JP6183470B2 - Led発光素子 - Google Patents
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- JP6183470B2 JP6183470B2 JP2015554036A JP2015554036A JP6183470B2 JP 6183470 B2 JP6183470 B2 JP 6183470B2 JP 2015554036 A JP2015554036 A JP 2015554036A JP 2015554036 A JP2015554036 A JP 2015554036A JP 6183470 B2 JP6183470 B2 JP 6183470B2
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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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- Led Device Packages (AREA)
Description
図1A〜図1Jを参照すると、本発明の第1の実施形態によって提供されたLED発光素子の構造が示される。この実施形態のLED発光素子10は、担体11、複数のLEDチップ12、封入構造部材13、及び1対の金属電極板(20a,20b)を含む。担体11は、透明体であり、ガラス、セラミック、プラスチックなどのうちの1つ、又はこれらの複数の組み合わせで作成されてもよい。更に、担体11の表面は、凹凸構造を有する粗面化反射層28を形成するように粗面化によって処理され、その結果、担体11は、図1Bに示されたように、外部から見て半透明体になる。更に、粗面化反射層28の縦断面(即ち、紙面に垂直な方向の断面)において、凹凸構造の突出部形状は、半円、楕円、ジグザグ、三角形などでよい。凹凸構造を有する粗面化反射層28によって、LEDチップ12から放射された光を反射させることができ、また光線を互いに結合することができ、それによりLED発光素子10からの光出力が均一で優しくなる。実際の応用例では、様々なLEDチップ12の発光構造にしたがって、担体11の外側面を様々な程度に粗面化して、様々な凹凸構造形状、凹部深さ、突出部高さなどを有するようにすることができる。実際の応用例では、担体11の4つの側面(即ち、図1Bの紙面に垂直な4つの面)が、様々な程度に粗面化されてもよい。あるいは、担体11の担持面及び担持面と反対側の面だけが、様々な程度に粗面化されてもよい。あるいは、担持面及び担持面と反対側の面以外の、担体11の4つの側面のうちの2つの側面だけが、様々な程度に粗面化されてもよい。
図3Aと図3Bに示されたように、本発明の第2の実施形態によって提供されたLED発光素子の構造が示される。第1の実施形態と同様に、第2の実施形態によって提供されるLED発光素子10は、担体11、複数のLEDチップ12、1対の金属電極板(20a,20b)及び封入構造部材13を含み、封入構造部材13は、担体11、複数のLEDチップ12及び1対の金属電極板(20a,20b)を封入するために使用される。
12 LEDチップ
13 封入構造部材
20a,20b 電極
30 導体
Claims (6)
- LED発光素子において、
担体であって、透明体であり担持面に導体が設けられた担体と、
複数のLEDチップであって、共晶接合によって前記導体に電気的に接続され、それによりお互いに電気接続が実現された複数のLEDチップと、
透明体であって、前記担体と前記複数のLEDチップの周囲を封入する封入構造部材と、
1対の電極であって、前記1対の電極の正/負電極が、前記導体によって、前記複数のLEDチップにおける電流伝送の最も上流/最も下流にある前記LEDチップに電気的に接続され、前記封入構造部材の外部に延在した1対の電極と、
を有し、
前記LEDチップの数がN個であり、前記導体の数がN+1個であり、ここで、Nが1より大きい整数であり、前記N個のLEDチップと前記N+1個の導体が、前記1対の電極の延長方向に交互に配列され、
各LEDチップの接合面の両端にチップはんだ付けパッドが設けられており、それに対応して前記LEDチップに隣接した2個の導体の2端に回路はんだ付けパッドが設けられており、前記チップはんだ付けパッドの形状が、前記回路はんだ付けパッドの形状に対応しており、
前記チップはんだ付けパッドと前記回路はんだ付けパッドとの共晶接合によるはんだ付けによって、各LEDチップとそれに隣接した2個の導体が、電気的に接続されており、
前記封入構造部材が、前記担体の前記担持面と、前記担持面に固定された前記LEDチップと、前記担体の前記担持面から遠い面と、前記担体の両側面の周縁領域のみとを封入しているLED発光素子。 - 前記1対の電極が、1対の金属電極板であり、前記金属電極板がそれぞれ、互いに一体的に接続された組立部分と接続部分を含み、
前記組立部分が、導電性接着材によって前記担体の前記担持面の両端に接合されており、前記接着材が、対応する前記導体に、共晶接合、リフローはんだ付け、又は高温固化によって電気的に接続されており、
前記1対の金属電極板の前記接続部分の前記組立部分から遠い端が、異なる形状を有する、請求項1に記載のLED発光素子。 - 制限溝が、前記担体の両端に形成され、前記担持面上に位置決めされており、前記組立部分が、前記制限溝内に前記接着材によって固定されており、前記接着材が、前記制限溝内で前記組立部分の外側面を封入しており、
制限溝が、前記組立部分の前記接続部分から遠い端に設けられており、前記担体の両端が、前記接着材によって前記制限溝内に固定されており、前記接着材が、前記担体の外側面を前記制限溝の内部に封入している、請求項2に記載のLED発光素子。 - 前記組立部分の幅が、前記接続部分の幅より大きい、請求項2に記載のLED発光素子。
- 透明であり熱伝導性の放熱層が前記LEDチップと熱を交換するために前記担体の前記担持面と前記LEDチップの接合面との間に設けられており、前記放熱層の材料が、シリカゲル、エポキシ接着材、ケイ素樹脂及び改質樹脂のうちの1つ又は複数を含む、請求項1に記載のLED発光素子。
- 前記導体が、導電性金属材料で作成された、請求項1に記載のLED発光素子。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CN201310024997.X | 2013-01-22 | ||
CN201310024997.XA CN103943616B (zh) | 2013-01-22 | 2013-01-22 | 一种led发光装置 |
PCT/CN2014/071154 WO2014114242A1 (zh) | 2013-01-22 | 2014-01-22 | 一种led发光装置 |
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JP2016509752A JP2016509752A (ja) | 2016-03-31 |
JP6183470B2 true JP6183470B2 (ja) | 2017-08-23 |
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US (1) | US9679879B2 (ja) |
EP (1) | EP2950343B1 (ja) |
JP (1) | JP6183470B2 (ja) |
CN (2) | CN104966773B (ja) |
WO (1) | WO2014114242A1 (ja) |
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CN104505452A (zh) * | 2014-11-14 | 2015-04-08 | 浙江英特来光电科技有限公司 | 一种回流焊式led灯丝 |
CN104505453B (zh) * | 2014-11-14 | 2017-08-25 | 浙江英特来光电科技有限公司 | 一种无焊线led灯丝 |
TWI651491B (zh) * | 2015-07-23 | 2019-02-21 | 晶元光電股份有限公司 | 發光裝置 |
DE102016105211A1 (de) * | 2016-03-21 | 2017-09-21 | Osram Opto Semiconductors Gmbh | Filament und dessen Herstellung sowie Leuchtmittel mit Filamenten |
DE102017102044A1 (de) * | 2017-02-02 | 2018-08-02 | Osram Opto Semiconductors Gmbh | Strahlungsemittierendes Filament |
DE102018118822A1 (de) * | 2018-08-02 | 2020-02-06 | Osram Opto Semiconductors Gmbh | Leuchtfadenvorrichtung und verfahren zur herstellung einer leuchtfadenvorrichtung |
CN109300797A (zh) * | 2018-11-21 | 2019-02-01 | 山东农业工程学院 | 一种深腔无引线芯片共晶焊接装置及方法 |
DE102019106931A1 (de) * | 2019-03-19 | 2020-09-24 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Optoelektronisches Halbleiterbauelement, optoelektronische Halbleitervorrichtung und Verfahren zur Herstellung eines optoelektronischen Halbleiterbauelements |
US11777065B2 (en) * | 2020-05-29 | 2023-10-03 | X Display Company Technology Limited | White-light-emitting LED structures |
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JP2007081234A (ja) * | 2005-09-15 | 2007-03-29 | Toyoda Gosei Co Ltd | 照明装置 |
TW200828632A (en) * | 2006-12-28 | 2008-07-01 | Yu-Nung Shen | Package body of luminous source |
JP4986735B2 (ja) * | 2007-06-25 | 2012-07-25 | 京セラ株式会社 | 照明用光源 |
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JP5102815B2 (ja) * | 2009-08-31 | 2012-12-19 | 日立電線株式会社 | 光電気複合配線モジュールおよびその製造方法 |
US20120043886A1 (en) * | 2010-08-18 | 2012-02-23 | Hua Ji | Integrated Heat Conductive Light Emitting Diode (LED) White Light Source Module |
US8198109B2 (en) * | 2010-08-27 | 2012-06-12 | Quarkstar Llc | Manufacturing methods for solid state light sheet or strip with LEDs connected in series for general illumination |
CN202281062U (zh) * | 2011-08-29 | 2012-06-20 | 浙江锐迪生光电有限公司 | 一种LED芯片4π出光的高显色指数LED灯泡 |
JP5689524B2 (ja) * | 2010-09-08 | 2015-03-25 | 浙江鋭迪生光電有限公司 | LED電球及び4π出光可能なLED発光ストリップ |
CN202281057U (zh) * | 2011-05-11 | 2012-06-20 | 浙江锐迪生光电有限公司 | 一种LED芯片4π出光的高效率LED发光管 |
US8575639B2 (en) * | 2011-02-16 | 2013-11-05 | Cree, Inc. | Light emitting devices for light emitting diodes (LEDs) |
JP2012146738A (ja) * | 2011-01-07 | 2012-08-02 | Stanley Electric Co Ltd | Ledモジュール及びledランプ |
JP5074639B1 (ja) * | 2011-07-22 | 2012-11-14 | パナソニック株式会社 | ランプ及び照明装置 |
CN202259395U (zh) | 2011-09-07 | 2012-05-30 | 王元成 | 一种led光源 |
CN202493931U (zh) | 2012-02-15 | 2012-10-17 | 李彬斌 | 一种低阻散热型led灯泡 |
CN102664229B (zh) * | 2012-06-05 | 2015-04-08 | 泉州万明光电有限公司 | 一种发光二极体光源结构 |
CN203134856U (zh) * | 2013-01-22 | 2013-08-14 | 浙江中宙照明科技有限公司 | 一种led发光装置 |
-
2013
- 2013-01-22 CN CN201510365882.6A patent/CN104966773B/zh active Active
- 2013-01-22 CN CN201310024997.XA patent/CN103943616B/zh active Active
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- 2014-01-22 JP JP2015554036A patent/JP6183470B2/ja not_active Expired - Fee Related
- 2014-01-22 EP EP14743894.9A patent/EP2950343B1/en active Active
- 2014-01-22 US US14/762,602 patent/US9679879B2/en active Active
- 2014-01-22 WO PCT/CN2014/071154 patent/WO2014114242A1/zh active Application Filing
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US20150364452A1 (en) | 2015-12-17 |
EP2950343A1 (en) | 2015-12-02 |
US9679879B2 (en) | 2017-06-13 |
CN104966773A (zh) | 2015-10-07 |
EP2950343B1 (en) | 2020-07-01 |
CN104966773B (zh) | 2018-03-09 |
CN103943616B (zh) | 2017-04-12 |
CN103943616A (zh) | 2014-07-23 |
WO2014114242A1 (zh) | 2014-07-31 |
EP2950343A4 (en) | 2016-08-24 |
JP2016509752A (ja) | 2016-03-31 |
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