Display Driver Packet Header for Configuration Time Reduction
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Solution Overview
Problem
The response speed of display devices is affected by the increased time required for configuration during high-speed communication, as the number of configuration options varies depending on applications and source driver vendors, leading to inefficiencies in data communication.
Innovation Solution
A display driving device and display device configuration that includes a timing controller and source driver connected through a communication link, where the configuration data includes a header defining the length of a data packet, enabling high-speed data communication by reducing configuration time and restoring communication abnormal states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the number of configuration options is increased to support high-speed communication, then communication capability is improved, but configuration time increases and response speed deteriorates
Solution Approach 1:
The configuration data is segmented into multiple packets with different priorities. High-priority configuration packets are transmitted first to enable critical high-speed communication settings, while lower-priority packets follow. This segmentation allows the system to achieve high-speed communication capability progressively rather than waiting for complete configuration, thereby reducing overall configuration time while maintaining adaptability.
Solution Approach 2:
Essential configuration options for high-speed communication are prepared and transmitted in advance as high-priority packets. The system performs preliminary configuration of critical parameters before full configuration is complete, enabling high-speed communication to be established sooner. This preliminary action resolves the contradiction by providing adaptability through pre-configured high-speed modes while reducing the perceived configuration time.
2Adaptability or versatility
If configuration data is transmitted in detail to cover all application scenarios, then adaptability is improved, but data transmission time increases
Solution Approach 1:
Configuration data is divided into multiple packets with priority levels. High-priority packets containing essential configuration options for common high-speed applications are transmitted first, enabling quick deployment. Lower-priority packets with specialized configuration options for specific applications are transmitted subsequently. This segmentation maintains comprehensive adaptability while significantly reducing the time required to establish functional high-speed communication.
Solution Approach 2:
The system transmits a partial set of configuration data initially, focusing on high-priority options that cover most high-speed communication scenarios. This partial action enables the system to achieve sufficient adaptability for immediate high-speed operation without transmitting the complete configuration set, thereby reducing data transmission time while maintaining practical versatility.
3Reliability
If low-frequency communication mode is used for configuration, then reliability is improved, but communication speed deteriorates
Solution Approach 1:
Configuration data is segmented into priority-based packets that are transmitted sequentially over the reliable low-frequency link. High-priority packets are transmitted first and processed immediately, enabling critical high-speed communication settings to be established. The segmentation allows the system to maintain reliable low-frequency transmission while achieving high configuration speed for essential parameters by processing packets in priority order rather than waiting for complete data transmission.
Solution Approach 2:
Critical configuration parameters for high-speed communication are prepared as high-priority packets and transmitted first over the reliable low-frequency link. This preliminary action enables the system to establish high-speed communication capability before receiving the complete configuration data, effectively decoupling the reliability of the transmission medium from the speed of configuration establishment.
Data Source
AI summary
The present disclosure discloses a display driving device and a display device including the same, allowing high-speed data communication to be supported by controlling the length of a data packet. The display device may include a timing controller configured to transmit a communication signal, and a source driver connected to the timing controller through a communication link and configured to receive the communication signal. The source driver may receive the communication signal having a format of preamble data, start data, configuration data, end data, and configuration completion data from the timing controller in a configuration mode, and the configuration data may include a header defining a length of a data packet.