Optical Structure Layer for Outdoor Display Anti-Reflection
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Solution Overview
Problem
Ambient light from the outside interferes with display devices, causing a decrease in contrast and display quality due to reflected light, especially in outdoor use.
Innovation Solution
A display device with an optical structure layer having a glossiness between 4 GU and 35 GU and a specular component reflectivity between 3% and 6%, comprising an anti-glare layer and an antireflection layer to reduce the influence of ambient light.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional display panel is used outdoors, then the display device can be operated in outdoor conditions, but ambient light reflection causes decreased contrast and display quality
Solution Approach 1:
The patent applies anti-glare and antireflection treatments that convert harmful reflected light into beneficial scattered light. The optical structure layer scatters ambient light to reduce specular reflection, transforming the harmful reflective property into a beneficial diffuse scattering property that improves outdoor visibility while maintaining indoor display quality
Solution Approach 2:
The patent modifies the optical parameters of the display surface by controlling the glossiness (4-35 GU) and specular component reflectivity (3-6%) of the optical structure layer. These parameter changes optimize the balance between reducing ambient light reflection and maintaining sufficient light transmission for display visibility
2Object-affected harmful factors
If the optical structure layer has low glossiness and low specular reflectivity to reduce ambient light interference, then display quality in outdoor conditions is improved, but the overall light transmission and brightness may be reduced
Solution Approach 1:
The patent precisely controls the glossiness parameter (4-35 GU) and specular component reflectivity (3-6%) to achieve optimal balance. By setting these parameters within specific ranges, the optical structure layer reduces harmful reflections while maintaining sufficient light transmission to preserve display brightness and visibility
Solution Approach 2:
The optical structure layer is designed with specific local optical properties - the anti-glare and antireflection treatments are applied selectively to control light interaction at the surface level while maintaining the underlying display panel's light transmission characteristics, achieving localized optimization without compromising overall display performance
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 optical structure layer effectively scatters ambient light, reducing its reflection and improving display quality by enhancing image clarity and user comfort, especially in high-intensity lighting conditions.
Implementation Method 1
The optical structure layer effectively scatters ambient light, reducing its reflection
Data Source
AI summary
A display device includes a display panel and an optical structure layer. The optical structure layer is disposed on the display panel. A glossiness of the optical structure layer is between 4 GU and 35 GU, and a reflectivity of specular component included (SCI) of the optical structure layer is between 3% and 6%. The display device disclosed in the disclosure may reduce an influence of a displayed image from ambient light from the outside.