Bent Display Units with Internal Pads for 360 Viewing
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Solution Overview
Problem
Traditional display devices are not configurable for a continuously curved folded shape, limiting their ability to allow multiple viewers at different positions to simultaneously see a portion of the display surface.
Innovation Solution
A display device with a three-dimensional shape is achieved by incorporating bent display units and printed circuit boards that maintain the bent shape, allowing for a flexible and easy manufacturing process, enabling multiple viewers to see a 360-degree image from different angles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a flat display device is used, then the manufacturing process is simple and straightforward, but the device cannot allow multiple viewers at different positions to simultaneously see a portion of the display surface
Solution Approach 1:
The display device is divided into multiple display units (first display unit and second display unit) that can be independently bent and folded. Each display unit has its own pad areas and printed circuit boards, allowing them to be configured in different three-dimensional shapes to accommodate multiple viewers at different positions while maintaining manageable manufacturing complexity through modular design
Solution Approach 2:
The display device transitions from a two-dimensional flat structure to a three-dimensional folded configuration. The display units are bent at specific portions to create adjacent end portions and locate pad areas inside the display units, enabling multi-viewer capability by utilizing the third dimension while maintaining manufacturing simplicity through a systematic folding approach
2Adaptability or versatility
If the display device is bent into a three-dimensional shape, then multiple viewers can see the display from different positions, but the manufacturing process becomes more complex
Solution Approach 1:
The display units are designed with pre-defined bending portions and pad area locations that are prepared during the manufacturing process. The bent display units are then folded into the final three-dimensional configuration with pad areas positioned inside the display units, allowing multiple viewers to see from different positions while maintaining ease of manufacture through pre-planned structural features
Solution Approach 2:
The pad areas are located inside the display units after bending, with the printed circuit boards positioned to contact both pad areas. This nested arrangement allows the three-dimensional configuration to be achieved while maintaining manufacturing simplicity by utilizing the existing display unit structure to accommodate the electrical connection components
3Shape
If the display unit is bent to bring end portions adjacent to each other, then a compact three-dimensional shape is achieved, but the structural stability may be compromised
Solution Approach 1:
The display units are bent into curved three-dimensional configurations with adjacent end portions, creating a compact form factor. The curvature is achieved through controlled bending at specific portions while maintaining the flexibility needed for compact folding, allowing multiple viewers to see from different positions without compromising structural stability through improper deformation
4Shape
If pad areas are located inside the display unit after bending, then the three-dimensional structure is optimized, but the assembly process becomes more difficult
Solution Approach 1:
The pad areas are positioned inside the display units during the bending process, with the printed circuit boards pre-configured to contact both pad areas. This preliminary positioning of electrical connection components within the three-dimensional structure allows for optimized pad area placement while maintaining ease of assembly through pre-planned contact points and integration
Data Source
AI summary
A display device is disclosed. In one aspect, the display device includes a first display unit including a first display area, a first left pad area outside a first left end portion of the first display area, and a first right pad area outside a first right end portion of the first display area. The first right end portion is opposite to the first left end portion. The first display unit is bent at a first portion between the first display area and the first left pad area and bent at a second portion between the first display area and the first right pad area. The first display area is bent such that the first left and right end portions are adjacent to each other, and the first left and right pad areas are located inside the first display unit. The display device also includes a first printed circuit board corresponding to both the first left and right pad areas.