Display Panel Gate-Line Layout Across a Transmission Area

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Solution Overview

Problem

Current display devices face challenges in maximizing the display area while minimizing the non-display area, which limits their efficiency and user experience, especially as they become thinner and more lightweight.

Innovation Solution

The display device incorporates a substrate with defined transmission, display, and non-display areas, featuring a peripheral area with gate driving circuits and connection lines that electrically connect gate and scan lines across the transmission area, reducing the non-display area by bypassing it with connection lines, thus increasing the display area.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of stationary object

If the non-display area is reduced to expand the display area, then the display area utilization is improved, but the gate driving circuits and connection lines cannot be properly arranged

Engineering Contradiction:
Improvedisplay areaVSAvoidarrangement of gate driving circuits and connection lines
Core Design Contradiction:
Area of stationary objectVSDevice complexity

Solution Approach 1:

The gate driving circuits are divided into multiple separate circuits distributed along the pixel columns, rather than concentrating all circuits in one location. This segmentation allows the circuits to be arranged in the peripheral area while maintaining proper spacing and connection to the display area, resolving the conflict between reducing non-display area and properly arranging driving circuits.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The connection lines are routed through the non-display area to connect gate lines that are physically separated by the transmission area. This uses the non-display area as a conduit dimension, allowing electrical connections without occupying additional display area, thus expanding the effective display area while maintaining circuit functionality.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Area of stationary object

If the display area is expanded by reducing the non-display area, then the visual space is increased, but the signal transmission paths become more complex

Engineering Contradiction:
Improvedisplay areaVSAvoidsignal transmission paths
Core Design Contradiction:
Area of stationary objectVSDevice complexity

Solution Approach 1:

The non-display area serves as an intermediary space that contains connection lines acting as mediators to transmit signals between gate lines separated by the transmission area. This intermediary approach allows signal transmission without requiring the gate lines to be physically continuous, enabling display area expansion while maintaining proper signal paths.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The non-display area performs multiple functions: it houses the gate driving circuits, provides routing paths for connection lines, and allows signal transmission between separated gate lines. This multi-functionality reduces the need for separate dedicated spaces for each function, enabling display area expansion without compromising signal transmission capability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS20230413624A1Display device
Publication Date: 2023.12.21 SAMSUNG DISPLAY CO LTD
  • US20230413624A1 patent drawing
  • US20230413624A1 patent drawing
  • US20230413624A1 patent drawing

AI summary

A display device includes: a substrate in which a transmission area, a display area, a non-display area and the display area, and a peripheral area are defined; pixels arranged on the display area; initialization gate lines and compensation gate lines extending along pixel rows; gate driving circuits disposed on the peripheral area; and gate connection lines disposed on the non-display area. A k-th gate driving circuit among the gate driving circuits simultaneously drives m-th and (m+1)-th initialization gate lines and n-th and (n+1)-th compensation gate lines. First portions of the n-th and (n+1)-th compensation gate lines and second portions of the n-th and (n+1)-th compensation gate lines, which are physically apart from each other by the transmission area, are electrically connected to each other through a first gate connection line among gate connection lines.