JP3976063B2 - 発光装置 - Google Patents
発光装置 Download PDFInfo
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- JP3976063B2 JP3976063B2 JP2005515214A JP2005515214A JP3976063B2 JP 3976063 B2 JP3976063 B2 JP 3976063B2 JP 2005515214 A JP2005515214 A JP 2005515214A JP 2005515214 A JP2005515214 A JP 2005515214A JP 3976063 B2 JP3976063 B2 JP 3976063B2
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- light
- emitting device
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- led element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/505—Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/06—Optical design with parabolic curvature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/08—Optical design with elliptical curvature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/64—Heat extraction or cooling elements
- H01L33/642—Heat extraction or cooling elements characterized by the shape
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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
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/68—Details of reflectors forming part of the light source
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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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- 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
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
- H01L2224/13—Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/00011—Not relevant to the scope of the group, the symbol of which is combined with the symbol of this group
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/00014—Technical content checked by a classifier the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
- H01L33/60—Reflective elements
Description
また、本発明の目的は、より部品点数を低減させた反射型の発光装置を提供することにもある。
(1)放熱板13の端面にLED素子2を搭載するようにしたため、LED素子2の点灯時に生じた熱がリード部15Aおよび15B、放熱板13および14を介してケース10に速やかに熱引きされるようになり、LED素子2の高出力化によって発熱量が増大しても良好な放熱性が得られる。
(1)リード部15Bから放熱支柱17を介して放熱板13および14にLED素子2の点灯に基づく熱を伝熱するようにしたため、LED素子2の高出力化に対して伝熱性に余裕のある放熱経路を確保することができる。
(1)放熱支柱17および放熱板13、14、および19が透明板12の外側に配置されるため、LED素子2の点灯に伴う熱の放熱性が向上する。
Claims (20)
- 金属材料からなる遮光性の放熱板と、
前記放熱板の端面に搭載され固体発光素子を含む光源部と、
前記光源部へ電力を供給し、前記放熱板と絶縁され前記放熱板と一体的に形成されている給電部と、
前記光源部から放射された光を、前記放熱板方向であって前記放熱板と平行な方向へ反射する反射部とを有することを特徴とする発光装置。 - 前記給電部は、金属性薄膜からなることを特徴とする請求項1に記載の発光装置。
- 前記給電部は、複数の前記放熱板に絶縁体を介して挟入されていることを特徴とする請求項2に記載の発光装置。
- 前記光源部は、前記固体発光素子を光透過性材料で封止してパッケージ化されていることを特徴とする請求項1から3のいずれか1項に記載の発光装置。
- 前記光源部は、フリップチップ実装される前記固体発光素子を有し、
前記固体発光素子に対して電力の受供給を行う導電パターンを形成された無機材料基板上に実装され、
前記無機材料基板との熱膨張率が同等の無機封止材料によって封止されていることを特徴とする請求項4に記載の発光装置。 - 前記無機封止材料は、ガラスであることを特徴とする請求項5に記載の発光装置。
- 前記無機封止材料は、屈折率1.55以上であることを特徴とする請求項6に記載の発光装置。
- 前記固体発光素子あるいは前記固体発光素子の周囲から、複数領域波長のスペクトル光を放射することを特徴とする請求項1から7のいずれか1項に記載の発光装置。
- 前記固体発光素子の周囲に蛍光体を配置したことを特徴とする請求項8に記載の発光装置。
- 前記反射部および前記放熱板を収容し、前記反射部が配置される第1の開口部と、前記反射部にて反射された光を取り出す第2の開口部と、を有するケースを有することを特徴とする請求項1から9のいずれか1項に記載の発光装置。
- 前記放熱板は、前記ケースと同一部材で形成されていることを特徴とする請求項10に記載の発光装置。
- 前記ケースは、光を反射する表面を有することを特徴とする請求項11に記載の発光装置。
- 前記ケースの外周面は、放熱面積を拡大するために、凹凸部が形成されていることを特徴とする請求項11または12に記載の発光装置。
- 前記ケースの外周面は、放熱面積を拡大するために、粗面化されていることを特徴とする請求項11または12に記載の発光装置。
- 前記放熱板は、光を反射する表面を有することを特徴とする請求項1から14のいずれか1項に記載の発光装置。
- 前記放熱板は、前記反射部側に突出した形状を有することを特徴とする請求項15に記載の発光装置。
- 前記反射部は、樹脂材料によって形成されることを特徴とする請求項1から16のいずれか1項に記載の発光装置。
- 前記光源部は、複数の前記固体発光素子を備えることを特徴とする請求項1から17のいずれか1項に記載の発光装置。
- 前記光源部を複数備え、前記複数の光源部に対応した複数の反射部と放熱板とを有することを特徴とする請求項1から18のいずれか1項に記載の発光装置。
- 前記複数の光源部は、赤色(R)、緑色(G)、および青色(B)の発光色の光源部からなることを特徴とする請求項19に記載の発光装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003373274 | 2003-10-31 | ||
JP2003373274 | 2003-10-31 | ||
JP2004251021 | 2004-08-30 | ||
JP2004251021 | 2004-08-30 | ||
PCT/JP2004/016364 WO2005043637A1 (ja) | 2003-10-31 | 2004-10-28 | 発光装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007102124A Division JP4010340B2 (ja) | 2003-10-31 | 2007-04-09 | 発光装置 |
Publications (2)
Publication Number | Publication Date |
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JPWO2005043637A1 JPWO2005043637A1 (ja) | 2007-05-10 |
JP3976063B2 true JP3976063B2 (ja) | 2007-09-12 |
Family
ID=34554782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005515214A Expired - Fee Related JP3976063B2 (ja) | 2003-10-31 | 2004-10-28 | 発光装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7607801B2 (ja) |
JP (1) | JP3976063B2 (ja) |
DE (1) | DE112004002083T5 (ja) |
WO (1) | WO2005043637A1 (ja) |
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US8860051B2 (en) | 2006-11-15 | 2014-10-14 | The Regents Of The University Of California | Textured phosphor conversion layer light emitting diode |
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JP2008311471A (ja) * | 2007-06-15 | 2008-12-25 | Toyoda Gosei Co Ltd | 発光装置 |
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- 2004-10-28 WO PCT/JP2004/016364 patent/WO2005043637A1/ja active Application Filing
- 2004-10-28 US US10/521,943 patent/US7607801B2/en not_active Expired - Fee Related
- 2004-10-28 DE DE112004002083T patent/DE112004002083T5/de not_active Withdrawn
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JPWO2005043637A1 (ja) | 2007-05-10 |
US7607801B2 (en) | 2009-10-27 |
DE112004002083T5 (de) | 2008-03-20 |
US20060164836A1 (en) | 2006-07-27 |
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