Display device and a method of driving the display device
AssigneeSamsung Display Co., Ltd.
InventorsJi-Woong Jeong, Boyoung An
Life of this patent
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Abstract
A display device including: a display panel which includes a plurality of pixels arranged in first to nth pixel rows, wherein n is a natural number greater than 1; and a panel driver which drives the display panel in response to input image data, and generates sensing data by sensing the plurality of pixels, wherein the panel driver randomly senses one of the first to nth pixel rows in each of a plurality of sensing frame periods when the input image data correspond to a low grayscale image, wherein the sensing frame periods are repeated and consecutive non-sensing frame periods are provided between the sensing frame periods.
Claims21
A display device, comprising:
- a display panel which includes a plurality of pixels arranged in first to nth pixel rows, wherein n is a natural number greater than 1;
- and
- a panel driver which drives the display panel in response to input image data during frame periods, and generates sensing data by sensing the plurality of pixels, each frame period comprises an active period and a vertical blank period,
- wherein the panel driver randomly senses one of the first to nth pixel rows in each of a plurality of sensing frame periods when the input image data correspond to a low grayscale image to prevent a horizontal line from being recognized due to a sensing in the low grayscale image, wherein the sensing frame periods are repeated with consecutive non-sensing frame periods provided therebetween,
- wherein, in the non-sensing frame periods, no sensing of the pixels is performed during the vertical blank period, and
- wherein, in the sensing frame periods, sensing of the pixels is performed during the vertical blank period.
A method of driving a display device, the method comprising:
- driving a display panel of the display device in response to input image data during frame periods, each frame period comprises an active period and a vertical blank period;
- determining whether the input image data correspond to a low grayscale image;
- and
- randomly sensing one of first to nth pixel rows in each of a plurality of sensing frame periods when the input image data correspond to the low grayscale image to prevent a horizontal line from being recognized due to a sensing in the low grayscale image,
- wherein the sensing frame periods are repeated with consecutive non-sensing frame periods provided therebetween,
- wherein n is a natural number greater than 1,
- wherein, in the non-sensing frame periods, no sensing of pixels is performed during the vertical blank period, and
- wherein, in the sensing frame periods, sensing of the pixels is performed during the vertical blank period.
An electronic device, comprising:
- a display panel which includes a plurality of pixels arranged in first to nth pixel rows, wherein n is a natural number greater than 1;
- and
- a panel driver which drives the display panel in response to input image data during frame periods, and generates sensing data by sensing the plurality of pixels, each frame period comprises an active period and a vertical blank period,
- wherein the panel driver randomly senses one of the first to nth pixel rows in each of a plurality of sensing frame periods when the input image data correspond to a low grayscale image to prevent a horizontal line from being recognized due to a sensing in the low grayscale image, wherein the sensing frame periods are repeated with consecutive non-sensing frame periods provided therebetween,
- wherein, in the non-sensing frame periods, no sensing of the pixels is performed during the vertical blank period, and
- wherein, in the sensing frame periods, sensing of the pixels is performed during the vertical blank period.
Dependencies are inferred from the claim text.