JP3912607B2 - 半導体発光装置の製法 - Google Patents
半導体発光装置の製法 Download PDFInfo
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- JP3912607B2 JP3912607B2 JP2004515486A JP2004515486A JP3912607B2 JP 3912607 B2 JP3912607 B2 JP 3912607B2 JP 2004515486 A JP2004515486 A JP 2004515486A JP 2004515486 A JP2004515486 A JP 2004515486A JP 3912607 B2 JP3912607 B2 JP 3912607B2
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- 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
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- 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
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- 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
- H01L33/647—Heat extraction or cooling elements the elements conducting electric current to or from the semiconductor body
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
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- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector 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
- H01L2224/16221—Disposition the bump connector 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
- H01L2224/16245—Disposition the bump connector 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
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- 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
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- 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
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- H—ELECTRICITY
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- 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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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
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- H01L2924/01—Chemical elements
- H01L2924/01079—Gold [Au]
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1204—Optical Diode
- H01L2924/12041—LED
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3025—Electromagnetic shielding
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- H—ELECTRICITY
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- 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
- H01L33/483—Containers
- H01L33/486—Containers adapted for surface mounting
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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
- H01L33/642—Heat extraction or cooling elements characterized by the shape
Description
[2] 第1の配線導体(4)及び第2の配線導体(5)を通じて発光ダイオード(2)に大電流を流して点灯させるときに発生する熱を熱伝導率が高い金属製の支持板(1)を通じて外部に良好に放出することができる。
[3] 耐熱性の樹脂封止体(6)の使用により熱劣化を防止できる。
[4] リフレクタ(3)の内面反射により発光ダイオード(2)から生ずる光を外部に効率的に且つ指向性をもって放出できる。
[5] 支持板(1)及びリフレクタ(3)により発光ダイオード(2)を包囲する構造のため、水分等の外部からの異物の侵入を防止して、発光ダイオード(2)の劣化を抑制し、信頼性の高いパッケージ構造を実現できる。
[6] リフレクタ(3)の反射面(3c)は、発光ダイオード(2)から放出された光をレンズ部(7)側に向けて良好に反射させる。本実施の形態では、発光ダイオード(2)から放出される光をレンズ部(7)を介して高い指向性で集束させる為、円錐面の底面に対する傾斜角度は30゜以上に設定される。反射面(3c)は、円錐面、回転放物面、回転双曲面等、発光ダイオード(2)の光を上方に反射する種々の形状に形成できる。
[7] リフレクタ(3)に形成した鍔部(3d)を介して半導体発光素子(2)と第2の配線導体(5)とを電気的に接続するので、配線が容易になり、配線距離を短縮し、半導体発光装置の信頼性を向上することができる。
[8] また、鍔部(3d)が樹脂封止体(6)内にモールド成形されるので、リフレクタ(3)を樹脂封止体(6)内に確実に埋設することができる。
[9] 反射面(3c)の径が小さく且つ支持板(1)からの高さが増大したリフレクタ(3)により、光指向性及び正面輝度が向上する。
[2] リフレクタ(3)の反射面(3c)の径を小さく且つ高さを大きくできるので、光指向性及び正面輝度を向上できる。
[3] また、リード細線(8)による配線導体(5)と発光ダイオード(2)との接続を容易に行うことができる。
[4] リード細線(8)がリフレクタ(3)の上面を介さないために断線し難く、半導体発光装置の信頼性を向上することができる。
[5] 更に、リフレクタ(3)の反射面(3c)の径を小さくして発光装置を小型化することができる。
[6] 発光ダイオード(2)が配置されるリフレクタ(3)の内部空洞(3a)は耐熱性の低い樹脂のない中空部を形成するので、発光ダイオード(2)に直接接触する樹脂の熱劣化を回避することができる。
[7] 第1の配線導体(4)及び第2の配線導体(5)を通じて発光ダイオード(2)に大電流を流して点灯させるときに発生する熱を熱伝導率が高い金属製の支持板(1)を通じて外部に良好に放出することができる。
[8] 耐熱性の樹脂封止体(6)の使用により熱劣化を防止できる。
[9] リフレクタ(3)の内面反射により発光ダイオード(2)から生ずる光を外部に効率的に且つ指向性をもって放出できる。
[10] 支持板(1)及びリフレクタ(3)により発光ダイオード(2)を包囲する構造により、水分等の外部からの異物の侵入を防止して、発光ダイオード(2)の劣化を抑制し、信頼性の高いパッケージ構造を実現できる。
[11] リフレクタ(3)の円錐面は、発光ダイオード(2)から放出された光をレンズ部(7)側に向けて良好に反射させる。本実施の形態では、発光ダイオード(2)から放出される光をレンズ部(7)を介して高い指向性で集束させるため、円錐面の底面に対する傾斜角度は30゜以上に設定される。
[12] 発光ダイオード(2)が配置されるリフレクタ(3)の内部空洞(3a)にボイドが発生せずに樹脂を良好に充填することができる。
Claims (7)
- 金属製の支持板に上方に向かって拡径する内部空洞を有する光反射性のリフレクタを設けた組立体を準備する工程と、
前記支持板上に半導体発光素子を固着する工程と、
配線導体と前記半導体発光素子とを電気的に接続する工程と、
成形型のキャビティ内に前記支持板とリフレクタとを配置し、前記支持板及びリフレクタを成形型の上型と下型により挟持して、前記リフレクタの上面を密閉する工程と、
前記成形型のキャビティ内に流動性の樹脂を注入して、樹脂封止体を形成する工程とを含むことを特徴とする半導体発光装置の製法。 - 前記リフレクタの上面を覆って前記樹脂封止体の上面に光透過性又は透明の樹脂から成るレンズ部を形成する工程を含む請求項1に記載の半導体発光装置の製法。
- 前記リフレクタの上部にカバーを配置して、該カバーを介して前記上型と下型との間に前記リフレクタと支持板とを挟持する工程を含む請求項1又は2に記載の半導体発光装置の製法。
- 前記キャビティの底面にシートを配置し、該シート上に前記支持板とリフレクタとを配置して、前記成形型の上型と下型により前記シート、支持板及びリフレクタを挟持する工程を含む請求項1〜3の何れか1項に記載の半導体発光装置の製法。
- 前記リフレクタの上部にカバーを配置して、該カバーを介して前記上型と下型との間に前記リフレクタと支持板とを挟持する工程又は前記キャビティの底面にシートを配置し、該シート上に前記支持板とリフレクタとを配置して、前記成形型の上型と下型により前記シート、支持板及びリフレクタを挟持する工程を含み、
前記カバー、支持板及びリフレクタの合計高さ又は前記シート、支持板及びリフレクタの合計高さは、前記キャビティの高さより大きい請求項1又は2に記載の半導体発光装置の製法。 - 前記リフレクタに形成された切欠部内にリード細線を配置して前記配線導体と前記半導体発光素子とを前記リード細線により電気的に接続する工程を含む請求項1〜5の何れか1項に記載の半導体発光装置の製法。
- 前記半導体発光素子と前記リフレクタに形成された平坦部との間にリード細線を接続し、前記リフレクタを前記配線導体に電気的に接続する工程を含む請求項1〜5の何れか1項に記載の半導体発光装置の製法。
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
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JP2002179245 | 2002-06-19 | ||
JP2002179230 | 2002-06-19 | ||
JP2002179244 | 2002-06-19 | ||
JP2002179240 | 2002-06-19 | ||
JP2002179245 | 2002-06-19 | ||
JP2002179230 | 2002-06-19 | ||
JP2002179244 | 2002-06-19 | ||
JP2002179240 | 2002-06-19 | ||
PCT/JP2003/007359 WO2004001862A1 (ja) | 2002-06-19 | 2003-06-10 | 半導体発光装置及びその製法並びに半導体発光装置用リフレクタ |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
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JP2006331863A Division JP4572892B2 (ja) | 2002-06-19 | 2006-12-08 | 半導体発光装置及びその製法並びに半導体発光装置用リフレクタ |
JP2006331824A Division JP4572891B2 (ja) | 2002-06-19 | 2006-12-08 | 半導体発光装置 |
Publications (2)
Publication Number | Publication Date |
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JPWO2004001862A1 JPWO2004001862A1 (ja) | 2005-10-27 |
JP3912607B2 true JP3912607B2 (ja) | 2007-05-09 |
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JP2004515486A Expired - Fee Related JP3912607B2 (ja) | 2002-06-19 | 2003-06-10 | 半導体発光装置の製法 |
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Country | Link |
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US (1) | US7429757B2 (ja) |
JP (1) | JP3912607B2 (ja) |
CN (1) | CN100338786C (ja) |
WO (1) | WO2004001862A1 (ja) |
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US7429757B2 (en) | 2008-09-30 |
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CN100338786C (zh) | 2007-09-19 |
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