LCD Bracket Attachment via Guide Panel Protrusions
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Solution Overview
Problem
The existing liquid crystal display (LCD) assembly process is prone to damage and misalignment due to external forces during the attachment of brackets, leading to distortion and assembly defects, particularly because of the weak top case and clearance between pins and pin grooves.
Innovation Solution
The introduction of protrusions and corresponding holes/grooves on the guide panel and top case, respectively, allows for direct and secure attachment of brackets, enhancing assembly strength and reducing distortion without the need for additional components or screws, thereby improving the assembly process and reducing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a predetermined clearance is provided between pins and pin grooves to facilitate easy insertion, then the ease of assembly is improved, but the reliability deteriorates due to damage from external forces during attachment
Solution Approach 1:
The patent applies preliminary action by pre-forming recesses in the top case that guide and receive the protrusions from the guide panel before final attachment. This preliminary guiding structure ensures proper alignment and positioning is established prior to the attachment process, preventing misalignment and reducing the need for forceful insertion that could cause damage.
Solution Approach 2:
The patent introduces an intermediary structure - the recesses in the top case - that acts as a mediator between the protrusions on the guide panel and the final attached state. These recesses provide a controlled interface that guides the protrusions into proper position and distributes attachment forces, preventing direct impact and friction damage that would occur without this intermediate guiding feature.
2Length of moving object
If the top case is made thin to reduce overall device thickness, then the compactness is improved, but the strength deteriorates making it vulnerable to distortion during bracket attachment
Solution Approach 1:
The patent applies local quality by creating localized recesses in specific areas of the top case where attachment forces are applied. These recesses concentrate and manage stress locally at the attachment points, allowing the rest of the top case to remain thin while maintaining overall structural integrity. The local structural modification provides strength exactly where needed without increasing overall thickness.
Solution Approach 2:
The recesses are pre-formed in the top case to anticipate and prepare for the attachment forces that will be applied during bracket installation. This preliminary structural preparation ensures that when brackets are attached, the forces are distributed through predetermined pathways in the recesses, preventing distortion of the thin top case structure.
3Strength
If additional components such as screws are used to enhance attachment strength, then the assembly strength is improved, but the device complexity increases
Solution Approach 1:
The patent merges the attachment function directly into the top case structure by forming recesses that receive the protrusions. This integration eliminates the need for separate fastening components like screws or clips, as the recess-protrusion interface itself provides the attachment mechanism. The structural feature serves both as a guide and as the fastening element, reducing part count and assembly complexity while maintaining attachment strength.
Solution Approach 2:
The top case structure provides its own attachment mechanism through the pre-formed recesses, eliminating the need for external fastening components. The recesses are designed to work with the protrusions on the guide panel to create a self-contained attachment system that does not require additional screws, clips, or other fasteners, thereby simplifying the overall device structure and assembly process.
Data Source
AI summary
A liquid crystal display device is provided that includes a liquid crystal panel, a guide panel, a top case, and first and second brackets. The guide panel supports the liquid crystal panel and has one or more fixing protrusions on the side surfaces thereof. The top case covers the liquid crystal panel and the guide panel and has one or more holes facing the protrusions of the guide panel. The first and second brackets are attached respectively onto both sides of the top case and have one or more fixing grooves facing the corresponding holes of the top case.