KR20060084668A - 발광 다이오드용 양자점 형광체 및 그의 제조방법 - Google Patents
발광 다이오드용 양자점 형광체 및 그의 제조방법 Download PDFInfo
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- KR20060084668A KR20060084668A KR1020050005445A KR20050005445A KR20060084668A KR 20060084668 A KR20060084668 A KR 20060084668A KR 1020050005445 A KR1020050005445 A KR 1020050005445A KR 20050005445 A KR20050005445 A KR 20050005445A KR 20060084668 A KR20060084668 A KR 20060084668A
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- quantum dot
- light emitting
- dot phosphor
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- emitting diode
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Abstract
Description
Claims (17)
- 양자점 및 상기 양자점을 고정시키는 고체상태의 담지체(substrate)를 포함하는 양자점 형광체.
- 제 1항에 있어서, 상기 양자점이 CdS, CdSe, CdTe, ZnS, ZnSe, ZnTe, HgS, HgSe, HgTe와 같은 II-VI족 화합물 반도체 나노결정, GaN, GaP, GaAs, AlN, AlP, AlAs, InN, InP, InAs와 같은 III-V족 화합물 반도체 나노결정 또는 이들의 혼합물로 이루어진 군에서 선택되는 것을 특징으로 하는 양자점 형광체.
- 제 2항에 있어서, 상기 혼합물이 CdSeS, CdSeTe, CdSTe, ZnSeS, ZnSeTe, ZnSTe, HgSeS, HgSeTe, HgSTe, CdZnS, CdZnSe, CdZnTe, CdHgS, CdHgSe, CdHgTe, HgZnS, HgZnSe, HggZnTe, CdZnSeS, CdZnSeTe, CdZnSTe, CdHgSeS, CdHgSeTe, CdHgSTe, HgZnSeS, HgZnSeTe 및 HgZnSTe로 이루어진 군에서 선택되거나 또는 GaNP, GaNAs, GaPAs, AlNP, AlNAs, AlPAs, InNP, InNAs, InPAs, GaAlNP, GaAlNAs, GaAlPAs, GaInNP, GaInNAs, GaInPAs, InAlNP, InAlNAs, InAlPAs로 이루어진 군에서 선택되는 것을 특징으로 하는 양자점 형광체.
- 제 3항에 있어서, 상기 혼합물이 부분적으로 나누어져 동일 입자 내에 존재하거나 또는 합금 형태로 존재하는 것을 특징으로 하는 양자점 형광체.
- 제 1항에 있어서, 상기 양자점이 화학적 습식 합성법에 의해 제조되는 것을 특징으로 하는 양자점 형광체.
- 제 1항에 있어서, 상기 담지체가 i) 금속 산화물, 고분자, 또는 금속 염, ⅱ) 무기형광체 또는 ⅲ) 이들의 혼합물인 것을 특징으로 하는 양자점 형광체.
- 제 6항에 있어서, 상기 i) 금속 산화물이 SiO2, TiO2, Al2O3, 및 이들의 혼합물로 이루어진 군에서 선택되고, 상기 고분자가 폴리스타이렌, 폴리이미드, 폴리아크릴레이트, 폴리카보네이트, 폴리이미다졸 및 이들의 혼합물로 이루어진 군에서 선택되며, 상기 금속 염이 KBr, NaBr, KI, KCl 및 NaCl로 이루어진 군에서 선택되는 것을 특징으로 하는 양자점 형광체.
- 제 6항에 있어서, 상기 ⅱ) 무기형광체가 ZnS:Ag, ZnS:Cu, ZnS:Mn, ZnS:Cu,Al, (Zn,Cd)S:Cu, Zn,Cd)S:Ag, (Zn,Cd)S:Cu,Al, ZnS:Cu,Au,Al, ZnS:Ag,Cu,Ga,Cl, Y2O2S:Eu, ZnS:Ag,Al, ZnO:Zn, BaMgAl10O17:Eu2+, (Sr,Ca,Ba,Mg)10(PO4)6Cl2:Eu, Sr10(PO4) 6Cl 2:Eu, (Ba,Sr,Eu)(Mg,Mn)Al10O17, (Ba,Eu)MgAl10O17, YVO4:Eu 및 이들의 혼합물로 이루어진 군에서 선택되는 것을 특징으로 하는 양자점 형광체.
- 양자점을 분산용매에 분산시켜 고체상태의 담지체와 혼합하고, 건조하여 분산용매를 제거하는 단계를 포함하는 양자점 형광체의 제조방법.
- 제 9항에 있어서, 상기 양자점이 화학적 습식 합성법에 의해 100℃ 내지 400℃에서 1초 내지 4시간 반응시켜 제조되는 것을 특징으로 하는 방법.
- 제 9항에 있어서, 상기 분산용매가 클로로포름, 톨루엔, 옥탄, 헵탄, 헥산, 펜탄, 디메틸클로라이드 및 테트라하이드로퓨란으로 이루어진 군에서 선택되는 것 을 특징으로 하는 방법.
- 제 9항에 있어서, 상기 건조공정이 60℃ 내지 120℃에서 30분 내지 8시간 수행되는 것을 특징으로 하는 방법.
- 제 1항에 기재된 양자점 형광체, 상기 양자점 형광체와 혼합되는 페이스트용 레진, 상기 혼합물을 둘러싸는 램프 몰딩(molding)용 에폭시 수지 및 광원을 포함하는 발광 다이오드.
- 제 13항에 있어서, 상기 페이스트용 레진이 다이오드 광원에서 나오는 파장의 범위를 주로 흡수하지 않는 물질인 것을 특징으로 하는 다이오드.
- 제 14항에 있어서, 상기 페이스트용 레진이 에폭시, 실리콘, 아크릴계 고분자, 유리, 카보네이트계 고분자 및 이들의 혼합물로 이루어진 군에서 선택되는 것을 특징으로 하는 다이오드.
- 제 13항에 있어서, 상기 광원이 300nm 내지 470nm범위의 파장을 나타내는 것을 특징으로 하는 다이오드.
- 제 8항에 따라 제조된 양자점 형광체를 페이스트용 레진과 혼합하고, 상기 혼합물을 발광 다이오드에 도포하여 경화시키는 단계를 포함하는 발광 다이오드의 제조방법.
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JP2006199963A (ja) | 2006-08-03 |
US9475984B2 (en) | 2016-10-25 |
US9090817B2 (en) | 2015-07-28 |
US20060157686A1 (en) | 2006-07-20 |
JP5193425B2 (ja) | 2013-05-08 |
US20140158979A1 (en) | 2014-06-12 |
US8658439B2 (en) | 2014-02-25 |
US20140158938A1 (en) | 2014-06-12 |
US8664637B2 (en) | 2014-03-04 |
US20110121260A1 (en) | 2011-05-26 |
US20170037309A1 (en) | 2017-02-09 |
US9902902B2 (en) | 2018-02-27 |
KR100678285B1 (ko) | 2007-02-02 |
US20110291073A1 (en) | 2011-12-01 |
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