Rear Speaker Cover Structure for Tiled Display Heat Dissipation
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Solution Overview
Problem
Existing display devices face challenges in improving sound quality, reducing manufacturing costs, and managing temperature deviations and heat dissipation while maintaining a compact and efficient design, particularly in tiling display configurations.
Innovation Solution
The display device incorporates a speaker on the rear surface of the display panel, with a cover bottom structure that protrudes perpendicular to the panel, and shares a structure with multiple display devices to simplify manufacturing and enhance heat dissipation, while minimizing bezel size and seam areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a speaker is added to the display device to improve sound quality, then audio functionality is enhanced, but device complexity and manufacturing cost increase
Solution Approach 1:
The speaker is integrated into the display device by utilizing the cover bottom structure that already exists for other components. The cover bottom is designed with a forming unit that accommodates the speaker, merging the speaker housing function with the existing cover bottom structure, thereby reducing overall device complexity while maintaining audio functionality
Solution Approach 2:
The cover bottom structure serves multiple functions: it covers the display panel, provides mounting for the printed circuit board, and now also accommodates the speaker through the forming unit. This multi-functionality reduces the need for separate speaker housing structures, simplifying the overall device design
2Reliability
If the cover bottom structure is modified to accommodate the speaker, then sound quality improves, but manufacturing cost increases
Solution Approach 1:
The speaker accommodation function is merged into the existing cover bottom structure through the forming unit. This eliminates the need for separate speaker housing components and reduces assembly steps, thereby lowering manufacturing costs while maintaining improved sound quality
Solution Approach 2:
The modified cover bottom structure serves multiple purposes: structural support, component mounting, and speaker accommodation. By making the cover bottom multi-functional, the patent reduces the total number of parts and assembly operations, leading to reduced manufacturing costs
3Area of stationary object
If multiple display devices are tiled together, then display area increases, but seam visibility and temperature deviation increase
Solution Approach 1:
The cover bottom structure with the forming unit serves as a universal design that can be applied to all display devices in a tiled configuration. This standardized structure facilitates consistent spacing and alignment across multiple devices, reducing visible seams while the forming unit also provides heat dissipation pathways that reduce temperature deviation
Data Source
AI summary
A display device may include a display panel, a speaker disposed on a rear surface of the display panel, a printed circuit board which is disposed on the rear surface of the display panel and is spaced apart from the speaker, and a cover bottom which is disposed between the display panel and the printed circuit board and includes a forming unit corresponding to the speaker. The forming unit may protrude in a direction perpendicular to the rear surface of the display panel to accommodate the speaker.