| CPC G09G 3/32 (2013.01) [G09G 2300/0452 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/041 (2013.01); G09G 2320/0626 (2013.01)] | 23 Claims |
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1. A display apparatus comprising:
a display panel comprising a plurality of light emitting diode (LED) pixels;
a panel driver configured to provide a driving signal to the display panel to drive the display panel;
a memory storing heating characteristic information of each of a red (R) sub-pixel, a green (G) sub-pixel, and a blue (B) sub-pixel included in each of the plurality of LED pixels; and
a processor configured to:
obtain an average brightness value corresponding to an input image based on a gray level value of the input image,
obtain heating estimation data of the input image based on the gray level value of the input image and the heating characteristic information stored in the memory, the heating characteristic information including power information of each of the R sub-pixel, the G sub-pixel, and the B sub-pixel separately correlated for each gray level,
modify the obtained average brightness value based on the heating estimation data, and
control the panel driver based on the modified average brightness value,
wherein the heating characteristic information comprises a first rate of change of heat conversion corresponding to a first color sub-pixel among the R sub-pixel, the G sub-pixel, and the B sub-pixel, and a second rate of change of heat conversion corresponding to a second color sub-pixel among the R sub-pixel, the G sub-pixel, and the B sub-pixel, and
wherein the first rate of change increases faster than the second rate of change corresponding to an increase in temperature.
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