Display Device Optical Particle Concentration for Image Quality
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Solution Overview
Problem
Display devices face limitations in improving image quality due to manufacturing processes and varied usage environments, which affect their performance under different conditions.
Innovation Solution
A display device with a substrate, a display portion, and base layers containing optical functional particles at varying concentrations, where the second region has a higher concentration of chromatic particles than the first region, allowing for improved image quality and reduced thickness by adjusting particle concentrations and layer structures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If polarization members are used to improve image quality, then image quality is improved, but device thickness increases and manufacturing complexity increases
Solution Approach 1:
The patent extracts and removes the polarization member from the display device structure, replacing it with optical functional particles embedded in base layers that achieve similar or superior image quality without the thickness and manufacturing complexity associated with traditional polarization members
Solution Approach 2:
The patent changes the optical control mechanism from polarization-based to particle concentration-based, where the concentration of optical functional particles in the base layers is adjusted to control light transmission and reflection properties, eliminating the need for polarization members
2Manufacturing precision
If polarization members are used to improve image quality, then image quality is improved, but device complexity increases
Solution Approach 1:
The patent extracts and removes the polarization member from the display device structure, replacing it with optical functional particles embedded in base layers that achieve similar or superior image quality without the thickness and manufacturing complexity associated with traditional polarization members
Solution Approach 2:
The base layers containing optical functional particles serve multiple functions: they control light transmission, manage reflection, and provide structural support, replacing the specialized function of polarization members while simplifying the overall device architecture
3Ease of manufacture
If uniform particle concentration is used in all regions, then manufacturing is simplified, but lateral visibility and image quality in bent regions deteriorate
Solution Approach 1:
The patent applies different particle concentrations in different regions of the display device, with higher concentrations in bent regions and lower concentrations in flat regions, optimizing light transmission and lateral visibility for each specific area's functional requirements
Solution Approach 2:
The patent changes the particle concentration parameter spatially across the device, adjusting it according to the local geometry (flat vs. bent regions) to optimize optical performance in each area while maintaining manufacturing feasibility
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 image quality, reduces thickness, and improves flexibility and lateral visibility by optimizing the concentration and placement of optical functional particles, while omitting polarization members to simplify manufacturing and prevent external light reflection.
Implementation Method 1
optical functional particles inside the first base layer at a first concentration and having chromatic color
Implementation Method 2
optical functional particles inside the first base layer at a first concentration and having chromatic color
Data Source
AI summary
A display device has a first region and a second region, the display device including a substrate, a display portion on the substrate, a first base layer on the display portion and corresponding to the first region, a plurality of first optical functional particles inside the first base layer at a first concentration and having chromatic color, a second base layer on the display portion and corresponding to the second region, and a plurality of second optical functional particles inside the second base layer at a second concentration that is higher than the first concentration and having chromatic color.