Display Device Dam Structure with Variable Gaps for Narrow Bezels
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing display devices face challenges in reducing bezel width while maintaining effective moisture penetration prevention and improving substrate bonding properties.
Innovation Solution
The display device incorporates a first substrate divided into a display area and a non-display area with a dam between the substrates, featuring varying gaps and surface modifications to enhance bonding and moisture resistance, even with reduced bezel width.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the bezel width is reduced, then the non-display area is minimized, but the moisture penetration prevention capability deteriorates
Solution Approach 1:
The patent applies local quality by creating different gap sizes in different regions of the non-display area. The first gap in the first area is larger than the second gap in the second area, allowing optimized moisture prevention in critical regions while maintaining minimal bezel width overall. This regional differentiation enables effective moisture blocking without requiring uniform increased bezel width.
2Area of stationary object
If the bezel width is reduced, then the non-display area is minimized, but the substrate bonding property deteriorates
Solution Approach 1:
The patent implements local quality by varying the gap sizes in different areas of the non-display region. By making the first gap larger than the second gap, the structure provides enhanced bonding in specific regions while maintaining overall compactness. This localized structural variation strengthens substrate bonding without requiring increased overall bezel width.
3Strength
If the gap between substrates is increased, then the bonding surface area is reduced, but the substrate bonding property improves
Solution Approach 1:
The patent applies local quality by creating non-uniform gap distribution where the first gap is larger than the second gap. This allows the bonding structure to achieve enhanced bonding properties in specific regions with larger gaps while maintaining adequate bonding surface area in other regions. The localized variation optimizes bonding strength without requiring uniform reduction of bonding surface.
Data Source
AI summary
A display device can include a first substrate divided into a display area and a non-display area, a second substrate disposed on the first substrate, and a dam provided in the non-display area, disposed between the first substrate and the second substrate, and configured to bond the first substrate and the second substrate. The non-display area includes a first area and a second area. Further, a first gap between the first substrate and the second substrate in the first area of the non-display area is larger than a second gap between the first substrate and the second substrate in the second area of the non-display area.