Dynamic Driving Circuit for RGB to RGBW Pixel Conversion
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Solution Overview
Problem
Existing display panels with RGB three-primary color mixed light mode have low transmittance and high power consumption, limiting their optimization, and the transition to RGBW four-color pixel displays requires significant investment in new manufacturing equipment and materials, making it difficult to maintain compatibility without design changes.
Innovation Solution
A method and system that allow a three-color pixel display panel to be converted into a four-color pixel display panel by generating a fourth color sub-pixel using grayscale values of the existing sub-pixels and rearranging them, using Sub-Pixel Rendering algorithms, without altering the panel design, and vice versa, by modifying the driving circuit configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If RGBW four-color pixel display panel is introduced to improve energy saving and display quality, then energy consumption is reduced and brightness is improved, but manufacturing equipment must be modified and investment increases
Solution Approach 1:
The patent makes the driving circuit universally adaptable to both RGB and RGBW pixel configurations. The same physical panel can be driven in different modes by reconfiguring the driving circuit, allowing one manufacturing line to produce both three-color and four-color display products without equipment modification, thereby reducing investment costs while achieving energy savings
2Use of energy by stationary object
If RGBW four-color pixel display panel is introduced to improve energy saving, then power consumption is reduced by 30%-50%, but mask development and material investment increase
Solution Approach 1:
The driving circuit is designed to support both RGB and RGBW modes using the same physical sub-pixels. By reconfiguring the driving signals and sub-pixel grouping, the system achieves 30%-50% power consumption reduction without requiring new mask materials or chemical substances, thereby avoiding material development investment
3Adaptability or versatility
If driving circuit configuration is changed to convert between three-color and four-color pixel modes, then compatibility is maintained without panel design changes, but driving circuit complexity increases
Solution Approach 1:
The driving circuit employs dynamic reconfiguration capability where sub-pixel grouping and scanning patterns can be changed during operation. The circuit can switch between treating pixels as RGB or RGBW based on the display mode requirement, maintaining compatibility while managing complexity through programmable control rather than fixed hardware design
Data Source
AI summary
The present application relates to a system and method for driving a three-color and four-color pixel display panel, including: providing a three-color pixel display panel; connecting the three-color pixel display panel to a driver; generating, by the driver, a fourth color sub-pixel according to grayscale values of three color sub-pixels to convert the three-color pixel display panel to a four-color pixel display panel; converting, by the driver, each two adjacent pixel units to one pixel unit, and each two adjacent fourth color sub-pixels to one fourth color sub-pixel; and converting, by the driver, each fourth color sub-pixel back to the first color sub-pixel, the second color sub-pixel and the third color sub-pixel, so as to convert the four-color pixel display panel back to the three-color pixel display panel.