Glass Light Guide with Reflective Coating for Slim LCD
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Solution Overview
Problem
Conventional liquid crystal display (LCD) devices are bulky due to structures such as case tops, guide panels, and cover bottoms, which increase thickness and bezel size, and there is a need for a more efficient light guiding and reflection system to enhance slimness and narrowness.
Innovation Solution
A display device design that integrates a light guide formed as one body with the liquid crystal panel, using a reflector composed of an organic material and a metal compound, with reflection patterns and an organic layer to efficiently reflect and scatter light towards the liquid crystal panel, eliminating the need for separate optical sheets and structural components like case tops and guide panels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If conventional structures such as case top, guide panel, and cover bottom are used, then structural support and light guiding are achieved, but device thickness and bezel size increase
Solution Approach 1:
The patent combines the light guide function directly into the liquid crystal panel structure, eliminating separate guide panels, case tops, and cover bottoms. The liquid crystal panel itself serves as both the display element and the light guiding component, achieving a unified structure that reduces overall device thickness and component count while maintaining structural support and light distribution functions
Solution Approach 2:
The liquid crystal panel is designed to perform multiple functions simultaneously: it serves as the display medium, the light guide, and the structural support element. This multi-functionality eliminates the need for separate dedicated components for each function, thereby reducing device thickness and complexity
2Illumination intensity
If multiple optical sheets are used for light diffusion and concentration, then light uniformity is improved, but device thickness increases
Solution Approach 1:
The patent extracts the light diffusion and concentration functions from separate optical sheets and integrates them directly into the liquid crystal panel structure. By incorporating these optical functions within the panel itself rather than adding separate layers, the design achieves light uniformity without increasing device thickness
Solution Approach 2:
The optical functions of diffusion and concentration are merged into the liquid crystal panel structure, eliminating the need for separate optical sheets. This integration maintains light uniformity across the display while avoiding the thickness increase that would result from stacking multiple optical layers
3Use of energy by moving object
If separate light guide and reflector components are used, then light reflection efficiency is improved, but device weight and complexity increase
Solution Approach 1:
The reflector function is integrated directly into the liquid crystal panel structure, eliminating separate reflector components. This integration maintains efficient light reflection from the backlight to the liquid crystal layer while reducing the overall weight and complexity of the device by removing redundant structural elements
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
This design achieves a slimmer and narrower display device with improved light efficiency, reduced manufacturing costs, and weight, while preventing thermal deformation from the light source, and enhancing the uniformity of luminance.
Implementation Method 1
a reflector formed on at least one surface of the light guide, wherein the reflector includes an organic material and a metal compound
Implementation Method 2
a light guide of a glass material, wherein the light source is combined with one side of the light guide and the light provided from the light source proceeds toward the inside of the light guide
Data Source
Figure 1
Figure 2A~2B
Figure 3
AI summary
Disclosed is a display device (100) with slimness and narrowness, wherein the display device may include a liquid crystal panel (110); a light source (120) for providing light to the liquid crystal panel (110); a light guide (130) of a glass material, wherein the light source (120) is combined with one side of the light guide (130); a reflector (140) formed on at least one of one and the other surfaces of the light guide (130), wherein the reflector (140) includes an organic material and a metal compound; and an adhesive member (150) formed on the one surface of the light guide (130) confronting the liquid crystal panel (110), and provided to attach the liquid crystal panel (110) and the light guide (130) to each other.