Flat Panel Bezel Structure for Shock-Resistant Cover Coupling
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Solution Overview
Problem
Conventional flat panel display devices face vulnerabilities to external shock due to their rectangular bezel design, and the attachment of a cover bezel requires additional processes and adhesive tapes, which can compromise bonding strength and are difficult to re-attach without defects.
Innovation Solution
A bezel with bent parts and protrusions that enhance mechanical strength and facilitate coupling with a cover bezel, featuring a substrate part, bent parts, and protrusions for improved durability and bonding, along with a cover bezel design that includes an insertion part for secure coupling with the protrusion, reducing the need for complex adhesives and simplifying re-attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a rectangular bezel is used, then the structure is simple, but the vulnerability to external shock increases
Solution Approach 1:
The bezel incorporates bent parts with curved surfaces instead of straight rectangular edges. The bent parts extend substantially perpendicular to the substrate part and include rounded corners that distribute external shock forces more effectively, reducing vulnerability while maintaining structural simplicity
Solution Approach 2:
The bezel is formed as an integrated composite structure combining the substrate part with bent parts that extend perpendicular to it. This composite design creates a more robust framework that resists external shock better than a simple rectangular frame, while the protrusions at the bent part ends provide additional structural reinforcement
2Ease of manufacture
If a separate adhesive tape is used to attach the cover bezel, then the attachment process is simple, but the bonding strength is reduced
Solution Approach 1:
The patent replaces the chemical bonding mechanism of adhesive tapes with a mechanical coupling system. The cover bezel includes an insertion part that mechanically engages with protrusions on the bezel, providing superior bonding strength through physical interlocking rather than relying on adhesive properties
Solution Approach 2:
The coupling mechanism is divided into distinct components: protrusions on the bezel and a corresponding insertion part on the cover bezel. This segmentation allows for precise mechanical engagement while maintaining ease of assembly, as the insertion part can be simply inserted to engage the protrusions
3Ease of manufacture
If adhesive tape is used for attaching the cover bezel, then initial attachment is easy, but re-attachment becomes difficult due to defects
Solution Approach 1:
The mechanical coupling system separates the attachment function into removable components: the insertion part on the cover bezel and the protrusions on the main bezel. This allows the cover bezel to be easily detached and re-attached multiple times without degradation, as there are no adhesive residues or defects to compromise the connection
Solution Approach 2:
The coupling mechanism transitions from a static adhesive bond to a dynamic mechanical connection that can be easily engaged and disengaged. The insertion part can be removed and re-inserted to engage the protrusions, providing flexibility for repair and re-attachment while maintaining secure bonding
Data Source
AI summary
A flat panel display device includes a bezel and a flat display panel accommodated in the bezel. The bezel includes a substrate part, bent parts, each of which is formed on one of edges of the substrate part and extends substantially perpendicular to the substrate part, and a protrusion formed at an end of one of the bent parts. In another embodiment, a flat panel display device further includes a cover bezel covering the bezel and the flat display panel. The cover bezel has an open window through which light from the flat panel display transmits, and the cover bezel includes an insertion part that is coupled with the protrusion.