Curvature-Varied Display Light-Emitting Structure for Normal Brightness
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Solution Overview
Problem
Curved surface electronic devices face non-uniform brightness issues due to changes in light path after bending traditional displays, necessitating improved brightness uniformity in normal and oblique view angles.
Innovation Solution
A display device with a light emitting structure featuring regions of different curvatures and brightness ratios, adjusted through bending and structural modifications to minimize normal brightness differences while allowing oblique brightness variations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional displays are bent into curved surface shape, then the display can be integrated into curved surface electronic devices, but the internal or outputting light path changes resulting in non-uniform brightness of the display surface
Solution Approach 1:
The display surface is divided into multiple regions with different curvatures. Each region has a specifically designed curvature radius to control the light path independently, ensuring uniform brightness across the entire curved display surface while maintaining curved surface integration capability
Solution Approach 2:
Different regions of the display surface are assigned different local curvature properties. The curvature radius varies across the display surface to compensate for light path changes in different areas, achieving uniform brightness while enabling curved surface integration
2Illumination intensity
If the display surface has different curvatures in different regions, then normal brightness uniformity is improved, but the structural complexity increases
Solution Approach 1:
The curvature distribution is pre-designed and pre-configured in the display surface structure before operation. By calculating and setting the optimal curvature radius for each region in advance, the patent achieves normal brightness uniformity without requiring complex real-time adjustments during operation
Data Source
AI summary
An electronic device includes a light emitting structure that includes a light emitting surface. The light emitting surface includes a first region and a second region arranged along a first direction. The light emitting structure outputs a first light in the first region and outputs a second light in the second region. The first light has a first normal brightness in a first orthogonal direction perpendicular to the first direction and a first oblique brightness in a first inclined direction, and the first orthogonal direction and the first inclined direction form a first acute included angle. The second light has a second normal brightness in a second orthogonal direction and a second oblique brightness in a second inclined direction, and the second orthogonal direction and the second inclined direction form a second acute included angle. The first normal brightness and the second normal brightness are different.