LED Video Wall Controller Virtual Canvas Reduces Cabling
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Solution Overview
Problem
Traditional LED video walls face challenges in delivering high-resolution video content due to fixed tile sizes and non-standard data protocols, leading to complex cabling, unequal display resolutions, and limited redundancy, which complicates setup and resilience.
Innovation Solution
A method and system that utilize a video controller to virtually render video content into a single, unlimited pixel canvas, allowing for flexible tile addressing and packet-switched network transmission, enabling seamless image display across a high-resolution video wall with redundant pathways for increased resilience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If fixed-size LED tiles with fixed pixel density are used to construct video walls, then manufacturing and assembly are simplified, but the resulting video wall resolution does not correspond to standard video content rasters and requires complex signal conversion
Solution Approach 1:
The patent introduces LED controllers as intermediary devices between standard video sources and LED tiles. Each controller receives standard video signals (HDMI, DVI, DisplayPort, SDI) and converts them to proprietary formats suitable for driving groups of tiles. This intermediary layer resolves the mismatch between fixed tile resolutions and standard video rasters without requiring custom video sources.
Solution Approach 2:
The patent divides the video wall into multiple display portions, each driven by its own LED controller. This segmentation allows each controller to handle a manageable subset of tiles independently, converting standard video signals to drive specific portions of the overall video wall. The division enables modular architecture where controllers can be distributed across the tile array.
2Measurement precision
If multiple separate displays are used to achieve high resolution beyond UHD/4K, then the video wall can display higher resolution content, but the setup becomes extremely complex with multiple video streams and computers
Solution Approach 1:
The patent merges multiple LED controllers into a coordinated system that collectively drives a high-resolution video wall. Instead of requiring separate computers and video streams for each display portion, the controllers work together as an integrated system, receiving and processing video signals to produce a unified high-resolution output across the entire tile array.
Solution Approach 2:
LED controllers serve as intermediaries that simplify the connection between standard video sources and high-resolution video walls. By positioning controllers between the video source and tile array, the system can achieve resolutions beyond UHD/4K using standard video inputs, eliminating the need for multiple computers and complex multi-stream configurations.
3Ease of operation
If proprietary data protocols over non-industry-standard physical media are used for tile communication, then tile control is simplified, but cabling complexity increases and redundancy is limited
Solution Approach 1:
The patent makes LED controllers universal interface devices that can accept multiple industry-standard video inputs (HDMI, DVI, DisplayPort, SDI) and convert them to proprietary formats for tile communication. This universality allows the system to use standard cabling for video sources while maintaining simplified proprietary protocols for tile control, reducing overall cabling complexity.
Solution Approach 2:
LED controllers act as intermediary conversion points between standard video cabling and proprietary tile communication protocols. By placing controllers at the interface between these two domains, the system can use industry-standard physical media for video sources while maintaining simplified proprietary protocols for tile control, thus reducing overall cabling complexity.
4Reliability
If individual LED tiles are not electronically aware of being part of a larger video wall, then tile independence is maintained, but seamless image display across multiple tiles becomes difficult
Solution Approach 1:
The patent merges the functionality of individual LED tiles into coordinated display portions, each driven by its own LED controller. The controllers coordinate to create seamless images across tile boundaries by treating groups of tiles as unified display surfaces. This merging maintains tile physical independence while achieving electronic coordination for seamless display.
Solution Approach 2:
The patent segments the video wall into multiple display portions, each with its own LED controller. This segmentation allows each controller to independently manage its portion while coordinating with others to achieve seamless overall display. The segmentation maintains tile independence at the controller level while enabling coordinated seamless imaging across the entire video wall.
Data Source
AI summary
Methods, systems and devices for displaying video content on large, high resolution video walls, which may comprise a mesh network of an array of display tiles with redundant network switching, in which a virtual, unlimited pixel canvas is created in a video controller memory to facilitate packetizing and addressing of video content packets for delivery to the video wall through a packet-switched network. Embodiments disclosed are particularly well-suited for use with video walls employing LED tiles.