Organic light emitting device with transflective members
View Patent ↗An organic light emitting device includes a substrate including a first region, a second region, a third region, and a fourth region, a thin film structure formed on the substrate, first, second, and third color filters formed on the thin film structure, and respectively disposed in the first, second, and third regions, an insulating layer formed on the first to third color filters and the thin film structure, first, second, third, and fourth translucent members formed on the insulating layer, and respectively disposed in the first, second, third, and fourth regions, first, second, third, and fourth pixel electrodes respectively formed on the first, second, third, and fourth translucent members, an organic light emitting member for emitting white light formed on the first to fourth pixel electrodes; and a common electrode formed on the organic light emitting member.
1. An organic light emitting device comprising:
a substrate comprising a first region, a second region, a third region, and a fourth region;
a thin film structure disposed on the substrate;
first, second, and third color filters disposed on the thin film structure, and respectively disposed in the first, second, and third regions;
an insulating layer disposed on the first to third color filters and the thin film structure;
first, second, third, and fourth transflective members disposed on the insulating layer, and respectively disposed in the first, second, third, and fourth regions;
first, second, third, and fourth pixel electrodes respectively disposed on the first, second, third, and fourth transflective members;
an organic light emitting member emitting white light disposed on the first to fourth pixel electrodes; and
a common electrode disposed on the organic light emitting member.
2. The organic light emitting device of claim 1 , wherein
each thickness between the upper surface of the first, second and third transflective members and the lower surface of the common electrode is substantially the same.
3. The organic light emitting device of claim 2 , wherein
each thickness between the upper surface of the first to fourth transflective members and the lower surface of the common electrode is substantially the same.
4. The organic light emitting device of claim 3 , wherein
each thickness between the upper surface of the first, second, third, and fourth transflective members and the lower surface of the common electrode is in the range of 6100 Åto about 6700 Å.
5. The organic light emitting device of claim 1 , wherein
the first, second, third, and fourth transflective members comprise silver, aluminum, or magnesium.
6. The organic light emitting device of claim 1 , wherein
the insulating layer comprises an organic material.
7. The organic light emitting device of claim 6 , wherein
at least one of the first, second, third, or fourth transflective members comprises a dual-layer structure.
8. The organic light emitting device of claim 7 , wherein
a lower layer of the dual-layer structure comprises ITO or IZO, and an upper layer of the dual-layer structure comprises silver, aluminum, or magnesium.
9. The organic light emitting device of claim 1 , wherein
the insulating layer comprises an inorganic material.
10. The organic light emitting device of claim 9 , wherein
the insulating layer comprises silicon oxide or silicon nitride.
11. An organic light emitting device comprising:
a thin film structure disposed on a substrate;
an insulating layer disposed on the thin film structure;
a first transflective member disposed on the insulating layer;
a first pixel electrode disposed on the first transflective member;
an organic light emitting member disposed on the first pixel electrode; and
a common electrode disposed on the organic light emitting member,
wherein a thickness between an upper surface of the transflective member and a lower surface of the common electrode is in range of about 6100 Åto about 6700 Å.
12. The organic light emitting device of claim 11 , wherein
the first transflective member comprises silver, aluminum, or magnesium.
13. The organic light emitting device of claim 11 , wherein
the insulating layer comprises an organic material.
14. The organic light emitting device of claim 13 , wherein
the first transflective member comprises a dual-layer structure.
15. The organic light emitting device of claim 14 , wherein
a lower layer of the first transflective member comprises ITO or IZO, and an upper layer of the first transflective member comprises silver, aluminum, or magnesium.
16. The organic light emitting device of claim 11 , wherein
the insulating layer comprises an inorganic material.
17. The organic light emitting device of claim 16 , wherein
the insulating layer comprises silicon oxide or silicon nitride.
18. The organic light emitting device of claim 11 , further comprising:
a color filter disposed between the thin film structure and the insulating layer;
a second transflective member disposed on the color filter; and
a second pixel electrode disposed on the second transflective member,
wherein the thickness between the upper surface of the second transflective member and the lower surface of the common electrode is in the range of about 6100 Åto about 6700 Å.
19. The organic light emitting device of claim 18 , wherein
the second transflective member comprises silver, aluminum, or magnesium.
20. The organic light emitting device of claim 19 , wherein
the second transflective member comprises a dual-layer structure,
a lower layer of the second transflective member comprises ITO or IZO, and
an upper layer comprises silver, aluminum, or magnesium.
21. The organic light emitting device of claim 18 , wherein
the color filter comprises at least one of red, green, or blue color filter.