Timing Control Unit Decodes Video Interface Control Patterns
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Solution Overview
Problem
Current display devices lack an efficient method to control their operation characteristics through a standardized interface, limiting their ability to receive and process data for optimal performance and image display.
Innovation Solution
A display device and method that utilize a timing control unit to decode control patterns within video signals, generating characteristic control signals and image data for controlling the display device's operation characteristics, allowing for the display of both regular images and test images based on encoded data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a display device uses a standardized video interface for data transmission, then ease of operation and adaptability are improved, but the ability to transmit control data for operation characteristics is limited
Solution Approach 1:
The patent combines control data and image data into a single video signal transmitted through the same video interface. The timing control unit merges the functionality of receiving both control patterns and image data through one interface, eliminating the need for separate communication channels and reducing overall system complexity.
Solution Approach 2:
The video interface is designed to serve multiple functions: transmitting both control patterns for adjusting display characteristics and image data for normal display operations. This multi-functional approach allows a single interface to handle diverse data types without requiring additional specialized communication boards or interfaces.
2Measurement precision
If additional communication boards are used to transmit control data, then control precision is improved, but device complexity and ease of operation deteriorate
Solution Approach 1:
The patent merges control data transmission with the existing video interface, eliminating the need for separate communication boards. Control patterns are embedded within the video signal structure, allowing precise control data transmission through the same interface used for image data, thereby simplifying the overall system.
Solution Approach 2:
The timing control unit acts as an intermediary that receives the composite video signal containing both control patterns and image data, separates them through decoding, and routes them to appropriate processing units. This intermediary function enables precise control without requiring additional communication hardware.
3Productivity
If control patterns are embedded in video signals, then productivity is improved, but measurement and detection difficulty increases
Solution Approach 1:
The timing control unit is pre-configured with knowledge of control pattern structures and their locations within the video signal. This preliminary setup allows the unit to efficiently detect and extract control patterns without requiring complex real-time analysis, maintaining high productivity while simplifying detection.
Solution Approach 2:
The patent replaces complex mechanical or hardware-based control signal transmission with a digital signal processing approach. Control patterns are transmitted as digital data within the video signal and extracted through software-based decoding in the timing control unit, improving efficiency while making detection manageable through algorithmic processing.
Data Source
AI summary
A display device, comprising: a timing control unit receiving a video signal including a control pattern from outside and generating a characteristic control signal and image data based on the control pattern; and a display unit displaying an image based on the image data, wherein the control pattern includes a data pattern in which effective data is encoded, and the timing control unit decodes the data pattern to generate the characteristic control signal including the effective data.