Electroluminescent display device and method for driving the same
AssigneeLG Display Co., Ltd.
InventorsJung Hyeon KIM, Tae Wook KIM, Seok Hyun HONG
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Abstract
An electroluminescent display device includes a display panel including a plurality of pixels, a first compensation value calculator for calculating a first compensation value based on prediction according to an accumulation result of video data to be written in the pixels, a second compensation value calculator for calculating a second compensation value based on sensing according to an electrical sensing value with respect to driving characteristics of the pixels, and a data corrector for correcting the video data based on the first compensation value and the second compensation value.
Claims17
An electroluminescent display device, comprising:
- a display panel including a plurality of pixels;
- a first compensation value calculator configured to calculate a first compensation value based on prediction according to an accumulation result of video data to be written in the pixels;
- a second compensation value calculator configured to calculate a second compensation value based on sensing according to an electrical sensing value with respect to driving characteristics of the plurality of pixels;
- and
- a data corrector configured to correct the video data on based on the first compensation value and the second compensation value,
- wherein, when a power on period and a power off period are alternatively repeated, the video data of the plurality of pixels are accumulated in all power on periods and the driving characteristics of the plurality of pixels are sensed only in operation power off periods that are part of power off periods.
A method for driving an electroluminescent display device, comprising:
- calculating a first compensation value based on prediction according to an accumulation result of video data to be written in pixels;
- calculating a second compensation value based on sensing according to an electrical sensing value with respect to driving characteristics of the pixels;
- and
- correcting the video data on the basis of the first compensation value and the second compensation value,
- wherein video data of the pixels is accumulated in all power on periods and the driving characteristics of the pixels are sensed only in operation power off periods that are part of power off periods when a power on period and a power off period are alternately repeated.
Dependencies are inferred from the claim text.