Display Panel Diffusion Particle Layer Light Scattering
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Solution Overview
Problem
Existing display panels have complex structures due to the need for a diffusion sheet, which reduces light transmittance and increases power consumption, and suffer from cross-color issues due to the presence of black matrices.
Innovation Solution
A display panel with a diffusion particle layer containing a transparent medium and photosensitive polymeric monomers that polymerize upon light exposure to scatter light, eliminating the need for a diffusion sheet and incorporating a color filtering layer without black matrices to enhance light transmittance and prevent cross-color.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a diffusion sheet is used to scatter light, then light scattering function is achieved, but light transmittance is reduced and power consumption increases
Solution Approach 1:
The patent combines the diffusion sheet function with the color filtering layer by incorporating a scattering layer between them, creating an integrated structure that performs both light scattering and color filtering functions simultaneously, thereby reducing the number of separate components and improving overall light transmittance
Solution Approach 2:
The patent changes the optical parameters of the scattering layer by controlling the refractive index difference between the scattering particles and the surrounding medium, optimizing light scattering efficiency while minimizing light absorption and maintaining high transmittance
2Ease of manufacture
If a diffusion sheet is used to scatter light, then light scattering function is achieved, but structure complexity increases
Solution Approach 1:
The patent merges the diffusion sheet functionality into the color filtering layer assembly by positioning the scattering layer between the color filtering layer and the liquid crystal layer, eliminating the need for a separate diffusion sheet component and simplifying the overall structure
Solution Approach 2:
The scattering layer serves multiple functions: it scatters light to improve viewing angles, maintains color accuracy by working in conjunction with the color filtering layer, and reduces the need for additional components, thereby achieving multi-functionality with a single integrated structure
3Reliability
If black matrices are used in color filtering layer, then cross-color issues are prevented, but light transmittance is reduced
Solution Approach 1:
The patent changes the material parameters of the color filtering layer by using resin-based color filters with optimized optical properties instead of traditional black matrix structures, achieving both cross-color prevention and high light transmittance through superior material selection and optical design
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 simplifies the display panel structure, improves light transmittance, reduces power consumption, and prevents cross-color issues, resulting in a more efficient and transparent display.
Implementation Method 1
the photosensitive polymeric monomers are subjected to a polymerization reaction under an action of light incident from the light incident surface into the transparent medium layer
Implementation Method 2
the photosensitive polymeric monomers subjected to the polymerization reaction are configured to scatter the light
Data Source
AI summary
Provided is a display panel including a diffusion particle layer as well as a color filtering layer and a liquid crystal layer which are stacked on the diffusion particle layer. The diffusion particle layer includes a transparent medium layer and photosensitive polymeric monomers doped in the transparent medium layer, and a side surface of the transparent medium layer is a light incident surface. The photosensitive polymeric monomers are subjected to a polymerization reaction under an action of light incident from the light incident surface into the transparent medium layer, and the photosensitive polymeric monomers subjected to the polymerization reaction are configured to scatter the light.