KR101163719B1 - 발광 디바이스 및 발광 디바이스에 대한 투명 렌즈 접착방법 - Google Patents
발광 디바이스 및 발광 디바이스에 대한 투명 렌즈 접착방법 Download PDFInfo
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- KR101163719B1 KR101163719B1 KR1020010055273A KR20010055273A KR101163719B1 KR 101163719 B1 KR101163719 B1 KR 101163719B1 KR 1020010055273 A KR1020010055273 A KR 1020010055273A KR 20010055273 A KR20010055273 A KR 20010055273A KR 101163719 B1 KR101163719 B1 KR 101163719B1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/855—Optical field-shaping means, e.g. lenses
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
- H10H20/036—Manufacture or treatment of packages
- H10H20/0363—Manufacture or treatment of packages of optical field-shaping means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/851—Wavelength conversion means
- H10H20/8514—Wavelength conversion means characterised by their shape, e.g. plate or foil
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Abstract
Description
Claims (19)
- 액티브 영역을 포함하는 반도체층을 포함하는 층의 스택(a stack of layers)과,상기 스택과의 사이에 배치되는 경계면에서 작용되는 접착(bond)에 의해 상기 스택에 부착되는 투명 렌즈(transparent lens)와,상기 렌즈와 상기 스택의 표면 사이에 배치되며 상기 렌즈를 상기 스택에 접착하는 투명 접착층을 포함하되, 상기 투명 접착층은 상기 액티브 영역에 의해 방출되는 광에 대하여 1.5보다 큰 굴절률을 갖는 광학 유리인발광 디바이스.
- 제 1 항에 있어서,상기 렌즈의 일 형상(a shape of said lens)은 바이어슈트라스 구(Weierstrass sphere), 반구, 반구보다 작은 구의 일부, 타원 및 타원의 일부로 이루어진 그룹으로부터 선택되는발광 디바이스.
- 제 1 항에 있어서,상기 렌즈는 프레넬 렌즈(Fresnel lens)인발광 디바이스.
- 제 1 항에 있어서,상기 렌즈는 구배형 굴절률 렌즈(a graded index lens)인발광 디바이스.
- 제 1 항에 있어서,상기 렌즈는 광학 유리(optical glass), Ⅲ족-Ⅴ족 반도체, Ⅱ족-Ⅵ족 반도체, Ⅳ족 반도체와 화합물(compounds), 금속 산화물(metal oxides), 금속 플루오르화물(metal fluorides), 다이아몬드(diamonds), 이트륨 알루미늄 가닛(yttrium aluminum garnet) 및 이들의 조합(combinations)으로 이루어진 그룹으로부터 선택된 하나의 재료로 형성되는발광 디바이스.
- 제 1 항에 있어서,상기 렌즈는 지르코늄 산화물(zirconium oxide), 사파이어(sapphire), GaP, ZnS 및 SiC로 이루어진 그룹으로부터 선택된 하나의 재료로 형성되는발광 디바이스.
- 제 1 항에 있어서,상기 렌즈는 상기 액티브 영역에 의해 방출되는 파장의 광을 적어도 다른 파장으로 변환하는 하나 이상의 발광 재료를 포함하는발광 디바이스.
- 제 1 항에 있어서,상기 렌즈는 상기 액티브 영역에 의해 방출되는 파장의 광을 적어도 다른 파장으로 변환하는 하나 이상의 발광 재료로 코팅되는발광 디바이스.
- 제 1 항에 있어서,상기 스택은 LED 다이가 접착되는 상기 렌즈의 표면의 리세스(a recess) 내에 위치하는발광 디바이스.
- 제 1 항에 있어서,상기 액티브 영역에 의해 방출되는 광에 대한 상기 렌즈의 굴절률은 1.5보다 큰발광 디바이스.
- 제 1 항에 있어서,상기 렌즈의 굴절률은 상기 액티브 영역에 의해 방출되는 광에 대한 상기 반도체층의 굴절률 이상인발광 디바이스.
- 제 1 항에 있어서,상기 액티브 영역으로부터 방출된 광을 상기 렌즈 방향으로 반사하도록 위치한 적어도 하나의 경사면을 더 포함하는발광 디바이스.
- 제 1 항에 있어서,상기 액티브 영역으로부터 방출된 광을 상기 렌즈 방향으로 반사하도록 위치한 적어도 하나의 고 반사층(at least one layer highly reflective)을 더 포함하는발광 디바이스.
- 제 1 항에 있어서,상기 스택은 상기 반도체층 위에 위치하고 상기 렌즈에 직접 접착되는 투명 수퍼스트레이트층(transparent superstrate layer)을 포함하는발광 디바이스.
- 삭제
- 삭제
- 액티브 영역을 포함하는 반도체층을 포함하는 층의 스택을 갖는 발광 디바이스에 투명 렌즈를 접착하는 방법에 있어서,상기 렌즈 및 상기 스택의 온도를 상승시키는 단계와,상기 렌즈 및 상기 스택에 함께 압력을 가하여 상기 렌즈를 상기 스택에 접착하는 단계를 포함하며,상기 렌즈를 상기 스택에 접착하는 단계는 투명 접착층에 의해 행해지며, 상기 투명 접착층은 상기 액티브 영역에 의해 방출되는 광에 대하여 1.5보다 큰 굴절률을 갖는 광학 유리인투명 렌즈 접착 방법.
- 제 17 항에 있어서,상기 온도는 500℃ 미만까지 상승되는투명 렌즈 접착 방법.
- 제 17 항에 있어서,상기 렌즈와 상기 스택 사이에 Zn 또는 Si를 도핑하는 단계를 더 포함하는투명 렌즈 접착 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/660,317 US7053419B1 (en) | 2000-09-12 | 2000-09-12 | Light emitting diodes with improved light extraction efficiency |
US09/660,317 | 2000-09-12 |
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KR1020110123498A Division KR101199264B1 (ko) | 2000-09-12 | 2011-11-24 | 발광 디바이스 및 발광 디바이스에 대한 투명 렌즈 접착 방법 |
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KR20020021014A KR20020021014A (ko) | 2002-03-18 |
KR101163719B1 true KR101163719B1 (ko) | 2012-07-09 |
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EP (1) | EP1191608B1 (ko) |
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Also Published As
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EP1191608A2 (en) | 2002-03-27 |
EP1191608B1 (en) | 2019-04-10 |
JP2002176200A (ja) | 2002-06-21 |
EP1191608A3 (en) | 2009-04-22 |
KR20020021014A (ko) | 2002-03-18 |
KR101199264B1 (ko) | 2012-11-09 |
KR20110135380A (ko) | 2011-12-16 |
US7053419B1 (en) | 2006-05-30 |
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