JP4817845B2 - 発光装置の製造方法 - Google Patents
発光装置の製造方法 Download PDFInfo
- Publication number
- JP4817845B2 JP4817845B2 JP2005514318A JP2005514318A JP4817845B2 JP 4817845 B2 JP4817845 B2 JP 4817845B2 JP 2005514318 A JP2005514318 A JP 2005514318A JP 2005514318 A JP2005514318 A JP 2005514318A JP 4817845 B2 JP4817845 B2 JP 4817845B2
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- Prior art keywords
- light emitting
- emitting device
- substrate
- aluminum nitride
- light
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/8506—Containers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/855—Optical field-shaping means, e.g. lenses
- H10H20/856—Reflecting means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/858—Means for heat extraction or cooling
- H10H20/8581—Means for heat extraction or cooling characterised by their material
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/858—Means for heat extraction or cooling
- H10H20/8585—Means for heat extraction or cooling being an interconnection
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/50—Bond wires
- H10W72/531—Shapes of wire connectors
- H10W72/5363—Shapes of wire connectors the connected ends being wedge-shaped
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/721—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bump connectors
- H10W90/724—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bump connectors between a chip and a stacked insulating package substrate, interposer or RDL
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
- H10W90/754—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked insulating package substrate, interposer or RDL
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- Led Device Packages (AREA)
Description
各実施例用および比較例用の基板として、表1に示すような厚さおよび熱伝導率を有する窒化アルミニウム(AlN)基板,エポキシ樹脂基板およびアルミナ(Al2O3)基板を多数用意した。各実施例用の窒化アルミニウム(AlN)基板および比較例用のアルミナ(Al2O3)基板は、同時焼成法によって製造されたものであり、基板の厚さ方向に貫通するビアホールが形成されていると共に、ビアホールの基板裏面側の端部には部品のリードを接合するための端子導体部分としてのランドが形成されている。
図5(a)、(b)で示すように、実施例1で調製した発光装置で導電層となる金属蒸着膜14、14間に形成される隙間(パターン間ギャップ)17に、白色のソルダーレジストインクをスクリーン印刷によって塗布印刷して白色レジスト膜18を形成した。しかる後に、フリップチップ用バンプ19を介して発光素子としてのLEDチップ12を金属蒸着膜14上に搭載固定することにより、実施例25に係る発光装置を製造した。
一方、図6(a)、(b)で示すように、金属蒸着膜14、14間に形成される隙間17に、白色レジスト膜を形成しない点以外は、上記実施例25と同様に処理し、フリップチップ用バンプ19を介してLEDチップ12を金属蒸着膜14上に搭載固定することにより、比較例12に係る発光装置を製造した。
Claims (4)
- 窒化アルミニウム基板からなる同時焼成基板の表面に発光素子が搭載された発光装置の製造方法であり、
上記発光素子が搭載される窒化アルミニウム基板の表面と裏面とを貫通し発光素子に裏面から導通させるためのビアホールが形成されている同時焼成基板を調製する工程と、
上記窒化アルミニウム基板の発光素子が搭載される表面が0.1〜0.3μmRaの表面粗さを有するように鏡面研磨する工程と、
上記発光素子の周囲となる窒化アルミニウム基板表面に、発光素子からの発光の反射率が90%以上であるアルミニウムまたは銀から成る金属蒸着膜を形成する工程と、
上記発光素子をフリップチップ法により窒化アルミニウム基板に実装する工程とを含むことを特徴とする発光装置の製造方法。 - 請求項1記載の発光装置の製造方法において、前記発光素子としてLEDチップが搭載されている他に逆電流防止用のダイオード、抵抗、サーミスタの少なくとも1種の周辺部品を前記窒化アルミニウム基板に搭載する工程を有することを特徴とする発光装置の製造方法。
- 請求項1記載の発光装置の製造方法において、前記金属蒸着膜が形成されている領域以外で窒化アルミニウム基板の表面が露出している部位に白色のレジスト膜を塗布する工程を有することを特徴とする発光装置の製造方法。
- 請求項3記載の発光装置の製造方法において、前記レジスト膜を塗布する工程は、ソルダーレジストインクから成るレジスト膜をスクリーン印刷法で形成する工程であることを特徴とする発光装置の製造方法。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005514318A JP4817845B2 (ja) | 2003-09-30 | 2004-09-29 | 発光装置の製造方法 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003341016 | 2003-09-30 | ||
| JP2003341016 | 2003-09-30 | ||
| JP2005514318A JP4817845B2 (ja) | 2003-09-30 | 2004-09-29 | 発光装置の製造方法 |
| PCT/JP2004/014686 WO2005031882A1 (ja) | 2003-09-30 | 2004-09-29 | 発光装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007189139A Division JP4818215B2 (ja) | 2003-09-30 | 2007-07-20 | 発光装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2005031882A1 JPWO2005031882A1 (ja) | 2006-12-07 |
| JP4817845B2 true JP4817845B2 (ja) | 2011-11-16 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005514318A Expired - Lifetime JP4817845B2 (ja) | 2003-09-30 | 2004-09-29 | 発光装置の製造方法 |
| JP2007189139A Expired - Fee Related JP4818215B2 (ja) | 2003-09-30 | 2007-07-20 | 発光装置 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007189139A Expired - Fee Related JP4818215B2 (ja) | 2003-09-30 | 2007-07-20 | 発光装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8610145B2 (ja) |
| EP (1) | EP1670073B1 (ja) |
| JP (2) | JP4817845B2 (ja) |
| KR (1) | KR100808705B1 (ja) |
| CN (1) | CN100442551C (ja) |
| TW (1) | TWI253767B (ja) |
| WO (1) | WO2005031882A1 (ja) |
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- 2004-09-29 WO PCT/JP2004/014686 patent/WO2005031882A1/ja not_active Ceased
- 2004-09-29 CN CNB2004800282708A patent/CN100442551C/zh not_active Expired - Lifetime
- 2004-09-29 JP JP2005514318A patent/JP4817845B2/ja not_active Expired - Lifetime
- 2004-09-29 EP EP04773617.8A patent/EP1670073B1/en not_active Expired - Lifetime
- 2004-09-29 KR KR1020067006183A patent/KR100808705B1/ko not_active Expired - Lifetime
- 2004-09-30 TW TW093129685A patent/TWI253767B/zh not_active IP Right Cessation
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Also Published As
| Publication number | Publication date |
|---|---|
| EP1670073B1 (en) | 2014-07-02 |
| KR20060083984A (ko) | 2006-07-21 |
| JP2007266647A (ja) | 2007-10-11 |
| CN1860620A (zh) | 2006-11-08 |
| JPWO2005031882A1 (ja) | 2006-12-07 |
| EP1670073A4 (en) | 2008-07-02 |
| TW200522394A (en) | 2005-07-01 |
| EP1670073A1 (en) | 2006-06-14 |
| US20070200128A1 (en) | 2007-08-30 |
| US8610145B2 (en) | 2013-12-17 |
| CN100442551C (zh) | 2008-12-10 |
| WO2005031882A1 (ja) | 2005-04-07 |
| JP4818215B2 (ja) | 2011-11-16 |
| KR100808705B1 (ko) | 2008-02-29 |
| TWI253767B (en) | 2006-04-21 |
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