Backlight Module Lamp Connection Structure
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Solution Overview
Problem
Conventional lamp connection structures for backlight modules in LCDs are complex, time-consuming to assemble, and costly, with a large volume that increases production duration and costs.
Innovation Solution
A simplified lamp connection structure featuring a clamping portion and an embedding portion with a continuously tapered shape, where the embedding portion is inserted through a conductive through-hole in the circuit board for secure electrical connection, eliminating the need for welding and reducing the number of PCBs required.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional lamp connection structure with lamp support and holder is used, then the lamp can be securely connected, but the structure becomes complex and occupies large volume
Solution Approach 1:
The patent merges the lamp support and holder into a single integrated connection structure. The connection structure includes a support portion that supports the lamp and a connection portion that connects to the circuit board, eliminating the need for separate lamp support and holder components. This integration reduces structural complexity while maintaining secure lamp connection.
Solution Approach 2:
The connection structure serves multiple functions simultaneously: it supports the lamp, provides electrical connection, and attaches to the circuit board. The single connection structure performs the roles of both lamp support and holder, reducing the number of components needed while maintaining all necessary functions.
2Reliability
If welding operations are used to connect lamp support and holder to PCB, then secure electrical connection is achieved, but production time increases and costs rise
Solution Approach 1:
The patent replaces the welding operation with a mechanical insertion process. The connection portion is designed to be inserted through a through-hole in the circuit board, establishing electrical connection through direct contact with conductive patterns on the board. This mechanical insertion eliminates the need for time-consuming welding operations while maintaining secure electrical connection.
3Reliability
If multiple PCBs (PCB and inverter PCB) are used, then complete electrical connection is achieved, but the backlight module volume increases
Solution Approach 1:
The patent merges the functions of the PCB and inverter PCB into a single circuit board. The connection structure connects directly to this integrated circuit board, eliminating the need for separate inverter PCB. This reduction in the number of PCBs decreases the overall backlight module volume while maintaining complete electrical connection functionality.
Data Source
AI summary
A lamp connection structure, configured to connect a lamp of a backlight module, is provided. The backlight module has a circuit board formed with a through-hole, which is defined by a side wall. The lamp connection structure comprises a clamping portion and an embedding portion. The clamping portion has a first end and a second end, and the first end is adapted to fix and to electrically connect to the lamp. The embedding portion has a first end and a second end. The first end is connected to the second end of the clamping portion while the second end of the embedding portion is inserted through the through-hole and contacting with the side wall.