IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0097359
(2006-12-15)
|
등록번호 |
US-8487344
(2013-07-16)
|
우선권정보 |
KR-10-2005-0124258 (2005-12-16); KR-10-2005-0124260 (2005-12-16) |
국제출원번호 |
PCT/KR2006/005505
(2006-12-15)
|
§371/§102 date |
20080613
(20080613)
|
국제공개번호 |
WO2007/069871
(2007-06-21)
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발명자
/ 주소 |
|
출원인 / 주소 |
- Samsung Display Co., Ltd.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
1 |
초록
▼
Disclosed is an optical device including an optical member and a contact layer stacked on at least one of top and bottom surfaces of the optical member. The contact layer has at least one transparent conducting oxynitride (TCON) layer. The TCON consists of at least one of indium (In), tin (Sn), zinc
Disclosed is an optical device including an optical member and a contact layer stacked on at least one of top and bottom surfaces of the optical member. The contact layer has at least one transparent conducting oxynitride (TCON) layer. The TCON consists of at least one of indium (In), tin (Sn), zinc (Zn), cadmium (Cd), gallium (Ga), aluminum (Al), magnesium (Mg), titanium (Ti), molybdenum (Mo), nickel (Ni), copper (Cu), silver (Ag), gold (Au), platinum (Pt), rhodium (Rh), iridium (Ir), ruthenium (Ru), and palladium (Pd).
대표청구항
▼
1. An optical device comprising: an optical member;a contact layer including at least one transparent conducting oxynitride (TCON) layer stacked on at least one of top and bottom surfaces of the optical member, wherein the TCON comprises at least one selected from a group consisting of indium (In),
1. An optical device comprising: an optical member;a contact layer including at least one transparent conducting oxynitride (TCON) layer stacked on at least one of top and bottom surfaces of the optical member, wherein the TCON comprises at least one selected from a group consisting of indium (In), tin (Sn), zinc (Zn), cadmium (Cd), gallium (Ga), aluminum (Al), magnesium (Mg), titanium (Ti), molybdenum (Mo), nickel (Ni), copper (Cu), silver (Ag), gold (Au), platinum (Pt), rhodium (Rh), iridium (Ir), ruthenium (Ru), and palladium (Pd), which is combined with both oxygen (0) and nitrogen (N); andnanometer scale particles disposed on a surface of an n-type nitride cladding layer of the optical member and under the contact layer. 2. The optical device of claim 1, wherein the optical member further comprises a p-type nitride cladding layer, and an active layer interposed between the n-type nitride cladding layer and the p-type nitride cladding layer. 3. The optical device of claim 2, wherein the contact layer includes at least one of an n-type contact layer formed on the n-type nitride cladding layer and a p-type contact layer formed on the p-type nitride cladding layer. 4. The optical device of claim 1, wherein the TCON further comprises dopant to adjust electric characteristics and the dopant includes at least one selected from the group consisting of a metal, fluorine (F) and sulfur (S). 5. The optical device of claim 4, wherein the dopant is added to the TCON in a ratio of about 0.001 weight percent to about 20 weight percent. 6. The optical device of claim 1, wherein the metal includes at least one selected from a group consisting of platinum (Pt), palladium (Pd), nickel (Ni), gold (Au), rhodium (Rh), ruthenium (Ru), iridium (Ir), silver (Ag), zinc (Zn), magnesium (Mg), beryllium (Be), copper (Cu), cobalt (Co), tin (Sn), and rare earth metal, the conducting oxide includes at least one selected from a group consisting of nickel oxide (Ni——O), rhodium oxide (Rh——O), ruthenium oxide (Ru——O), iridium oxide (Ir——O), copper oxide (Cu——O), cobalt oxide (Co——O), tungsten oxide (W——0), or titanium oxide (Ti——O), the TCO includes at least one selected from a group consisting of indium oxide (In2O3), tin oxide (SnO2), zinc oxide (ZnO), magnesium oxide (MgO), cadmium oxide (CdO), magnesium zinc oxide (MgZnO), indium zinc oxide (InZnO), indium tin oxide (InSnO), copper aluminum oxide (CuAlO2), silver oxide (Ag2O), gallium oxide (Ga2O3), zinc tin oxide (ZnSnO), and zinc indium tin oxide (ZITO), and the TCN includes at least one selected from a group consisting of titanium nitride (TiN), chrome nitride (CrN), tungsten nitride (WN), tantalum nitride (TaN), or niobium nitride (NbN). 7. The optical device of claim 6, wherein the nano-scaled particles include at least one selected from the group consisting of metals, alloys/solid solution based on the metals, conducting oxide, transparent conducting oxide (TCO), and transparent conductive nitride (TCN). 8. The optical device of claim 1, further comprising a tunnel junction layer, which is interposed between the optical member and the contact layer and includes one selected from compounds expressed as AlaInbGacNxPyAsz (a, b, c, x, y and z are integers) consisting of III-V elements. 9. The optical device of claim 1, wherein the optical member is applied to any one of a light receiving device, a light emitting device, a light emitting diode, an organic light emitting diode (OLED), and a solar cell. 10. A method of fabricating an optical device, the method comprising: forming an optical member;forming a contact layer by stacking at least one transparent conducting oxynitride (TCON) layer on at least one of top and bottom surfaces of the optical member, wherein the TCON comprises at least one selected from a group consisting of indium (In), tin (Sn), zinc (Zn), cadmium (Cd), gallium (Ga), aluminum (Al), magnesium (Mg), titanium (Ti), molybdenum (Mo), nickel (Ni), copper (Cu), silver (Ag), gold (Au), platinum (Pt), rhodium (Rh), iridium (Ir), ruthenium (Ru), and palladium (Pd), which is combined with both oxygen (O) and nitrogen; anddisposing nanometer scale particles onto a surface of an n-type nitride cladding layer of the optical member and under the contact layer, wherein the nano-scaled particles include at least one selected from the group consisting of metals, alloys/solid solution based on the metals, conducting oxide, transparent conducting oxide (TCO), and transparent conductive nitride (TCN). 11. The method of claim 10, wherein the optical member comprises an n-type nitride cladding layer, a p-type nitride cladding layer, and an active layer interposed between the n-type nitride cladding layer and the p-type nitride cladding layer. 12. The method of claim 11, wherein the contact layer includes at least one of an n-type contact layer formed on the n-type nitride cladding layer and a p-type contact layer formed on the p-type nitride cladding layer. 13. The method of claim 10, wherein the TCON further comprises dopant to adjust electric characteristics and the dopant includes at least one selected from the group consisting of a metal, fluorine (F) and sulfur (S). 14. The method of claim 13, wherein the dopant is added to the TCON in a ratio of about 0.001 weight percent to 20 weight percent. 15. The method of claim 10, wherein the contact layer further comprises at least one selected from a group consisting of metals, alloys/solid solution based on the metals, conducting oxide, transparent conducting oxide (TCO), and transparent conductive nitride (TCN), which are combined with the TCON layer. 16. The method of claim 15, wherein the metal includes at least one selected from a group consisting of platinum (Pt), palladium (Pd), nickel (Ni), gold (Au), rhodium (Rh), ruthenium (Ru), iridium (Ir), silver (Ag), zinc (Zn), magnesium (Mg), beryllium (Be), copper (Cu), cobalt (Co), tin (Sn), and rare earth metal, the conducting oxide includes at least one selected from a group consisting of nickel oxide (Ni——O), rhodium oxide (Rh——O), ruthenium oxide (Ru——O), iridium oxide (Ir——O), copper oxide (Cu——O), cobalt oxide (Co——O), tungsten oxide (W——0), or titanium oxide (Ti——O), the TCO includes at least one selected from a group consisting of indium oxide (In2O3), tin oxide (SnO2), zinc oxide (ZnO), magnesium oxide (MgO), cadmium oxide (CdO), magnesium zinc oxide (MgZnO), indium zinc oxide (InZnO), indium tin oxide (InSnO), copper aluminum oxide (CuA1O2), silver oxide (Ag2O), gallium oxide (Ga2O3), zinc tin oxide (ZnSnO), and zinc indium tin oxide (ZITO), and the TCN includes at least one selected from a group consisting of titanium nitride (TiN), chrome nitride (CrN), tungsten nitride (WN), tantalum nitride (TaN), or niobium nitride (NbN). 17. The method of claim 16, wherein nano-scaled particles are introduced onto the nitride cladding layer so as to combine with the contact layer, and the nano-scaled particles include at least one selected from the group consisting of metals, alloys/solid solution based on the metals, conducting oxide, transparent conducting oxide (TCO), and transparent conductive nitride (TCN). 18. The method of claim 10, further comprising performing a heat process after forming a contact layer. 19. The method of claim 18, wherein the heat process is conducted for about 10 seconds to about 3 hours at a temperature from about 100° C. to about 800° C. under a gas atmosphere including at least one selected from a group consisting of nitrogen (N2), oxygen (O2), hydrogen (H2), argon (Ar), helium (He) and air. 20. The optical device of claim 1, wherein the contact layer further comprises at least one selected from a group consisting of metals, alloys/solid solution based on the metals, conducting oxide, transparent conducting oxide (TCO), and transparent conductive nitride (TCN), which are combined with the TCON layer.
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