Curved Liquid Crystal Panel Holder Design for Thickness Uniformity
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Solution Overview
Problem
Conventional curved liquid crystal display devices experience uneven thickness distribution and deformation due to bending, leading to image distortion and abnormal color issues, as holders with the same size and height applied evenly between substrates concentrate stress differently across the curved panel.
Innovation Solution
A curved liquid crystal panel design featuring a first substrate, a second substrate, frame adhesive, and holders with varying bearing layers in central, interim, and marginal regions, where the first bearing layer supports by a plane, the second by a matrix of bulges, and the third by a smaller area of bulges, balancing deformation and maintaining uniform thickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If holders with the same size and height are disposed evenly between upper and bottom substrates in a curved liquid crystal display device, then the manufacturing process is simplified, but the thickness becomes non-uniform due to different stress distribution across the curved panel
Solution Approach 1:
The patent applies local quality by differentiating holder specifications according to their position in the curved panel. Holders in the central region have different dimensions compared to holders in marginal regions, with each region's holders optimized for their specific stress conditions. This localized differentiation ensures uniform thickness while maintaining manufacturing feasibility.
Solution Approach 2:
The patent segments the holder arrangement into distinct regions (central region and marginal regions) with different holder specifications. This segmentation allows each region to be optimized independently for its stress characteristics, resolving the contradiction between simplified manufacturing and thickness uniformity.
2Reliability
If the liquid crystal panel is bent to achieve curved display, then the viewing experience and visual effects are improved, but stress concentration causes holder deformation and thickness non-uniformity
Solution Approach 1:
The patent addresses structural stability under bending stress by applying local quality principles. Holders in different regions are designed with specific dimensions matched to their stress environment - central region holders handle higher stress while marginal region holders are optimized for their conditions. This localized optimization maintains holder structural stability throughout the curved panel while preserving visual quality.
3Device complexity
If uniform holder dimensions are used across the curved panel, then device complexity is reduced, but image distortion and abnormal colors occur due to thickness variation
Solution Approach 1:
The patent resolves the contradiction between device complexity and thickness consistency by implementing local quality. Instead of uniform holders, the design specifies different holder dimensions for central and marginal regions. This targeted differentiation maintains reasonable device complexity while achieving the required thickness consistency to prevent image distortion and color abnormalities.
Solution Approach 2:
The patent segments the holder configuration into region-specific designs rather than using a single uniform specification. This segmentation into central and marginal region holders with different dimensions achieves thickness consistency while keeping the overall device complexity manageable through a systematic regional approach.
Data Source
AI summary
The invention provides a curved liquid crystal panel, including a first substrate, a second substrate disposed opposite to the first substrate, frame adhesive and a plurality of holders, the space includes a central region, marginal regions and interim regions between the central region and the marginal regions, the holders are disposed in the space and between the first substrate and the second substrate, a first bearing layer is disposed on ends towards the first substrate on the holders in the central region, the first bearing layer supports the first substrate by a plane, a second bearing layer is disposed in the interim regions, the second bearing layer supports the first substrate by a supporting plane formed by a plurality of points, a third bearing layer is disposed on ends towards the first substrate on the holders in the marginal regions.