Mini-LED Panel Layout for Side-View Color Uniformity
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Solution Overview
Problem
Mini-LED display screens experience color deviation when viewed from the side due to asymmetrical light patterns, affecting image quality.
Innovation Solution
The display panel design features light-emitting chips arranged in an array with shared N or P poles, and adjacent columns are mirror-symmetrically arranged to ensure that electrodes of the same polarity are located on the outermost sides, eliminating color deviation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If light-emitting chips are arranged in an array with shared N or P poles, then manufacturing complexity is reduced, but color deviation occurs in side-views due to asymmetrical light patterns
Solution Approach 1:
The patent applies asymmetry principle by intentionally designing mirror-symmetrical arrangements of light-emitting chips around a central axis. Each column of chips is positioned at specific distances from the center line, with alternating N-pole and P-pole orientations. This controlled asymmetry in chip arrangement and polarity distribution creates symmetrical light patterns that eliminate color deviation while maintaining manufacturing simplicity through the shared electrode structure.
2Object-affected harmful factors
If light-emitting chips are arranged with alternating N and P poles in columns, then color uniformity is improved, but device structure becomes more complex
Solution Approach 1:
The patent merges multiple N poles into a shared common N pole and multiple P poles into a shared common P pole for adjacent columns of light-emitting chips. This consolidation reduces the total number of electrodes required, simplifying the device structure while maintaining the alternating polarity arrangement that ensures color uniformity across the display panel.
3Object-affected harmful factors
If mirror-symmetrical arrangement of light-emitting chips is implemented, then color deviation is eliminated, but manufacturing precision requirements increase
Solution Approach 1:
The patent implements local quality by assigning specific positioning requirements only to critical elements: the distance from each column to the center line and the orientation of N/P poles relative to adjacent columns. Rather than requiring uniform high precision across all chips, the design focuses precision requirements on the mirror-symmetrical relationships, allowing greater tolerance for non-critical positioning parameters.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This arrangement eliminates color deviation in side-views by ensuring that N and P poles are consistently positioned on the outer sides, enhancing image quality by maintaining uniform brightness and color across different viewing angles.
Implementation Method 1
a plurality light-emitting chips arranged in an array; each light-emitting chip includes an N pole and a P pole
Data Source
AI summary
Display panels and display devices are provided. The display device includes the display panel, which includes a plurality light-emitting chips arranged in an array. Each light-emitting chip includes an N pole and a P pole. The light-emitting chips in a same column are arranged to share a common N pole or a common P pole. At least one column of light-emitting chips are arranged in a first light-emitting area, and at least one column of light-emitting chips are arranged in a second light-emitting area adjacent to the first light-emitting area. The light-emitting chips in the first light-emitting area and the light-emitting chips in the second light-emitting area are mirror-symmetrical.