Organic light emitting display device
An organic light emitting display device includes a substrate including a white pixel region, a blue color filter pattern in a first region of the white pixel region, an overcoat layer covering the blue color filer pattern and including a micro-lens, a first electrode on the overcoat layer, an organic emitting layer covering the first electrode, and a second electrode covering the organic emitting layer.
1. An organic light emitting display device, comprising:
a substrate including a white pixel region;
a blue color filter pattern in a first region of the white pixel region;
an overcoat layer covering the blue color filer pattern and including a micro-lens;
a first electrode on the overcoat layer;
an organic emitting layer covering the first electrode; and
a second electrode covering the organic emitting layer.
2. The organic light emitting display device according to claim 1 , wherein the white pixel region includes an emission area and a non-emission area at a periphery of the emission area, and the first region corresponds to the non-emission area.
3. The organic light emitting display device according to claim 2 , wherein the substrate further includes a first pixel region adjacent to the white pixel region along a first direction, and
wherein the organic light emitting display device further includes a first color filter in an emission area of the first pixel region.
4. The organic light emitting display device according to claim 3 , wherein the overcoat layer includes an indent portion in the non-emission area between the white pixel region and the first pixel region, and the second electrode is positioned in the indent portion.
5. The organic light emitting display device according to claim 4 , further comprising:
a bank disposed in the non-emission area and covering an edge of the first electrode,
wherein the bank exposes the indent portion.
6. The organic light emitting display device according to claim 4 , wherein the second electrode in the indent portion is positioned between the first color filter and the blue color filter pattern.
7. The organic light emitting display device according to claim 6 , wherein the first pixel region is a red pixel region, and the first color filter is a red color filter.
8. The organic light emitting display device according to claim 4 , further comprising:
a metal line disposed between the substrate and the overcoat layer,
wherein the metal line overlaps the indent portion.
9. The organic light emitting display device according to claim 3 , wherein the first pixel region is a blue pixel region, and the first color filter is a blue color filter, and
wherein the blue color filter pattern extends from the first color filter.
10. The organic light emitting display device according to claim 9 , wherein the micro-lens is provided in the non-emission area between the white pixel region and the first pixel region and overlaps the blue color filter pattern.
11. The organic light emitting display device according to claim 10 , wherein the micro-lens has a first aspect ratio in the non-emission area of the white pixel region and a second aspect ratio in the emission area of the white pixel region, and
wherein the first aspect ratio is greater than the second aspect ratio.
12. The organic light emitting display device according to claim 9 , wherein the blue color filter pattern corresponds to at least two sides of the emission area of the white pixel region.
13. The organic light emitting display device according to claim 9 , wherein the substrate further includes a second pixel region adjacent to the white pixel region and opposite to the first pixel region, and
wherein the micro-lens in the second pixel region corresponds to the emission area of the second pixel region, and the micro-lens in the white pixel region corresponds to the emission area and the non-emission area of the white pixel region.
14. The organic light emitting display device according to claim 13 , further comprising:
a bank disposed in the non-emission area and having an opening in correspondence to the emission area.
15. The organic light emitting display device according to claim 14 , wherein in the second pixel region, an area of the opening is substantially equal to an area of the micro-lens, and in the white pixel region, the area of the opening is smaller than the area of the micro-lens.
16. The organic light emitting display device according to claim 14 , wherein the bank includes an uneven surface in the non-emission area between the white pixel region and the first pixel region, and a flat surface in a non-emission area between the first and second pixel regions.
17. The organic light emitting display device according to claim 13 , wherein at least one of the overcoat layer, the organic emitting layer and the second electrode includes an uneven surface in the non-emission area between the white pixel region and the first pixel region, and a flat surface in a non-emission area between the first and second pixel regions.
18. The organic light emitting display device according to claim 1 , wherein the micro-lens has a first aspect ratio in the first region and a second aspect ratio in a second region of the white pixel region except the first region.
19. The organic light emitting display device according to claim 1 , wherein the first region runs across the white pixel region.
20. The organic light emitting display device according to claim 19 , further comprising:
a blue color filter in a second pixel region adjacent to the white pixel region,
wherein the blue color filter pattern extends from the blue color filter.