JP2018507566A - リードフレーム及びこれを含む半導体パッケージ - Google Patents
リードフレーム及びこれを含む半導体パッケージ Download PDFInfo
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- F21S4/00—Lighting devices or systems using a string or strip of light sources
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- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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- 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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- H01L2224/484—Connecting portions
- H01L2224/48463—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond
- H01L2224/48465—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond the other connecting portion not on the bonding area being a wedge bond, i.e. ball-to-wedge, regular stitch
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Abstract
Description
本発明において、1つ以上のアノード10及びカソード20が使用可能である。
成形部30は、アノード10及びカソード20を封止する射出成形品である。すなわち、アノード10及びカソード20は、成形部30に挿入された構造で形成されている。
リードフレームの両端の電極には、電力を印加するための端子部90及び91が成形されずに露出されている。リードフレームは、端子部90及び91を介して外部に電気を流すことができる。リードフレームの両端部における端子部90及び91は、リードフレームが雄雌固定方法によって接続されることができるように雄雌構造を有する。端子部90及び91には、それぞれ、固定孔95及び96が形成されていることが望ましい。固定孔95及び96は、端子部90及び91に蓄えられた熱を外部に放出することができるため、固定孔95及び96はまた、一種の放熱孔ともいうことができる。
図1乃至図4に示すように、放熱孔40は、上部から下部までリードフレームを貫通している。すなわち、放熱孔40は、アノード10及び/又はカソード20並びに成形部30を貫通している。リードフレームは、1つ以上の放熱孔40を含む。リードフレームの熱は、放熱孔40を介して外部に放出されることができる。特に、放熱孔40は、上部から下部までリードフレームを貫通していることから、熱は、上部及び下部の双方に放出されることができ、それによって放熱効果を高めることができる。
アノード及びカソードを電気的に絶縁する電極絶縁孔45は、アノード10がカソード20に隣接する部分において、アノード10及び/又はカソード20並びに成形部30を同時に貫通するように形成されている。
チップ搭載部50は、電気を通す役割を果たすように半導体チップと接続されている。図1及び図2に示すように、リードフレームは、その上部に形成され且つ取り付け対象の半導体チップ55のものよりも広い表面積を有する1つ以上のチップ搭載部50を含む。ここで、チップ搭載部50の表面積は、取り付け対象の半導体チップ55の放熱特性に応じて調整されてもよい。チップ搭載部50の表面積は、取り付け対象の半導体チップ55のものよりも2.5倍大きいことが好ましい。
図1及び図2に示すように、リードフレームは、リードフレームの上部に形成され、成形部30によって封止されておらず、アノード10又はカソード20を外部に露出させる1つ以上の上部開口70及び71を含む。電極は、放熱効果が向上することができるように、上部開口70及び71を介して外気と直接接触する。従来のリードフレームは、リードフレームの下部に開口を有しているが、本発明の例示的な実施形態にかかるリードフレームは、下部開口に加えて、上部開口70及び71を含み、その結果、熱が双方向に放出されることができ、それによって放熱効果を著しく向上させることができる。半導体チップ又はLED素子において発生した熱がアノード又はカソードに伝達されると、熱はまた、上向き並びに下向きに放出されることができ、それによって放熱効果を最大化することができる。
図3に示すように、リードフレームは、リードフレームの下部におけるチップ搭載部50に対応する位置に形成され、成形部30によって封止されておらず、アノード10を外部に露出させる1つ以上の第1の下部開口60を含む。
図3に示すように、リードフレームは、リードフレーム下部における上部開口70及び71に対応する位置に形成され、成形部30によって封止されておらず、アノード10及びカソード20を外部に露出させる1つ以上の第2の下部開口80を含む。
図7は、従来及び本発明のリードフレームの放熱特性を示している。
20::カソード
30:成形部
40:放熱孔
45、46、47、48:電極絶縁孔
50:チップ搭載部
55:半導体チップ
60:第1の下部開口
70、71:上部開口
80:第2の下部開口
90:雄端子部
91:雌端子部
95、95:固定孔
Claims (13)
- 半導体パッケージ用のリードフレームにおいて、
互いに離間された状態で配設された1つの以上のアノード10及び1つ以上のカソード20と、
前記アノード10及び前記カソード20を封止する成形部30と、
前記アノード10及び前記カソード20の先端に配設された端子部90及び91と、
前記リードフレームの上部及び下部に形成され、前記アノード10及び/又は前記カソード20、並びに前記成形部30を貫通する1つ以上の放熱孔40と、
前記リードフレームの上部に形成され、取り付け対象の半導体チップ55の表面積よりも広い表面積を有する1つ以上のチップ搭載部50と、
前記リードフレームの上部に形成され、前記成形部30によって封止されておらず、前記アノード10又は前記カソード20を外部に露出させる1つ以上の上部開口70、71と、
前記リードフレームの下部における前記チップ搭載部50に対応する位置に形成され、前記成形部30によって封止されておらず、前記アノード10又は前記カソード20を前記外部に露出される1つ以上の第1の下部開口60と、
前記リードフレームの下部における前記上部開口70に対応する位置に形成され、前記成形部30によって封止されておらず、前記アノード10又は前記カソード20を前記外部に露出させる1つ以上の第2の下部開口80とを備える、リードフレーム。 - 前記上部開口及び前記下部開口は、電力が印加されたときに前記リードフレーム自体がヒートシンクとして機能するように熱を放出するのに十分な面積の領域を有する、請求項1に記載のリードフレーム。
- さらに、
前記アノードが前記カソードに隣接した部分に形成された電極絶縁孔45は、前記アノード及び/又は前記カソード、並びに前記成形部を同時に貫通し、前記アノード及び電気的にカソードを電気的に絶縁する、請求項1に記載のリードフレーム。 - 前記1つ以上の放熱孔は、前記上部開口及び前記第2の下部開口を貫通する、請求項1に記載のリードフレーム。
- 前記第1の下部開口及び前記第2の下部開口の面積が、半導体装置の面積の2.5倍以上である、請求項1に記載のリードフレーム。
- 前記電極絶縁孔の数は2以上である、請求項1に記載のリードフレーム。
- 前記電極絶縁孔の直径は5mm以下である、請求項1に記載のリードフレーム。
- 前記アノード及び前記カソードは、雄雌固定方法によって固定される、請求項1に記載のリードフレーム。
- 前記端子部90、91のうちの1つ以上は、固定孔95、96を含む、請求項1に記載のリードフレーム。
- 前記チップ搭載部50の表面積は、前記取り付け対象の半導体チップ55の放熱特性に応じて調整される、請求項1に記載のリードフレーム。
- 前記チップ搭載部50の表面積は、前記取り付け対象の半導体チップ55の表面積の2.5倍以上である、請求項1に記載のリードフレーム。
- 半導体チップと、前記半導体チップと電気的に接続された請求項1乃至11のうちのいずれか1項に記載のリードフレームとを備える半導体パッケージ。
- 請求項12に記載の半導体パッケージを備える照明装置。
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Application Number | Priority Date | Filing Date | Title |
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KR10-2015-0029253 | 2015-03-02 | ||
KR1020150029253A KR20160106396A (ko) | 2015-03-02 | 2015-03-02 | 리드프레임 및 이를 포함하는 반도체 패키지 |
PCT/KR2015/002091 WO2016140383A1 (ko) | 2015-03-02 | 2015-03-04 | 리드프레임 및 이를 포함하는 반도체 패키지 |
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JP2017565028A Pending JP2018507566A (ja) | 2015-03-02 | 2015-03-04 | リードフレーム及びこれを含む半導体パッケージ |
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US (1) | US10593613B2 (ja) |
EP (1) | EP3267500B1 (ja) |
JP (1) | JP2018507566A (ja) |
KR (1) | KR20160106396A (ja) |
CN (1) | CN107408548B (ja) |
WO (1) | WO2016140383A1 (ja) |
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JP2020120037A (ja) * | 2019-01-25 | 2020-08-06 | トヨタ自動車株式会社 | 半導体モジュールの製造方法 |
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KR101340029B1 (ko) * | 2013-06-14 | 2013-12-18 | (주)버금기술 | 반도체 패키지용 리드프레임 및 그 조립체 |
WO2014115986A1 (ko) * | 2013-01-24 | 2014-07-31 | 주식회사 트루스타 | Led 램프용 전극모듈 |
US20140259654A1 (en) * | 2013-03-14 | 2014-09-18 | Bardwell & Mcalister Inc. | Method of manufacturing led module |
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CN101315961A (zh) * | 2007-06-01 | 2008-12-03 | 一诠精密工业股份有限公司 | 发光二极管导线架及其制造方法 |
KR101193909B1 (ko) | 2009-12-31 | 2012-10-29 | 장광균 | Led 조명용 리드 프레임 및 그 제조방법 |
US8809820B2 (en) * | 2010-01-27 | 2014-08-19 | Heraeus Noblelight Fusion Uv Inc. | Micro-channel-cooled high heat load light emitting device |
KR101719644B1 (ko) | 2010-05-24 | 2017-04-04 | 서울반도체 주식회사 | Led패키지 |
CN103154607A (zh) * | 2010-09-13 | 2013-06-12 | Bk科技株式会社 | 提高了散热特性的高光度led光源构造体 |
TWM400099U (en) * | 2010-09-27 | 2011-03-11 | Silitek Electronic Guangzhou | Lead frame, package structure and lighting device thereof |
US20120286297A1 (en) * | 2011-05-09 | 2012-11-15 | Taiwan Micropaq Corporation | Led package structure and module thereof |
KR20130006858A (ko) * | 2011-06-24 | 2013-01-18 | 현대중공업 주식회사 | Pdms를 이용한 블록 bom 자동화시스템 |
JP5818149B2 (ja) | 2011-09-09 | 2015-11-18 | 大日本印刷株式会社 | 樹脂付リードフレーム、半導体装置、照明装置、樹脂付リードフレームの製造方法および半導体装置の製造方法 |
-
2015
- 2015-03-02 KR KR1020150029253A patent/KR20160106396A/ko not_active Application Discontinuation
- 2015-03-04 JP JP2017565028A patent/JP2018507566A/ja active Pending
- 2015-03-04 WO PCT/KR2015/002091 patent/WO2016140383A1/ko active Application Filing
- 2015-03-04 EP EP15884049.6A patent/EP3267500B1/en active Active
- 2015-03-04 CN CN201580077414.7A patent/CN107408548B/zh active Active
- 2015-03-04 US US15/555,359 patent/US10593613B2/en active Active
Patent Citations (3)
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WO2014115986A1 (ko) * | 2013-01-24 | 2014-07-31 | 주식회사 트루스타 | Led 램프용 전극모듈 |
US20140259654A1 (en) * | 2013-03-14 | 2014-09-18 | Bardwell & Mcalister Inc. | Method of manufacturing led module |
KR101340029B1 (ko) * | 2013-06-14 | 2013-12-18 | (주)버금기술 | 반도체 패키지용 리드프레임 및 그 조립체 |
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Publication number | Publication date |
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CN107408548A (zh) | 2017-11-28 |
KR20160106396A (ko) | 2016-09-12 |
EP3267500A4 (en) | 2018-10-31 |
CN107408548B (zh) | 2020-09-08 |
WO2016140383A1 (ko) | 2016-09-09 |
EP3267500A1 (en) | 2018-01-10 |
US20180068933A1 (en) | 2018-03-08 |
US10593613B2 (en) | 2020-03-17 |
EP3267500B1 (en) | 2019-09-04 |
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