Light Source Module Flexible Circuit Wiring Space Reduction
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Solution Overview
Problem
The challenge in designing a light source module for projection apparatuses is the limited wiring space between the main board and the light source module, which becomes more pronounced as projectors shrink in size, making it difficult to efficiently connect electrical components.
Innovation Solution
A light source module is designed with a base, a lighting element, a flexible printed circuit, and metal elastic elements, where the flexible printed circuit is connected to the base and the metal elastic elements are used to securely attach to the main board, reducing the wiring space and allowing for flexible electrical connections without length limitations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the size of the projector is reduced, then the portability and compactness are improved, but the wiring space between the main board and light source module becomes insufficient
Solution Approach 1:
The patent employs a flexible printed circuit board instead of a rigid circuit board to connect the light source module to the main board. The flexible printed circuit board can be bent and folded to fit into tight spaces, eliminating the need for a large wiring space while maintaining electrical connectivity. This directly resolves the contradiction by enabling compact projector design without sacrificing electrical connection feasibility.
Solution Approach 2:
The patent uses a flexible printed circuit board that can dynamically adjust its shape and configuration to accommodate limited wiring space. The flexible nature allows the circuit board to be routed in various paths around obstacles and through constrained areas, effectively adapting to the reduced wiring space requirement while maintaining functional connectivity.
2Reliability
If conventional rigid circuit boards are used for electrical connections, then the connection reliability is maintained, but the wiring complexity increases in compact designs
Solution Approach 1:
The flexible printed circuit board maintains the reliability of rigid circuit boards while eliminating their wiring complexity limitations. The flexible version can be routed through tight spaces and around obstacles without requiring complex routing designs or multiple connection points, thus reducing wiring complexity while preserving connection reliability through direct flexible attachment.
Solution Approach 2:
The patent replaces the mechanical routing and positioning system required for rigid circuit boards with a flexible system that uses elasticity and flexibility to achieve connections. This substitution eliminates the need for complex mechanical wiring arrangements while maintaining reliable electrical connections through the flexible printed circuit board's inherent flexibility.
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 configuration effectively reduces the wiring space between the light source module and the main board, enabling reliable and flexible electrical connections, enhancing the design flexibility and reliability of the light source module in projection apparatuses.
Implementation Method 1
a plurality of metal elastic elements 140, wherein the metal elastic elements 140 are adapted for being fixed to the main board to be contacted with the flexible printed circuit 130
Data Source
AI summary
A light source module is adapted for a projection apparatus. The projection apparatus has a main board. The light source module includes a base, a lighting element, a flexible printed circuit, and a plurality of metal elastic elements. The base has a circuit layer. The lighting element is disposed on the base and electrically connected to the circuit layer. The flexible printed circuit is assembled on the base and electrically connected to the circuit layer. The metal elastic elements are adapted for being fixed to the main board to be contacted with the flexible printed circuit, such that the flexible printed circuit is electrically connected to the main board. The lighting element of the light source module is electrically connected to the main board via the flexible printed circuit and the metal elastic elements, such that a wiring space between the light source module and the main board is reduced.