JP3131390U - Ledと放熱シートとの結合構造 - Google Patents
Ledと放熱シートとの結合構造 Download PDFInfo
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- JP3131390U JP3131390U JP2007000590U JP2007000590U JP3131390U JP 3131390 U JP3131390 U JP 3131390U JP 2007000590 U JP2007000590 U JP 2007000590U JP 2007000590 U JP2007000590 U JP 2007000590U JP 3131390 U JP3131390 U JP 3131390U
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/021—Components thermally connected to metal substrates or heat-sinks by insert mounting
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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
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
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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
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
- F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20509—Multiple-component heat spreaders; Multi-component heat-conducting support plates; Multi-component non-closed heat-conducting structures
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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
- H01L2224/42—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
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
-
- 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
- H01L2224/484—Connecting portions
- H01L2224/48463—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond
- H01L2224/48465—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond the other connecting portion not on the bonding area being a wedge bond, i.e. ball-to-wedge, regular stitch
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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
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/49105—Connecting at different heights
- H01L2224/49107—Connecting at different heights on the semiconductor or solid-state body
-
- 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
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
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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
- H01L33/648—Heat extraction or cooling elements the elements comprising fluids, e.g. heat-pipes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10106—Light emitting diode [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0058—Laminating printed circuit boards onto other substrates, e.g. metallic substrates
- H05K3/0061—Laminating printed circuit boards onto other substrates, e.g. metallic substrates onto a metallic substrate, e.g. a heat sink
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Led Device Packages (AREA)
Abstract
【解決手段】基板12と複数の鰭片13を有する放熱シート11と、基板12の上に配置される回路板15と、回路板15に電気的に接続するように放熱シート11の上に配置される少なくとも一つのLEDユニット21と、を有する。これによりLEDチップが生じた熱エネルギーを放熱シート11へ直接伝導させ、放熱シート11の大面積を介して放熱を行うことが可能であるため、周知の技術に優れた放熱効果を有することが可能となる。
【選択図】図1
Description
それに対し、US5,173,849号特許案はLEDディスプレイの放熱問題を解決する技術を掲示した。そのうちの導熱ベルト、アルミニウムブロック、導熱ベルト、及び放熱シートはLEDチップの下方に積み重なるため、LEDチップが生じた熱エネルギーを下方から引き出すことが可能である。しかし、この技術においてもっとも熱を出すLEDチップと放熱シートとの間に三層の物質が挟まり、中間層が多すぎるため、熱抵抗(温度による抵抗)が比較的大きく、放熱速度は比較的遅い。従って良好な解決法とは言えない。
図1から図3に示すように、本考案の第一実施例によるLEDと放熱シートとの結合構造10は放熱シート11、回路板15、及び複数のLEDユニット21から構成される。
放熱シート11は基板12と複数の鰭片13とを有する。
回路板15は基板12の上に配置される。
LEDチップ43の正極431及び負極432は上向きになり、LEDチップ43は底部に絶縁層433を有し、絶縁層433は基板32に配置される。正極431及び負極432は別々にリード線44を介して回路板35に電気的に接続される。
第二実施例と第一実施例との主な違いはLEDチップ43が別の形態を呈し、基板32に配置する方法が異なることである。また第二実施例のほかの構造、使用方法と達成した効果は前述の第一実施例とほぼ同じであるため詳しい説明を省く。
LEDユニット61は導熱座62、LEDチップ63、二つのリード線64、及びパッケージングユニット65を有する。導熱座62は基板52の上に配置され、LEDチップ63は導熱座62の上に配置され、二つのリード線64は別々にLEDチップ63の正極631と負極632とに連接され、かつ回路板55に電気的に接続され、パッケージングユニット65はLEDチップ63、二つのリード線64、及び導熱座62を被覆する。
第三実施例と第一実施例との主な違いはLEDチップ61が別の形態を呈し、LEDチップ63が導熱座62を介して基板52の上に配置されることである。また第三実施例のほかの構造、使用方法と達成した効果は前述の第一実施例とほぼ同じであるため詳しい説明を省く。
また第三実施例では、パッケージングユニット65’は樹脂モールドの効果に類似しているマスクから構成することが可能である。
従来の技術と比べて放熱効果がより高いことである。本考案の実施例はLEDチップと放熱シートとの間に中間層、即ちチップ座体と回路板との配置を省くため、チップ座体と回路板とが生じた巨大の熱抵抗を免れることが可能である。また本考案の実施例はLEDチップと放熱シートとを結合させるか、LEDチップと放熱シートとの間に良好な導熱性を有する導熱座を加えることにより、LEDチップが生じた熱エネルギーを放熱シートへ直接伝導させるか、導熱座を介して放熱シートへ直接伝導させ、続いて放熱シートの大面積により放熱を行うことが可能である。従って、周知の技術よりも優れた放熱効果を有することが可能となる。
Claims (7)
- 基板と複数の鰭片とを有する放熱シートと、
基板の上に配置される回路板と、
回路板に電気的に接続され、かつ放熱シートの上に配置される少なくとも一つのLEDユニットと、
を備えることを特徴とするLEDと放熱シートとの結合構造。 - LEDユニットは複数であり、かつLEDユニットは、LEDチップ、少なくとも一つのリード線、及びパッケージングユニットを有し、
LEDチップは基板の上に配置され、
リード線は一端がLEDチップに接続され、他端が回路板に接続され、
パッケージングユニットはLEDチップとリード線とを被覆することを特徴とする請求項1に記載のLEDと放熱シートとの結合構造。 - LEDチップの両端は正極及び負極であり、負極は基板の上に配置され、リード線は別々にLEDチップの正極と回路板とに接続されることを特徴とする請求項2に記載のLEDと放熱シートとの結合構造。
- LEDチップの正極及び負極は上向きになり、LEDチップは底部に絶縁層を有し、絶縁層は基板の上に配置され、LEDチップの正極及び負極は別々にリード線を介して回路板に電気的に接続されることを特徴とする請求項2に記載のLEDと放熱シートとの結合構造。
- LEDユニットは複数であり、LEDユニットは導熱座、LEDチップ、二つのリード線、及びパッケージングユニットを有し、
導熱座は基板の上に配置され、
LEDチップは導熱座の上に配置され、
二つのリード線は別々にLEDチップの正極及び負極に連接され、かつ回路板に電気的に接続され、
パッケージングユニットはLEDチップ、二つのリード線、及び導熱座を被覆することを特徴とする請求項1に記載のLEDと放熱シートとの結合構造。 - パッケージングユニットは樹脂モールドであることを特徴とする請求項2または請求項5に記載のLEDと放熱シートとの結合構造。
- パッケージングユニットはマスクであることを特徴とする請求項5に記載のLEDと放熱シートとの結合構造。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW096200703U TWM313759U (en) | 2007-01-12 | 2007-01-12 | Combined assembly of LED and heat dissipation fins |
Publications (1)
Publication Number | Publication Date |
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JP3131390U true JP3131390U (ja) | 2007-05-10 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007000590U Expired - Lifetime JP3131390U (ja) | 2007-01-12 | 2007-02-05 | Ledと放熱シートとの結合構造 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20080170371A1 (ja) |
JP (1) | JP3131390U (ja) |
TW (1) | TWM313759U (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100865162B1 (ko) | 2008-02-28 | 2008-10-24 | (주)오픈테크놀러지 | 엘이디기판 조립체 |
Families Citing this family (25)
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US8425085B2 (en) * | 2006-04-16 | 2013-04-23 | Albeo Technologies, Inc. | Thermal management of LED-based lighting systems |
US7806574B2 (en) * | 2006-04-16 | 2010-10-05 | Albeo Technologies, Inc. | Thermal management of LED-based lighting systems |
US8866408B2 (en) | 2008-04-14 | 2014-10-21 | Digital Lumens Incorporated | Methods, apparatus, and systems for automatic power adjustment based on energy demand information |
US8754589B2 (en) | 2008-04-14 | 2014-06-17 | Digtial Lumens Incorporated | Power management unit with temperature protection |
US10539311B2 (en) | 2008-04-14 | 2020-01-21 | Digital Lumens Incorporated | Sensor-based lighting methods, apparatus, and systems |
US8841859B2 (en) | 2008-04-14 | 2014-09-23 | Digital Lumens Incorporated | LED lighting methods, apparatus, and systems including rules-based sensor data logging |
US8610376B2 (en) | 2008-04-14 | 2013-12-17 | Digital Lumens Incorporated | LED lighting methods, apparatus, and systems including historic sensor data logging |
US8805550B2 (en) | 2008-04-14 | 2014-08-12 | Digital Lumens Incorporated | Power management unit with power source arbitration |
US8823277B2 (en) | 2008-04-14 | 2014-09-02 | Digital Lumens Incorporated | Methods, systems, and apparatus for mapping a network of lighting fixtures with light module identification |
US8058659B2 (en) | 2008-08-26 | 2011-11-15 | Albeo Technologies, Inc. | LED chip-based lighting products and methods of building |
US9076951B2 (en) | 2008-08-26 | 2015-07-07 | Albeo Technologies, Inc. | Methods of integrating LED chips with heat sinks, and LED-based lighting assemblies made thereby |
US8981629B2 (en) | 2008-08-26 | 2015-03-17 | Albeo Technologies, Inc. | Methods of integrating LED chips with heat sinks, and LED-based lighting assemblies made thereby |
US8954170B2 (en) | 2009-04-14 | 2015-02-10 | Digital Lumens Incorporated | Power management unit with multi-input arbitration |
KR20120095349A (ko) * | 2009-10-15 | 2012-08-28 | 하마마츠 포토닉스 가부시키가이샤 | Led 광원 장치 |
US7936561B1 (en) * | 2009-12-13 | 2011-05-03 | Ruei-Hsing Lin | LED heat dissipation aluminum bar and electricity conduction device |
DE202010017532U1 (de) * | 2010-03-16 | 2012-01-19 | Eppsteinfoils Gmbh & Co.Kg | Foliensystem für LED-Anwendungen |
AU2011323165B2 (en) | 2010-11-04 | 2015-04-23 | Osram Sylvania Inc. | Method, apparatus, and system for occupancy sensing |
EP3735109A3 (en) | 2011-03-21 | 2020-12-02 | Digital Lumens Incorporated | Methods, apparatus and systems for providing occupancy-based variable lighting |
EP2774459B1 (en) | 2011-11-03 | 2021-01-06 | Digital Lumens Incorporated | Methods, systems, and apparatus for intelligent lighting |
CA2867898C (en) | 2012-03-19 | 2023-02-14 | Digital Lumens Incorporated | Methods, systems, and apparatus for providing variable illumination |
WO2014160470A2 (en) * | 2013-03-13 | 2014-10-02 | Albeo Technologies, Inc. | Methods of integrating led chips with heat sinks, and led-based lighting assemblies made thereby |
US10020833B2 (en) * | 2013-03-14 | 2018-07-10 | Bby Solutions, Inc. | Integrated networking equipment and diversity antenna in light bulb |
EP2992395B1 (en) | 2013-04-30 | 2018-03-07 | Digital Lumens Incorporated | Operating light emitting diodes at low temperature |
EP3056068B1 (en) | 2013-10-10 | 2020-09-09 | Digital Lumens Incorporated | Methods, systems, and apparatus for intelligent lighting |
US9904103B2 (en) * | 2014-12-30 | 2018-02-27 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Ultra thin display module and method for assembling the same |
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US5173839A (en) * | 1990-12-10 | 1992-12-22 | Grumman Aerospace Corporation | Heat-dissipating method and device for led display |
US6428189B1 (en) * | 2000-03-31 | 2002-08-06 | Relume Corporation | L.E.D. thermal management |
US6517218B2 (en) * | 2000-03-31 | 2003-02-11 | Relume Corporation | LED integrated heat sink |
TW521409B (en) * | 2000-10-06 | 2003-02-21 | Shing Chen | Package of LED |
NL1018243C2 (nl) * | 2001-06-08 | 2002-12-10 | Oce Tech Bv | Printhead voor een beeldvormend apparaat en beeldvormend apparaat voorzien van een dergelijk printhead. |
US20030058650A1 (en) * | 2001-09-25 | 2003-03-27 | Kelvin Shih | Light emitting diode with integrated heat dissipater |
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KR20080007961A (ko) * | 2006-07-19 | 2008-01-23 | 알티전자 주식회사 | 엘이디 모듈의 냉각 장치 및 그 제조 방법 |
TW200845877A (en) * | 2007-05-07 | 2008-11-16 | Tysun Inc | Heat-dissipating substrates of composite structure |
-
2007
- 2007-01-12 TW TW096200703U patent/TWM313759U/zh not_active IP Right Cessation
- 2007-02-05 JP JP2007000590U patent/JP3131390U/ja not_active Expired - Lifetime
- 2007-04-26 US US11/790,525 patent/US20080170371A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100865162B1 (ko) | 2008-02-28 | 2008-10-24 | (주)오픈테크놀러지 | 엘이디기판 조립체 |
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Publication number | Publication date |
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US20080170371A1 (en) | 2008-07-17 |
TWM313759U (en) | 2007-06-11 |
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