Display Device Curved Substrate Corner Radius Optimization
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current display devices face challenges in minimizing their frame size due to inefficient layouts of peripheral circuits, which hinder the reduction of the peripheral area and affect the overall compactness of the device.
Innovation Solution
The display device employs a configuration where the first substrate has a terminal area sandwiched between curved sides of the second substrate, with specific radii of curvature for the corners, allowing for a more compact layout of peripheral circuits and a reduced frame size by optimizing the placement of scanning line drivers, signal line drivers, and common electrodes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If the peripheral area is reduced to narrow the frame, then the frame size is narrowed, but the layout of peripheral circuits becomes difficult to optimize
Solution Approach 1:
The patent applies curvature to the corner portions of the substrates, where the second substrate has a smaller radius of curvature at its corner than the first substrate. This curved configuration allows peripheral circuits to be arranged more efficiently in the corner regions, enabling frame narrowing while maintaining proper circuit layout and spacing.
2Length of stationary object
If the peripheral area is reduced, then the frame size is narrowed, but the placement of scanning line drivers and signal line drivers becomes constrained
Solution Approach 1:
The curved corner portions with different radii of curvature create optimized space for placing scanning line drivers and signal line drivers. The smaller radius of curvature on the second substrate at the corner allows these drivers to be positioned more compactly, facilitating frame narrowing while ensuring proper driver placement and electrical connections.
3Length of stationary object
If the peripheral area is reduced, then the frame size is narrowed, but the arrangement of common electrodes becomes difficult
Solution Approach 1:
The curved configuration of the substrate corners with specific radii of curvature provides optimized space for arranging common electrodes. This curvature allows the electrodes to be positioned appropriately in the reduced peripheral area, enabling frame narrowing while maintaining proper electrode arrangement for touch detection functionality.
Data Source
AI summary
According to one embodiment, a display device includes a first substrate including a display area, a terminal area, a first side and a third side, and a second substrate opposed to the first substrate and including a fifth side and a seventh side. The terminal area is sandwiched between the third side and the seventh side. The first substrate includes a first round corner between the first side and the third side. The second substrate includes a third round corner between the fifth side and the seventh side. A radius of curvature of the third round corner is smaller than a radius of curvature of the first round corner.