Transparent Supporting Member in Flexible Display Light Transmitting Hole
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Solution Overview
Problem
The poor light transmittance of supporting layers in flexible display screens hinders the design of under-screen optical fingerprint identification functions, and opening light transmitting holes leads to appearance defects and structural instability due to depressions on the display surface when pressed.
Innovation Solution
A touch screen design featuring a flexible display screen with a supporting layer and a transparent supporting member, where the supporting member is partially disposed within the light transmitting hole to ensure light transmission while maintaining the structural integrity and aesthetic quality by being flush with the surface, using materials like glass, PET, or PI for mechanical strength and good light transmittance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a light transmitting hole is opened in the supporting layer, then light transmittance is improved, but appearance defects and structural instability occur due to depressions on the display surface
Solution Approach 1:
A transparent supporting member is introduced as an intermediary component to fill the light transmitting hole. This member has higher mechanical strength than the flexible display screen, providing additional support at the hole location to prevent depressions and structural instability while maintaining light transmission capability.
Solution Approach 2:
The supporting structure becomes a composite system combining the flexible display screen with the transparent supporting member. The supporting member is made of transparent material with higher mechanical strength, creating a composite structure that simultaneously provides structural support and light transmission.
2Illumination intensity
If a light transmitting hole is opened in the supporting layer, then light transmittance is improved, but appearance defects occur on the display surface
Solution Approach 1:
The transparent supporting member acts as a mediator that fills the light transmitting hole and extends to the back surface of the flexible display screen. This provides structural support at the hole location to prevent surface depressions and maintain appearance quality while allowing light transmission.
Solution Approach 2:
The transparent supporting member is strategically positioned only at the light transmitting hole location, providing localized structural reinforcement where needed. This maintains the overall flexibility of the display screen while preventing appearance defects specifically at the hole area.
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 solution enables effective light transmission for under-screen optical fingerprint identification while preventing appearance defects and ensuring the structural stability and aesthetic quality of the flexible display screen.
Implementation Method 1
at least a part of the transparent supporting member (3) is disposed in the light transmitting hole (21)... enabling effective light transmission for under-screen optical fingerprint identification
Data Source
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AI summary
Provided are a touch screen, a method of manufacturing the touch screen, and a terminal device. The touch screen includes a flexible display screen, a supporting layer and a transparent supporting member. The supporting layer includes a first surface, a second surface opposite to the first surface, and a light transmitting hole communicating the first surface and the second surface. The first surface is connected with a back surface of the flexible display screen. At least a part of the supporting member is disposed in the light transmitting hole, the at least a part of the supporting member includes an end the supporting member, and at least a part of the end of the supporting member in the light transmitting hole is flush with the first surface.