Backlight Module Light Bar Stabilization via Limit Structure
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Vibration during use damages internal components of side-in backlight modules in liquid crystal display panels, affecting the light-exiting effect and display quality.
Innovation Solution
A backlight module design that includes a back panel with a peripheral plate featuring a limit structure, such as a stopper or clamping edge, to securely position and prevent movement of the light bar, ensuring it is blocked in at least one direction, thereby stabilizing the light bar and facilitating quick and accurate installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the light bar is secured using a limit structure, then the stability and anti-vibration performance are improved, but the device complexity increases
Solution Approach 1:
The limit structure is divided into multiple independent stoppers distributed at different positions along the light bar. Each stopper independently restricts movement in specific directions, providing comprehensive stabilization without requiring a complex integrated structure. This segmentation allows the system to achieve high reliability through simple, modular components.
2Illumination intensity
If multiple light bars are used to enhance lighting coverage, then the illumination quality is improved, but the risk of vibration damage increases
Solution Approach 1:
Multiple light bars are independently installed along the light guide plate, each secured by the distributed stoppers. This segmentation allows each light bar to be individually stabilized, preventing vibration damage while maintaining enhanced illumination coverage through the combined output of multiple light sources.
3Reliability
If the light bar is firmly fixed to prevent shaking, then the display quality is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The stoppers are pre-installed on the back panel at precise positions, creating a self-aligning system. When light bars are installed, they automatically engage with the stoppers, which guide them into the correct positions. This self-service mechanism reduces the need for high-precision manual installation while ensuring firm fixation and stable performance.
Data Source
AI summary
The present disclosure relates to an electronic apparatus, a display device, and a backlight module, and relates to relates to the field of display technologies. The backlight module includes a back panel, a light guide plate and a light bar. The back panel has a bottom plate and a peripheral plate surrounding edges of the bottom plate, the peripheral plate is provided with a limit structure protruding into an area surrounded by the peripheral plate; the light guide plate is provided within the peripheral plate; the light bar is provided between the peripheral plate and the light guide plate and abutting against the limit structure to be blocked by the limit structure in at least one of a direction perpendicular to the bottom plate and a circumferential direction of the peripheral plate.