Display Panel Trace Layout for Under-Camera Pixel Density
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Solution Overview
Problem
Existing display panels face challenges in maximizing the screen-to-body ratio and ensuring effective display in regions with limited connection traces, particularly when accommodating features like cameras, leading to poor display effects.
Innovation Solution
The display panel design includes separate layers for connection traces, with first and second connection traces connecting pixel circuit groups to light-emitting units in different regions, allowing for increased light-emitting unit density without increasing the number of connection traces, and using dummy electrode patterns to avoid overlap and interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the number of connection traces is increased to improve display coverage, then the display effect is improved, but the manufacturing complexity increases
Solution Approach 1:
The patent introduces a time dimension by implementing sequential scanning of pixel circuit groups. Instead of providing simultaneous connection traces to all light-emitting units, the system scans through different pixel circuit groups at different time periods, enabling display coverage without proportionally increasing the number of physical connection traces.
Solution Approach 2:
The pixel circuits are divided into multiple pixel circuit groups that are scanned sequentially. This segmentation allows the system to manage complex display requirements by breaking down the connection network into manageable segments that are activated in sequence, reducing the overall connection trace requirements.
2Area of stationary object
If light-emitting unit density is increased to maximize screen-to-body ratio, then the display area is improved, but the connection trace management becomes more difficult
Solution Approach 1:
By introducing temporal scanning, the system can accommodate higher light-emitting unit density without proportionally increasing connection complexity. The sequential activation of pixel circuit groups allows dense packing of light-emitting units while managing connections through time-multiplexed scanning.
Solution Approach 2:
The system implements dynamic scanning of pixel circuit groups, where different groups are activated at different time periods. This dynamic approach allows the display to adapt to high-density configurations by sequentially managing connections rather than requiring static simultaneous connections to all units.
3Area of stationary object
If pixel circuit groups are distributed across multiple regions, then the display coverage is improved, but the connection trace routing becomes more complex
Solution Approach 1:
The display is divided into multiple display regions with pixel circuit groups distributed across them. Each pixel circuit group is scanned in sequence, which simplifies the routing requirements compared to providing simultaneous connections to all regions. The segmentation allows independent scanning of each region while maintaining overall display coverage.
Data Source
AI summary
Provided are a display panel and a display device. A plurality of second pixel circuit groups in a first display region in the display panel includes a first-type second pixel circuit group distal from a second display region and a second-type second pixel circuit group proximal to the second display region. The first-type second pixel circuit group is connected to a first-type second light-emitting unit group, distal from the first display region, in the second display region through a first connection trace. The second-type second pixel circuit group is connected to a second-type second light-emitting unit group, proximal to the first display region, in the second display region through a second connection trace.