Backlight Module Bezel Connector Eliminates Wiring
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Solution Overview
Problem
The existing backlight modules face complexities in wire connections, leading to inconvenient assembly and increased difficulty in designing and fabricating due to the need for multiple connections between the driving circuit board and the light source, which complicates the layout and fixing of wires.
Innovation Solution
A backlight module design that eliminates the need for conducting wires by using a bezel with a hole to house a first connector on the LED circuit board, which is connected to a second connector on the driving circuit board, allowing for electrical connection without wires, thereby simplifying assembly and reducing space occupation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wires are used to connect the driving circuit board and the light source, then electrical connectivity is achieved, but the wiring becomes complex and assembly becomes inconvenient
Solution Approach 1:
A connector is introduced as an intermediary component between the driving circuit board and the light source. The connector includes a first connection end connected to the driving circuit board and a second connection end connected to the light source, eliminating the need for direct wire connections. This intermediary structure simplifies the overall wiring complexity while maintaining reliable electrical connectivity.
2Reliability
If wires are used to connect the driving circuit board and the light source, then electrical connectivity is achieved, but assembly becomes inconvenient and difficult to fix
Solution Approach 1:
The connector serves as a mediator that replaces complex wire assembly with a standardized connection component. The connector can be easily attached to both the driving circuit board and the light source, significantly improving assembly convenience while ensuring stable electrical connectivity.
3Adaptability or versatility
If multiple types of LED modules or LEDs are used, then lighting functionality is enhanced, but the complexity and difficulties of designing and assembling connecting wires increase
Solution Approach 1:
The connector is designed with universal applicability to work with multiple types of LED modules and LEDs. The standardized connection interface allows different LED configurations to be connected to the driving circuit board through the same connector type, enabling enhanced lighting functionality without increasing wire layout complexity.
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 design enhances assembly efficiency and flexibility by eliminating the need for wire connections, simplifying the assembly process and reducing the complexity of wire layout, while maintaining effective electrical connectivity between the LED circuit board and the driving circuit board.
Implementation Method 1
The light source applied in the backlight module includes cold cathode fluorescent lamps (CCFLs), external electrode fluorescent lamps (EEFLs), or light emitting diodes (LEDs). Among those light sources, the LED has advantages of small size, long lifetime, low driving voltage, etc
Implementation Method 2
The driving circuit board has a second connector, the second connector is connected to the fist connector so as to transmit signals to the LED circuit board. Herein the first connector is female-connected to a second connector on the driving circuit board.
Data Source
AI summary
A backlight module comprises a bezel, an LED circuit board, an LED, and a driving circuit board. The bezel has a hole and the LED circuit board is disposed on the bezel and includes a first surface and a second surface. There is a first connector disposed on the second surface and passing through the hole of the bezel. The LED is welded on the second surface of the LED circuit board, an emitting end of the LED is protruded outside the first surface. The driving circuit board has a second connector, the second connector is connected to the fist connector so as to transmit signals to the LED circuit board.