KR20060050115A - 질소 함유 형광물질, 이의 제조 방법, 및 발광 디바이스 - Google Patents
질소 함유 형광물질, 이의 제조 방법, 및 발광 디바이스 Download PDFInfo
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- KR20060050115A KR20060050115A KR1020050063055A KR20050063055A KR20060050115A KR 20060050115 A KR20060050115 A KR 20060050115A KR 1020050063055 A KR1020050063055 A KR 1020050063055A KR 20050063055 A KR20050063055 A KR 20050063055A KR 20060050115 A KR20060050115 A KR 20060050115A
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- C01B21/0602—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with two or more other elements chosen from metals, silicon or boron
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- C01P2002/84—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by UV- or VIS- data
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- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
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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
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- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
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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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- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Abstract
Description
Claims (20)
- 탄소를 함유하는 재료로 제조된 용기(receptacle)에 2종 이상의 금속 원소를 함유하는 산화물 형광물질을 수용하고;질소 기체를 함유하는 혼성 기체 분위기 중에서 산화물 형광물질을 소결시키는 것을 포함하는 질소-함유 형광물질의 제조 방법.
- 제 1항에 있어서, 용기가 탄화규소 또는 탄소를 포함하는 방법.
- 제 1항에 있어서, 혼성 기체 분위기가 환원 혼성 기체 분위기인 방법.
- 제 1항에 있어서, 혼성 기체 분위기가 수소 기체 함유 분위기인 방법.
- 제 4항에 있어서, 수소 기체와 질소 기체의 혼합비(H2:N2)가 10:90 내지 70:30인 방법.
- 제 1항에 있어서, 산화물 형광물질이 하기 화학식 1로 나타낸 조성을 갖는 방법.<화학식 1>M2SiO4:Z(식 중, M은 Sr, Ba 및 Ca으로 이루어진 군으로부터 선택된 1종 이상의 것이고 Z는 Eu 및 Ce으로 이루어진 군으로부터 선택된 1종 이상의 활성화제임)
- 제 1항에 있어서, 질소-함유 형광물질이 하기 화학식 2로 나타낸 조성을 갖는 방법.<화학식 2>M2Si5N8:Z(식 중, M은 Sr, Ba 및 Ca으로 이루어진 군으로부터 선택된 1종 이상의 것이고 Z는 Eu 및 Ce으로 이루어진 군으로부터 선택된 1종 이상의 활성화제임)
- 제 1항에 있어서, 소결을 1,600℃ 이상의 온도에서 2 내지 10시간 동안 수행하는 방법.
- 제 1항에 있어서, 소결을 처음에 800℃ 내지 1,400℃ 범위의 온도에서 1 내지 3시간 동안 수행하고 이어서 1,600℃ 이상의 온도에서 1 내지 9시간 동안 수행하는 방법.
- 질소 기체를 함유하는 혼성 기체 분위기 중에서 하기 화학식 1로 나타낸 산화물 형광물질을 소결시켜 산화물 형광물질의 적어도 일부를 하기 화학식 2로 나타낸 질소-함유 형광물질로 전환시키는 것을 포함하는 질소-함유 형광물질의 제조 방법.<화학식 1>M2SiO4:Z<화학식 2>M2Si5N8:Z(식 중, M은 Sr, Ba 및 Ca으로 이루어진 군으로부터 선택된 1종 이상의 것이고 Z는 Eu 및 Ce으로 이루어진 군으로부터 선택된 1종 이상의 활성화제임)
- 제 10항에 있어서, 산화물 형광물질을 소결시키기 이전에 탄소를 함유하는 재료로 제조된 용기에 산화물 형광물질을 수용하는 것을 더 포함하는 방법.
- 제 11항에 있어서, 용기가 탄화규소 또는 탄소를 포함하는 방법.
- 제 10항에 있어서, 혼성 기체 분위기가 환원 혼성 기체 분위기인 방법.
- 제 10항에 있어서, 혼성 기체 분위기가 수소 기체 함유 분위기인 방법.
- 제 14항에 있어서, 수소 기체와 질소 기체의 혼합비(H2:N2)가 10:90 내지 70:30인 방법.
- 제 10항에 있어서, 소결을 1,600℃ 이상의 온도에서 2 내지 10시간 동안 수행하는 방법.
- 제 1항에 따른 방법에 따라 제조된 질소-함유 형광물질.
- 제 10항에 따른 방법에 따라 제조된 질소-함유 형광물질.
- 제 1 방출 스펙트럼을 갖는 발광 원소; 및제 1항에 따른 방법에 의해 제조된 질소-함유 형광물질을 포함하는 형광 층을 포함하며, 질소-함유 형광물질이 제 1 방출 스펙트럼의 적어도 일부의 파장을 이동시켜 하나 이상의 방출 밴드로 형성되고 제 1 방출 스펙트럼의 것과 상이한 파장 영역에 속하는 제 2 방출 스펙트럼을 나타내는 발광 디바이스.
- 제 1 방출 스펙트럼을 갖는 발광 원소; 및제 10항에 따른 방법에 의해 제조된 질소-함유 형광물질을 포함하는 형광 층을 포함하며, 질소-함유 형광물질이 제 1 방출 스펙트럼의 적어도 일부의 파장을 이동시켜 하나 이상의 방출 밴드로 형성되고 제 1 방출 스펙트럼의 것과 상이한 파장 영역에 속하는 제 2 방출 스펙트럼을 나타내는 발광 디바이스.
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Application Number | Priority Date | Filing Date | Title |
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JP2004207723A JP4521227B2 (ja) | 2004-07-14 | 2004-07-14 | 窒素を含有する蛍光体の製造方法 |
JPJP-P-2004-00207723 | 2004-07-14 |
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KR20060050115A true KR20060050115A (ko) | 2006-05-19 |
KR100695349B1 KR100695349B1 (ko) | 2007-03-19 |
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KR1020050063055A KR100695349B1 (ko) | 2004-07-14 | 2005-07-13 | 질소 함유 형광물질의 제조 방법 |
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US (2) | US7414272B2 (ko) |
EP (1) | EP1616930B1 (ko) |
JP (1) | JP4521227B2 (ko) |
KR (1) | KR100695349B1 (ko) |
CN (2) | CN100513516C (ko) |
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JP4521227B2 (ja) | 2004-07-14 | 2010-08-11 | 株式会社東芝 | 窒素を含有する蛍光体の製造方法 |
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JP4836429B2 (ja) * | 2004-10-18 | 2011-12-14 | 株式会社東芝 | 蛍光体およびこれを用いた発光装置 |
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KR100961322B1 (ko) * | 2002-03-22 | 2010-06-04 | 니치아 카가쿠 고교 가부시키가이샤 | 질화물 형광체와 그 제조 방법 및 발광 장치 |
EP1413618A1 (en) | 2002-09-24 | 2004-04-28 | Osram Opto Semiconductors GmbH | Luminescent material, especially for LED application |
US6765237B1 (en) * | 2003-01-15 | 2004-07-20 | Gelcore, Llc | White light emitting device based on UV LED and phosphor blend |
TWI359187B (en) * | 2003-11-19 | 2012-03-01 | Panasonic Corp | Method for preparing nitridosilicate-based compoun |
US7229573B2 (en) * | 2004-04-20 | 2007-06-12 | Gelcore, Llc | Ce3+ and Eu2+ doped phosphors for light generation |
JP4581120B2 (ja) * | 2004-04-26 | 2010-11-17 | 独立行政法人物質・材料研究機構 | 酸窒化物粉末およびその製造方法 |
JP4521227B2 (ja) | 2004-07-14 | 2010-08-11 | 株式会社東芝 | 窒素を含有する蛍光体の製造方法 |
-
2004
- 2004-07-14 JP JP2004207723A patent/JP4521227B2/ja not_active Expired - Fee Related
-
2005
- 2005-07-13 KR KR1020050063055A patent/KR100695349B1/ko active IP Right Grant
- 2005-07-13 US US11/179,575 patent/US7414272B2/en active Active
- 2005-07-13 EP EP05254389.9A patent/EP1616930B1/en not_active Expired - Fee Related
- 2005-07-14 CN CNB200510081970XA patent/CN100513516C/zh not_active Expired - Fee Related
- 2005-07-14 CN CN2008101456425A patent/CN101353576B/zh not_active Expired - Fee Related
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2008
- 2008-06-20 US US12/143,086 patent/US20080253952A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1616930A2 (en) | 2006-01-18 |
CN101353576B (zh) | 2011-12-07 |
US20080253952A1 (en) | 2008-10-16 |
US20060011936A1 (en) | 2006-01-19 |
US7414272B2 (en) | 2008-08-19 |
EP1616930B1 (en) | 2014-08-20 |
JP2006028310A (ja) | 2006-02-02 |
EP1616930A3 (en) | 2007-09-05 |
CN101353576A (zh) | 2009-01-28 |
CN100513516C (zh) | 2009-07-15 |
KR100695349B1 (ko) | 2007-03-19 |
CN1721500A (zh) | 2006-01-18 |
JP4521227B2 (ja) | 2010-08-11 |
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