IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0540150
(2006-09-29)
|
등록번호 |
US-8569946
(2013-10-29)
|
우선권정보 |
KR-10-2006-0007890 (2006-01-25) |
발명자
/ 주소 |
- Song, Seung Yong
- Park, Jin Woo
- Choi, Young Seo
- Zu, Young Cheol
|
출원인 / 주소 |
- Samsung Display Co., Ltd.
|
대리인 / 주소 |
Knobbe Martens Olson & Bear LLP
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
6 |
초록
▼
An organic light emitting display device includes a first substrate including a pixel region in which at least one organic light emitting diode including a first electrode, an organic layer, and a second electrode is formed and a non-pixel region formed beside the pixel region. The device includes a
An organic light emitting display device includes a first substrate including a pixel region in which at least one organic light emitting diode including a first electrode, an organic layer, and a second electrode is formed and a non-pixel region formed beside the pixel region. The device includes a second substrate and a frit provided between the non-pixel region on the first substrate and the second substrate. A reflection prevention layer is formed on at least one surface of the second substrate.
대표청구항
▼
1. An organic light emitting display device, comprising: a first substrate comprising a single layer or multiple layers;a second substrate comprising a single layer or multiple layers, the second substrate comprising an inner surface facing the first substrate and an outer surface facing away from t
1. An organic light emitting display device, comprising: a first substrate comprising a single layer or multiple layers;a second substrate comprising a single layer or multiple layers, the second substrate comprising an inner surface facing the first substrate and an outer surface facing away from the first substrate;an array of organic light emitting pixels formed on the first substrate and interposed between the first and second substrates, the array comprising a top surface opposing the inner surface of the second substrate, wherein the top surface and the inner surface has a gap therebetween with a gap distance smaller than about 300 μm;a frit seal interconnecting the first and second substrates while surrounding the array, wherein the frit seal, the first substrate and the second substrate in combination define a sealed enclosed space in which the array is located such that the gap distance is smaller than about 300 μm; andan antireflection layer formed over at least one of the inner and outer surfaces of the second substrate, wherein the antireflection layer consists of a single layer of AlF3. 2. The device of claim 1, wherein the gap distance is smaller than about 100 μm. 3. The device of claim 1, wherein the gap distance is smaller than about 10 μm. 4. The device of claim 1, wherein the gap distance is from about 150 μm to about 3 μm. 5. The device of claim 1, wherein the antireflection layer forms on the outer surface of the second substrate. 6. The device of claim 1, wherein the antireflection layer forms on the inner surface of the second substrate. 7. The device of claim 1, wherein the array is configured to emit visible light through the top surface. 8. The device of claim 1, wherein the frit seal comprises one or more materials selected from the group consisting of magnesium oxide (MgO), calcium oxide (CaO), barium oxide (BaO), lithium oxide (Li2O), sodium oxide (Na2O), potassium oxide (K2O), boron oxide (B2O3), vanadium oxide (V2O5), zinc oxide (ZnO), tellurium oxide (TeO2), aluminum oxide (Al2O3), silicon dioxide (SiO2), lead oxide (PbO), tin oxide (SnO), phosphorous oxide (P2O5), ruthenium oxide (Ru2O), rubidium oxide (Rb2O), rhodium oxide (Rh2O), ferrite oxide (Fe2O3), copper oxide (CuO), titanium oxide (TiO2), tungsten oxide (WO3), bismuth oxide (Bi2O3), antimony oxide (Sb2O3), lead-borate glass, tin-phosphate glass, vanadate glass, and borosilicate. 9. A method of making an organic light emitting display device, the method comprising: providing an unfinished device comprising a first substrate and an array of organic light emitting pixels formed on the first substrate, the array comprising a top surface facing away from the first substrate;providing a second substrate and an antireflection layer, the second substrate comprises an inner surface and an outer surface, wherein the antireflection layer is formed on at least one of the inner and outer surfaces, and the antireflection layer consists of a single layer of AlF3;arranging the second substrate over the unfinished device such that the inner surface opposes the array and that the array is interposed between the first and second substrates, wherein the array and the inner surface forms a gap therebetween; andforming a frit seal between and interconnecting the first and second substrates while surrounding the array in an enclosed space such that the gap distance is smaller than about 300 μm. 10. The method of claim 9, wherein forming the fit seal comprises: interposing a fit material between the first and second substrate; andbonding the frit material to the first and second substrate so as to form a substantially hermetic seal. 11. The method of claim 9, wherein the frit seal has a height measured between the first and second substrate, wherein the height is from about 2 μm to about 30 μm. 12. The method of claim 9, wherein the gap distance is about 3 to about 150 μm. 13. The method of claim 9, wherein the gap distance is smaller than 10 μm. 14. The method of claim 9, wherein the organic light emitting device is configured to display an image on the outer surface substantially free of Newton's rings. 15. The method of claim 9, wherein the unfinished device further comprises a plurality of additional arrays of organic light emitting pixels formed on the first substrate, wherein the method further comprises forming a plurality of additional seals between and interconnecting the first and second substrates, wherein a first one of the additional seals surrounds a first one of the additional arrays. 16. The method of claim 15, wherein the first additional array and the second substrate forms a gap therebetween with a gap distance smaller than about 300 μm.
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