Backlight Module Quantum Tube Fixing Element
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Solution Overview
Problem
Traditional backlight modules face challenges in securely fixing quantum tubes, leading to potential damage from temperature changes or shocks, which affects light-emitting efficiency and color gamut performance.
Innovation Solution
A backlight module design featuring a fixing element with a bottom plate and lateral walls that securely accommodates the quantum tube, preventing contact with the light source and light guide plate, and allowing for adjustable positioning to ensure stability and compatibility with various tube lengths and shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If quantum tube is packaged in glass tube to improve color gamut, then color performance is improved, but the quantum tube becomes easily damaged
Solution Approach 1:
The patent divides the fixing structure into multiple independent components: a fixing plate with through holes, separate positioning structures, and modular support elements. This segmentation allows the quantum tube to be securely held without requiring a continuous glass tube enclosure, reducing damage risk while maintaining color gamut performance.
Solution Approach 2:
The patent introduces a fixing plate as an intermediary component between the quantum tube and the light guide plate. This mediator provides mechanical support and positioning without direct contact between the quantum tube and potentially damaging surfaces, protecting the quantum tube while enabling stable color emission.
2Reliability
If quantum tube is fixed securely to prevent damage, then reliability is improved, but the light source temperature rise affects quantum tube light-emitting efficiency
Solution Approach 1:
The patent implements localized fixing through discrete through holes and positioning structures rather than complete enclosure. This allows selective contact points that provide stability while maintaining thermal separation zones, preventing heat accumulation from the light source from directly affecting the quantum tube's light-emitting efficiency.
Solution Approach 2:
The patent positions the quantum tube at a specific distance from the light source along the vertical dimension, creating spatial separation. The fixing plate provides support in the horizontal plane while maintaining vertical spacing, thereby isolating the quantum tube from light source heat while preserving structural stability.
3Illumination intensity
If quantum tube is positioned close to light guide plate to improve color gamut, then optical performance is improved, but temperature change or shock causes damage to quantum tube
Solution Approach 1:
The patent incorporates shock-absorbing features in the fixing structure, including flexible positioning elements and cushioning layers between the quantum tube and light guide plate. These beforehand cushioning measures protect the quantum tube from temperature changes and mechanical shocks while maintaining close positioning for optimal color gamut performance.
Solution Approach 2:
The patent uses composite fixing structures combining rigid support elements with flexible or shock-absorbing materials. This composite approach provides both the structural integrity needed for close positioning (for color gamut) and protection against environmental hazards like temperature changes and shocks.
Data Source
AI summary
A backlight module includes a bottom plate, and a fixing element which is fixed at one side of the bottom plate and used for fixing a quantum tube. The fixing element includes a bottom wall, and a first lateral wall, a second lateral wall, and a third lateral wall which extend upwards from a first end, a second end, and a third end of the bottom wall respectively. The first lateral wall and the second lateral wall are arranged facing each other. The quantum tube is fixed in an accommodating space that is formed by the bottom, the first lateral, the second lateral, and the third lateral walls. In the backlight module, since the quantum tube is fixed in a stable manner, a structural reliability of the backlight module can be ensured, and a high color gamut of the backlight module can be realized.