Multi-Material Display Bezel Structure for Lower Material Waste
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Solution Overview
Problem
Existing display devices face challenges in reducing material usage while maintaining stability and rigidity, leading to increased manufacturing costs.
Innovation Solution
A display device design featuring a case structure composed of horizontally and vertically oriented components made of different materials, such as metal and plastic, which are coupled together to minimize material waste and enhance structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If a uniform material structure is used for the case, then manufacturing simplicity is maintained, but material waste increases and structural optimization is limited
Solution Approach 1:
The case is divided into multiple segments (first case segment and second case segment) that can be formed from different materials. This segmentation allows each portion of the case to be optimized for its specific functional requirements, reducing overall material waste while maintaining manufacturing feasibility through modular construction approaches.
Solution Approach 2:
Different portions of the case are assigned different material properties based on local functional requirements. The first case segment uses a material optimized for its specific location and function, while the second case segment uses a different material suited to its requirements. This local quality approach minimizes material waste by avoiding the use of excessive or inappropriate materials in each region.
2Loss of substance
If material usage is reduced, then manufacturing cost decreases, but stability and rigidity may be compromised
Solution Approach 1:
The case employs a composite structure consisting of multiple case segments made from different materials. This composite approach allows the design to achieve required stability and rigidity through strategic material selection and configuration, rather than relying on excessive material quantity. Each material contributes its specific properties to the overall structural performance.
Solution Approach 2:
The case segments incorporate curved surfaces and rounded corners rather than sharp angles. This curvature design enhances structural strength and rigidity while using less material, as curved geometries naturally distribute stresses more effectively. The rounded features maintain structural integrity while reducing material consumption compared to traditional angular designs.
3Ease of manufacture
If case structure is simplified, then manufacturing ease is improved, but structural integrity and rigidity are reduced
Solution Approach 1:
The case is segmented into separate portions that can be manufactured independently using standard processes, then assembled together. This segmentation maintains manufacturing ease by allowing each segment to be produced with conventional techniques, while the combined structure achieves the required strength and rigidity through the multi-material configuration and inter-segment connections.
Data Source
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AI summary
Provided is a display device which may include a display panel (420) having a long side (LS1, LS2) in a first direction (DR1), a short side (SS1, SS2) in a second direction (DR2), and a thickness in a third direction (DR3), a back cabinet (460) disposed in the rear of the display panel (420), and a case (410) that covers an edge of a front surface of the display panel (420). The case (410) may include a horizontal case (410H1, 410H2) that covers an edge of the front surface of the display panel (420) on a long side (LS1, LS2) of the display panel (420) and a vertical case (410V1, 410V2) covering an edge of the front surface of the display panel (420) on a short side (SS1, SS2) of the display panel (420). The horizontal case (410H1, 410H2) and the vertical case (410V1, 410V2) may be coupled to each other in a region corresponding to a corner of the display panel (420), and the horizontal case (410H1, 410H2) and the vertical case (410V1, 410V2) may be formed of different materials.