Trimless Glass Enclosure Interface with Support Ledge
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Solution Overview
Problem
Conventional portable computing device enclosures face challenges in reducing size while maintaining adequate display area and protecting the cover glass, and they often compromise aesthetics with trim pieces that detract from the device's appearance.
Innovation Solution
A trimless enclosure design featuring a single, continuous aluminum body with a curved side wall and a 45-degree slope apex, incorporating a support ledge for direct adhesive bonding of the cover glass, which distributes impact forces and enhances aesthetics by eliminating the need for trim pieces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional enclosures include trim gaskets or trim pieces to protect the cover glass, then the cover glass is protected, but the aesthetics of the device deteriorate
Solution Approach 1:
The patent removes the trim piece entirely from the design, extracting the protective function from a separate component and integrating it into the enclosure structure itself through the support ledge and adhesive bonding system
Solution Approach 2:
The support ledge is integrated directly into the enclosure body as a unified structure, merging the protective function with the enclosure design to eliminate the need for separate trim pieces
2Volume of moving object
If the device size is reduced to make it more compact, then portability improves, but the display area and cover glass protection may be compromised
Solution Approach 1:
The support ledge provides localized protection precisely where the cover glass contacts the enclosure, concentrating protective function in a specific area rather than requiring comprehensive trim around the entire device perimeter
Solution Approach 2:
The support ledge extends into the gap between the cover glass and enclosure front surface, utilizing the third dimension (depth) to provide protection without increasing the device's external dimensions
3Reliability
If trim pieces are added to protect the cover glass, then protection improves, but the device complexity increases
Solution Approach 1:
The support ledge is formed as an integral part of the enclosure body, combining multiple functions (structural support, protection, adhesive mounting surface) into a single structural element rather than requiring separate trim components
Solution Approach 2:
The support ledge serves multiple functions simultaneously: it provides mechanical protection for the cover glass, creates a mounting surface for adhesive bonding, and maintains the structural integrity of the enclosure
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 allows for a compact, aesthetically pleasing design that effectively protects the cover glass by distributing impact forces and maintaining a clean, gap-controlled interface, thereby enhancing both functionality and appearance.
Implementation Method 1
applying an adhesive to the enclosure, and attaching the cover glass to the adhesive
Data Source
AI summary
An enclosure for a portable computing device can include a cover glass affixed to an enclosure without trim pieces disposed between the cover glass and the disclosure. In one embodiment, the enclosure can include an edge profile that can define a relatively large contact pad about the enclosure. The contact pad can distribute impact forces over a relatively large area and thereby protect the cover glass integrity.