Liquid Crystal Panel Timing Controller Pre-set Image Display
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Solution Overview
Problem
Liquid crystal panels cannot display any image before receiving an external source image from a system, limiting their functionality as passive devices.
Innovation Solution
A method and device that control a timing controller to load a pre-set image from a pre-programmed memory after power-on, judging its validity, and displaying it until an external source image is received, effectively turning the panel into an active display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If liquid crystal panel operates as passive device waiting for external source image, then device complexity is reduced, but display functionality is limited and user experience deteriorates
Solution Approach 1:
The patent applies preliminary action by pre-storing multiple images (including logo images, background images, and error indication images) in the memory module before the liquid crystal panel is powered on. When the panel is activated, these pre-stored images are immediately available for display without requiring external input, enabling the panel to function autonomously from the moment of power-on until an external source image is received.
2Illumination intensity
If liquid crystal panel displays black screen before external image arrival, then power consumption is reduced, but visual experience and information feedback are lost
Solution Approach 1:
The patent implements preliminary action by pre-loading multiple images into memory before power-on. Upon activation, the control module immediately retrieves and displays appropriate pre-stored images (such as logo or background images) without requiring external input or causing display delays. This eliminates the traditional black screen period and provides immediate visual feedback to users.
Solution Approach 2:
The patent introduces an intermediary solution by using pre-stored images as temporary visual content between power-on and external image arrival. These intermediary images (logo images, background images) serve as placeholders that provide visual indication during the transition period, replacing the traditional black screen state and improving user experience without requiring external systems.
3Reliability
If liquid crystal panel remains passive without error signaling capability, then system simplicity is maintained, but diagnostic and error indication functionality are lost
Solution Approach 1:
The patent uses pre-stored error indication images as an intermediary communication mechanism between the control module and the user. When the control module detects errors such as missing external images, timing issues, or signal abnormalities, it retrieves and displays corresponding error indication images from memory. This provides intuitive visual error feedback without requiring complex additional hardware or sophisticated error handling systems.
Data Source
AI summary
Disclosed are a method and a device for displaying an image on a liquid crystal panel. The method includes: controlling a timing controller to load a pre-set image from a pre-programmed memory after the liquid crystal panel is powered on, wherein the liquid crystal panel comprises the timing controller, the timing controller is connected with the memory; judging whether the pre-set image is valid; and controlling the liquid crystal panel to display the pre-set image until an external source image is received when the pre-set image is valid. The disclosure solves the technical problem in the related art that a liquid crystal panel cannot display any image before an external system provides an external source image.