Drive system and method for a color display
AssigneeChi Mei Optoelectronics Corp.
InventorsYing-Hao Hsu, Ming-Chia Shih
Life of this patent
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Abstract
A display has plural pixel groups each having plural color pixels. In a given frame that is divided into a first sub-period and a second sub-period, a first signal is provided in the first sub-period to a pixel of a given color in a first pixel group, and a second signal is provided to the pixel in the second sub-period. The first signal is set to one of a first polarity and a second polarity, and the second signal is set to one of the first polarity and second polarity, wherein the first signal and the second signal form a first sequence. A pixel of the given color in a second pixel group that is adjacent the first pixel group is driven with a second sequence of signals that is the same as the first sequence.
Claims32
A method for use with a display having plural pixel groups, each pixel group having plural color pixels, the method comprising:
- in a given frame period that is divided into a first sub-period and a second sub-period, providing a first signal in the first sub-period to a pixel of a given color in a first pixel group, and providing a second signal to the pixel in the second sub-period, wherein the first and second signals are combined to achieve an original gray scale level for the pixel;
- setting the first signal to one of a first polarity and a second polarity, and setting the second signal to one of the first polarity and second polarity, wherein the first signal having one of the first and second polarities and the second signal having one of the first and second polarities form a first sequence;
- and
- driving a pixel of the given color in a second pixel group that is adjacent the first pixel group with a second sequence of signals, wherein the second sequence is the same as the first sequence.
A driver system for use with a display having plural pixel groups, each pixel group having plural color pixels, the driver system comprising:
- a display signal controller to:
- in a given frame period that is divided into a first sub-period and a second sub-period, provide a first signal in the first sub-period to a pixel of a given color in a first pixel group, and provide a second signal to the pixel in the second sub-period, wherein the first and second signals are for combination to achieve an original gray scale level for the pixel;
- and
- a polarity controller to set the first signal to one of a first polarity and a second polarity, and set the second signal to one of the first polarity and second polarity, wherein the first signal having one of the first and second polarities and the second signal having one of the first and second polarities form a first sequence,
- wherein the display signal controller and polarity controller cooperate to further drive a pixel of the given color in a second pixel group that is adjacent the first pixel group with a second sequence of signals, wherein the second sequence is the same as the first sequence.
A display device comprising:
- a color display panel having plural pixel groups, each pixel group having plural color pixels;
- and
- a driver system coupled to the color display panel, the driver system comprising:
- a display signal controller to:
- in a first frame period that is divided into plural sub-periods provide plural display signals in the respective sub-periods to a pixel of a given color in a first pixel group, wherein the plural display signals are for combination to achieve an original gray scale level for the pixel;
- and
- a polarity controller to set respective polarities of the display signals, wherein the plural signals having respective polarities form a first sequence,
- wherein the display signal controller and polarity controller cooperate to further drive a pixel of the given color in a second pixel group that is adjacent the first pixel group with a second sequence of signals, wherein the second sequence is the same as the first sequence.
Dependencies are inferred from the claim text.