Flexible Sealing Strip for Display Device Light Leakage
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Solution Overview
Problem
Conventional liquid crystal display devices lack sufficient space for the optical film to deform, leading to light leakage due to the concentration of force on the sealing member.
Innovation Solution
The display device incorporates a flexible sealing strip with a first segment fixed to the display element and a second segment fixed to the middle frame, allowing for increased deformation of the sealing strip to absorb external forces without restricting the display element's deformation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a sealing member is provided near the optical film to provide dust-proof function, then the dust-proof function is improved, but the optical film has insufficient space to deform, causing light leakage
Solution Approach 1:
The sealing member is divided into a first sealing member and a second sealing member positioned at different locations. The first sealing member is disposed near the optical film to provide dust-proof function, while the second sealing member is disposed away from the optical film to accommodate its deformation, thereby resolving the contradiction between sealing and deformation space
Solution Approach 2:
A buffer member is introduced as an intermediary component between the optical film and the sealing member. This buffer member provides additional space for the optical film to deform while maintaining the sealing function, preventing direct contact and force concentration between the optical film and sealing member
2Reliability
If the optical film is constrained by the sealing member, then the dust-proof function is maintained, but the optical film cannot deform freely, leading to force concentration
Solution Approach 1:
The sealing member is segmented into multiple parts (first sealing member and second sealing member) with different functional assignments. The first sealing member maintains dust-proof function while the second sealing member and buffer member accommodate optical film deformation, distributing force more evenly
Solution Approach 2:
The buffer member is designed as a flexible component that can deform with the optical film. This flexible structure allows the optical film to expand or contract freely while maintaining the sealing function through the flexible buffer member's deformation
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 provides a dust-proof function while allowing the display element to deform freely, preventing light leakage and improving the optical grade of the display device.
Implementation Method 1
The flexible sealing strip has a first segment and a second segment that are connected to each other. The first segment is bent with respect to the second segment... The first segment is bent with respect to the second segment and has a first end and a fixed region... The second segment is fixed to the inner side surface
Data Source
AI summary
A display device includes the following features. A display element is disposed in a frame. A flexible strip is sealed between the display element and the frame and has a first segment and a second segment bent relative to the first segment. The first segment has a first end and a fixed region. The first end is opposite to the second segment. The fixed region is located between the first end and the second segment and fixed to the display element. The second segment is fixed to the frame and has a top and a bottom. The bottom is close to a base portion of the frame, and the top is close to a top portion of the frame. A height between the top and the base portion is larger than or equal to a height between the fixed region and the base portion.