Bent Cover-Housing Display Assembly for Moisture Drainage
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Solution Overview
Problem
Display devices face challenges with increased size, manufacturing costs, and vulnerability to moisture and foreign substances due to the need for protective cover members and housings, which can lead to damage and reduced field of view in vehicle applications.
Innovation Solution
A display device design featuring a cover member with a first flat portion, a bent portion, and a groove, coupled with a housing having a protrusion that fits into the groove, along with a sealing member and absorbent in the coupling area, to reduce size, simplify manufacturing, and enhance waterproofing by allowing moisture evaporation and foreign substance removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a cover member and housing are added to protect the display panel, then reliability is improved, but device complexity increases
Solution Approach 1:
The cover member is integrated with the housing through a coupling structure where the cover member's bent portion directly couples with the housing's bent portion, eliminating the need for separate fastening components and reducing overall device complexity while maintaining protective functionality
Solution Approach 2:
The coupling structure between cover member and housing serves multiple functions simultaneously: mechanical connection, sealing against moisture and foreign substances, and structural support, thereby reducing the need for additional specialized components
2Reliability
If a cover member and housing are added to protect the display panel, then reliability is improved, but manufacturing cost increases
Solution Approach 1:
The coupling structure integrates multiple functions into existing components, eliminating the need for separate fasteners, seals, or mounting hardware, thereby reducing part count, material costs, and assembly operations
Solution Approach 2:
The bent portions of both the cover member and housing serve as both structural support elements and coupling mechanisms, while simultaneously providing sealing functionality, thereby reducing the need for additional specialized components and reducing manufacturing cost
3Reliability
If a cover member is added to protect the display panel, then reliability is improved, but device size increases
Solution Approach 1:
The cover member is positioned such that its bent portion nests within or couples closely to the housing's bent portion, minimizing the overall envelope dimensions while maintaining protective coverage and structural integrity
Data Source
Figure 1~2B
Figure 3~4
Figure 5~6
AI summary
The present disclosure relates to a display device capable of improving the waterproof function and design by that a housing and a cover member which surround a display panel are bent and coupled and a groove capable of storing moisture and foreign substances is formed in the housing.