Transparent Substrate Protrusion for Circuit Board Placement
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Solution Overview
Problem
Display devices with narrow bezel designs face challenges in effectively utilizing peripheral space for component configuration, leading to reduced screen-to-body ratios and increased structural complexity.
Innovation Solution
The display device incorporates a first transparent substrate with a protruding portion, allowing the first circuit board to be directly disposed on one side of the protruding portion, with a second circuit board extending from the protruding portion to the first circuit board, facilitating a tighter arrangement and simplifying the structural design by eliminating the need for folding the circuit board.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If the circuit board is disposed on the peripheral area of the display device, then the screen-to-body ratio is improved, but the structural complexity increases
Solution Approach 1:
The circuit board is extended along the thickness direction of the display device, utilizing the Z-axis dimension rather than only the XY plane. This allows the circuit board to connect to the display panel from the peripheral area while maintaining a compact footprint, thereby improving screen-to-body ratio without significantly increasing structural complexity
Solution Approach 2:
The circuit board is disposed within the peripheral area of the display device, nesting components efficiently within the available space. The circuit board extends from the peripheral area toward the display area, utilizing the existing structural envelope without requiring additional external space
2Device complexity
If the circuit board is folded to fit in the peripheral area, then the component configuration is simplified, but the thickness of the display device increases
Solution Approach 1:
Instead of folding the circuit board in the XY plane which would increase thickness, the circuit board is extended in the thickness direction (Z-axis). This dimensional change allows the circuit board to reach the display panel without folding, maintaining a thinner overall device profile while achieving proper component configuration
Solution Approach 2:
The circuit board is designed with an extended portion that can flexibly connect to the display panel, providing dynamic adaptability in the connection structure. This extended portion allows the circuit board to reach the display panel without rigid folding, reducing thickness while maintaining configurability
Data Source
AI summary
A display device includes a first transparent substrate, a first circuit board, a second circuit board, and a thin film transistor (TFT) array. The first transparent substrate includes a body and a protruding portion which are connected to each other. The protruding portion has an outer surface facing away from the body. The first circuit board is adjacent to the protruding portion, and the first circuit board and the protruding portion are located on the same side of the body together. The first circuit board has an inner surface facing the body, and a vertical projection of the inner surface on the protruding portion is located between the outer surface and the body. The second circuit board is disposed on the protruding portion and extends to the first circuit board. The TFT array is disposed on the body.