Display Panel Through-Hole Backplane for Acoustic Transparency
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Solution Overview
Problem
Current LED display panels primarily function as display devices, lacking multifunctionality such as sound transmission or transparent imaging capabilities.
Innovation Solution
Incorporation of a backplane with integrated signal lines and through holes allowing for both display and sound transmission, enabling acoustically transparent displays and potential transparent imaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a solid backplane structure is used for LED display panels, then structural strength and stability are improved, but sound transmission capability deteriorates
Solution Approach 1:
The backplane is designed with an array of holes forming a porous structure that allows sound waves to pass through while maintaining structural integrity. The holes are arranged in a pattern that preserves the mechanical strength of the backplane while enabling acoustic transmission from the speaker unit to the front side of the display panel.
Solution Approach 2:
The backplane serves multiple functions simultaneously: it provides structural support for the LED display, acts as a mounting surface for electronic components, and functions as an acoustic transmission medium. The integrated design combines these functions into a single component that fulfills both structural and acoustic requirements.
2Strength
If the backplane is made opaque for structural integrity, then strength is improved, but transparent imaging capability deteriorates
Solution Approach 1:
The backplane exhibits different optical properties in different regions. The areas with holes allow light transmission for transparent imaging functionality, while the solid portions maintain structural strength. This local variation in quality enables the backplane to simultaneously provide both mechanical support and optical transparency where needed.
Solution Approach 2:
The porous structure with strategically placed holes enables light to pass through specific regions of the backplane, creating transparent imaging zones. The patterned arrangement of holes allows the backplane to maintain overall structural integrity while providing localized transparency for imaging applications.
3Manufacturing precision
If signal lines are routed densely for high definition display, then display quality is improved, but manufacturing complexity increases
Solution Approach 1:
The signal line routing is segmented into distinct pathways that navigate around the hole array regions. By dividing the routing into separate zones and using standardized connection patterns, the complexity of routing high-definition signals through the perforated backplane is reduced while maintaining signal integrity and display quality.
Data Source
AI summary
Provided is a display panel, including: a backplane, and a plurality of light-emitting units. The light-emitting unit includes a driving portion and a plurality of light-emitting portions fixed on the backplane. The backplane is integrated with a plurality of sets of first signal lines and a plurality of sets of second signal lines. A set of the first signal lines is electrically connected to each of the light-emitting units arranged along a first direction. A set of the second signal lines is electrically connected to each of the light-emitting units arranged along a second direction. The first direction is different from the second direction. A functional portion is provided in a region enclosed by at least part of adjacent first signal lines and at least at least part of adjacent second signal lines. The functional portion is a through hole penetrating through the backplane.