JP2013110435A - 熱伝導率を向上させた発光デバイス・アセンブリ、それを含むシステム及び熱伝導率を向上する方法 - Google Patents
熱伝導率を向上させた発光デバイス・アセンブリ、それを含むシステム及び熱伝導率を向上する方法 Download PDFInfo
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Abstract
【解決手段】本発明による発光デバイス・アセンブリ(10、50)は、発光ダイオードチップ(100、500−1、500−N)と、2つの端子を持つ基板であって、第1の端子(101、501)が少なくともLEDチップと同じ幅を持ち、封入されたアセンブリ全体の垂直断面積の少なくとも30%の垂直断面積を持つ部分(103、503)を有する基板と、LEDチップを基板の第1の端子へと接続する接着剤(102、502−1、502−N)とを収容する1つ以上の封入層(108、508)を具える。
【選択図】図1
Description
100、500−1、500−N 発光ダイオード(LED)チップ
101、501 基板の第1の端子
102、502−1、502−N 接着剤
103、503 第1の端子の拡張部分
107、507−1、507−N 第2の端子
108、508 封入層
Claims (8)
- 発光デバイスアセンブリであって、
空洞(104)と前記空洞(104)を含む当該発光デバイスアセンブリの総垂直断面積の少なくとも30%の垂直断面積を有する部分(103)と前記当該発光デバイスアセンブリの総垂直断面積の少なくとも30%の垂直断面積を有する部分(103)の下部から延びる直線部分(105)とを含む第1の端子(101)と、
前記空洞(104)に金属系接着剤(102)を介して設置されるLEDチップ(100)と、
前記LEDチップ(100)に接続され、拡張した部分と直線部分とを含む第2の端子(107)と、
前記第1の端子(101)については上部当たりの高さまで空洞104を除き、前記第1の端子(101)の部分(103)を少なくとも収納し、前記第2の端子(107)については前記拡張部を少なくとも収容する熱伝導性の第1の封入材の層(108)と、
前記第1の封入材の層(108)の上に配置され、空洞(104)を覆うように設けられる透明な第2の封入材の層(109)とを備え、
前記熱伝導性の第1の封入材の層(108)は熱電導性のフィラーを含むポリマー径材料からなり、
前記第1の端子と前記第2の端子とは上端が同じ高さである
ことを特徴する発光デバイスアセンブリ。 - 前記金属系接着剤(102)は、錫若しくは金ベースのはんだ合金、又はインジウムからなる、請求項1に記載の発光デバイスアセンブリ。
- 前記第1の封入材の層(108)は、熱伝導性フィラーを含むポリマー系材料からなる、請求項1又は請求項2に記載の発光デバイスアセンブリ。
- 前記熱伝導性フィラーは、セラミック、ガラス、又はアルミニウム粒子からなる、請求項3に記載の発光デバイスアセンブリ。
- 発光デバイスアセンブリを作成する方法であって、
前記LEDチップを金属系接着剤を介して,空洞(104)と前記空洞(104)を含む当該発光デバイスアセンブリの総垂直断面積の少なくとも30%の垂直断面積を有する部分(103)と前記当該発光デバイスアセンブリの総垂直断面積の少なくとも30%の垂直断面積を有する部分(103)の下部から延びる直線部分(105)とを含む第1の端子(101)の前記空洞(104)に配置するステップ(302)と、
前記LEDチップを拡張した部分と直線部分とを含む第2の端子に接続するステップ(304)と、
前記第1の端子(101)については上部当たりの高さまで空洞104を除き、前記第1の端子(101)の部分(103)を少なくとも収納し、前記第2の端子(107)については前記拡張部を少なくとも収納するように一部を熱伝導性の第1の封入材の層の中に封入するステップ(305)と、
前記空洞(104)を覆うように前記第1の封入材の層の上に透明な第2の封入材の層を配置するステップ(306)とを含み、
前記第1の端子(101)と前記第2端子(107)とは上端が同じ高さである
ことを特徴する発光デバイスアセンブリを形成する方法。 - 前記金属系接着剤(102)は、錫若しくは金ベースのはんだ合金、又はインジウムからなる、請求項5に記載の発光デバイスアセンブリを形成する方法。
- 前記第1の封入材の層(108)は、熱伝導性フィラーを含むポリマー系材料からなる、請求項5又は請求項6に記載の発光デバイスアセンブリを形成する方法。
- 前記熱伝導性フィラーは、セラミック、ガラス、又はアルミニウム粒子からなる、請求項7に記載の発光デバイスアセンブリを形成する方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US10/650,892 US6921927B2 (en) | 2003-08-28 | 2003-08-28 | System and method for enhanced LED thermal conductivity |
US650892 | 2003-08-28 |
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JP2004239553A Division JP2005079578A (ja) | 2003-08-28 | 2004-08-19 | 熱伝導率を向上させた発光デバイス・アセンブリ、それを含むシステム及び熱伝導率を向上する方法 |
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JP2013110435A true JP2013110435A (ja) | 2013-06-06 |
JP5576519B2 JP5576519B2 (ja) | 2014-08-20 |
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JP2004239553A Pending JP2005079578A (ja) | 2003-08-28 | 2004-08-19 | 熱伝導率を向上させた発光デバイス・アセンブリ、それを含むシステム及び熱伝導率を向上する方法 |
JP2013022213A Expired - Fee Related JP5576519B2 (ja) | 2003-08-28 | 2013-02-07 | 熱伝導率を向上させた発光デバイス・アセンブリ、それを含むシステム及び熱伝導率を向上する方法 |
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US (1) | US6921927B2 (ja) |
JP (2) | JP2005079578A (ja) |
DE (1) | DE102004033106B4 (ja) |
GB (1) | GB2405529B (ja) |
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Also Published As
Publication number | Publication date |
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US20050045902A1 (en) | 2005-03-03 |
JP5576519B2 (ja) | 2014-08-20 |
DE102004033106A1 (de) | 2005-04-07 |
JP2005079578A (ja) | 2005-03-24 |
GB2405529A (en) | 2005-03-02 |
US6921927B2 (en) | 2005-07-26 |
DE102004033106B4 (de) | 2009-01-08 |
GB2405529B (en) | 2008-02-20 |
GB0417470D0 (en) | 2004-09-08 |
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