JP2008545269A - 白色発光ダイオード及びダイオードアレイを有する照明装置、それらの製造方法及び製造装置 - Google Patents
白色発光ダイオード及びダイオードアレイを有する照明装置、それらの製造方法及び製造装置 Download PDFInfo
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Abstract
Description
図1は、本発明によってパッケージされた典型的な単一のLEDの概略断面図である。図2は、本発明によってパッケージされた典型的なLEDのアレイの概略断面図である。図3は、本発明による白色LEDまたはLEDアレイを組み立てる段階を示す流れ図である。図4は、蛍光体粒子を用いたLEDの被覆を容易にする被覆装置の配置図である。これらの図が本発明の概念を例示するためのものであることは、理解されるべきである。
基板材料:銅モリブデン銅(Sumitomo Inc.)、
LED:UltraBrightTM InGaN LED(Cree Inc.)、
第1の光学材料:NYOGEL OKT-0451 2 part silicone heat curable(NYE optical)、
周波数変換材料:YAG:Ce Phosphor(Phosphor Technologies UK)、
第2の光学材料:LED Encapsulant 9616(Dymax Corp)。
基板材料:銅タングステン(Marketech Int. INC)、
LED:InGaN/GaN Blue LED’s 3.3(Epistar Corporation)、
第1光学材料:Sylguard-2 part silicone heat curable(Dow Corning INC)、
周波数変換材料:YAG:Gd Phosphor(Phosphor Tech. USA)、
第2光学材料:LS-6257 Encapsulant(Light Span Corp)。
101 LED
102 変換蛍光体粒子層
103 熱伝導性基板
104 キャビティ
105 光学接着剤単層
106 蛍光体粒子
107 レンズ
108 高反射性層
109 ダイ取付材料
110 ワイヤーボンド
Claims (17)
- 表面に表面部とキャビティとを有する基板と、
前記キャビティ内に実装される少なくとも1つの発光ダイオード(LED)と、
前記LEDを覆う蛍光体粒子を含む蛍光体単層であって、前記蛍光体粒子が、放出される光を白色光に変換し、前記蛍光体単層が、粘着材料の単層によって前記LEDに付着されるところの蛍光体単層と、
を有する照明装置。 - 前記蛍光体単層を覆うことをさらに含み、透過性材料の薄膜層が、前記LEDを封入し、且つ、任意にレンズを形成する、請求項1に記載の照明装置。
- 前記基板は、放熱板を含み、前記LEDは、前記放熱板に熱的に接続される、請求項1に記載の照明装置。
- 前記LEDは、青色LEDまたは紫外線LEDである、請求項1に記載の照明装置。
- 前記蛍光体単層は、蛍光体粒子の単層である、請求項1に記載の照明装置。
- 前記蛍光体は、YAG:Ge蛍光体を含む、請求項1に記載の照明装置。
- 導線に接続された1つ又は複数のLEDを含む1つ又は複数のキャビティを有する表面を有する基板を含む加工物を提供する段階と、
前記LEDの少なくとも1つを覆う粘着材料の被覆を形成する段階と、
前記粘着材料の被覆を、蛍光体材料を含む粒子に曝し、前記少なくとも1つのLEDを覆う粒子の自己限定的被覆を形成する段階と、
前記粘着材料を硬化する段階と、
を含む、少なくとも1つ又は複数の白色光放出ダイオード(LED)を含む照明装置の製造方法。 - 前記被覆されたLEDを封入し、任意に前記LEDに対するレンズを形成するために、前記キャビティに光学材料を付ける段階をさらに含む、請求項7に記載の方法。
- 前記基板は、放熱板を含み、前記LEDは、前記放熱板に熱的に接続される、請求項7に記載の方法。
- 前記LEDの少なくとも1つは、青色LEDまたはUVLEDである、請求項7に記載の方法。
- 前記粘着材料の被覆は、粘着材料の単層を含む、請求項7に記載の方法。
- 前記粒子の被覆は、粒子の単層を含む、請求項7に記載の方法。
- 前記粘着材料は、加熱することによって硬化される、請求項7に記載の方法。
- 前記LEDを封入するために付けられる前記光学材料は、注射器または射出成形によって付けられる、請求項7に記載の方法。
- 前記加工物を複数の白色LED装置にダイシングする段階をさらに含む、請求項7に記載の方法。
- 粘着材料で被覆する前に前記加工物の一部をマスキングする段階をさらに含む、請求項7に記載の方法。
- 加工物を受容する密閉された粒子被覆チャンバーと、
前記チャンバーに接続される、被覆されるべき蛍光体粒子の収容器と、
ベンチュリノズルを介して前記チャンバーに接続される加圧された気体のソースと、
前記チャンバーに接続される、使用されない粒子を受容して回収するための回収チャンバーと、
を含む、粘着性被覆されたLEDの加工物上に蛍光体粒子を被覆する装置。
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PCT/US2005/023360 WO2007005013A1 (en) | 2005-07-01 | 2005-07-01 | Illumination devices comprising white light emitting diodes and diode arrays and method and apparatus for making them |
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JP (1) | JP2008545269A (ja) |
KR (1) | KR101203672B1 (ja) |
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WO (1) | WO2007005013A1 (ja) |
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Also Published As
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WO2007005013A1 (en) | 2007-01-11 |
KR101203672B1 (ko) | 2012-11-23 |
TW200703710A (en) | 2007-01-16 |
EP1899435A1 (en) | 2008-03-19 |
KR20080090379A (ko) | 2008-10-08 |
EP1899435A4 (en) | 2010-06-02 |
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