Display device including timing controller generating compensation value based on flag signal
A display device includes a display panel in which a display area is defined and a timing controller. The display panel includes a plurality of blocks each including a plurality of pixels, and the timing controller generates a representative compensation value with respect to each of the blocks. The display area includes a first area and a second area, a boundary line is defined between the first area and the second area, the blocks include a first block adjacent to the boundary line and a second block spaced apart from the boundary line, the timing controller generates a flag signal with respect to the first block, the timing controller generates a first compensation value based on the flag signal, and the timing controller generates a second compensation value using the representative compensation value of the second block and the representative compensation value of another block adjacent to the second block among the blocks.
1 . A display device comprising:
a display panel in which a display area including a first area and a second area spaced apart from the first area in a predetermined direction is defined, the display panel comprising:
a plurality of blocks comprising a first block and a second block, the plurality of blocks each comprising a plurality of pixels; and
a timing controller which generates a representative compensation value with respect to each of the plurality of blocks,
wherein the first area displays a first image,
the second area displays a second image different from the first image,
a boundary line is defined between the first area and the second area,
the first block is adjacent to the boundary line and the second block is spaced apart from the boundary line,
the timing controller generates a flag signal with respect to the first block, the timing controller generates a first compensation value with respect to the first block based on the flag signal, and
the timing controller generates a second compensation value different from the first compensation value using the representative compensation value of the second block and the representative compensation value of another block adjacent to the second block among the plurality of blocks.
2 . The display device of claim 1 , wherein the first block is provided in plural, and
a plurality of first blocks comprises:
a first-first block; and
a first-second block spaced apart from the first-first block with the boundary line interposed therebetween.
3 . The display device of claim 2 , wherein a plurality of first pixel units each comprising at least one pixel among the plurality of pixels is defined in the first-first block,
a plurality of second pixel units each comprising at least one pixel among the plurality of pixels is defined in the first-second block, and
the timing controller generates a plurality of first pixel compensation values with respect to the plurality of first pixel units, respectively, and generates a plurality of second pixel compensation values with respect to the plurality of second pixel units, respectively.
4 . The display device of claim 3 , wherein the first compensation value of the first-first block is a first average value of the plurality of first pixel compensation values,
and the first compensation value of the first-second block is a second average value of the plurality of second pixel compensation values.
5 . The display device of claim 4 , wherein the first-first block is disposed in the first area,
the first-second block is disposed in the second area, and
the first average value is different from the second average value.
6 . The display device of claim 1 , wherein the second image is a black image.
7 . The display device of claim 1 , wherein the second block is provided in plural, and
the first block is disposed between a plurality of second blocks.
8 . The display device of claim 1 , wherein the first block comprises a first block portion and a second block portion adjacent to the first block portion with the boundary line interposed therebetween.
9 . The display device of claim 8 , wherein a plurality of first pixel units each comprising at least one pixel among the plurality of pixels is defined in the first block portion,
a plurality of second pixel units each comprising at least one pixel among the plurality of pixels is defined in the second block portion, and
the timing controller generates a plurality of first pixel compensation values with respect to the plurality of first pixel units, respectively, and generates a plurality of second pixel compensation values with respect to the plurality of second pixel units, respectively.
10 . The display device of claim 9 , wherein the first compensation value of the first block portion is a first average value of the plurality of first pixel compensation values, and
the first compensation value of the second block portion is a second average value of the plurality of second pixel compensation values.
11 . The display device of claim 1 , wherein the timing controller generates the first compensation value using only the representative compensation value of the first block.
12 . The display device of claim 1 , wherein the first block comprises a first block portion and a second block portion adjacent to the first block portion, and
the timing controller generates a partial compensation value with respect to each of the first and second block portions.
13 . The display device of claim 1 , wherein the second compensation value is generated by adding the representative compensation value of the second block and a value obtained by interpolating the representative compensation value of another block adjacent to the second block among the plurality of blocks.
14 . A display device comprising:
a display panel in which a display area including a first area and a second area spaced apart from the first area in a predetermined direction is defined, the display panel comprising:
a plurality of blocks comprising a first block and a second block, the plurality of blocks each comprising a plurality of pixels; and
a timing controller which generates a representative compensation value with respect to each of the plurality of blocks,
wherein the first area displays a first image,
the second area displays a second image different from the first image,
a boundary line is defined between the first area and the second area,
the first block is adjacent to the boundary line and the second block is spaced apart from the boundary line,
the timing controller generates a flag signal with respect to the first block and a first compensation value with respect to the first block in a first unit based on the flag signal, and
the timing controller generates a second compensation value with respect to the second block in a second unit greater than the first unit.
15 . The display device of claim 14 , wherein the first block is provided in plural, and
a plurality of first blocks comprises:
a first-first block; and
a first-second block spaced apart from the first-first block with the boundary line interposed therebetween.
16 . The display device of claim 15 , wherein the first unit is defined as a pixel unit comprising at least one pixel among the plurality of pixels,
the pixel unit comprises a plurality of first pixel units defined in the first-first block and a plurality of second pixel units defined in the first-second block, and
the timing controller generates a plurality of first pixel compensation values with respect to the plurality of first pixel units, respectively, and generates a plurality of second pixel compensation values with respect to the plurality of second pixel units, respectively.
17 . The display device of claim 16 , wherein the first compensation value of the first-first block is a first average value of the plurality of first pixel compensation values, and
the first compensation value of the first-second block is a second average value of the plurality of second pixel compensation values.
18 . The display device of claim 17 , wherein the first-first block is disposed in the first area,
the first-second block is disposed in the second area, and
the first average value is different from the second average value.
19 . The display device of claim 14 , wherein the second image is a black image.
20 . The display device of claim 14 , wherein the second compensation value is generated by adding the representative compensation value of the second block and a value obtained by interpolating the representative compensation value of another block adjacent to the second block among the plurality of blocks.