Computer system display driving method and system with means for recognizing the driving method of the display
AssigneeHuan Fund Pte. L.L.C.
InventorMoriyuki Tsuchihashi
Life of this patent
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Abstract
An image display system includes an LCD (liquid crystal display) or other display driven by alternating current and driven in an inverted manner by a predetermined driving method on a pixel basis, and an LCD driving device for generating a Frame Rate Control (FRC) pattern which is the same as the pattern utilized by the predetermined driving method. The display is thereby driven so as to allow the display to make an expression in gradations higher (for example, 256 gradations) than gradations (for example, 64 gradations) natively supported by the display.
Claims19
An apparatus for driving a display of a computer system, the apparatus comprising:
- display data receiving means for receiving image data comprising, for each image pixel, a first gradation level within a first set of gradation levels supported by said computer system;
- inversion driving method recognizing means for recognizing an inversion driving method of the display;
- and
- output means for outputting pixel data to the display by selecting a Frame Rate Control pattern that is the same as a pattern of the recognized inversion driving method and generating the selected same Frame Rate Control pattern to drive said display to provide images using the first gradation level where said display only supports a second set of gradations comprising fewer gradation levels than said first set of gradation levels and not including the first gradation level.
An image display system comprising:
- a display driven by alternating current and driven in an inverted manner by a predetermined driving method on a pixel basis;
- and
- a driving device configured for recognizing the predetermined driving method and driving the display to express image pixels at a number of gradations greater than a number of gradations supported by the display by selecting a Frame Rate Control pattern which is the same as a pattern utilized by the recognized predetermined driving method generating the selected same Frame Rate Control pattern to drive said display.
An image display system comprising:
- a display driven by alternating current and driven in an inverted manner by a predetermined inversion driving method on a pixel basis;
- and
- a driving device configured for recognizing the predetermined inversion driving method and for driving the display by selecting a Frame Rate Control pattern that is the same as the recognized predetermined inversion driving method and generating the selected same Frame Rate Control pattern to drive the display to express image pixels in a number of gradations greater than the number of gradations available in the display,
- wherein the driving device drives the display to equalize, in each pixel, a central potential of drive by a combination of the recognized inversion driving method and the selected Frame Rate Control pattern.
A method of driving a display of a computer system, the method comprising:
- receiving image data comprising, for each image pixel, a first gradation level within a first set of gradation levels supported by said computer system;
- data expressed by first gradations from a host and performing first gradation display on a display supporting second gradations lower than the first gradations, the method comprising the steps of:
- recognizing an inversion driving method of the display;
- selecting a Frame Rate Control pattern that is the same as a pattern of the recognized inversion driving method;
- and
- outputting pixel data to the display by generating the selected same Frame Rate Control pattern to drive said display to provide images using a first gradation level of the first set of gradations where said display only supports a second set of gradations comprising fewer gradation levels than said first set of gradation levels and not including the first gradation level.
A method of driving a computer system display at an image level comprising a first number of gradations on a display supporting only a second number of gradations lower than said first number of gradations, the method comprising:
- recognizing a predetermined inversion driving pattern of the display;
- selecting a Frame Rate Control pattern that is the same as a pattern of the recognized predetermined inversion driving pattern;
- inversion driving said display by the predetermined pattern to a frame N and a frame N+1 in a x.5-th gradation display, where x is an integer equal to the second number of gradations;
- and
- outputting pixel data to the display by using the selected same Frame Rate Control pattern to equalize, in each pixel, a central potential of drive by a combination of the selected same Frame Rate Control pattern with the recognized predetermined inversion drive pattern.
Dependencies are inferred from the claim text.