Pixel Array Asymmetry for Display Opening Ratio
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Solution Overview
Problem
The increasing demand for high-resolution display devices, such as FHD, QHD, or UHD, poses a challenge in maximizing space utilization while minimizing the deterioration of the opening ratio of pixels due to their arrangement.
Innovation Solution
A display device with a pixel array structure featuring a plurality of unit areas, each comprising a first pixel, a second pixel, and a third pixel producing different colors, arranged in a square guideline configuration, where the first and third pixels extend along one direction and the second pixel extends perpendicularly, maintaining consistent gaps and opening ratios to enhance resolution and reduce pixel imbalance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If pixels are arranged in a conventional pattern to increase resolution, then the resolution is improved, but the opening ratio deteriorates
Solution Approach 1:
The patent applies asymmetry by arranging pixels of the same color in different directional orientations within each unit area. Specifically, first pixels extend in a first direction while second pixels extend in a second direction that crosses the first direction perpendicularly. This asymmetric arrangement allows for optimized space utilization and maintains opening ratio while achieving high resolution through the varied pixel orientations and strategic positioning within the square-guideline-based unit areas.
2Productivity
If pixels are densely arranged to maximize space utilization, then space utilization is improved, but the opening ratio deteriorates
Solution Approach 1:
The patent divides the display area into multiple unit areas, each containing a specific arrangement of pixels producing different colors (first pixels, second pixels, third pixels). Each unit area is inscribed within a square-guideline that defines the boundaries and spatial relationships. This segmentation allows for optimized pixel density within each unit while maintaining overall opening ratio through the structured repetition of these units across the display.
Solution Approach 2:
The patent utilizes dimensional arrangement by configuring pixels to extend in different directions (first direction and second direction perpendicular to it) within the same unit area. This multi-directional positioning in two dimensions allows for compact space utilization while preserving sufficient opening area, as pixels are distributed across different spatial orientations rather than being concentrated in a single arrangement pattern.
3Measurement precision
If pixels are arranged to improve resolution, then the resolution is improved, but pixel imbalance occurs
Solution Approach 1:
The patent implements local quality by assigning different orientations and positions to different types of pixels within each unit area. First pixels are disposed on a first side and extend in a first direction, while second pixels are disposed in a center region and extend in a second direction perpendicular to the first. This localized differentiation of pixel properties within each unit area, repeated across multiple units, achieves high resolution while maintaining compositional balance and preventing pixel imbalance through the structured diversity of local arrangements.
Data Source
AI summary
An exemplary embodiments provides a display device including; a plurality of unit areas, each unit areas including a first pixel, a second pixel, and a third pixel, wherein the first pixel, the second pixel, and the third pixel are configured to produce different colors, wherein each of the plurality of unit areas respectively includes a square shaped guideline inscribed therein, wherein the first pixel is disposed on a first side of the square shaped guideline, the first pixel extending in a first direction, and wherein the second pixel is disposed in a center region of the square shaped guideline, the second pixel extending in a second direction, the second direction crossing the first direction.