Display device
View Patent ↗A display device includes a substrate including first, second, third, and fourth pixel areas, first, second, and third color filters at the first, second, and third pixel areas on the substrate, respectively, and a fourth color filter at the fourth pixel area on the substrate, the fourth color filter having a plurality of holes, wherein the plurality of holes includes a first hole, a second hole, and a third hole adjacent to each other, and wherein a first imaginary straight line passing through a center of the first hole and a center of the second hole has an angle in a range from about 20 degrees to about 80 degrees with respect to a second imaginary straight line passing through the center of the first hole and a center of the third hole.
1. A display device, comprising:
a substrate including first, second, third, and fourth pixel areas;
first, second, and third color filters at the first, second, and third pixel areas on the substrate, respectively; and
a fourth color filter at the fourth pixel area on the substrate, the fourth color filter having a plurality of holes,
wherein the plurality of holes includes a first hole, a second hole, and a third hole adjacent to each other, and
wherein a first imaginary straight line passing through a center of the first hole and a center of the second hole has an angle in a range from about 20 degrees to about 80 degrees with respect to a second imaginary straight line passing through the center of the first hole and a center of the third hole.
2. The display device as claimed in claim 1 , wherein a distance between the center of the first hole and the center of the second hole, a distance between the center of the second hole and the center of the third hole, and a distance between the center of the third hole and the center of the first hole are substantially equal to each other.
3. The display device as claimed in claim 1 , wherein the plurality of holes is arranged in a zigzag manner.
4. The display device as claimed in claim 1 , wherein the plurality of holes have one of a circular shape, an elliptical shape, a semicircular shape, and a polygonal shape on a plane.
5. The display device as claimed in claim 4 , wherein the plurality of holes has a polygonal shape on a plane, a vertex of the polygon having a round shape.
6. The display device as claimed in claim 4 , wherein the plurality of holes has a semicircular shape in at least a part of an edge area of the fourth pixel area.
7. The display device as claimed in claim 1 , wherein the first color filter is a red color filter, the second color filter is a green color filter, and the third color filter is a blue color filter.
8. The display device as claimed in claim 7 , wherein the fourth color filter includes a material that is substantially the same as a material in at least one of the first, second, and third color filters.
9. The display device as claimed in claim 8 , wherein the fourth color filter and the third color filter are unitary.
10. The display device as claimed in claim 1 , further comprising a plurality of pixel electrodes at the first, second, third, and fourth pixel areas on the substrate, respectively.
11. The display device as claimed in claim 10 , wherein an overlap area between the plurality of holes and the pixel electrode at the fourth pixel area is about 25% to about 45% of a planar area of the pixel electrode at the fourth pixel area.
12. The display device as claimed in claim 10 , wherein the plurality of pixel electrodes includes a conductive material having reflectance.
13. The display device as claimed in claim 10 , further comprising a plurality of thin film transistors connected to the plurality of pixel electrodes, respectively.
14. The display device as claimed in claim 1 , further comprising a reflective layer between the substrate and the first, second, third, and fourth color filters.