KR100975780B1 - 전계발광 소자 및 그를 이용한 발광 장치 - Google Patents
전계발광 소자 및 그를 이용한 발광 장치 Download PDFInfo
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- KR100975780B1 KR100975780B1 KR1020030055221A KR20030055221A KR100975780B1 KR 100975780 B1 KR100975780 B1 KR 100975780B1 KR 1020030055221 A KR1020030055221 A KR 1020030055221A KR 20030055221 A KR20030055221 A KR 20030055221A KR 100975780 B1 KR100975780 B1 KR 100975780B1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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Abstract
Description
Claims (72)
- 표시 장치에 있어서,기판 위의 전계발광 소자를 포함하고,상기 전계발광 소자는,양극과,상기 양극 위의, 전계발광(electroluminescence)을 생성할 수 있는 유기 화합물을 함유하는 전계발광막과,상기 전계발광막 위의 전자 수송층과,상기 전자 수송층 위의 부유 전극과,상기 부유 전극 위의 전자 수송 보조층과,상기 전자수송 보조층 위의 음극을 포함하고,상기 부유 전극은 상기 전자 수송층과 접촉하여 형성된 절연막과 상기 전자 수송 보조층과 접촉하여 형성된 도전막을 포함하는, 표시 장치.
- 표시 장치에 있어서,기판 위의 전계발광 소자를 포함하고,상기 전계발광 소자는,음극과,상기 음극 위의 전자 수송 보조층과,상기 전자 수송 보조층 위의 부유 전극과,상기 부유 전극 위의 전자 수송층과,상기 전자 수송층 위의, 전계발광을 생성하는 유기 화합물을 포함하는 전계발광막과,상기 전계발광막 위의 양극을 포함하고,상기 부유 전극은 상기 전자 수송층과 접촉하여 형성된 절연막과 상기 전자 수송 보조층과 접촉하여 형성된 도전막을 포함하는, 표시 장치.
- 제 1 항 또는 제 2 항에 있어서, 상기 전자 수송 보조층은 10nm 이상 1㎛ 이하의 두께를 가지는, 표시 장치.
- 제 1 항 또는 제 2 항에 있어서, 상기 음극은 스퍼터링에 의해 형성된 도전막을 포함하는, 표시 장치.
- 제 1 항 또는 제 2 항에 있어서, 상기 음극은 스퍼터링에 의해 형성된 반투명 도전막(translucent conductive film)을 포함하는, 표시 장치.
- 제 1 항 또는 제 2 항에 있어서, 상기 전계발광막 및 상기 전자 수송 보조층 중 적어도 하나는 홀 블록킹 재료를 포함하는, 표시 장치.
- 제 6 항에 있어서, 상기 홀 블록킹 재료는 5.8eV 이상의 이온화 포텐셜을 갖는, 표시 장치.
- 제 6 항에 있어서, 상기 홀 블록킹 재료는 페난트로린 골격(phenanthroline skeleton)을 포함하는 유기 화합물 또는 주기율표의 13족 원소에 속하는 원소를 중심 금속으로서 가지는 5배위형 금속 착체인, 표시 장치.
- 제 1 항 또는 제 2 항에 있어서, 상기 음극은 3.5eV 이상의 일함수를 갖는 도전성 재료를 포함하는, 표시 장치.
- 제 1 항 또는 제 2 항에 있어서, 상기 전자 수송 보조층은 홀 이동도보다 큰 전자 이동도를 갖는 전자-수송 가능 재료를 포함하는, 표시 장치.
- 제 1 항 또는 제 2 항에 있어서, 상기 부유 전극은 일함수가 3.5eV 이하인 도전성 재료를 포함하는, 표시 장치.
- 제 1 항 또는 제 2 항에 있어서, 상기 표시 장치는 개인용 컴퓨터, 비디오 카메라, 모바일 컴퓨터, 플레이어, 디지털 카메라, 이동 전화, 포터블 북(portable book), 및 디스플레이로 이루어지는 군(group)에서 선택된 전자 제품에 내장되는, 표시 장치.
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CN103022364B (zh) | 2015-11-18 |
CN1474637B (zh) | 2012-11-14 |
US20060192484A1 (en) | 2006-08-31 |
US20040027061A1 (en) | 2004-02-12 |
JP2010192455A (ja) | 2010-09-02 |
US7045955B2 (en) | 2006-05-16 |
CN1474637A (zh) | 2004-02-11 |
CN103022364A (zh) | 2013-04-03 |
KR20040014370A (ko) | 2004-02-14 |
US7737630B2 (en) | 2010-06-15 |
JP4932925B2 (ja) | 2012-05-16 |
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