KR102611981B1 - 발광 장치 및 그 제조 방법 - Google Patents
발광 장치 및 그 제조 방법 Download PDFInfo
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- KR102611981B1 KR102611981B1 KR1020170135872A KR20170135872A KR102611981B1 KR 102611981 B1 KR102611981 B1 KR 102611981B1 KR 1020170135872 A KR1020170135872 A KR 1020170135872A KR 20170135872 A KR20170135872 A KR 20170135872A KR 102611981 B1 KR102611981 B1 KR 102611981B1
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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
- H10H20/81—Bodies
- H10H20/8215—Bodies characterised by crystalline imperfections, e.g. dislocations; characterised by the distribution of dopants, e.g. delta-doping
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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
- H10H20/81—Bodies
- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
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- 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
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/013—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials
- H10H20/0137—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials the light-emitting regions comprising nitride materials
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- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/018—Bonding of wafers
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- H—ELECTRICITY
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- 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
- H10H20/811—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions
- H10H20/812—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions within the light-emitting regions, e.g. having quantum confinement structures
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
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- H10H20/80—Constructional details
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- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
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- H10H20/80—Constructional details
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- H10H20/822—Materials of the light-emitting regions
- H10H20/824—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP
- H10H20/825—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP containing nitrogen, e.g. GaN
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- H10H20/80—Constructional details
- H10H20/81—Bodies
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Abstract
Description
도 1a 및 1b는 일부 실시예들에 따른 발광 장치를 효과를 설명하기 위한 그래프들이다.
도 3a 내지 3c는 일부 실시예들에 따른 발광 장치의 제조 방법을 설명하기 위한 순서도들이다.
도 4a 내지 도 4h는 일부 실시예들에 따른 발광 장치의 제조 방법을 설명하기 위한 단면도들이이다.
도 5a 및 5b는 일부 실시예들에 따른 발광 장치의 제조방법의 효과를 설명하기 위한 그래프이다.
도 6a 내지 도 6c는 일부 실시예들에 따른 발광 장치의 제조방법을 설명하기 위한 단면도들이다.
도 7 및 도 8은 일부 실시예들에 따른 발광 장치를 포함하는 발광 장치 패키지를 설명하기 위한 단면도들이다.
도 9은 일부 실시예에 따른 발광 장치를 포함하는 백라이트 유닛을 설명하기 위한 사시도이다.
도 10은 일부 실시예에 따른 발광 장치를 포함하는 디스플레이 장치를 설명하기 위한 분해 사시도이다.
140: 발광 구조물, 141: 제1 도전형 반도체층, 143: 활성층
145: 제2 도전형 반도체층, 150: 오믹 콘택층, 160A,b:전극층
Claims (10)
- 기판 상에 순차적으로 배치된 제1 도전형 질화물 반도체층, 활성층 및 제2 도전형 질화물 반도체층을 포함하는 발광 구조물;
상기 기판과 상기 발광 구조 사이에 배치된 버퍼층; 및
상기 버퍼층과 상기 발광 구조물 사이에 배치되고, 복수개의 개구를 포함하는 마스크 층을 포함하되,
상기 버퍼층은 상기 발광 구조물과 인접한 표면으로부터 상기 버퍼층의 내부로 수직적으로 함입되고 서로 다른 수평 단면적을 갖는 복수개의 보이드들을 포함하는 것을 특징으로 하는 발광 장치. - 제1항에 있어서,
상기 복수개의 보이드들의 높이는 서로 다른 것을 특징으로 하는 발광 장치. - 제1항에 있어서,
상기 복수개의 보이드들의 높이는 서로 실질적으로 동일한 것을 특징으로 하는 발광 장치. - 제3항에 있어서,
상기 버퍼층은 제1 및 제2 질화물 반도체 층 및 상기 제1 및 제2 질화물 반도체층 사이에 배치된 식각 정지층을 포함하는 것을 특징으로 하는 발광 장치. - 제4항에 있어서,
상기 식각 정지층은 알루미늄을 포함하는 것을 특징으로 하는 발광 장치. - 제1항에 있어서,
상기 복수개의 보이드들의 높이는 상기 버퍼층의 수직 길이보다 더 작은 것을 특징으로 하는 발광 장치. - 삭제
- 제1항에 있어서,
상기 복수개의 개구의 수평 단면은 원형인 것을 특징으로 하는 발광 장치. - 기판 상에 순차적으로 배치된 제1 도전형 질화물 반도체층, 활성층 및 제2 도전형 질화물 반도체층을 포함하는 발광 구조물;
상기 기판과 상기 발광 구조물 사이에 배치된 버퍼층; 및
상기 버퍼층과 상기 발광 구조물 사이에 배치되고, 복수개의 개구들을 포함하는 마스크 층을 포함하고,
상기 버퍼층은 상기 발광 구조물과 인접한 표면으로부터 수직적으로 함입된 복수개의 보이드들을 포함하고, 상기 복수개의 개구들은 수평 단면은 원형인 것을 특징으로 하는 발광 장치. - 제9항에 있어서,
상기 복수개의 개구들의 최대 수평 단면적은 상기 복수개의 보이드들의 수평 단면적보다 더 작은 것을 특징으로 하는 발광 장치.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
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| KR1020170135872A KR102611981B1 (ko) | 2017-10-19 | 2017-10-19 | 발광 장치 및 그 제조 방법 |
| US15/906,539 US10497828B2 (en) | 2017-10-19 | 2018-02-27 | Light-emitting devices and methods of manufacturing the same |
| CN201811221447.6A CN109686825B (zh) | 2017-10-19 | 2018-10-19 | 发光装置及其制造方法 |
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| KR20190043851A KR20190043851A (ko) | 2019-04-29 |
| KR102611981B1 true KR102611981B1 (ko) | 2023-12-11 |
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| CN111864019B (zh) * | 2020-07-10 | 2021-11-30 | 武汉大学 | 一种具有嵌入式散射层的倒装发光二极管及其制备方法 |
| CN114203535B (zh) * | 2021-12-09 | 2023-01-31 | 北京镓纳光电科技有限公司 | 高质量氮化铝模板及其制备方法和应用 |
| US12324285B2 (en) * | 2022-04-04 | 2025-06-03 | Tectus Corporation | Ultra-dense array of LEDs with ruthenium mirrors |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040021147A1 (en) * | 2002-05-15 | 2004-02-05 | Akihiko Ishibashi | Semiconductor light emitting device and fabrication method thereof |
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| US6372608B1 (en) | 1996-08-27 | 2002-04-16 | Seiko Epson Corporation | Separating method, method for transferring thin film device, thin film device, thin film integrated circuit device, and liquid crystal display device manufactured by using the transferring method |
| USRE38466E1 (en) | 1996-11-12 | 2004-03-16 | Seiko Epson Corporation | Manufacturing method of active matrix substrate, active matrix substrate and liquid crystal display device |
| US7208725B2 (en) | 1998-11-25 | 2007-04-24 | Rohm And Haas Electronic Materials Llc | Optoelectronic component with encapsulant |
| JP3906654B2 (ja) | 2000-07-18 | 2007-04-18 | ソニー株式会社 | 半導体発光素子及び半導体発光装置 |
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| US20190123237A1 (en) | 2019-04-25 |
| CN109686825A (zh) | 2019-04-26 |
| CN109686825B (zh) | 2023-11-24 |
| US10497828B2 (en) | 2019-12-03 |
| KR20190043851A (ko) | 2019-04-29 |
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