Display Apparatus Substrate Protrusion Chassis Elimination
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Solution Overview
Problem
Conventional display apparatuses face challenges in achieving a slim design while maintaining improved display quality and protecting the display panel effectively.
Innovation Solution
The display apparatus incorporates a first base substrate with an effective area and a pad area for signal control, a second base substrate overlapping the effective area, spacers, sealants, and optical films to enhance protection and aesthetics, along with a backlight unit and flexible circuit films for signal transmission, all designed to integrate seamlessly without a separate chassis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate chassis is used to protect the display panel, then protection is improved, but thickness increases
Solution Approach 1:
The patent merges the protective function with the base substrate itself by forming a protrusion that extends into the gap between substrates. The base substrate is not merely a support structure but actively provides protection through its protruding portion, eliminating the need for a separate chassis while maintaining panel protection.
Solution Approach 2:
The protective structure is created by extending the base substrate in the thickness direction to form a protrusion. This dimensional extension into the gap space provides protection without requiring additional external components, effectively using the available vertical space efficiently.
2Ease of operation
If internal components are exposed for functionality, then ease of operation is improved, but aesthetics deteriorate
Solution Approach 1:
The base substrate has different structures in different regions: a flat surface in the display area and a protruding portion in the pad area. This local structural variation allows the protrusion to cover and aesthetically hide the pad area and connected components while maintaining their functional accessibility.
Solution Approach 2:
The protrusion acts as an intermediary structure that selectively covers certain internal components (pad area, signal lines) while allowing others to function. It mediates between the need for component accessibility and the desire for aesthetic appearance by providing selective coverage.
Data Source
AI summary
A display apparatus includes a first base substrate including an effective area and a pad area adjacent to the effective area, a second base substrate on the first base substrate to overlap the effective area and expose the pad area of the first base substrate at a side surface of the second base substrate, a spacer on the exposed pad area of the first base substrate and facing the side surface of the second base substrate, the spacer being spaced apart from the side surface of the second base substrate, a sealant between the spacer and the side surface of the second base substrate to contact both the spacer and the side surface of the second base substrate, and an optical film on the second base substrate, the optical film extended further than the side surface of the second base substrate to overlap the sealant and the spacer.