Display device and method of driving the same
AssigneeLG Display Co., Ltd.
InventorsSo-Jeong Kim, Chan Park, Seung-Hyeok Kim
Life of this patent
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Abstract
A display device includes: a timing controlling unit generating an image data, a data control signal and a gate control signal; a data driving unit generating a data signal using the image data and the data control signal; a gate driving unit generating a plurality of scan signals and an emission signal using the gate control signal; and a display panel displaying an image using the data signal, the plurality of scan signals and the emission signal, wherein the emission signal includes a plurality of cycles each having a duty-on period and an duty-off period during one frame, and wherein duty ratios of at least two of the plurality of cycles are different from each other.
Claims14
A display device, comprising:
- a timing controlling unit configured to generate an image data, a data control signal and a gate control signal;
- a data driving unit configured to generate a data signal using the image data and the data control signal;
- a gate driving unit configured to generate a plurality of scan signals and an emission signal using the gate control signal;
- and
- a display panel configured to display an image using the data signal, the plurality of scan signals and the emission signal,
- wherein the emission signal includes a plurality of cycles each having a duty-on period and a duty-off period during one frame,
- wherein duty ratios of at least two of the plurality of cycles are different from each other,
- wherein the plurality of cycles include first, second, third and fourth cycles,
- wherein the duty-off period of the first and third cycles includes the reset period,
- wherein the reset period is omitted in the duty-off period of the second and fourth cycles,
- wherein a width of the duty-off period of the first and third cycles is smaller than a width of the duty-off period of the second and fourth cycles, and
- wherein a width of the duty-on period of the first and third cycles is greater than a width of the duty-on period of the second and fourth cycles.
A display device, comprising:
- a timing controlling unit configured to generate an image data, a data control signal and a gate control signal;
- a data driving unit configured to generate a data signal using the image data and the data control signal;
- a gate driving unit configured to generate a plurality of scan signals and an emission signal using the gate control signal;
- and
- a display panel configured to display an image using the data signal, the plurality of scan signals and the emission signal,
- wherein the emission signal includes a plurality of cycles each having a duty-on period and a duty-off period during one frame,
- wherein duty ratios of at least two of the plurality of cycles are different from each other, and
- wherein the width of the duty-off period where decrease of a peak luminance occurs is smaller than the width of the duty-off period where decrease of the peak luminance does not occur.
A method of driving a display device including a timing controlling unit, a data driving unit, a gate driving unit and a display panel, comprising:
- during a duty-on period of each of a plurality of cycles of one frame, emitting a light by a subpixel of the display panel;
- and
- during a duty-off period of each of the plurality of cycles, applying a data signal to the subpixel of the display panel,
- wherein duty ratios of at least two of the plurality of cycles are different from each other,
- wherein the plurality of cycles include first, second, third and fourth cycles,
- wherein the duty-off period of the first and third cycles includes the reset period,
- wherein the reset period is omitted in the duty-off period of the second and fourth cycles,
- wherein a width of the duty-off period of the first and third cycles is smaller than a width of the duty-off period of the second and fourth cycles, and
- wherein a width of the duty-on period of the first and third cycles is greater than a width of the duty-on period of the second and fourth cycles.
A method of driving a display device including a timing controlling unit, a data driving unit, a gate driving unit and a display panel, comprising:
- during a duty-on period of each of a plurality of cycles of one frame, emitting a light by a subpixel of the display panel;
- and
- during a duty-off period of each of the plurality of cycles, applying a data signal to the subpixel of the display panel,
- wherein duty ratios of at least two of the plurality of cycles are different from each other,
- wherein a third width of a duty-off period where decrease of a peak luminance occurs is smaller than a fourth width of a duty-off period where decrease of the peak luminance does not occur.
Dependencies are inferred from the claim text.