Elastic Light Guide Module for Alignment
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Solution Overview
Problem
Conventional light guide modules in electronic devices face issues with light mixing and insufficient light output due to manufacturing differences in light output holes and light sources, leading to inadequate light guidance.
Innovation Solution
A light guide module comprising a first and second light guide unit connected by an elastic unit, allowing for adjustable distance between them, ensuring proper alignment and preventing light mixing and insufficient light output by accommodating manufacturing variations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the distance between light guide units is fixed, then the structure is simple, but manufacturing differences cause light mixing and insufficient light output
Solution Approach 1:
The patent applies the dynamics principle by replacing the fixed rigid connection with an elastic connection that allows dynamic adjustment. The elastic unit enables the light guide units to move relative to each other, adapting to manufacturing tolerances and ensuring proper alignment with housing openings, thereby resolving the contradiction between structural simplicity and light output reliability.
Solution Approach 2:
The patent changes the physical parameter of the connection from rigid (fixed distance) to elastic (variable distance). This parameter change allows the system to accommodate manufacturing variations in light guide units and housing openings, preventing light mixing and ensuring sufficient light output while maintaining relatively simple structure.
2Ease of manufacture
If the light guide units are rigidly connected, then the manufacturing is easy, but light mixing occurs due to alignment issues
Solution Approach 1:
The elastic connection provides dynamic adjustment capability that allows the light guide units to self-align with the housing openings during assembly. This dynamic feature eliminates light mixing caused by misalignment while keeping the manufacturing process simple, as the elastic unit naturally compensates for dimensional variations without requiring complex adjustment mechanisms.
Solution Approach 2:
The elastic unit enables the light guide module to self-adjust and self-align during assembly. The elastic deformation automatically compensates for manufacturing tolerances in the light guide units and housing openings, preventing light mixing without requiring external adjustment or complex manufacturing processes.
3Reliability
If the distance between light guide units is adjustable, then light output is improved, but the device complexity increases
Solution Approach 1:
The patent implements a simple elastic connection that changes the distance parameter between light guide units from fixed to variable. This single parameter change enables the system to adapt to manufacturing variations and achieve proper light guidance effectiveness without introducing complex adjustment mechanisms, multi-component assemblies, or control systems.
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
The elastic connection between light guide units ensures effective light guidance and output by adjusting for manufacturing differences, preventing light mixing and enhancing overall light output efficiency.
Implementation Method 1
In an extended state, the elastic unit is elastically deformed, and a second distance is formed between the first light guide unit and the second light guide unit
Data Source
AI summary
A light guide module is provided. The light guide module includes a first light guide unit, a second light guide unit and an elastic unit. The elastic unit is disposed between the first light guide unit and the second light guide unit. One side of the elastic unit is connected to the first light guide unit, and the other side of the elastic unit is connected to the second light guide unit. In an initial state, a first distance is formed between the first light guide unit and the second light guide unit. In an extended state, the elastic unit is elastically deformed, and a second distance is formed between the first light guide unit and the second light guide unit.