RGB Status Display for Source Driver Bit Error Identification
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Solution Overview
Problem
Existing display devices face challenges in efficiently conveying bit error information without requiring complex design structures in the source driver or gate driver, and implementing separate read-back protocols in shipment inspection devices.
Innovation Solution
A display device that converts error information into Morse code and displays it using RGB groups, allowing for simple and accurate identification of the source driver's status without needing a separate read-back protocol.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If error information is transmitted through read-back protocol, then bit error notification is achieved, but implementation complexity increases due to requiring read-back protocol means in shipment inspection device
Solution Approach 1:
The patent extracts the error information transmission function from the read-back protocol and implements it directly in the source driver. The source driver generates identification codes based on error test information and displays them through RGB groups, eliminating the need for separate read-back protocol implementation in inspection devices.
Solution Approach 2:
The source driver performs error detection and information transmission itself without requiring external protocol support. By converting error information into identification codes and displaying them through the display panel's RGB groups, the source driver serves itself for error notification, removing the burden from shipment inspection devices.
2Loss of information
If character string is directly displayed to express accurate error information, then precise error notification is achieved, but design structure complexity increases in source driver or gate driver
Solution Approach 1:
The patent changes the parameter representation from detailed character strings to condensed identification codes. Each identification code corresponds to specific error information, allowing accurate error notification through simplified visual display using RGB groups without requiring complex design structures for character rendering.
Solution Approach 2:
Instead of directly displaying complex error messages or character strings, the patent creates simplified identification codes that represent error information. These codes are displayed through RGB group combinations, providing an accurate yet structurally simple representation of error states.
3Device complexity
If simple line or character display is used for error information, then implementation simplicity is maintained, but information completeness is reduced
Solution Approach 1:
The patent makes the RGB groups serve multiple functions: they display both normal image content and error identification codes. By utilizing the existing display capability for dual purposes, the system maintains implementation simplicity while providing complete error information through the same hardware resources.
Solution Approach 2:
The patent uses different RGB group activation patterns to encode various error information states. By changing which RGB groups are activated and in what patterns, the system conveys complete error information using the same simple display mechanism used for normal operation.
Data Source
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AI summary
A display device according to an embodiment of the present invention may comprise a panel configured to include a plurality of RGB groups, each of the plurality of RGB groups includes a plurality of RGB channels and each of the plurality of RGB channels include a plurality of RGB pixels and a source driver configured to: obtain error information based on error test information for testing an error of data transmitted from a timing controller, convert the error information into an identification code, generate an RGB information set matching the converted identification code, and supply a data voltage to each of a plurality of RGB groups constituting the panel based on the generated RGB information set, wherein the panel is configured to display the identification code based on the data voltage.