Organic light emitting diode display
View Patent ↗An organic light emitting diode display includes: a substrate; a first electrode positioned on the substrate; an organic layer positioned on the first electrode; a transflective layer positioned on the organic layer; an organic emission layer positioned on the transflective layer; and a second electrode positioned on the organic emission layer.
1. An organic light emitting diode display device, comprising:
a substrate;
a first electrode positioned on the substrate;
an organic layer positioned on the first electrode;
an organic emission layer positioned on the organic layer, the organic emission layer comprising a first organic emission layer emitting first light, a second organic emission layer emitting second light having a wavelength shorter than a wavelength of the first light, and a third organic emission layer emitting third light having a wavelength shorter than the wavelength of the second light;
a transflective layer coterminous in length with the third organic emission layer interposed between the third organic emission layer and the organic layer; and
a second electrode positioned on the organic emission layer.
2. The organic light emitting diode display device of claim 1 , wherein a thickness acquired by adding up the organic layer, the transflective layer, and the organic emission layer is in a range of 1000 to 3000 Å.
3. The organic light emitting diode display device of claim 1 , wherein the third organic emission layer emits blue light.
4. The organic light emitting diode display device of claim 1 , wherein the thickness of the organic emission layer is in a range of 600 to 800 Å.
5. The organic light emitting diode display device of claim 1 , wherein the first electrode is an anode, wherein the organic layer includes a first hole injection layer adjacent to the transflective layer, and wherein the organic emission layer includes a second hole injection layer adjacent to the transflective layer.
6. The organic light emitting diode display device of claim 1 , wherein the transflective layer contains metal.
7. The organic light emitting diode display device of claim 6 , wherein the transflective layer contains at least one of aluminum (Al), silver (Ag), calcium (Ca), calcium-silver (CaAg), magnesium-silver (MgAg), and aluminum-silver (AlAg).
8. The organic light emitting diode display device of claim 7 , wherein the first electrode is light-reflective, and wherein the second electrode is light-transflective.
9. The organic light emitting diode display device of claim 6 , wherein the first electrode is light-reflective, and wherein the second electrode is light-transflective.
10. The organic light emitting diode display device of claim 5 , wherein the first electrode is light-reflective, and wherein the second electrode is light-transflective.
11. The organic light emitting diode display device of claim 4 , wherein the first electrode is light-reflective, and wherein the second electrode is light-transflective.
12. The organic light emitting diode display device of claim 3 , wherein the first electrode is light-reflective, and wherein the second electrode is light-transflective.
13. The organic light emitting diode display device of claim 2 , wherein the first electrode is light-reflective, and wherein the second electrode is light-transflective.
14. The organic light emitting diode display device of claim 1 , wherein the first electrode is light-reflective, and wherein the second electrode is light-transflective.