Video Wall Display System Serial Connector Topology
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Solution Overview
Problem
Existing video wall display systems face complexity in cable configuration due to the need for separate signal cables or distributors between display devices, making it difficult to connect and manage signals effectively.
Innovation Solution
The use of pairs of input and output connectors to connect neighboring display devices in series, simplifying cable connections and enabling signal transmission and audio output control across multiple devices without individual IDs, allowing for user signal input and processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate signal cables or signal distributors are used to connect display devices in a video wall system, then signal transmission between devices is achieved, but cable configuration becomes complicated and difficult to manage
Solution Approach 1:
The patent combines signal transmission and power supply functions into a single integrated cable system. The series connection allows one cable to carry both video signals and electrical power between display devices, eliminating the need for separate signal cables and power cables, thus simplifying cable configuration while maintaining reliable signal transmission
Solution Approach 2:
The cable system is designed to perform multiple functions simultaneously: transmitting video signals bidirectionally, providing power to remote display devices, and enabling device identification. This multi-functional approach reduces the number of separate components needed and simplifies the overall system configuration
2Adaptability or versatility
If multiple display devices are connected in parallel with separate cables, then each device can be independently controlled, but the cable configuration becomes substantially complicated
Solution Approach 1:
The patent segments the cable connection into serial links between adjacent display devices, where each device connects to its neighbors through standardized interfaces. This segmentation allows independent control of each device while simplifying cable connections to basic adjacent-device linking, eliminating complex multi-device cabling
3Ease of operation
If individual IDs are assigned to each display device for audio output control, then precise audio management is achieved, but system complexity and cost increase
Solution Approach 1:
Display devices automatically determine their own position in the video wall configuration through the series connection topology. The device at the signal source end is automatically identified as position (1,1), and subsequent devices are automatically positioned based on signal flow direction, eliminating the need for manual ID assignment while enabling precise audio output control
Data Source
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AI summary
A video wall system which includes a plurality of display devices, the video wall display system including a plurality of display devices, and each of the display devices including: a pair of input and output connectors comprising an input connector connected to a first neighboring display device among the plurality of display devices to input an image signal from the first neighboring display device, and an output connector connected to a second neighboring display device to output the input image signal; a signal processor which processes the input image signal; and a display which displays an image based on the processed image signal.