Rigid Plate Recessed Design for Display Thickness Reduction
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Solution Overview
Problem
Conventional rigid plates in information handling systems have a uniform thickness, which increases the overall thickness of the display and reduces the area available for components, limiting the design to a thicker form factor that is less desirable for consumers.
Innovation Solution
A rigid plate with a main portion and a recessed portion of varying thicknesses, where the recessed portion includes interlock holes or pegs for coupling with a display chassis, allowing for a thinner design by reducing the overall thickness of the display through strategic material distribution and bonding processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a rigid plate with uniform thickness is used, then the structural integrity is maintained, but the overall thickness of the display increases and the area available for components is reduced
Solution Approach 1:
The rigid plate transitions from uniform thickness to varying thickness with a recessed portion, allowing different regions to have different properties. The main portion maintains sufficient thickness for structural integrity, while the recessed portion reduces overall thickness and creates space for components, resolving the contradiction between strength and thickness.
Solution Approach 2:
The rigid plate is divided into distinct segments: a main portion with greater thickness and a recessed portion with lesser thickness. This segmentation allows each region to serve its specific function - the main portion provides structural support while the recessed portion enables thinner overall profile and component placement.
2Length of stationary object
If a recessed portion with varying thickness is introduced, then the overall thickness is reduced and component space is increased, but the manufacturing complexity increases
Solution Approach 1:
The recessed portion and interlock features are integrated directly into the rigid plate as a single molded component rather than separate parts. This merging of features into one piece reduces assembly steps and simplifies manufacturing while achieving the thickness reduction and component space creation.
Solution Approach 2:
The recessed portion serves multiple functions simultaneously: it reduces overall thickness, creates space for components, provides interlock features for assembly, and maintains structural connection. This multi-functionality reduces the need for additional separate components and simplifies the overall design.
3Reliability
If interlock holes and pegs are added to the recessed portion, then the coupling between rigid plate and display chassis is improved, but the device complexity increases
Solution Approach 1:
The interlock holes in the rigid plate and interlock pegs in the display chassis are integrated as complementary features that fit together, creating a positive mechanical interlock. This merging of coupling features into the existing structural elements provides reliable connection without requiring separate fasteners or additional complex assembly mechanisms.
Data Source
AI summary
In one embodiment, a rigid plate of a display for an information handling system includes: a main rigid portion having a first plate thickness; and a recessed rigid portion having a second plate thickness less than the first plate thickness, the recessed rigid portion including one or more interlock holes disposed proximate to an edge of the recessed rigid portion, the one or more interlock holes configured to couple the rigid plate to a display chassis of the display via an interlock portion.