display panel, including: a first substrate; a second substrate; and a liquid crystal layer arranged therebetween; the first substrate includes a plurality of sub-pixels, the sub-pixels are divided into a plurality of repeat units arranged in an array, each repeat units includes a plurality of sub-units arranged in an array; in each repeat units, a first sub-unit, a second sub-unit and a third sub-unit are arranged in both a row direction and a column direction; and each of the first sub-unit, the second sub-unit and the third sub-unit includes at least two color sub-pixels and at least two highlight sub-pixels; in each sub-unit, a total number of the color sub-pixel is equal to a total number of the highlight sub-pixel; a total number of the first, second and third color sub-pixel in each sub-unit is the same.