External Video Processing Unit for Display Quality Control
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Solution Overview
Problem
The challenge is to maintain high image quality in video display systems while controlling manufacturing costs, as existing systems often require high-performance processors for automatic parameter correction based on display panel aging and content types.
Innovation Solution
A video display system comprising a video display unit and an external unit that communicates to derive and transmit image quality parameters, using specific information from the display panel, environment, and user data to adjust image quality without increasing manufacturing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a high-performance processor is used for automatic parameter correction, then image quality is improved, but manufacturing cost increases
Solution Approach 1:
The patent extracts the complex image processing functions from the video display unit and relocates them to an external device. The video display unit only performs basic display functions, while the external device handles advanced processing such as noise reduction, sharpness enhancement, and color correction. This extraction allows the video display unit to use a simple, low-cost processor while maintaining high image quality through external processing.
Solution Approach 2:
The patent introduces an external device as an intermediary between the video source and the video display unit. This intermediary performs complex image processing operations and sends the processed video signals to the display unit. The external device acts as a mediator that offloads computational tasks from the video display unit, enabling high image quality without requiring a high-performance processor in the display unit itself.
2Manufacturing precision
If complex information processing is performed in the video display unit, then image quality is improved, but device complexity increases
Solution Approach 1:
The patent segments the overall video processing system into two distinct parts: a simple video display unit for basic display functions and a complex external device for advanced image processing. This segmentation separates the computational complexity from the display hardware, allowing the video display unit to remain simple while still achieving high image quality through the external processing component.
Solution Approach 2:
The patent extracts complex processing functions (noise reduction, sharpness enhancement, color correction, motion compensation) from the video display unit and places them in an external device. This extraction reduces the device complexity of the video display unit while maintaining or enhancing image quality through the external processing capabilities.
Data Source
AI summary
A video display system includes a video display unit, and an external unit configured to be communicatable with the video display unit. The video display unit includes a display panel and is configured to transmit specific information to the external unit. The specific information includes display panel information related to the display panel. The external unit is configured to derive a parameter from the specific information received from the video display unit and to transmit, to the video display unit, one of the derived parameter and related data related to the derived parameter. The parameter determines image quality.