KR101977278B1 - 발광 소자 - Google Patents
발광 소자 Download PDFInfo
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- KR101977278B1 KR101977278B1 KR1020120120332A KR20120120332A KR101977278B1 KR 101977278 B1 KR101977278 B1 KR 101977278B1 KR 1020120120332 A KR1020120120332 A KR 1020120120332A KR 20120120332 A KR20120120332 A KR 20120120332A KR 101977278 B1 KR101977278 B1 KR 101977278B1
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 161
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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
- H10H20/84—Coatings, e.g. passivation layers or antireflective coatings
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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
- H10H20/85—Packages
- H10H20/851—Wavelength conversion means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
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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
- H10H20/83—Electrodes
- H10H20/831—Electrodes characterised by their shape
- H10H20/8316—Multi-layer electrodes comprising at least one discontinuous layer
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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
- H10H20/85—Packages
- H10H20/851—Wavelength conversion means
- H10H20/8514—Wavelength conversion means characterised by their shape, e.g. plate or foil
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- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
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- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/857—Interconnections, e.g. lead-frames, bond wires or solder balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
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- F21Y2101/00—Point-like light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
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- F21Y2115/10—Light-emitting diodes [LED]
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1203—Rectifying Diode
- H01L2924/12032—Schottky diode
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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
- H10H20/8515—Wavelength conversion means not being in contact with the bodies
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Abstract
Description
도 2는 도 1에 도시된 발광 소자의 AB방향의 단면도이다.
도 3은 도 1에 도시된 발광 소자의 CD 방향의 단면도이다.
도 4는 도 1에 도시된 본딩부의 제1 본딩 전극이 배치되는 제2 반도체층의 상부면을 나타낸다.
도 5는 도 1에 도시된 본딩부의 제2 본딩 전극이 배치되는 형광체 플레이트의 하부면을 나타낸다.
도 6은 제2 전극이 배치되는 형광체 플레이트의 상부면을 나타낸다.
도 7은 제1 본딩 전극과 제2 본딩 전극의 융착을 나타낸다.
도 8은 제1 본딩 전극에 융착된 제2 본딩 전극을 나타낸다.
도 9는 도 2 및 도 3에 도시된 점선 부분의 확대도를 나타낸다.
도 10은 도 1에 도시된 발광 소자의 변형 예의 AB 방향 단면도이다.
도 11은 도 10에 도시된 변형 예의 CD 방향 단면도이다.
도 12는 다른 실시 예에 따른 발광 소자의 평면도를 나타낸다.
도 13은 도 12에 도시된 발광 소자의 EF 방향의 단면도를 나타낸다.
도 14는 도 12에 도시된 발광 소자의 GH방향의 단면도를 나타낸다.
도 15는 도 12에 도시된 제1 본딩부의 제1 본딩 전극과 제2 본딩부의 제2 확장 전극을 나타낸다.
도 16은 도 12에 도시된 형광체 플레이트의 하부면을 나타낸다.
도 17은 도 12에 도시된 형광체 플레이트의 상부면을 나타낸다.
도 18은 도 13에 도시된 점선 부분의 확대도를 나타낸다.
도 19는 도 14에 도시된 점선 부분의 확대도를 나타낸다.
도 20은 다른 실시 예에 따른 발광 소자의 평면도를 나타낸다.
도 21은 도 20에 도시된 발광 소자의 AB 방향 단면도를 나타낸다.
도 22는 도 20에 도시된 제1 전극부를 나타낸다.
도 23은 도 20에 도시된 형광체 플레이트의 하부면을 나타낸다.
도 24는 도 20에 도시된 형광체 플레이트의 상부면을 나타낸다.
도 25는 도 20에 도시된 실시 예의 변형 예를 나타낸다.
도 26은 실시 예에 따른 발광 소자 패키지를 나타낸다.
도 27은 실시 예에 따른 발광 소자 패키지를 포함하는 조명 장치의 분해 사시도이다
도 28은 실시 예에 따른 발광 소자 패키지를 포함하는 표시 장치를 나타낸다.
도 29는 실시 예에 따른 발광 소자 패키지를 포함하는 해드 램프를 나타낸다.
122: 제1 반도체층 124: 활성층
126: 제2 반도체층 130: 전도층
142: 제1 전극 144-1, 144-2: 제2 전극
150: 형광체 플레이트 160-1 내지 160-2: 본딩부
170-1 내지 170-n: 제1 본딩 전극 180-1 내지 180-n: 제2 본딩 전극
240-1 내지 240-n: 제1 본딩부 230-1 내지 230-m: 제2 본딩부
405: 제2 전극부 410: 지지층
415: 접합층 420: 배리어층
425: 반사층 430: 오믹 영역
440: 보호층 465: 패시베이션층
470: 제1 전극부.
Claims (12)
- 제1 반도체층, 활성층, 및 제2 반도체층을 포함하는 발광 구조물;
상기 제2 반도체층 상에 배치되는 형광체 플레이트(plate);
상기 형광체 플레이트의 상면 상에 배치되고, 상기 형광체 플레이트를 관통하여 상기 형광체 플레이트의 하면으로 노출되는 관통부를 갖는 패드부;
상기 제2 반도체층 상에 배치되는 확장 전극;
상기 형광체 플레이트의 하면과 상기 제2 반도체층 사이에 배치되는 제1 본딩부; 및
상기 형광체 플레이트와 상기 확장 전극을 결합하는 제2 본딩부를 포함하고
상기 제2 본딩부는,
상기 관통부와 상기 확장 전극을 결합하는 본딩 전극; 및
상기 형광체 플레이트의 하면에 배치되고, 상기 확장 전극에 결합되는 제3 본딩 전극을 포함하고,
상기 제3 본딩 전극은 상기 관통부와 이격되고, 상기 본딩 전극은 상기 관통부와 접촉하고,
상기 제1 본딩부의 상면은 상기 형광체 플레이트의 하면과 접촉하고, 상기 제1 본딩부는 상기 관통부와 이격되는 발광 소자. - 제1항에 있어서,
상기 제2 반도체층 상에 배치되는 전도층을 더 포함하고,
상기 확장 전극은 상기 전도층 상에 배치되고,
상기 제1 본딩부는 상기 형광체 플레이트와 상기 전도층 사이에 배치되고, 상기 형광체 플레이트와 상기 전도층을 결합시키는 발광 소자. - 제1항에 있어서, 상기 제1 본딩부는,
상기 제2 반도체층 상에 배치되는 제1 본딩 전극; 및
상기 형광체 플레이트의 하면 상에 배치되고, 상기 제1 본딩 전극과 결합되는 제2 본딩 전극을 포함하는 발광 소자. - 제1항에 있어서,
상기 제3 본딩 전극의 폭은 상기 확장 전극의 폭보다 작거나 동일한 발광 소자. - 제1항에 있어서,
상기 패드부는 전원을 공급하기 위한 와이어가 본딩되기 위한 것인 발광 소자. - 제1항에 있어서,
상기 제3 본딩 전극의 녹는점은 상기 확장 전극의 녹는점과 서로 다르고,
상기 제3 본딩 전극은 상기 확장 전극에 융착되는 발광 소자. - 제1항에 있어서,
상기 형광체 플레이트와 상기 발광 구조물 사이에는 에어 보이드가 존재하는 발광 소자. - 제1항에 있어서, 상기 확장 전극은,
상기 제3 본딩 전극이 본딩되는 본딩 영역; 및
상기 본딩 영역으로부터 확장되는 가지 전극을 포함하는 발광 소자. - 제1항에 있어서,
상기 제1 반도체층 상에 배치되는 제1 전극을 더 포함하고,
상기 형광체 플레이트는 상기 제1 전극을 노출하는 개구부를 포함하는 발광 소자. - 패키지 몸체;
상기 패키지 몸체에 배치되는 제1 리드 프레임 및 제2 리드 프레임;
상기 제1 리드 프레임 및 상기 제2 리드 프레임과 전기적으로 연결되는 청구항 제1항 내지 제9항 중 어느 한 항에 기재된 발광소자;
상기 발광 소자를 포위하는 수지층을 포함하는 발광 소자 패키지. - 삭제
- 삭제
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US9437784B2 (en) | 2016-09-06 |
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JP2014090164A (ja) | 2014-05-15 |
US20140117389A1 (en) | 2014-05-01 |
EP2725630A1 (en) | 2014-04-30 |
KR20140054625A (ko) | 2014-05-09 |
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