KR102737501B1 - Led장치 및 이를 이용한 led램프 - Google Patents
Led장치 및 이를 이용한 led램프 Download PDFInfo
- Publication number
- KR102737501B1 KR102737501B1 KR1020170013794A KR20170013794A KR102737501B1 KR 102737501 B1 KR102737501 B1 KR 102737501B1 KR 1020170013794 A KR1020170013794 A KR 1020170013794A KR 20170013794 A KR20170013794 A KR 20170013794A KR 102737501 B1 KR102737501 B1 KR 102737501B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- transparent substrate
- emitting diode
- layer
- led
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10H20/00
- H01L25/0753—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10H20/00 the devices being arranged next to each other
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- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1204—Optical Diode
- H01L2924/12041—LED
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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
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- H10H20/857—Interconnections, e.g. lead-frames, bond wires or solder balls
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Abstract
Description
도 2는 도 1의 I방향에서 본 도면이다.
도 3은 도 1의 LED장치의 측단면도이다.
도 4(a)는 도 2의 Ⅱ부분의 확대도이다.
도 4(b)는 도 2의 발광 다이오드 칩의 확대도이다.
도 5(a)는 도 2의 Ⅲ-Ⅲ'방향에서 본 측단면도이다.
도 5(b)는 도 2의 발광 다이오드 칩의 확대도이다.
도 6(a) 내지 도 6(d)는 도 5의 변형예이다.
도 7은 본 발명의 일 실시예와 비교예의 광량을 비교한 도면이다.
도 8(a) 및 도 8(b)는 본 발명의 다른 실시예의 LED램프이다.
100: LED장치
110, 1110, 2110, 3110, 4110: 투명기판
110a: 제1 면
110b: 제2 면
120, 1120, 2120, 3120, 4120: 발광 다이오드 칩
121: 기판
122: 발광 적층체
122a: 제1 도전형 반도체층
122b: 활성층
122c: 제2 도전형 반도체층
123: 오믹콘택층
124: 제1 전극
125: 제2 전극
130: 반사층
140: 접착층
150: 와이어
160, 1160, 2160, 3160, 4160: 파장변환부
160a, 1160a, 3160a, 4160a: 전면
160b, 1160b, 3160b, 4160b: 후면
170a: 제1 접속단자
170b: 제2 접속단자
171: 걸림홈
200: 램프커버
300: 지주
400: 프레임
410a: 제1 전극 프레임
410b: 제2 전극 프레임
420: 연결 프레임
500a: 제1 전선
500b: 제2 전선
600: 소켓
700: 전원부
2161, 3161: 투명층
2162, 3162: 파장변환층
Claims (10)
- 제1 면 및 이에 대향하는 제2 면을 갖는 바(bar) 형상 투명기판;
상기 투명기판의 제1 면 상에 실장되고, 서로 전기적으로 연결되며, 각각 상기 투명기판에 실장되는 면에 장착된 반사층을 갖는 복수의 발광 다이오드 칩;
상기 투명기판의 일단에 배치되며 상기 복수의 발광 다이오드 칩에 전기적으로 접속된 제1 및 제2 접속단자;
상기 발광 다이오드 칩과 상기 투명기판 사이에 배치되고, 금속 필러를 갖는 접착층; 및
상기 투명기판의 상기 제1 및 제2 면 및 상기 발광 다이오드 칩을 덮는 파장변환부;를 포함하며,
상기 제1 면에 연장된 평면을 기준으로, 상기 제1 면 상에 배치된 상기 파장변환부의 제1 부분의 표면적은 상기 제2 면 상에 배치된 상기 파장변환부의 제2 부분의 표면적보다 큰 LED장치.
- 제1항에 있어서,
상기 발광 다이오드 칩은,
광투과성 기판과,
상기 광투과성 기판의 상면에 배치된 제1 도전형 반도체층, 활성층 및 제2 도전형 반도체층을 갖는 발광 적층체를 포함하며,
상기 반사층은 상기 광투과성 기판의 하면에 직접 형성된 것을 특징으로 하는 LED장치.
- 제1항에 있어서,
상기 반사층은 TiO2와 SiO2 쌍으로 적층된 것을 특징으로 하는 LED장치.
- 제1항에 있어서,
상기 반사층은 상기 발광 다이오드 칩의 실장면에 대응되는 면적을 갖는 것을 특징으로 하는 LED장치.
- 제1항에 있어서,
상기 접착층은 불투명 접착층인 것을 특징으로 하는 LED장치.
- 제1항에 있어서,
상기 제1 및 제2 접속단자는,
상기 제1 면 또는 상기 제2 면의 방향을 표시하는 걸림홈이 배치된 것을 특징으로 하는 LED장치.
- 삭제
- 램프커버;
상기 램프커버의 일단에 결합된 소켓; 및
상기 램프커버의 내부 공간에 수용되되, 상기 내부 공간의 중심부 상에 배치된 복수개의 LED장치;를 포함하며,
상기 복수개의 LED장치는 각각,
제1 면 및 이에 대향하는 제2 면을 갖는 바(bar) 형상 투명기판;
상기 투명기판의 제1 면 상에 실장되고, 서로 전기적으로 연결되며, 각각 상기 투명기판에 실장되는 면에 장착된 반사층을 갖는 복수의 발광 다이오드 칩;
상기 투명기판의 일단에 배치되며 상기 복수의 발광 다이오드 칩에 전기적으로 접속된 제1 및 제2 접속단자;
상기 발광 다이오드 칩과 상기 투명기판 사이에 배치되고, 금속 필러를 갖는 접착층; 및
상기 투명기판의 상기 제1 및 제2 면 및 상기 발광 다이오드 칩을 덮는 파장변환부;를 포함하되,
상기 제1 면이 상기 램프커버를 향하도록 배치되고,
상기 제1 면에 연장된 평면을 기준으로, 상기 제1 면 상에 배치된 상기 파장변환부의 제1 부분의 표면적은 상기 제2 면 상에 배치된 상기 파장변환부의 제2 부분의 표면적보다 큰 LED램프.
- 제8항에 있어서,
상기 중심부에 배치되되, 일단이 상기 소켓에 고정된 지주;
상기 지주의 타단에 고정된 연결 프레임; 및
상기 지주의 중단에 고정된 전극 프레임;을 포함하며,
상기 제1 및 제2 접속단자는 각각 상기 연결 프레임 및 상기 전극 프레임과 각각 접속된 것을 특징으로 하는 LED램프.
- 제9항에 있어서,
상기 제1 및 제2 접속단자는 각각 상기 연결 프레임 및 상기 전극 프레임과 접하는 면 중 적어도 일면에, 상기 연결 프레임 또는 상기 전극 프레임이 걸림 고정되는 걸림홈이 구비된 것을 특징으로 하는 LED램프.
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US20180216787A1 (en) | 2018-08-02 |
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