JP5506313B2 - 車両ヘッドライト用発光ダイオード光源 - Google Patents
車両ヘッドライト用発光ダイオード光源 Download PDFInfo
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- JP5506313B2 JP5506313B2 JP2009226595A JP2009226595A JP5506313B2 JP 5506313 B2 JP5506313 B2 JP 5506313B2 JP 2009226595 A JP2009226595 A JP 2009226595A JP 2009226595 A JP2009226595 A JP 2009226595A JP 5506313 B2 JP5506313 B2 JP 5506313B2
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- Prior art keywords
- light
- light emitting
- side wall
- emitting element
- emitting diode
- 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.)
- Expired - Fee Related
Links
- 239000000758 substrate Substances 0.000 claims description 38
- 230000004313 glare Effects 0.000 claims description 23
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 2
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 238000005286 illumination Methods 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000003779 heat-resistant material Substances 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000005549 size reduction Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
- F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/20—Illuminance distribution within the emitted light
-
- 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]
-
- 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
-
- 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
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/85—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a wire connector
- H01L2224/85909—Post-treatment of the connector or wire bonding area
- H01L2224/8592—Applying permanent coating, e.g. protective coating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Description
1a:凹部
2:サブマウント基板
3:接着層
4−0,4−1,…,4−6:配線パターン
5−1,5−2,5−3,5−4:LEDチップ
6:接着剤
7−1,7−2,…,7−6:ボンディングワイヤ
8−1,8−2:カプラ
9−1,9−2,9−3,9−4:蛍光樹脂体
10,10’:側壁
10’a:屋根
Claims (9)
- 放熱基板と、
前記放熱基板上に設けられ、少なくとも1つの発光素子が搭載されたサブマウント基板と、
前記放熱基板上に設けられ、前記発光素子の上方側の配光パターンのグレア光を抑制する黒色吸収部材よりなる側壁と
を具備し、
前記側壁の高さは、前記発光素子の中心垂線と、前記発光素子の中心と前記側壁の上端とを結ぶ直線とのなす角度が70°である場合に相当する高さであり、
前記側壁の高さは、該側壁が前記サブマウント基板からのグレア光を遮蔽して前記発光素子からの光がランバーシアン配光となるように、設定された車両ヘッドライト用発光ダイオード光源。 - 前記側壁が前記サブマウント基板上の発光素子を囲むようにリング状に形成された請求項1に記載の車両ヘッドライト用発光ダイオード光源。
- 前記側壁がアルミナにチタンカーバイト、金属粉及びカーボンの1つを混入させた耐熱性部材よりなる請求項1に記載の車両ヘッドライト用発光ダイオード光源。
- 前記放熱基板に凹部が形成され、前記サブマウント基板が該凹部内に搭載された請求項1に記載の車両ヘッドライト用発光ダイオード光源。
- 前記側壁を前記上方側の配光パターンを抑制する側に前記サブマウント基板と平行に屋根状に延長した請求項1に記載の車両ヘッドライト用発光ダイオード光源。
- 前記サブマウント基板上に配線パターンを形成し、
該配線パターンの一部に前記発光素子を搭載し、
該発光素子の上部電極と前記配線パターンの他部とをボンディングワイヤによって電気的に接続し、
前記ボンディングワイヤが存在する側の前記側壁と前記発光素子との距離が前記ボンディングワイヤが存在しない側の前記上方側の配光パターン側の前記側壁と前記発光素子との距離より大きくした請求項1に記載の車両ヘッドライト用発光ダイオード光源。 - 前記側壁の高さは前記ボンディングワイヤの高さより大きい請求項6に記載の車両ヘッドライト用発光ダイオード光源。
- 前記サブマウント基板には複数の発光素子が搭載され、該複数の発光素子は細長い配列にされかつ前記側壁によって囲まれた請求項2に記載の車両ヘッドライト用発光ダイオード光源。
- 前記発光素子は、不透明な支持基板上に発光ダイオード構造のエピ部分を配置してなる請求項1に記載の車両ヘッドライト用発光ダイオード光源。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009226595A JP5506313B2 (ja) | 2009-09-30 | 2009-09-30 | 車両ヘッドライト用発光ダイオード光源 |
US12/895,766 US20110075438A1 (en) | 2009-09-30 | 2010-09-30 | Led light source and vehicle light |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009226595A JP5506313B2 (ja) | 2009-09-30 | 2009-09-30 | 車両ヘッドライト用発光ダイオード光源 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011077263A JP2011077263A (ja) | 2011-04-14 |
JP5506313B2 true JP5506313B2 (ja) | 2014-05-28 |
Family
ID=43780211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009226595A Expired - Fee Related JP5506313B2 (ja) | 2009-09-30 | 2009-09-30 | 車両ヘッドライト用発光ダイオード光源 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20110075438A1 (ja) |
JP (1) | JP5506313B2 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012103508A2 (en) * | 2011-01-29 | 2012-08-02 | Kim Gerald Ho | Silicon-based cooling package for light-emitting devices |
US9570666B2 (en) * | 2011-01-29 | 2017-02-14 | Gerald Ho Kim | Silicon-based cooling package for light-emitting devices |
US9299743B2 (en) | 2011-04-20 | 2016-03-29 | Panasonic Intellectual Property Management Co., Ltd. | Light-emitting apparatus, backlight unit, liquid crystal display apparatus, and illumination apparatus |
KR20140076717A (ko) * | 2012-12-13 | 2014-06-23 | 서울반도체 주식회사 | 발광 다이오드 및 그것을 제조하는 방법 |
KR20140096722A (ko) * | 2013-01-29 | 2014-08-06 | 엘지이노텍 주식회사 | 램프 유닛 |
TWI600857B (zh) * | 2017-02-09 | 2017-10-01 | 可增強車燈光強度的遮光模組 | |
US10533731B2 (en) * | 2017-07-11 | 2020-01-14 | Valeo North America, Inc. | Bi-material transmitting optical element |
TWI629430B (zh) * | 2017-12-22 | 2018-07-11 | 財團法人工業技術研究院 | 車頭燈裝置 |
CN109461805B (zh) | 2018-03-07 | 2021-08-10 | 普瑞光电股份有限公司 | 具有位于包含荧光体的玻璃转换板上的玻璃透镜的汽车led光源 |
GB2585687B (en) * | 2019-07-11 | 2021-08-18 | Dyson Technology Ltd | Vehicle lamps |
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JPS58178575A (ja) * | 1982-04-14 | 1983-10-19 | Toshiba Corp | 光半導体表示装置 |
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-
2009
- 2009-09-30 JP JP2009226595A patent/JP5506313B2/ja not_active Expired - Fee Related
-
2010
- 2010-09-30 US US12/895,766 patent/US20110075438A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2011077263A (ja) | 2011-04-14 |
US20110075438A1 (en) | 2011-03-31 |
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