KR20220110486A - 양자 도트, 파장 변환 재료, 백라이트 유닛, 화상 표시 장치 및 양자 도트의 제조 방법 - Google Patents
양자 도트, 파장 변환 재료, 백라이트 유닛, 화상 표시 장치 및 양자 도트의 제조 방법 Download PDFInfo
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- KR20220110486A KR20220110486A KR1020227017572A KR20227017572A KR20220110486A KR 20220110486 A KR20220110486 A KR 20220110486A KR 1020227017572 A KR1020227017572 A KR 1020227017572A KR 20227017572 A KR20227017572 A KR 20227017572A KR 20220110486 A KR20220110486 A KR 20220110486A
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- quantum
- solution
- quantum dots
- zns
- quantum dot
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- F21Y2115/10—Light-emitting diodes [LED]
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- H—ELECTRICITY
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Abstract
Description
Claims (9)
- 결정성 나노입자인 양자 도트로서,
상기 양자 도트는 코어 입자와 상기 코어 입자 상의 복수의 층을 포함하는 다층 구조를 가지고, Zn, S, Se 및 Te를 구성 원소로 하는 것이고,
상기 양자 도트의 중심으로부터 반경 방향으로 적어도 하나의 양자 우물 구조를 가지는 것인 것을 특징으로 하는 양자 도트. - 제1항에 있어서,
상기 양자 도트는 반경 방향으로 2 이상의 양자 우물 구조를 포함하는 초격자 구조를 가지는 것인 것을 특징으로 하는 양자 도트. - 제1항에 있어서,
상기 양자 우물 구조가 ZnSxSe1 -x/ZnTe/ZnSySe1 -y(0≤x≤1, 0≤y≤1)의 조성을 가지는 것인 것을 특징으로 하는 양자 도트. - 제1항에 있어서,
상기 양자 우물 구조가 ZnSxSe1 -x/ZnSαSeβTeγ/ZnSySey -1(0≤x≤1, 0≤y≤1, α+β+γ=1, 0≤α≤1, 0≤β≤1, 0≤γ≤1)의 조성을 가지는 것인 것을 특징으로 하는 양자 도트. - 제2항에 있어서,
상기 양자 우물 구조가 ZnSxSe1 -x/(ZnSαSeβTeγ/ZnSySe1 -y/ZnSαSeβTeγ)n/ZnSzSe1-z(0≤x≤1, 0≤y≤1, 0≤z≤1, α+β+γ=1, 0≤α≤1, 0≤β≤1, 0≤γ≤1, n: 1 이상의 정수)의 조성을 가지는 것인 것을 특징으로 하는 양자 도트. - 제1항 내지 제5항 중 어느 한 항에 기재된 양자 도트를 함유하는 것을 특징으로 하는 파장 변환 재료.
- 제6항에 기재된 파장 변환 재료를 구비한 백라이트 유닛.
- 제7항에 기재된 백라이트 유닛을 구비한 화상 표시 장치.
- 결정성 나노입자인 양자 도트의 제조 방법으로서,
코어 입자를 형성하는 공정과,
상기 코어 입자의 표면에 복수의 층을 형성하는 공정을 가지고,
상기 코어 입자 및 상기 복수의 층은 Zn, S, Se 및 Te를 구성 원소로 하고,
상기 양자 도트의 중심으로부터 반경 방향으로, 상기 코어 입자 및 상기 복수의 층, 또는 상기 복수의 층에 의한 적어도 하나의 양자 우물 구조를 형성하는 것을 특징으로 하는 양자 도트의 제조 방법.
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CN116694328A (zh) * | 2022-12-28 | 2023-09-05 | 南京理工大学 | 高效黄绿光发射ZnTeSe阱型量子点的制备方法 |
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