KR100604748B1 - 발광물질 및 이를 이용한 유기 전기발광 소자 - Google Patents
발광물질 및 이를 이용한 유기 전기발광 소자 Download PDFInfo
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- KR100604748B1 KR100604748B1 KR1020040071594A KR20040071594A KR100604748B1 KR 100604748 B1 KR100604748 B1 KR 100604748B1 KR 1020040071594 A KR1020040071594 A KR 1020040071594A KR 20040071594 A KR20040071594 A KR 20040071594A KR 100604748 B1 KR100604748 B1 KR 100604748B1
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- H10K50/15—Hole transporting layers
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
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- H10K50/17—Carrier injection layers
- H10K50/171—Electron injection layers
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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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Abstract
Description
Claims (9)
- 하기 화학식 1로 표시되는 발광물질:<화학식 1>상기 화학식 1에서,R1 내지 R6은 각각 독립적으로 수소원자, 할로겐원자, 탄소원자수 1 내지 20의 치환 또는 비치환 알킬기, 탄소원자수 6 내지 36의 치환 또는 비치환 아릴기를 나타내며,A1 및 A2는 각각 독립적으로 산소원자 또는 하기 화학식 2로 나타내어지며:<화학식 2>상기 화학식 2에서, R7 및 R8은 각각 독립적으로 수소원자, 시아노기, 할로겐원자, 트리플로로메틸기, 탄소원자수 1 내지 20의 알킬카르보닐기 또는 탄소원자수 1 내지 20의 알콕시카르보닐기를 나타내거나, 서로 결합하여 환을 형성할 수 있으며, R7과 R8은 동시에 수소일 수는 없고,X1 및 X2는 각각 독립적으로 산소원자 또는 유황원자를 나타내며,D는 하기 화학식 3a 내지 3c로 표시되는 기 중에서 선택된 전자공여성기이다:<화학식 3a><화학식 3b><화학식 3c>상기 화학식 3a 내지 3c에서, R9 및 R10은 각각 독립적으로 수소원자, 할로겐원자, 탄소원자수 1 내지 20의 치환 또는 비치환 알킬기, 탄소원자수 6 내지 36의 치환 또는 비치환 아릴기를 나타내며, X3은 직접결합, 탄소원자수 1 내지 20의 2가의 치환 또는 비치환 알킬기, 탄소원자수 6 내지 36의 2가의 치환 또는 비치환 아릴기, 산소원자, 질소원자, 유황원자, 치환 또는 비치환 질소원자, 카르보닐기 또는 티오카르보닐기를 나타내고, R11 및 R12은 각각 독립적으로 탄소원자수 1 내지 20의 치환 또는 비치환 알킬기, 탄소원자수 1 내지 10의 알킬렌기, 탄소원자수 1 내지 10의 알콕시기, 탄소원자수 1 내지 30의 알킬티오기, 아미노기, 탄소원자수 1 내지 30의 디알킬아미노기, 디아릴아미노기 또는 할로겐원자를 나타낸다.
- 제 2항에 있어서,화학식 4의 화합물에 대한 화학식 5 및 화학식 6의 화합물들의 합의 몰비가 1:2 내지 1:4 범위인 것을 특징으로 하는 방법.
- 제 3항에 있어서,화학식 5의 화합물과 화학식 6의 화합물이 등몰량으로 혼합되는 것을 특징으로 하는 방법.
- 제 2항에 있어서,염기성 촉매를 이용하여, 30 내지 150℃에서 1 내지 72시간 동안 수행되는 것을 특징으로 하는 방법.
- 제 5항에 있어서,염기성 촉매가 피페리딘, 디아자비시클로운데센(1,8-diaza [5,4,0] bicyclo undec 7-ene, DBU), 피리딘, 트리에틸아민, 디에틸아민 및 디이소프로필아민으로 구성된 군으로부터 선택되는 것을 특징으로 하는 방법.
- 제 2항에 있어서,아세토니트릴, 디메틸포름알데히드, 메탄올 및 에탄올로 구성된 군으로부터 선택된 용매를 사용하는 것을 특징으로 하는 방법.
- 한 쌍의 전극 사이에 유기물층을 포함하는 유기 전기발광 소자에 있어서, 상기 유기물층이 제 1항에 따른 화학식 1의 발광물질 1종 이상을 포함하는 것을 특징으로 하는 유기 전기발광 소자.
- 제 8항에 있어서,상기 유기물층이 Alq3 또는 루브렌을 추가로 포함함을 특징으로 하는 유기 전기발광 소자.
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JP2001019946A (ja) * | 1999-07-05 | 2001-01-23 | Toyo Ink Mfg Co Ltd | 有機エレクトロルミネッセンス素子用材料およびそれを使用した有機エレクトロルミネッセンス素子 |
KR20020041985A (ko) * | 2000-11-29 | 2002-06-05 | 김상국 | 신규한 적색 형광물질, 이의 제조방법 및 이를 포함하는유기전기발광소자 |
KR20030027421A (ko) * | 2001-09-28 | 2003-04-07 | 학교법인 서강대학교 | 고 효율의 적색 유기발광 고분자 및 이를 이용한 전기발광소자 |
KR20050021907A (ko) * | 2003-08-29 | 2005-03-07 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 피란 유도체와 그 제조 방법, 및 피란 유도체를 포함하는발광소자 |
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JP2001019946A (ja) * | 1999-07-05 | 2001-01-23 | Toyo Ink Mfg Co Ltd | 有機エレクトロルミネッセンス素子用材料およびそれを使用した有機エレクトロルミネッセンス素子 |
KR20020041985A (ko) * | 2000-11-29 | 2002-06-05 | 김상국 | 신규한 적색 형광물질, 이의 제조방법 및 이를 포함하는유기전기발광소자 |
KR20030027421A (ko) * | 2001-09-28 | 2003-04-07 | 학교법인 서강대학교 | 고 효율의 적색 유기발광 고분자 및 이를 이용한 전기발광소자 |
KR20050021907A (ko) * | 2003-08-29 | 2005-03-07 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 피란 유도체와 그 제조 방법, 및 피란 유도체를 포함하는발광소자 |
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