Display Panel ID Pattern on Substrate Side Surface
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Solution Overview
Problem
In display devices, the space for forming a panel identification number (ID) is insufficient in structures with minimized non-display regions, making it difficult to manage production history and recognize the ID efficiently.
Innovation Solution
Positioning the panel ID on the side surface of one substrate, allowing for a narrow bezel and enabling easier recognition and management of production processes by including information on the characteristics and history of the display panel, with options for reflective layers, black dyes, or embossed patterns for enhanced visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If the non-display region is minimized to achieve a narrow bezel, then the bezel width is reduced, but the space for forming the panel ID becomes insufficient
Solution Approach 1:
The panel ID is relocated from the non-display region (2D plane) to the side surface of the substrate (3D space). This dimensional transition allows the ID to be positioned outside the constrained bezel area, resolving the conflict between narrow bezel requirements and sufficient ID formation space.
2Ease of manufacture
If the panel ID is formed on the non-display region, then the ID can be included in the display panel structure, but the recognition rate is reduced due to narrow bezel constraints
Solution Approach 1:
By moving the ID formation location from the constrained 2D non-display region to the 3D side surface, the ID gains additional space for formation while maintaining structural integration. This enables both easy manufacturing and improved recognition.
Solution Approach 2:
The patent employs reflective layers, black dyes, or embossed patterns on the side surface to enhance the visibility and contrast of the panel ID. These optical and surface property modifications improve the recognition rate by making the ID more distinguishable.
3Area of stationary object
If the non-display region is minimized, then the display area ratio is improved, but the ability to manage production history is compromised
Solution Approach 1:
Relocating the panel ID to the side surface preserves all production history information by providing adequate space for ID formation, while allowing the non-display region to be minimized for larger display area. The information is not lost but repositioned to a different spatial location.
Data Source
AI summary
The present disclosure relates to a display device including a first substrate and a second substrate facing each other; and a first identification number (ID) pattern positioned on a first side surface of the first substrate.