JP2006527501A - 発光素子及び発光素子の蛍光体 - Google Patents
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
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- H01—ELECTRIC ELEMENTS
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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
- H01L2224/481—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
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- 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
- H01L2224/48257—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 die pad of the item
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L2224/85—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a wire connector
- H01L2224/85909—Post-treatment of the connector or wire bonding area
- H01L2224/8592—Applying permanent coating, e.g. protective coating
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- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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- H—ELECTRICITY
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- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
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- H10H20/80—Constructional details
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- H10H20/851—Wavelength conversion means
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- 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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
Description
一方、白色光の特性を分析することにおいて使用される指標として、相関色温度(CCT:Correlated Color Temperature)演色性指数(CRI:Color Rendering Index)がある。
図1は本発明の思想にしたがって表面実長型(SMD)形態に製作された白色発光素子の断面図である。
詳細に説明すると、前記蛍光体層(170)にはSr3-xSiO5:Eu2+x(0<x≦1)であるシリルケート系黄色蛍光体(172)とBa2-xSiO4:Eu2+x(0.001≦x≦1)又はCa1-xMgSi2O7:Eu2+x(0.001≦x≦1)又はSr2-xSiO4:Eu2+x(0.001≦x≦1)の中で選択されるシリルケート系緑色蛍光体(174)が混合している。
ここで、前記蛍光体層(170)に混入されるシリルケート系黄色蛍光体(172)とシリルケート系緑色蛍光体(174)の混合割合は1:1〜1:9又は1:9〜1:1の割合になることができる。
前記蛍光体層(270)は前記発光チップ(230)で発生される光が通過されるようにするために、前記発光チップ(230)を全体的に取り囲んでいる。
本発明による発光素子はキーパッドのバックライト白色光源として使われることができる。
そして、説明されない具体的な条件は図1に関連する説明がそのまま引用されて製造されることができる。
Claims (20)
- 発光チップ、及び
前記発光チップから出射される出射光が通過される蛍光体が含まれて、
前記蛍光体には前記出射光によって第1主ピークの光が励起される第1シリルケート系蛍光体と、前記出射光によって第2主ピークの光が励起される第2シリルケート系蛍光体が混合する発光素子。 - 前記第1周ピークは550〜600nm領域であることを特徴とする、請求項1に記載の発光素子。
- 前記第2主ピークは500〜550nm領域であることを特徴とする、請求項1に記載の発光素子。
- 前記第1シリルケート系蛍光体は、 Sr3-xSiO5:Eu2+x(0 < x ≦1)の化学式を持つことを特徴とする、請求項1に記載の発光素子。
- 前記第2シリルケート系蛍光体は、 Ba2-xSiO4:Eu2+x(0.001≦x ≦1)、 Ca1-xMgSi2O7:Eu2+x(0.001≦x ≦1)、及びSr2-xSiO4:Eu2+x(0.001≦x ≦1)の中で選択されることを特徴とする、請求項1に記載の発光素子。
- 前記第1シリルケート系蛍光体と第2シリルケート系蛍光体の割合は1 : 1 〜 1 : 9又は9 : 1 〜 1 : 1であることを特徴とする、請求項1に記載の発光素子。
- 前記蛍光体の粒子の大きさはd90≦20μm、5≦d50 ≦10μmであることを特徴とする、請求項1に記載の発光素子。
- 前記発光チップは青色光を出射することを特徴とする、請求項1に記載の発光素子。
- 前記蛍光体は前記発光チップ周囲又は上側にモールドされることを特徴とする、請求項1に記載の発光素子。
- 前記蛍光体は光透過樹脂に前記蛍光体が混入されて製作されることを特徴とする、請求項1に記載の発光素子。
- 前記樹脂はエポックの時樹脂又はシリコン樹脂であることを特徴とする、請求項10に記載の発光素子。
- 前記第1シリルケート蛍光体は黄色系列で、前記第2シリルケート系蛍光体は緑色系列であることを特徴とする、請求項1に記載の発光素子。
- 発光チップで発生される光によって励起される化学式Sr3-xSiO5:Eu2+x(0 < x ≦1)である第1シリルケート系蛍光体、及び
前記発光チップで発生される光によって励起される化学式Ba2-xSiO4:Eu2+x(0.001≦x≦1)、 Ca1-xMgSi2O7:Eu2+x(0.001≦x≦1)、及びSr2-xSiO4:Eu2+x(0.001≦x≦1)の中で選択される第2シリルケート系蛍光体が混入される発光素子の蛍光体。 - 基板と、
光を発する発光チップと、
前記基板と前記発光チップの間の通電のための連結部と、
前記発光チップを取り囲む前記光が通過される蛍光体と、
前記蛍光体に含まれるSr3-xSiO5:Eu2+x(0 < x ≦ 1)化学式の第1シリルケート系蛍光体、及び
前記蛍光体に含まれるBa2-xSiO4:Eu2+x(0.001≦x ≦1) 、Ca1-xMgSi2O7:Eu2+x(0.001≦x≦1)、 Sr2-xSiO4:Eu2+x(0.001≦x≦1)の中で選択される第2シリルケート系蛍光体が含まれる発光素子。 - 前記発光素子がトップビュー方式の場合には、前記第1シリルケート系蛍光体と第2シリルケート系蛍光体の割合が1 : 2 〜 1 : 3で製造されることを特徴とする、請求項14に記載の発光素子。
- 前記発光素子がサイドビュー方式の場合には、前記第1シリルケート系蛍光体と第2シリルケート系蛍光体の割合が1 : 3 〜 1 : 4で製造されることを特徴とする、請求項14に記載の発光素子。
- リードフレームと、
光を発する発光チップと、
前記リードプレームと前記発光チップの間の通電のための連結部と、
前記発光チップを取り囲みモールディングされ前記光が通過される蛍光体、及び
前記蛍光体にはSr3-xSiO5:Eu2+x(0 < x ≦1)の造成を持つ第1シリルケート系蛍光体とBa2-xSiO4:Eu2+x(0.001≦x ≦1)、 Ca1-xMgSi2O7:Eu2+x(0.001≦x ≦1)、及びSr2-xSiO4:Eu2+x(0.001≦x ≦1)の中で選択されるある一つの第2シリルケート系蛍光体が含まれる白色発光素子。 - 発光チップ、及び
前記発光チップから出射される出射光が通過される樹脂材ベースの蛍光体が含まれて、
前記蛍光体には前記出射光によって第1主ピークの光が励起される黄色シリルケート系蛍光体と、前記出射光によって第2主ピークの光が励起される緑色シリルケート系蛍光体が混合していて、
前記緑色シリルケート蛍光体と黄色シリルケート系蛍光体の混合割合は1 : 2 〜 1 : 5の範囲内に置かれる発光素子。 - 白色光が出射されるために、
前記樹脂材備蛍光体の割合は15 〜 30 wt%であることを特徴とする、請求項18に記載の発光素子。 - 青白色光(bluish white)が出射されるために、
前記樹脂材備蛍光体の割合は5 〜 15 wt%であることを特徴とする、請求項18に記載の発光素子。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040023695A KR100605211B1 (ko) | 2004-04-07 | 2004-04-07 | 형광체 및 이를 이용한 백색 발광다이오드 |
| PCT/KR2005/001008 WO2005098972A1 (en) | 2004-04-07 | 2005-04-07 | Light emitting device and phosphor for the same |
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| Publication Number | Publication Date |
|---|---|
| JP2006527501A true JP2006527501A (ja) | 2006-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2006516970A Pending JP2006527501A (ja) | 2004-04-07 | 2005-04-07 | 発光素子及び発光素子の蛍光体 |
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| Country | Link |
|---|---|
| US (1) | US7531956B2 (ja) |
| EP (1) | EP1733441B1 (ja) |
| JP (1) | JP2006527501A (ja) |
| KR (1) | KR100605211B1 (ja) |
| CN (1) | CN1788361B (ja) |
| DE (1) | DE602005024941D1 (ja) |
| WO (1) | WO2005098972A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006274263A (ja) * | 2005-03-25 | 2006-10-12 | Sarnoff Corp | 金属ケイ酸塩−シリカ系多形蛍光体および発光装置 |
| JP2007227928A (ja) * | 2006-02-22 | 2007-09-06 | Samsung Electro-Mechanics Co Ltd | 白色発光装置 |
| JP2007231165A (ja) * | 2006-03-01 | 2007-09-13 | Canon Inc | 緑色蛍光体及びその製造方法 |
| JP2016115941A (ja) * | 2014-12-16 | 2016-06-23 | シチズン電子株式会社 | 発光装置 |
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| KR100658700B1 (ko) | 2004-05-13 | 2006-12-15 | 서울옵토디바이스주식회사 | Rgb 발광소자와 형광체를 조합한 발광장치 |
| KR100665299B1 (ko) | 2004-06-10 | 2007-01-04 | 서울반도체 주식회사 | 발광물질 |
| US8318044B2 (en) | 2004-06-10 | 2012-11-27 | Seoul Semiconductor Co., Ltd. | Light emitting device |
| KR100665298B1 (ko) * | 2004-06-10 | 2007-01-04 | 서울반도체 주식회사 | 발광장치 |
| US7601276B2 (en) * | 2004-08-04 | 2009-10-13 | Intematix Corporation | Two-phase silicate-based yellow phosphor |
| DE102005005263A1 (de) * | 2005-02-04 | 2006-08-10 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Gelb emittierender Leuchtstoff und Lichtquelle mit derartigem Leuchtstoff |
| WO2007018260A1 (ja) * | 2005-08-10 | 2007-02-15 | Mitsubishi Chemical Corporation | 蛍光体及びそれを用いた発光装置 |
| JP5118837B2 (ja) * | 2005-10-25 | 2013-01-16 | インテマティックス・コーポレーション | シリケート系オレンジ色蛍光体 |
| KR101055772B1 (ko) | 2005-12-15 | 2011-08-11 | 서울반도체 주식회사 | 발광장치 |
| KR100809639B1 (ko) * | 2006-02-20 | 2008-03-05 | 특허법인 맥 | 혼합 형광체 및 이를 이용한 백색 발광 장치 |
| US7808004B2 (en) * | 2006-03-17 | 2010-10-05 | Edison Opto Corporation | Light emitting diode package structure and method of manufacturing the same |
| KR100875443B1 (ko) | 2006-03-31 | 2008-12-23 | 서울반도체 주식회사 | 발광 장치 |
| CN101077973B (zh) * | 2006-05-26 | 2010-09-29 | 大连路明发光科技股份有限公司 | 硅酸盐荧光材料及其制造方法以及使用其的发光装置 |
| US7820075B2 (en) * | 2006-08-10 | 2010-10-26 | Intematix Corporation | Phosphor composition with self-adjusting chromaticity |
| KR20080065451A (ko) * | 2007-01-09 | 2008-07-14 | 삼성전기주식회사 | Led 패키지 |
| KR20080069765A (ko) * | 2007-01-24 | 2008-07-29 | 엘지이노텍 주식회사 | 형광체 제조 방법 및 그 형광체를 이용한 발광 다이오드 |
| CN101086527B (zh) * | 2007-07-11 | 2010-08-25 | 浙江大学 | 一种探测入射激光方向的方法及信号探测装置 |
| KR100902416B1 (ko) * | 2007-12-26 | 2009-06-11 | 한국화학연구원 | 스트론튬-마그네슘-실리케이트계 백색 형광체 및 이를이용한 백색 발광 다이오드 |
| KR101098006B1 (ko) * | 2009-09-29 | 2011-12-23 | 한국화학연구원 | (할로)실리케이트계 형광체 및 이의 제조방법 |
| TWI421328B (zh) | 2011-09-06 | 2014-01-01 | Ind Tech Res Inst | 螢光材料與白光發光裝置 |
| CN103375708B (zh) * | 2012-04-26 | 2015-10-28 | 展晶科技(深圳)有限公司 | 发光二极管灯源装置 |
| KR101897097B1 (ko) | 2012-05-31 | 2018-09-11 | 엘지이노텍 주식회사 | 에폭시 수지 조성물 및 발광장치 |
| KR101905834B1 (ko) | 2012-05-31 | 2018-10-08 | 엘지이노텍 주식회사 | 에폭시 수지 조성물 및 발광장치 |
| JP2015188050A (ja) * | 2014-03-12 | 2015-10-29 | 株式会社東芝 | 発光装置 |
| KR101854114B1 (ko) | 2015-09-23 | 2018-06-14 | 한국화학연구원 | 금속불화물 적색 형광체 및 이를 이용한 발광소자 |
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| WO2003021691A1 (en) * | 2001-09-03 | 2003-03-13 | Matsushita Electric Industrial Co., Ltd. | Semiconductor light emitting device, light emitting apparatus and production method for semiconductor light emitting device |
| WO2003032407A1 (en) * | 2001-10-01 | 2003-04-17 | Matsushita Electric Industrial Co.,Ltd. | Semiconductor light emitting element and light emitting device using this |
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| DE19638667C2 (de) | 1996-09-20 | 2001-05-17 | Osram Opto Semiconductors Gmbh | Mischfarbiges Licht abstrahlendes Halbleiterbauelement mit Lumineszenzkonversionselement |
| US6429583B1 (en) | 1998-11-30 | 2002-08-06 | General Electric Company | Light emitting device with ba2mgsi2o7:eu2+, ba2sio4:eu2+, or (srxcay ba1-x-y)(a1zga1-z)2sr:eu2+phosphors |
| JP3968933B2 (ja) | 1998-12-25 | 2007-08-29 | コニカミノルタホールディングス株式会社 | エレクトロルミネッセンス素子 |
| US6555958B1 (en) * | 2000-05-15 | 2003-04-29 | General Electric Company | Phosphor for down converting ultraviolet light of LEDs to blue-green light |
| US6621211B1 (en) | 2000-05-15 | 2003-09-16 | General Electric Company | White light emitting phosphor blends for LED devices |
| CN1203557C (zh) * | 2000-05-29 | 2005-05-25 | 电灯专利信托有限公司 | 基于发光二极管的发射白光的照明设备 |
| AT410266B (de) * | 2000-12-28 | 2003-03-25 | Tridonic Optoelectronics Gmbh | Lichtquelle mit einem lichtemittierenden element |
| TWI250664B (en) * | 2004-01-30 | 2006-03-01 | South Epitaxy Corp | White light LED |
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2004
- 2004-04-07 KR KR1020040023695A patent/KR100605211B1/ko not_active Expired - Lifetime
-
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- 2005-04-07 JP JP2006516970A patent/JP2006527501A/ja active Pending
- 2005-04-07 US US10/564,406 patent/US7531956B2/en active Active
- 2005-04-07 EP EP05733494A patent/EP1733441B1/en not_active Expired - Lifetime
- 2005-04-07 WO PCT/KR2005/001008 patent/WO2005098972A1/en not_active Ceased
- 2005-04-07 DE DE602005024941T patent/DE602005024941D1/de not_active Expired - Lifetime
- 2005-04-07 CN CN2005800003757A patent/CN1788361B/zh not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2003021691A1 (en) * | 2001-09-03 | 2003-03-13 | Matsushita Electric Industrial Co., Ltd. | Semiconductor light emitting device, light emitting apparatus and production method for semiconductor light emitting device |
| WO2003032407A1 (en) * | 2001-10-01 | 2003-04-17 | Matsushita Electric Industrial Co.,Ltd. | Semiconductor light emitting element and light emitting device using this |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006274263A (ja) * | 2005-03-25 | 2006-10-12 | Sarnoff Corp | 金属ケイ酸塩−シリカ系多形蛍光体および発光装置 |
| JP2007227928A (ja) * | 2006-02-22 | 2007-09-06 | Samsung Electro-Mechanics Co Ltd | 白色発光装置 |
| JP2007231165A (ja) * | 2006-03-01 | 2007-09-13 | Canon Inc | 緑色蛍光体及びその製造方法 |
| JP2016115941A (ja) * | 2014-12-16 | 2016-06-23 | シチズン電子株式会社 | 発光装置 |
| US11342312B2 (en) | 2014-12-16 | 2022-05-24 | Citizen Electronics Co., Ltd. | Light emitting element with particular phosphors |
| JP2022079746A (ja) * | 2014-12-16 | 2022-05-26 | シチズン電子株式会社 | 発光装置 |
| US11756939B2 (en) | 2014-12-16 | 2023-09-12 | Citizen Electronics Co., Ltd. | Light emitting element with particular phosphors |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1733441A4 (en) | 2009-08-12 |
| KR20050098462A (ko) | 2005-10-12 |
| EP1733441A1 (en) | 2006-12-20 |
| US20060284185A1 (en) | 2006-12-21 |
| WO2005098972A1 (en) | 2005-10-20 |
| US7531956B2 (en) | 2009-05-12 |
| CN1788361B (zh) | 2013-02-06 |
| KR100605211B1 (ko) | 2006-07-31 |
| EP1733441B1 (en) | 2010-11-24 |
| CN1788361A (zh) | 2006-06-14 |
| DE602005024941D1 (de) | 2011-01-05 |
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