Liquid Crystal Panel Heater Segmentation for Uniform Thermal Distribution
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Solution Overview
Problem
Existing liquid crystal panels face issues with uneven heat generation, leading to variations in optical response and decreased display quality, particularly in moving images, due to non-uniform heating of the liquid crystal layer.
Innovation Solution
The electro-optical device incorporates a heating member with a first heating portion along one side and a second heating portion along an opposite side of the second substrate, overlapping with a light blocking member outside the display region, to ensure uniform heat distribution and prevent uneven heating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a heater is incorporated in the liquid crystal panel to increase temperature and improve optical response, then the optical response is improved, but uneven heat generation occurs leading to decreased display quality
Solution Approach 1:
The heater is divided into multiple heating portions (first heating portion and second heating portion) disposed at different locations. This segmentation allows each portion to contribute to uniform heat distribution across the liquid crystal layer, preventing concentrated heat generation in any single area and thereby improving display quality while maintaining optical response.
2Temperature
If the heater is disposed in the display region and picture frame region, then the temperature increase is achieved, but uneven heat generation is likely to occur
Solution Approach 1:
Different heating portions are strategically positioned at specific locations (first heating portion along one side, second heating portion along another side) to address local temperature deficiencies. This localized heating approach ensures uniform temperature distribution across the liquid crystal layer while maintaining the overall temperature increase needed for optimal optical response.
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 configuration effectively suppresses uneven heat generation within the display region, maintaining consistent optical response and enhancing the quality of moving images by ensuring uniform heating across the liquid crystal layer.
Implementation Method 1
a heating member overlapping with the light blocking member in plan view, the heating member including at least a first heating portion disposed along one side of the second substrate and a second heating portion disposed along another side opposite to the one side of the second substrate
Data Source
AI summary
An electro-optical device includes an element substrate, a liquid crystal, and a counter substrate provided opposite to the element substrate via the liquid crystal, wherein the counter substrate includes a light blocking film disposed outside a display region in plan view, and a heater overlapping with the light blocking film in plan view and provided along the display region.