Timing Controller Integrating Image Processing and Luminance Adjustment
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Solution Overview
Problem
Current portable display devices lack the capability to dynamically adjust image characteristics and backlight settings to meet user requirements, as they rely solely on built-in VGA cards for image processing, which becomes inadequate with increasing complexity of image data and display panel maturity.
Innovation Solution
A timing controller is introduced that integrates an image processing circuit, luminance adjusting circuit, data converting circuit, and driving signal generating circuit to process image data, adjust luminance, convert data formats, and control the driving circuit and backlight module, enabling dynamic image processing and backlight control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a built-in VGA card is used for image processing, then the device structure remains simple, but the capability to dynamically adjust image characteristics and meet user requirements deteriorates
Solution Approach 1:
The patent merges the image processing circuit, luminance adjusting circuit, data converting circuit, and driving signal generating circuit into a single integrated timing controller. This consolidation provides comprehensive image processing and display control capabilities while maintaining a compact device structure, resolving the contradiction between adaptability and device complexity.
Solution Approach 2:
The timing controller is designed as a multi-functional device that performs image processing, luminance adjustment, data conversion, and driving signal generation simultaneously. This universal approach enables the device to handle various image characteristics and user requirements through a single integrated component, improving adaptability without proportionally increasing device complexity.
2Manufacturing precision
If image processing and backlight control are integrated in the timing controller, then display quality and power efficiency improve, but the timing controller complexity increases
Solution Approach 1:
The patent combines image processing, luminance adjustment, and backlight control functions into the timing controller. This integration ensures coordinated optimization of display quality and power consumption while managing complexity through unified control architecture.
Solution Approach 2:
The luminance adjusting circuit receives feedback from the processed image data and the backlight control circuit receives feedback from image characteristics to dynamically adjust their operations. This feedback mechanism enables precise control of display quality and power efficiency while maintaining manageable timing controller complexity through adaptive regulation.
Data Source
AI summary
A timing controller utilized in a display device includes an image processing circuit, a luminance adjusting circuit, a data converting circuit and a driving signal generating circuit. The image processing circuit performs image processing on image data of an image signal. The luminance adjusting circuit adjusts luminance of the processed image data according to a luminance characteristic of the display panel of the display device. According to a pixel arrangement of the display panel, the data converting circuit converts the adjusted image data to display data provided to a driving circuit of the display panel. The driving signal generating circuit generates a driving signal to control the driving circuit according to a synchronous signal of the image signal.