Display Scan-Line Layout for Faster Pixel Charging
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Solution Overview
Problem
Existing display devices face challenges in improving reliability due to limitations in charging rate.
Innovation Solution
The display device incorporates a specific configuration of scan lines and sub-scan lines, with varying widths and arrangements in different pixel areas, to enhance the charging rate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the scan lines and sub-scan lines are configured with varying widths and specific connections, then the charging rate is improved, but the device complexity increases
Solution Approach 1:
The scan lines are divided into multiple sub-scan lines (first sub-scan lines and second sub-scan lines) with different widths and connection patterns. This segmentation allows different regions to have optimized line widths for charging rate improvement while maintaining overall system functionality.
Solution Approach 2:
Different sub-scan lines have different widths tailored to their specific functional requirements. The first sub-scan lines have one width configuration while the second sub-scan lines have another width configuration, optimizing local electrical characteristics for improved charging rate in different pixel areas.
2Productivity
If the second sub-scan line width in the second pixel area is increased, then the charging rate is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The patent changes the width parameter of the second sub-scan line in the second pixel area to be greater than in the first pixel area. This parameter change optimizes the charging rate by reducing resistance in regions requiring higher current, while the width differences are designed to be manufacturable with standard precision capabilities.
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 configuration improves the charging rate, thereby enhancing the reliability of the display device.
Implementation Method 1
the scan lines are electrically connected to at least one of the first sub-scan lines and the second sub-scan lines... A width of the second sub-scan line of the second pixel area may be greater than a width of the second sub-scan line of the first pixel area... This configuration enhances the charging rate and reliability of the display device by decreasing resistance
Data Source
AI summary
A display device includes: a display area and a non-display area; a first pixel area and a second pixel area, each provided in the display area; scan lines extending in a first direction and disposed in the first pixel area and the second pixel area; first sub-scan lines extending in a second direction and disposed in the first pixel area, the second direction intersecting the first direction; second sub-scan lines extending in the second direction and disposed in the first pixel area and the second pixel area; and a pad part provided in the non-display area, the pad part being electrically connected to the first sub-scan lines and the second sub-scan lines. The scan lines are electrically connected to at least one of the first sub-scan lines and the second sub-scan lines. The first sub-scan lines do not overlap the second pixel area in a plan view.