KR102163642B1 - 파장-변환 재료를 포함하는 발광 다이 및 관련된 방법 - Google Patents
파장-변환 재료를 포함하는 발광 다이 및 관련된 방법 Download PDFInfo
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- KR102163642B1 KR102163642B1 KR1020197021440A KR20197021440A KR102163642B1 KR 102163642 B1 KR102163642 B1 KR 102163642B1 KR 1020197021440 A KR1020197021440 A KR 1020197021440A KR 20197021440 A KR20197021440 A KR 20197021440A KR 102163642 B1 KR102163642 B1 KR 102163642B1
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Abstract
Description
도 1은 예시의 LED 및 형광체의 방출 및 여기 스펙트럼의 그래프이다;
도 2a 및 도 2b는, 각각, 본 발명의 다양한 실시예에 따른 백색 다이의 단면 및 하부 개략도이다;
도 3은 본 발명의 다양한 실시예에 따른 백색 다이를 형성하기 위한 기술의 플로차트이다;
도 4a 내지 도 4e는 본 발명의 다양한 실시예에 따른 백색 다이를 제작하는데 이용되는 프로세스 단계들의 단면 개략도이다;
도 5는 본 발명의 다양한 실시예에 따른 백색 다이의 단면 개략도이다;
도 6은 본 발명의 다양한 실시예에 따른 유사한 특성을 갖는 빈닝된(binned) 백색 다이들을 제작하기 위한 기술의 플로차트이다;
도 7은 본 발명의 다양한 실시예에 따른 유사한 특성을 갖는 빈닝된 백색 다이들의 개략적 도면이다;
도 8a 내지 도 8d는 본 발명의 다양한 실시예에 따른 백색 다이를 제조하는데 이용되는 프로세스 단계들의 단면 개략도이다;
도 9a 내지 도 9f는 본 발명의 다양한 실시예에 따른 다양한 제작 단계들에서의 백색 다이의 단면 개략도이다;
도 10a 내지 도 10d와 도 11은 본 발명의 다양한 실시예에 따른 백색 다이를 제작하는데 이용되는 프로세스 단계들의 단면 개략도이다;
도 12a 내지 도 12f는 본 발명의 다양한 실시예에 따른 백색 다이의 단면 개략도이다;
도 13a 내지 도 13f는 본 발명의 다양한 실시예에 따른 백색 다이를 제작하는데 이용되는 프로세스 단계들의 단면 개략도이다;
도 14a 내지 도 14c는 본 발명의 다양한 실시예에 따른 백색 다이의 단면 개략도이다;
도 15a 내지 도 15e는 본 발명의 다양한 실시예에 따른 백색 다이를 제작하는데 이용되는 프로세스 단계들의 단면 개략도이다;
도 15f 내지 도 15g는 본 발명의 다양한 실시예에 따른 백색 다이의 단면 개략도이다;
도 16a 내지 도 16c는 본 발명의 다양한 실시예에 따른 백색 다이의 개략적 단면도(도 16a) 및 개략적 하부도(도 16b 및 도 16c)이다;
도 17a 및 도 17b는, 각각, 본 발명의 다양한 실시예에 따른 백색 다이에서 이용되는 발광 소자의 단면 개략도 및 평면 개략도이다;
도 17c는 본 발명의 다양한 실시예에 따른 백색 다이에서 이용되는 발광 소자의 단면 개략도이다;
도 18은 도 17a 및 도 17b의 발광 소자를 포함하는 백색 다이의 단면 개략도이다;
도 19는 본 발명의 다양한 실시예에 따른 색도도(chromaticity diagram)이다;
도 20은 본 발명의 다양한 실시예에 따른 피드백-제어형 형광체 분배 시스템의 단면 개략도이다;
도 21 및 도 22는 본 발명의 다양한 실시예에 따른 평면 백색 다이의 제작을 위한 수평화 시스템의 단면 개략도이다;
도 23a 및 도 23b는 본 발명의 다양한 실시예에 따른 백색 다이의 단면 개략도이다;
도 24a 내지 도 24c는 본 발명의 다양한 실시예에 따른 백색 다이를 제작하는데 이용되는 프로세스 단계들의 단면 개략도이다;
도 25 및 도 26은 본 발명의 다양한 실시예에 따른 백색 다이의 단면 개략도이다;
도 27은 본 발명의 다양한 실시예에 따른 백색 다이를 이용하는 조명 시스템의 단면 개략도이다;
도 28은 본 발명의 다양한 실시예에 따른 백색 다이를 이용하는 조명 시스템의 평면 개략도이다;
도 29는 본 발명의 다양한 실시예에 따른 백색 다이를 제작하는데 이용되는 기울어진 몰드(tilted mold)의 단면 개략도이다;
도 30은 본 발명의 다양한 실시예에 따른 피드백-기반의 제어에 의한 형광체의 상이한 두께를 갖는 백색 다이를 제작하기 위한 시스템의 단면 개략도이다;
도 31a 내지 도 31c는 본 발명의 다양한 실시예에 따른 형광체로의 감소된 접착럭을 위해 기판의 부분들을 처리하는데 이용되는 프로세스 단계들의 단면 개략도이다;
도 32a 및 도 32b는 본 발명의 다양한 실시예에 따른 백색 다이를 제작하는데 이용되는 프로세스 단계들의 단면 개략도이다;
도 33a 및 도 33c는 본 발명의 다양한 실시예에 따른 이형 재료(release materials)를 이용한 백색 다이의 제조 동안에 형성된 구조들의 단면 개략도이다;
도 33b 및 도 33d는, 각각, 도 33a 및 도 33c의 구조들로부터 제작된 백색 다이의 단면 개략도이다;
도 34는 본 발명의 다양한 실시예에 따른 상이한 접착 레벨을 갖는 재료로 구성된 기판 상의 발광 소자들의 단면 개략도이다;
도 35a 및 도 35b는 본 발명의 다양한 실시예에 따른 압축가능한 기판들 상에 배치된 발광 소자들의 단면 개략도이다;
도 36은 본 발명의 다양한 실시예에 따른 발광 소자들을 병합한 백색 다이의 다이 기복(die relief)을 제어하기 위해 패터닝된 기판 상의 발광 소자들의 단면 개략도이다;
도 37 및 도 38은 본 발명의 다양한 실시예에 따른 진공의 인가를 위한 관통홀(through-hole)을 갖는 기판 상의 발광 소자들의 단면 개략도이다;
도 39a 및 도 39b는 본 발명의 다양한 실시예에 따른 백색 다이의 단면 개략도이다;
도 40a 내지 도 40d는 본 발명의 다양한 실시예에 따른 백색 다이를 제작하는데 이용되는 프로세스 단계들의 단면 개략도이다;
도 40e 및 도 40f는 본 발명의 다양한 실시예에 따른 각각이 복수의 발광 소자들을 포함하고 있는 백색 다이들의 단면 개략도이다;
도 41a 및 도 41b는 본 발명의 다양한 실시예에 따른 성형된 블레이드(shaped blade)로 제작된 백색 다이의 단면 개략도이다;
도 42a 내지 도 42d는 본 발명의 다양한 실시예에 따른 백색 다이의 단면 개략도이다;
도 43은 본 발명의 다양한 실시예에 따른 반사층을 포함하는 백색 다이의 단면 개략도이다;
도 44는 본 발명의 다양한 실시예에 따른 도 43의 백색 다이를 제조하는데 이용되는 처리 단계의 단면 개략도이다;
도 45a 내지 도 45c는 본 발명의 다양한 실시예에 따른 반사 필름을 갖춘 백색 다이를 제작하는데 이용되는 프로세스 단계들의 단면 개략도이다;
도 46a 내지 도 46c는 본 발명의 다양한 실시예에 따른 광학 소자를 포함하는 백색 다이의 단면 개략도이다;
도 47a 및 도 47b는 본 발명의 다양한 실시예에 따른 도 46a를 위한 백색 다이를 제작하는데 이용되는 프로세스 단계들의 단면 개략도이다;
도 48은 본 발명의 실시예에 따른 백색 다이들의 백색 웨이퍼에 광학 소자를 결합하는데 이용되는 처리 단계의 단면 개략도이다;
도 49a 내지 도 49e는 본 발명의 다양한 실시예에 따른 클리어 다이(clear die)의 단면 개략도이다;
도 50 및 도 51은 본 발명의 다양한 실시예에 따른 백색 다이 및 광학 소자들을 포함하는 조명 장치의 단면 개략도이다;
도 52 및 도 53은 도 51의 조명 장치의 컴포넌트들의 단면 개략도이다;
도 54는 본 발명의 다양한 실시예에 따른 백색 다이 및 광학 소자를 포함하는 조명 장치의 단면 개략도이다;
도 55는 도 54의 조명 장치의 컴포넌트의 단면 개략도이다;
도 56은 본 발명의 다양한 실시예에 따른 조명 장치에서 이용되는 렌즈(optic)의 단면 개략도이다;
도 57은 본 발명의 다양한 실시예에 따른 도 56의 렌즈를 포함하는 조명 장치의 단면 개략도이다;
도 58a 내지 도 58c는 본 발명의 다양한 실시예에 따른 광-검출 장치의 단면 개략도이다;
도 59a 및 도 59b는 본 발명의 다양한 실시예에 따른 광기전 장치의 단면 개략도이다;
도 60a 내지 도 60e는 본 발명의 다양한 실시예에 따른 전자 장치의 단면 개략도이다;
도 61 및 도 62는 본 발명의 다양한 실시예에 따른 복수의 장치를 포함하는 팩키징된 시스템의 단면 개략도이다.
Claims (10)
- 서로 상이한 활성 반도체층으로 구성되고, 제1 면, 상기 제1 면과 반대편인 제2 면 및 상기 제1 면과 상기 제2 면에 걸쳐있는 측벽을 포함하는 반도체 다이(5810);
저면(底面)을 구비하고, 상기 제2 면 및 상기 측벽을 덮으며, 파장 변환 재료를 포함하여 상기 반도체 다이로부터 방출된 광선을 흡수하고, 상기 광선과 상이한 파장을 갖는 변환된 광을 방출하는 중합체 바인더(5820);
상기 반도체 다이의 상기 제1 면에 설치되고, 종단을 구비하며, 각 종단은 상기 중합체 바인더에 의해 덮이지 않고, 상기 반도체 다이의 서로 다른 활성 반도체층에 각각 접촉하는, 이격된 제1 컨택트(220) 및 제2 컨택트(220);및
복수의 점퍼(5710)를 포함하고,
각 상기 점퍼(5710)는 상기 저면과 접촉하는 상부 표면 및 상기 상부 표면과 마주하는 하부 표면을 포함하고, 상기 하부 표면은 요철 표면이고, 각 상기 점퍼(5710)는 상기 반도체 다이(5810)의 일부, 상기 제1 면 및 상기 중합체 바인더(5820) 상을 피복하고 각 상기 점퍼(5710)는 상기 제1 컨택트(220) 및 상기 제2 컨택트(220) 상을 각각 피복하고,
렌즈(5010)를 더 포함하고, 상기 렌즈(5010)는 오목부(5100)를 포함하고, 상기 중합체 바인더(5820) 및 상기 반도체 다이(5810)는 상기 오목부(5100) 내에 설치되고,
제1 도전성 트레이스(2730) 및 제2 도전성 트레이스(2730)를 더 포함하고, 상기 제2 도전성 트레이스(2730)와 상기 제1 도전성 트레이스(2730)는 상기 렌즈(5010)에 이격되어 설치되고, 각 상기 상부 표면은 상기 저면, 상기 일부 상기 제1 면, 상기 제1 도전성 트레이스(2730) 및 상기 제1 컨택트(220)를 접촉하거나, 또는 상기 저면, 일부 상기 제1 면, 상기 제2 도전성 트레이스(2730) 및 상기 제2 컨택트(220)를 접촉하고; 상기 제1 도전성 트레이스(2730), 상기 제2 도전성 트레이스(2730)는 각각 각 상기 점퍼(5710)를 통해 상기 제1 컨택트(220), 상기 제2 컨택트(220)에 전기적으로 결합되는,
전자 장치. - 제1항에 있어서,
상기 점퍼(5710)의 두께는 50nm 내지 100nm의 범위 내에 있는, 전자 장치. - 제1항에 있어서,
각 상기 점퍼(5710)는 알루미늄, 금, 은, 백금, 구리, 탄소, 도전성 산화물 중의 적어도 하나를 포함하는, 전자 장치. - 제1항에 있어서,
상기 파장 변환 재료는 형광체 또는 양자점 중 적어도 하나를 포함하는, 전자 장치. - 제1항에 있어서,
상기 반도체 다이의 상기 활성 반도체층은 반도체 기판에 설치되지 않는, 전자 장치. - 제1항에 있어서,
상기 중합체 바인더의 두께는 5μm 내지 4000μm 사이인, 전자 장치. - 제1항에 있어서,
상기 중합체 바인더에 형광체가 첨가되어 있는, 전자 장치. - 제1항에 있어서,
상기 중합체 바인더는 실리콘 또는 에폭시 중 적어도 하나를 포함하는, 전자 장치. - 삭제
- 삭제
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| PCT/US2013/022899 WO2013112691A2 (en) | 2012-01-24 | 2013-01-24 | Light-emitting dies incorporating wavelength-conversion materials and related methods |
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| US20140227812A1 (en) | 2014-08-14 |
| US9276178B2 (en) | 2016-03-01 |
| EP2807673A2 (en) | 2014-12-03 |
| US20150162504A1 (en) | 2015-06-11 |
| CN104380464A (zh) | 2015-02-25 |
| US8629475B2 (en) | 2014-01-14 |
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| US20130187174A1 (en) | 2013-07-25 |
| US20140246747A1 (en) | 2014-09-04 |
| KR20190090051A (ko) | 2019-07-31 |
| WO2013112691A2 (en) | 2013-08-01 |
| US9184351B2 (en) | 2015-11-10 |
| KR20140135166A (ko) | 2014-11-25 |
| US20140203308A1 (en) | 2014-07-24 |
| JP2015506591A (ja) | 2015-03-02 |
| US9478715B2 (en) | 2016-10-25 |
| US8680558B1 (en) | 2014-03-25 |
| US20150075607A1 (en) | 2015-03-19 |
| US20140077686A1 (en) | 2014-03-20 |
| KR102004406B1 (ko) | 2019-07-26 |
| US20130187540A1 (en) | 2013-07-25 |
| WO2013112435A1 (en) | 2013-08-01 |
| US20140061705A1 (en) | 2014-03-06 |
| US8748929B2 (en) | 2014-06-10 |
| US8785960B1 (en) | 2014-07-22 |
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