Stretchable Display Panel Layout for 3D Imaging Reliability
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Solution Overview
Problem
Existing display devices lack the capability for three-dimensional display, high-resolution imaging, and reliable stretchability, limiting their versatility and quality.
Innovation Solution
A display panel design featuring a stretchable structure with distinct areas deformed by an actuator, including a first area protruded by the actuator, a second area not protruded, and a third area with only connection lines, combined with rigid patterns and substrates, to enhance three-dimensional display and stretch reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a flexible substrate with display units is used to enable stretching, then the display device can change into various shapes, but the manufacturing precision and image quality deteriorate due to deformation
Solution Approach 1:
The display panel is divided into three distinct areas: a first area with pixels that can be protruded, a second area with pixels that remain flat, and a third area containing only connection lines. This segmentation allows different regions to serve different functions during stretching, maintaining image quality in display areas while enabling shape change through the connection-line-only third area.
Solution Approach 2:
Different regions of the display panel are assigned different structural qualities. The first and second areas contain pixels for high-quality display, while the third area contains only connection lines optimized for stretching. This local differentiation allows the panel to maintain manufacturing precision where needed while achieving adaptability where required.
2Measurement precision
If pixels are densely arranged to achieve high-resolution imaging, then image quality improves, but the stretch reliability deteriorates due to stress concentration
Solution Approach 1:
Pixel structures are extracted from the third area, leaving only connection lines in that region. This removal of pixels from the stretching zone eliminates stress concentration points that would otherwise compromise stretch reliability, while pixels in the first and second areas maintain high-resolution imaging capability.
3Adaptability or versatility
If the entire display panel is made stretchable to enable three-dimensional display, then shape adaptability improves, but the structural stability deteriorates
Solution Approach 1:
The display panel transitions from a static uniform structure to a dynamic segmented structure. During stretching, the third area with only connection lines dynamically accommodates deformation, while the first and second areas with pixels maintain structural stability. This dynamic differentiation enables three-dimensional display capability without compromising overall structural integrity.
Data Source
AI summary
A display device according to an example embodiment of the present disclosure includes a stretchable display panel; and an actuator configured to deform the display panel, wherein the display panel includes a first area that is protruded by the actuator, a second area that is not protruded by the actuator, and a third area that is between the first area and the second area, wherein a plurality of pixels are disposed in the first area and the second area, wherein in the third area, only a plurality of connection lines connecting the plurality of pixels disposed in the first area and the plurality of pixels disposed in the second area are disposed, so that three-dimensional display capability of the display device can be improved.