Display Device Uneven Optical Enhance Layer Contrast
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Solution Overview
Problem
Conventional display devices with uneven structures suffer from reduced display quality due to compromised contrast, which affects their optical performance.
Innovation Solution
A display device featuring a substrate with both even and uneven structures on an optical enhance layer, where the uneven structures are strategically positioned to enhance contrast and optical effects, comprising a first substrate, an optical enhance layer, a display layer, and electrodes, with the uneven structures improving light diffusion and brightness while maintaining even surfaces for optimal viewing angles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If an uneven structure is formed on the entire surface of the insulating layer to raise the surface area of the emissive layer, then the emitting brightness is improved, but the display contrast is reduced
Solution Approach 1:
The patent applies local quality by forming uneven structures only in specific regions (non-emissive areas) rather than uniformly across the entire surface. The insulating layer has different surface characteristics in different locations: uneven structures in non-emissive regions to enhance light extraction, and even surfaces in emissive regions to maintain display contrast and viewing angle performance.
2Area of stationary object
If the whole surface of the insulating layer is formed as an uneven structure, then the surface area of the emissive layer is raised, but the display quality is reduced due to affected display contrast
Solution Approach 1:
The patent segments the insulating layer surface into distinct regions with different structural characteristics. The uneven structures are segmented to occupy only specific portions (e.g., peripheral or non-emissive areas), while other regions maintain even surfaces. This segmentation allows the device to simultaneously achieve increased surface area for light emission and preserved display quality in viewing regions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enhances display contrast and optical effects, thereby improving overall display quality by strategically incorporating uneven structures to manage light reflection and emission, while maintaining even surfaces for improved brightness and viewing angles.
Implementation Method 1
the uneven structures are strategically positioned to enhance contrast and optical effects, comprising a first substrate, an optical enhance layer, a display layer, and electrodes, with the uneven structures improving light diffusion and brightness
Data Source
AI summary
A display device and an electrical apparatus are disclosed. The display device comprises a first substrate, an optical enhance layer, a display layer, a first electrode and a second electrode. The first substrate includes a plurality of pixel areas. The optical enhance layer is formed on the first substrate and includes a plurality of even structures and a plurality of uneven structures, wherein for each pixel area, one of the even structures corresponds to a portion of the pixel area, and one of the uneven structures corresponds to the rest portion of the pixel area. The first electrode is formed on the optical enhance layer. The display layer is formed on the first electrode. The second electrode is formed on the display layer. The display device is applicable to the electrical apparatus.