JP4715422B2 - 発光装置 - Google Patents
発光装置 Download PDFInfo
- Publication number
- JP4715422B2 JP4715422B2 JP2005279110A JP2005279110A JP4715422B2 JP 4715422 B2 JP4715422 B2 JP 4715422B2 JP 2005279110 A JP2005279110 A JP 2005279110A JP 2005279110 A JP2005279110 A JP 2005279110A JP 4715422 B2 JP4715422 B2 JP 4715422B2
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- light
- emitting element
- side wall
- emitting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- H10H20/81—Bodies
- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
-
- 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
- H10H20/857—Interconnections, e.g. lead-frames, bond wires or solder balls
-
- 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
- H10W72/536—Shapes of wire connectors the connected ends being ball-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
- 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
-
- 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
-
- 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
- H10W90/756—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked lead frame, conducting package substrate or heat sink
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S362/00—Illumination
- Y10S362/80—Light emitting diode
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- Led Device Packages (AREA)
Description
また、上記凹部の開口部において、上記第一の側壁面の一部が上記金属部材から露出され、上記第二の側壁面が上記被覆部材を保持する突出部を有していることが好ましい。
本形態の支持体とは、発光素子を搭載する凹部を有し、光反射壁や導体配線としての金属部材を配置することができる部材である。したがって、本形態の支持体は、アルミ、鉄入り銅を主な材料とするリードフレームや、そのようなリードフレームを樹脂にインサート成型させたパッケージとすることができる。
本形態における発光素子は、発光ダイオードやレーザダイオードなど、発光装置の光源となり得るものである。本形態における支持体には、発光素子とともに、受光素子、およびそれらの半導体素子を過電圧による破壊から守る保護素子(例えば、ツェナーダイオードやコンデンサー)、あるいはそれらを組み合わせたものを搭載することができる。
本形態における被覆部材(「封止部材」と呼ぶこともある。)とは、支持体の凹部内に載置された半導体素子や導電性ワイヤなどを塵芥、水分や外力などから保護する部材である。本被覆部材の材料としては、例えば、シリコーン樹脂、エポキシ樹脂やユリア樹脂が挙げられる。被覆部材は、所望に応じて着色剤、光安定化剤、蛍光物質など種々のものを含有させることもできる。具体的には、発光素子の発光波長や受光波長に応じて、不要な波長をカットする目的で顔料や染料などの着色剤を含有させる。
本形態における保持手段とは、支持体に配された被覆部材が支持体から脱落しないように、その被覆部材を支持体に保持するためのものである。このような保持手段の具体的な形状は、支持体の凹部の内壁に突起、鈎がついているものなどが挙げられる。特に、支持体の凹部の開口方向に、その内径が狭くなるように、凹部の内壁面の一部を突出させた突出部を保持手段として好適に選択することができる。また、このような保持手段は、複数箇所に分設させることもできるし、種々の形状を複数組み合わせることもできる。
101a、101b・・・導体配線
102a、102b、102c・・・第一の金属部材
103a、103b・・・第二の金属部材
104a、104b・・・貫通部
105a、105b、105c・・・発光素子
106・・・導電性ワイヤ
107・・・支持体
108・・・突出部
109・・・段差部
201a、201b・・・電極
202a、202b・・・第三の金属部材
301・・・第一の側壁面
302・・・第二の側壁面
Claims (2)
- 長方形の外形を有する発光素子と、その発光素子を底面に配置する凹部を有する支持体と、前記凹部の側壁面に配置させた金属部材と、前記発光素子を覆う被覆部材と、を備えた発光装置であって、
前記凹部の側壁面は、前記発光素子との距離が最も近い第一の側壁面と、前記発光素子との距離が最も遠い第二の側壁面と、を有しており、
前記発光素子は、前記凹部の開口方向から見て、その外形を成す辺のうち最も短い辺を、前記第一の側壁面に向けて、その短軸方向と、前記凹部の長方形の開口形状の長軸方向とを一致させて配置されていることを特徴とする発光装置。 - 前記凹部の開口部において、前記第一の側壁面の一部が前記金属部材から露出され、前記第二の側壁面が前記被覆部材を保持する突出部を有している請求項1に記載の発光装置。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005279110A JP4715422B2 (ja) | 2005-09-27 | 2005-09-27 | 発光装置 |
| EP06020078.9A EP1768193B1 (en) | 2005-09-27 | 2006-09-26 | Light emitting diode |
| US11/527,387 US7445354B2 (en) | 2005-09-27 | 2006-09-27 | Light emitting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005279110A JP4715422B2 (ja) | 2005-09-27 | 2005-09-27 | 発光装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007095722A JP2007095722A (ja) | 2007-04-12 |
| JP2007095722A5 JP2007095722A5 (ja) | 2008-07-10 |
| JP4715422B2 true JP4715422B2 (ja) | 2011-07-06 |
Family
ID=37467598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005279110A Expired - Fee Related JP4715422B2 (ja) | 2005-09-27 | 2005-09-27 | 発光装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7445354B2 (ja) |
| EP (1) | EP1768193B1 (ja) |
| JP (1) | JP4715422B2 (ja) |
Families Citing this family (120)
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| EP1768193A3 (en) | 2012-02-15 |
| EP1768193A2 (en) | 2007-03-28 |
| EP1768193B1 (en) | 2015-07-29 |
| JP2007095722A (ja) | 2007-04-12 |
| US7445354B2 (en) | 2008-11-04 |
| US20070096114A1 (en) | 2007-05-03 |
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