Light Source Module Conductive Member Grounding for Static Dissipation
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Solution Overview
Problem
In liquid crystal display (LCD) devices, static electricity occurring during the installation of the light guide plate can cause short circuits in the light source, leading to image quality and reliability issues due to the transfer of static electricity from the light guide plate to the light sources.
Innovation Solution
A light source module comprising a plurality of light sources mounted on a printed circuit board (PCB) with an optical member and a conductive member, where the conductive member is coupled to the optical member and includes a protrusion for grounding, preventing static electricity from being transferred to the light sources by directing it to the light source housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the light guide plate is disposed on the light source during assembly, then the light guide plate can be properly positioned and installed, but static electricity occurs in the light guide plate which is transferred to the light source causing short circuit defects
Solution Approach 1:
A conductive member is introduced as an intermediary between the light guide plate and the light source. This conductive member receives static electricity from the light guide plate through contact during assembly and transfers it to a grounding terminal, preventing the static electricity from reaching and damaging the light source while allowing the assembly process to proceed normally
2Ease of manufacture
If the protective film is removed from the light guide plate during assembly, then the light guide plate can be properly installed, but static electricity is generated in the light guide plate causing harmful effects
Solution Approach 1:
The static electricity that is inevitably generated when the protective film is removed during assembly is converted from a harmful factor into a manageable phenomenon. The conductive member is designed to capture and channel this static electricity to ground, transforming the potentially damaging static discharge into a safe dissipation path that does not affect the light source or other sensitive components
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 solution effectively prevents short circuit defects in the light sources, thereby enhancing the image quality and reliability of LCD devices by ensuring static electricity is dissipated without damaging the light sources.
Implementation Method 1
a conductive member (40) coupled to the optical member (30), wherein the conductive member (40) includes a protrusion (44) grounding the conductive member (40)
Data Source
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AI summary
Disclosed are a light source module, a backlight unit including the same, and an LCD device including the same, which prevent image quality and reliability from being degraded. The light source module includes a plurality of light sources mounted on a printed circuit board (PCB), an optical member provided on the printed circuit board to surround the plurality of light sources, and a conductive member coupled to the optical member. The conductive member includes a protrusion grounding the conductive member.