KR101431645B1 - 발광층 및 이를 포함하는 유기 전계 발광 소자 - Google Patents
발광층 및 이를 포함하는 유기 전계 발광 소자 Download PDFInfo
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Abstract
Description
화합물 | 수율(%) | UV스펙 트럼(nm) |
PL스펙 트럼(nm) |
MP (°C) |
D-2 | 63 | 322 | 540 | 310 |
D-5 | 64 | 326 | 534 | 400이상 |
D-9 | 80 | 286 | 513 | 400이상 |
D-10 | 56 | 269 | 517 | 389 |
D-14 | 23 | 324 | 510 | 335 |
D-18 | 68 | 294 | 51 | 350 |
D-28 | 27 | 296 | 511.94 | 400이상 |
화합물 | 수율(%) | PL스펙트럼 (nm) |
MP (°C) |
MS/EIMS | |
측정값 | 계산값 | ||||
C-3 | 59.98 | 478 | 206 | 714.85 | 714.28 |
C-13 | 26.5 | 418 | 241 | 599.72 | 599.24 |
C-17 | 48 | 463 | 145 | 714.85 | 714.28 |
C-32 | 54 | 512 | 237 | 639.75 | 639.24 |
C-33 | 49 | 407 | 140 | 637.77 | 637.25 |
C-35 | 52.1 | 451 | 283 | 715.84 | 715.27 |
C-40 | 24 | 485 | 285 | 580.70 | 580.17 |
C-42 | 43 | 459 | 300 | 656.80 | 656.20 |
C-62 | 28.5 | 466 | 250 | 715.84 | 715.27 |
C-99 | 57 | 461 | 230 | 715.84 | 715.27 |
C-101 | 86 | 481 | 280 | 639.75 | 639.24 |
Claims (9)
- 하기 화학식 1로 표시되는 1종 이상의 도판트 화합물 및 하기 화학식 2로 표시되는 1종 이상의 호스트 화합물을 함유하는 발광층.
[화학식 1]
상기 화학식 1에서,
L은 유기 리간드이며;
R1 내지 R9는 수소, 중수소, 할로겐, 치환 또는 비치환된 (C1-C30)알킬, 치환 또는 비치환된 (C3-C30)시클로알킬, 치환 또는 비치환된 (C1-C30)알콕시, 치환 또는 비치환된 (C6-C30)아릴, 또는 치환 또는 비치환된 (3-30원)헤테로아릴이며;
R은 수소, 할로겐, 치환 또는 비치환된 (C1-C30)알킬, 또는 치환 또는 비치환된 (C3-C30)시클로알킬이며;
a는 1내지 3의 정수이며, a가 2 이상의 정수인 경우 각각의 R은 서로 동일하거나 상이할 수 있고;
n은 1 내지 3의 정수이다.
[화학식 2]
H-(Cz-L1)a-L2-M
상기 화학식 2에서,
Cz는 하기 구조에서 선택되고;
E고리는 치환 또는 비치환된 (C6-C30)시클로알킬, 치환 또는 비치환된 (C6-C30)아릴기, 또는 치환 또는 비치환된 (3-30원)헤테로아릴기이고;
R51 내지 R53은 각각 독립적으로 수소, 중수소, 할로겐, 치환 또는 비치환된 (C1-C30)알킬, 치환 또는 비치환된 (C6-C30)아릴, 치환 또는 비치환된 (3-30원)헤테로아릴, 치환 또는 비치환된 (5-7원)헤테로시클로알킬, 치환 또는 비치환된 (C3-C30)지환족 고리가 하나 이상 융합된 치환 또는 비치환된(C6-C30)아릴, 치환 또는 비치환된 (C6-C30)방향족 고리가 하나 이상 융합된 (5-7원)헤테로시클로알킬, 치환 또는 비치환된(C3-C30)시클로알킬, 치환 또는 비치환된 (C6-C30)방향족 고리가 하나 이상 융합된 (C3-C30)시클로알킬, 또는 치환 또는 비치환된 (C6-C30)아르(C1-C30)알킬이며;
a는 1 또는 2이고;
(i) a가 1인 경우,
L1 및 L2는 각각 독립적으로 단일결합, 치환 또는 비치환된 (C6-C30)아릴렌, 치환 또는 비치환된 (3-30원)헤테로아릴렌, 또는 치환 또는 비치환된 (C6-C30)시클로알킬렌이고;
M은 치환 또는 비치환된 (C6-C30)아릴, 또는 치환 또는 비치환된 (3-30원)헤테로아릴이고;
(ii) a가 2인 경우,
L1 및 L2는 각각 독립적으로 단일결합, 또는 치환 또는 비치환된 (C6-C30)아릴렌이고, 단 L1 및 L2는 모두 단일결합이 아니고, 각각의 (Cz-L1)에서 각각의 Cz 및 각각의 L1은 각각 독립적으로 동일하거나 상이하고;
M은 치환 또는 비치환된 (3-30원)헤테로아릴이고;
c 및 d는 각각 독립적으로 0 내지 4의 정수이고, c 또는 d가 2 이상인 경우 각각의 R52 및 R53은 동일하거나 상이하다. - 제1항에 있어서, 상기 화학식 2로 표시되는 화합물은 하기 화학식 5로 표시되는 화합물인, 발광층.
[화학식 5]
상기 화학식 5에서,
X1은 -C(R18R19)-, -N(R20)-, -S-, -O- 또는 -Si(R21)(R22)-이고;
A1 내지 A5는 각각 독립적으로 CR23 또는 N이고, 단 X1이 -N(R20)-인 경우에는 A1 내지 A5는 모두 CR23이 아니고;
L3은 단일결합, 치환 또는 비치환된 (C6-C30)아릴렌, 치환 또는 비치환된 (3-30원)헤테로아릴렌, 또는 치환 또는 비치환된 (C6-C30)시클로알킬렌이고, 단 X1이 -N(R20)-인 경우에는 L3은 치환 또는 비치환된 (C6-C30)아릴렌이고;
R1 내지 R4 및 R18 내지 R22는 각각 독립적으로 수소, 중수소, 할로겐, 치환 또는 비치환된 (C1-C30)알킬, 치환 또는 비치환된 (C6-C30)아릴, 치환 또는 비치환된 (3-30원)헤테로아릴, 치환 또는 비치환된 (C3-C30)시클로알킬, 치환 또는 비치환된 (5-7원)헤테로시클로알킬, 치환 또는 비치환된 (C6-C30)아르(C1-C30)알킬, -NR11R12, -SiR13R14R15, -SR16, -OR17, 시아노, 나이트로 또는 하이드록시이고;
R11 내지 R17는 각각 독립적으로 치환 또는 비치환된 (C1-C30)알킬, 치환 또는 비치환된 (C6-C30)아릴, 또는 치환 또는 비치환된 3-30원 헤테로아릴이거나, 인접한 치환체와 함께 단일환 또는 다환의 (C5-C30) 지환족 또는 방향족 고리를 형성할 수 있고;
R23는 수소, 중수소, 할로겐, 치환 또는 비치환된 (C1-C30)알킬, 치환 또는 비치환된 (C6-C30)아릴, 치환 또는 비치환된 (C3-C30)지환족 고리가 하나 이상 융합된 치환 또는 비치환된 (C6-C30)아릴, 치환 또는 비치환된 (3-30)헤테로아릴, 치환 또는 비치환된 (5-7원)헤테로시클로알킬, 치환 또는 비치환된 (C6-C30)방향족고리가 하나 이상 융합된 (5-7원)헤테로시클로알킬, 치환 또는 비치환된 (C3-C30)시클로알킬, 또는 치환 또는 비치환된 (C6-C30)방향족고리가 하나 이상 융합된 (C3-C30)시클로알킬이거나, 인접한 치환체와 함께 단일환 또는 다환의 (C5-C30) 지환족 또는 방향족 고리를 형성할 수 있으며, 상기 형성된 지환족 고리 또는 방향족 고리의 탄소 원자는 질소, 산소 및 황으로부터 선택되는 하나 이상의 헤테로원자로 대체될 수 있고;
a 내지 d는 각각 독립적으로 0 내지 4의 정수이고, a 내지 d 중 적어도 하나가 2 이상의 정수인 경우 각각의 R1 내지 R4는 동일하거나 상이하고;
e는 1 또는 2이고, e가 2인 경우 각각의 L3는 동일하거나 상이하다. - 제1항 내지 제8항 중 어느 한 항의 발광층을 포함하는 유기 전계 발광 소자.
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US14/400,414 US20150137051A1 (en) | 2012-06-26 | 2013-06-26 | Novel combination of a host compound and a dopant compound and an organic electroluminescence device comprising the same |
CN201380033934.9A CN104411702A (zh) | 2012-06-26 | 2013-06-26 | 基质化合物和掺杂剂化合物的新组合及包含该组合的有机电致发光器件 |
PCT/KR2013/005665 WO2014003440A1 (en) | 2012-06-26 | 2013-06-26 | A novel combination of a host compound and a dopant compound and an organic electroluminescence device comprising the same |
JP2015520017A JP2015528207A (ja) | 2012-06-26 | 2013-06-26 | ホスト化合物およびドーパント化合物の新規組み合わせおよびそれを含む有機エレクトロルミネセンスデバイス |
EP13810541.6A EP2847182A1 (en) | 2012-06-26 | 2013-06-26 | A novel combination of a host compound and a dopant compound and an organic electroluminescence device comprising the same |
TW102122658A TW201402582A (zh) | 2012-06-26 | 2013-06-26 | 主體化合物及摻雜劑化合物之新組合及含該組合之有機電場發光裝置 |
JP2018096229A JP6616863B2 (ja) | 2012-06-26 | 2018-05-18 | ホスト化合物およびドーパント化合物の新規組み合わせおよびそれを含む有機エレクトロルミネセンスデバイス |
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WO2014003440A1 (en) | 2014-01-03 |
JP2018174329A (ja) | 2018-11-08 |
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US20150137051A1 (en) | 2015-05-21 |
JP6616863B2 (ja) | 2019-12-04 |
TW201402582A (zh) | 2014-01-16 |
KR20140003737A (ko) | 2014-01-10 |
CN104411702A (zh) | 2015-03-11 |
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