LCD Fixture Component with Protruding Visible Portion for ESD Protection
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Solution Overview
Problem
The existing fixing process for liquid crystal display (LCD) modules is complex and error-prone, and provides inadequate electrostatic discharge (ESD) protection, requiring modifications in fixture structures for different cases and occupying valuable space within the case.
Innovation Solution
A fixture component comprising a front cover with a protruding transparent visible portion and an enclosing member that clamps the LCD module, enhancing ESD protection by increasing the electrostatic path length and reducing the occupied space, allowing for a universal design and simplified assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a protection plate is used to improve ESD protection by extending the electrostatic path, then the antistatic property is improved, but the occupied space inside the case increases
Solution Approach 1:
The patent extends the electrostatic path from a two-dimensional surface path to a three-dimensional path by routing it through the thickness of the protection plate. The electrostatic path now travels from the outer surface, through the plate thickness (t), to the inner surface, and then along the inner surface to the LCD module. This dimensional change allows achieving longer electrostatic path length without proportionally increasing the planar area occupied by the protection plate.
2Reliability
If a complex fixture structure with multiple components is used to fix the LCD module, then the fixing reliability is improved, but the device complexity increases
Solution Approach 1:
The patent combines multiple fixing functions into a single integrated fixture structure. The fixture includes a fixing frame with positioning protrusions that simultaneously provide positioning, support, and securing functions. The transparent protection plate is integrated with the fixture frame through positioning holes and fixing mechanisms, creating a unified assembly that performs both protection and fixation without requiring separate components for each function.
Solution Approach 2:
The fixture structure is designed with universal positioning protrusions and corresponding positioning holes that can accommodate different LCD module configurations. The fixing frame serves multiple purposes: it provides structural support, positions the LCD module through protrusions, secures the transparent protection plate, and guides the cable through designated openings. This multi-functional design reduces the need for separate components while maintaining fixing reliability.
Data Source
AI summary
A fixture component for a liquid crystal display (LCD) module (LCD) is provided. The fixture component clamps and encloses the LCD module with a front cover and an enclosing member to clamp and wrap the LCD module, so as to form an LCD assembly. A visible portion is formed on a front side surface of the front cover in a protrusive manner, corresponding to a display side of the LCD module. The visible portion enhances the antistatic property of the LCD module. Meanwhile, the visible portion fits an opening of a case, so that the LCD assembly is mounted and fixed in the case more easily.