Display Panel Signal Terminal Distribution for Uniform Brightness
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing display technologies face challenges in achieving uniformity of display brightness due to voltage drop issues in power supply voltage signals, leading to uneven brightness across the display area.
Innovation Solution
The implementation of multiple first signal terminals and corresponding signal lines in a display panel, with a higher number of terminals arranged away from the edge, to improve transmission efficiency and reduce voltage drop, thereby enhancing brightness uniformity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple first signal terminals are introduced to improve transmission rate and reduce voltage drop, then display brightness uniformity is improved, but device complexity increases
Solution Approach 1:
The patent divides the power supply signal transmission into multiple segments by introducing multiple first signal terminals (first group and second group) with corresponding signal lines. This segmentation allows the power voltage signal to be transmitted through multiple parallel paths, reducing the voltage drop in each segment and improving overall brightness uniformity across the display panel.
Solution Approach 2:
The patent arranges signal terminals in two groups along the first direction with different distributions, and extends signal lines along the second direction perpendicular to the first direction. This multi-dimensional arrangement creates a more efficient transmission network that reduces voltage drop without significantly increasing overall complexity.
2Speed
If more first signal terminals are arranged away from the edge, then voltage drop is reduced and transmission rate is improved, but the arrangement complexity increases
Solution Approach 1:
The patent applies different arrangement strategies to different regions of the display panel. The first group of signal terminals is arranged along the first direction with specific spacing, while the second group is distributed differently. This local differentiation optimizes the transmission rate in various regions while managing the overall arrangement complexity through systematic patterns.
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A display panel and a display device are provided. The display panel includes a display area being arranged with pixels electrically connected to a pixel circuit; and first signal terminals arranged along a first direction and first signal lines respectively connected to the first signal terminals. The first signal terminals are configured to provide a first power voltage signal to the pixel circuit through the first signal lines. The first signal terminals include a first group of signal terminals and a second group of signal terminals, a number of the first signal terminals included in the second group of signal terminals is greater than a number of the first signal terminals included in the first group of signal terminals, and along the first direction, the first group of signal terminals are located between the second group of signal terminals and an edge of the display panel.