Peripheral Protrusion Structure for Uniform Liquid Crystal Filling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Large liquid crystal displays face issues with filling deterioration of liquid crystal molecules in the peripheral area, leading to decreased filling density and display quality due to the inability to maintain uniform liquid crystal distribution.
Innovation Solution
Incorporating a protrusion member and organic layer in the peripheral area with varying heights and a recess region, along with a partition pattern and color filters, to create a spacer effect and improve liquid crystal distribution, using a mask with different light transmittance to form the organic layer and maintain uniformity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a liquid crystal display is made large in size, then the display area is increased, but filling deterioration of liquid crystal molecules in the peripheral area occurs leading to decreased filling density
Solution Approach 1:
The patent applies local quality by creating a protrusion member with different heights in different regions of the peripheral area. The first region has a higher organic layer height (by more than 1.5 μm) compared to the second region, providing localized spacer effects where needed most to maintain uniform liquid crystal filling density across the large display area.
2Area of stationary object
If the liquid crystal display size is increased, then the overall display capability is improved, but the display quality deteriorates due to non-uniform liquid crystal distribution
Solution Approach 1:
The protrusion member creates localized height differences in the organic layer within the peripheral area, with the first region being higher than the second region by more than 1.5 μm. This local structural variation ensures uniform liquid crystal distribution and maintains display quality across the entire large display area.
Solution Approach 2:
The patent introduces a vertical dimension (height) variation in the organic layer through the protrusion member structure. By creating height differences of more than 1.5 μm between the first and second regions, the invention uses the third dimension to control liquid crystal distribution and maintain uniformity across the display area.
3Manufacturing precision
If a protrusion member with height variation is introduced to maintain liquid crystal uniformity, then filling density is improved, but device complexity increases
Solution Approach 1:
The protrusion member serves multiple functions: it acts as a spacer to maintain the gap between substrates, creates the organic layer height difference (first region higher than second region by more than 1.5 μm) to ensure uniform liquid crystal filling, and provides structural support in the peripheral area. This multi-functionality reduces the need for separate components.
Data Source
AI summary
Exemplary embodiments of the present invention disclose a liquid crystal display (LCD) and a method of manufacturing the same. The LCD may have a display area and a peripheral area. An organic layer of the peripheral area may be patterned using a half-tone mask, and a protrusion member may be formed in the peripheral area. Accordingly, the thin film transistor array panel and the corresponding substrate may be prevented from being temporary adhered in the peripheral area such that the density of the liquid crystal molecules filled in the peripheral area may be uniformly maintained and the display quality of the liquid crystal display may be improved.