Organic light emitting diode display device
AssigneeLG Display Co., Ltd.
InventorsMin-Cheol Kim, Jae-Hong Kim, Hee-Eun Lee
Life of this patent
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Abstract
Disclosed herein is an organic light emitting diode (OLED) display device capable of improving image sticking improvement capability by expanding an image shift orbit or changing the shape of an image shift orbit using a maximum shift range. An image processor of an OLED display device independently determines a pixel shift amount in a horizontal direction and a pixel shift amount in a vertical direction in consideration of a maximum shift range in each of the horizontal and vertical directions, simultaneously applies the determined pixel shift amounts in the horizontal and vertical directions to shift a source image, and outputs the shifted image.
Claims15
An organic light emitting diode (OLED) display device comprising:
- a panel configured to display an image;
- a panel driver configured to drive the panel;
- and
- an image processor configured to independently determine a pixel shift amount in a horizontal direction and a pixel shift amount in a vertical direction in consideration of a maximum shift range in each of the horizontal and vertical directions, to simultaneously apply the determined pixel shift amounts in the horizontal and vertical directions to shift a source image, and to output the shifted image to the panel driver,
- wherein a shape of a shift orbit of the source image is changed according to a size of the maximum shift range,
- wherein, when a size of the shift orbit in the horizontal direction is not an integral multiple of that of the shift orbit in the vertical direction, the source image is shifted to the maximum shift range in the horizontal direction and then is shifted along a shift orbit having another shape.
An organic light emitting diode (OLED) display device comprising:
- a panel configured to display an image;
- a panel driver configured to drive the panel;
- and
- an image processor configured to independently determine a pixel shift amount in a horizontal direction and a pixel shift amount in a vertical direction in consideration of a maximum shift range in each of the horizontal and vertical directions, to simultaneously apply the determined pixel shift amounts in the horizontal and vertical directions to shift a source image, and to output the shifted image to the panel driver,
- wherein a shape of a shift orbit of the source image is changed according to a size of the maximum shift range,
- wherein, when a size of the shift orbit in the horizontal direction is an even-numbered integral multiple of that of the shift orbit in the vertical direction, the source image is shifted along a diamond orbit expanded in the horizontal direction.
An organic light emitting diode (OLED) display device comprising:
- a panel configured to display an image;
- a panel driver configured to drive the panel;
- and
- an image processor configured to independently determine a pixel shift amount in a horizontal direction and a pixel shift amount in a vertical direction in consideration of a maximum shift range in each of the horizontal and vertical directions, to simultaneously apply the determined pixel shift amounts in the horizontal and vertical directions to shift a source image, and to output the shifted image to the panel driver,
- wherein a shape of a shift orbit of the source image is changed according to a size of the maximum shift range,
- wherein, when a size of the shift orbit in the horizontal direction is an odd-numbered integral multiple of that of the shift orbit in the vertical direction, the source image is shifted to the maximum shift range in the horizontal direction and then is shifted along a same shift orbit.
Dependencies are inferred from the claim text.