KR101584626B1 - 신규한 화합물 및 이를 포함하는 발광소자 - Google Patents
신규한 화합물 및 이를 포함하는 발광소자 Download PDFInfo
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- KR101584626B1 KR101584626B1 KR1020140083000A KR20140083000A KR101584626B1 KR 101584626 B1 KR101584626 B1 KR 101584626B1 KR 1020140083000 A KR1020140083000 A KR 1020140083000A KR 20140083000 A KR20140083000 A KR 20140083000A KR 101584626 B1 KR101584626 B1 KR 101584626B1
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- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- 125000001828 phenalenyl group Chemical group C1(C=CC2=CC=CC3=CC=CC1=C23)* 0.000 description 1
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 description 1
- 125000004934 phenanthridinyl group Chemical group C1(=CC=CC2=NC=C3C=CC=CC3=C12)* 0.000 description 1
- 125000004625 phenanthrolinyl group Chemical group N1=C(C=CC2=CC=C3C=CC=NC3=C12)* 0.000 description 1
- 125000001791 phenazinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3N=C12)* 0.000 description 1
- 125000001644 phenoxazinyl group Chemical group C1(=CC=CC=2OC3=CC=CC=C3NC12)* 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 125000004592 phthalazinyl group Chemical group C1(=NN=CC2=CC=CC=C12)* 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 125000001042 pteridinyl group Chemical group N1=C(N=CC2=NC=CN=C12)* 0.000 description 1
- 125000000561 purinyl group Chemical group N1=C(N=C2N=CNC2=C1)* 0.000 description 1
- 125000004309 pyranyl group Chemical group O1C(C=CC=C1)* 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 125000000565 sulfonamide group Chemical group 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 125000003375 sulfoxide group Chemical group 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000001935 tetracenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C12)* 0.000 description 1
- 125000003831 tetrazolyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
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Abstract
[화학식 1]
상기 화학식 1에 있어서, La, Ar1, Ar2, R1 및 a는 본 명세서에서 정의한 바와 같다.
Description
도 2는 본 발명에 따른 다른 실시예에서 제조되는 발광소자(n=3인 경우)의 구조를 도시한 이미지이다;
도 3은 본 발명에 따른 또 다른 실시예에서 제조되는 발광소자(n=3인 경우)의 구조를 도시한 이미지이다.
단층 구조의 제1 유기층 | |
실시예 11 | 실시예 1에서 제조된 화학식 1a의 화합물 |
실시예 12 | 실시예 2에서 제조된 화학식 1b의 화합물 |
실시예 13 | 실시예 3에서 제조된 화학식 1c의 화합물 |
실시예 14 | 실시예 4에서 제조된 화학식 1d의 화합물 |
실시예 15 | 실시예 5에서 제조된 화학식 1e의 화합물 |
실시예 16 | 실시예 6에서 제조된 화학식 1f의 화합물 |
실시예 17 | 실시예 7에서 제조된 화학식 1g의 화합물 |
실시예 18 | 실시예 8에서 제조된 화학식 1h의 화합물 |
실시예 19 | 실시예 9에서 제조된 화학식 1i의 화합물 |
실시예 20 | 실시예 10에서 제조된 화학식 1j의 화합물 |
제1 유기층 | ||
하층 | 상층 | |
실시예 21 | 화학식 17의 화합물 | 실시예 1의 화합물 |
실시예 22 | 화학식 17의 화합물 | 실시예 2의 화합물 |
실시예 23 | 화학식 17의 화합물 | 실시예 3의 화합물 |
실시예 24 | 화학식 17의 화합물 | 실시예 4의 화합물 |
실시예 25 | 화학식 17의 화합물 | 실시예 5의 화합물 |
실시예 26 | 화학식 17의 화합물 | 실시예 6의 화합물 |
실시예 27 | 화학식 17의 화합물 | 실시예 7의 화합물 |
실시예 28 | 화학식 17의 화합물 | 실시예 8의 화합물 |
실시예 29 | 화학식 17의 화합물 | 실시예 9의 화합물 |
실시예 30 | 화학식 17의 화합물 | 실시예 10의 화합물 |
제1 유기층 | ||
하층 | 상층 | |
실시예 31 | 실시예 7의 화합물 | 실시예 1의 화합물 |
실시예 32 | 실시예 7의 화합물 | 실시예 2의 화합물 |
실시예 33 | 실시예 7의 화합물 | 실시예 3의 화합물 |
실시예 34 | 실시예 7의 화합물 | 실시예 4의 화합물 |
실시예 35 | 실시예 7의 화합물 | 실시예 5의 화합물 |
실시예 36 | 실시예 7의 화합물 | 실시예 6의 화합물 |
실시예 37 | 실시예 7의 화합물 | 실시예 8의 화합물 |
실시예 38 | 실시예 7의 화합물 | 실시예 9의 화합물 |
실시예 39 | 실시예 7의 화합물 | 실시예 10의 화합물 |
단층 구조의 제1 유기층 | ||
발광효율 [lm/W] |
발광수명 (T50[hr]) |
|
실시예 11 | 8.1 | 287 |
실시예 12 | 7.0 | 228 |
실시예 13 | 7.4 | 242 |
실시예 14 | 8.5 | 284 |
실시예 15 | 8.4 | 271 |
실시예 16 | 7.7 | 266 |
실시예 17 | 8.6 | 297 |
실시예 18 | 6.9 | 214 |
실시예 19 | 6.7 | 225 |
실시예 20 | 8.4 | 275 |
비교예 1 | 5.6 | 182 |
비교예 2 | 5.9 | 179 |
2층 구조의 제1 유기층 (2층 구조 case 1) |
2층 구조의 제1 유기층 (2층 구조 case 2) |
||||
발광효율 [lm/W] |
발광수명 (T50[hr]) |
발광효율 [lm/W] |
발광수명 (T50[hr]) |
||
실시예 21 | 7.5 | 267 | 실시예 31 | 7.9 | 279 |
실시예 22 | 6.4 | 210 | 실시예 32 | 6.8 | 224 |
실시예 23 | 6.9 | 221 | 실시예 33 | 7.2 | 238 |
실시예 24 | 8.1 | 272 | 실시예 34 | 8.1 | 275 |
실시예 25 | 8.0 | 258 | 실시예 35 | 8.3 | 270 |
실시예 26 | 7.2 | 236 | 실시예 36 | 7.5 | 251 |
실시예 27 | 8.2 | 283 | - | - | - |
실시예 28 | 6.2 | 207 | 실시예 37 | 6.6 | 211 |
실시예 29 | 6.3 | 205 | 실시예 38 | 6.4 | 216 |
실시예 30 | 7.9 | 269 | 실시예 39 | 8.2 | 273 |
비교예 3 | 5.8 | 198 | 비교예 4 | 6.1 | 189 |
101: 제2 전극
102: 발광층
103: 제1 유기층
103a: 제1 유기층의 상층
103b: 제1 유기층의 하층
104: 제2 유기층
105: 제3 유기층
106: 제1 전극
107: 베이스 기판
108: 유기층
Claims (22)
- 삭제
- 제1항에 있어서,
화학식 1에서,
상기 Ar1은 1-나프틸기인 화합물.
- 제3항에 있어서,
제3항에 따른 화합물은, 하기 화학식 a-1 내지 a-36의 구조로부터 선택되는 것을 특징으로 하는 화합물:
<화학식 a-1>
<화학식 a-2>
<화학식 a-3>
<화학식 a-4>
<화학식 a-5>
<화학식 a-6>
<화학식 a-7>
<화학식 a-8>
<화학식 a-9>
<화학식 a-10>
<화학식 a-11>
<화학식 a-12>
<화학식 a-13>
<화학식 a-14>
<화학식 a-15>
<화학식 a-16>
<화학식 a-17>
<화학식 a-18>
<화학식 a-19>
<화학식 a-20>
<화학식 a-21>
<화학식 a-22>
<화학식 a-23>
<화학식 a-24>
<화학식 a-25>
<화학식 a-26>
<화학식 a-27>
<화학식 a-28>
<화학식 a-29>
<화학식 a-30>
<화학식 a-31>
<화학식 a-32>
<화학식 a-33>
<화학식 a-34>
<화학식 a-35>
<화학식 a-36> .
- 제1항에 있어서,
화학식 1에서,
상기 Ar1은 2-나프틸기인 화합물.
- 제1항에 있어서,
화학식 1로 나타내는 화합물에서,
상기 Ar1은 페난트릴기인 화합물.
- 제7항에 있어서,
제7항에 따른 화합물은, 하기 화학식 c-1 내지 c-36의 구조로부터 선택되는 것을 특징으로 하는 화합물:
<화학식 c-1>
<화학식 c-2>
<화학식 c-3>
<화학식 c-4>
<화학식 c-5>
<화학식 c-6>
<화학식 c-7>
<화학식 c-8>
<화학식 c-9>
<화학식 c-10>
<화학식 c-11>
<화학식 c-12>
<화학식 c-13>
<화학식 c-14>
<화학식 c-15>
<화학식 c-16>
<화학식 c-17>
<화학식 c-18>
<화학식 c-19>
<화학식 c-20>
<화학식 c-21>
<화학식 c-22>
<화학식 c-23>
<화학식 c-24>
<화학식 c-25>
<화학식 c-26>
<화학식 c-27>
<화학식 c-28>
<화학식 c-29>
<화학식 c-30>
<화학식 c-31>
<화학식 c-32>
<화학식 c-33>
<화학식 c-34>
<화학식 c-35>
<화학식 c-36> .
- 제1항에 있어서,
화학식 1로 나타내는 화합물에서,
상기 Ar1은 트리메틸실릴기; 시아노기; 또는 트리플루오로메틸기로 치환된 페닐기인 화합물.
- 제1 전극;
제1 전극에 대향된 제2 전극;
제1 전극과 제2 전극 사이에 개재된 발광층; 및
제1 전극과 발광층 사이에 개재되는 유기층을 포함하고,
상기 유기층은, 제1 유기층 내지 제n 유기층으로 구성되는 n개의 유기층을 포함하며, 여기서, 제1 유기층은 발광층과 접하는 위치에 형성되고, 제1 유기층을 제외한 (n-1)개의 유기층은 제1 유기층과 제1 전극 사이에 적층되는 구조이며, n은 2 내지 5의 정수이고,
상기 제1 유기층은 하기 화학식 1로 나타내는 화합물을 1종 이상 포함하는 발광소자:
[화학식 1]
상기 화학식 1에 있어서, La, Ar1, Ar2, R1 및 a는 제1항에서 정의한 바와 같다.
- 제11항에 있어서,
제1 유기층은, 제1항에 따른 화학식 1로 나타내는 화합물을 1종 이상 포함하는 단층 구조를 갖는 발광소자.
- 제11항에 있어서,
제1 유기층은, 2층 구조이고,
2층 구조를 구성하는 각 개별층은, 서로 독립적으로 제1항에 따른 화학식 1로 나타내는 화합물을 1종 이상 포함하되,
각 개별층에 포함되는 화합물은 서로 다른 구조를 갖는 것을 특징으로 하는 발광소자.
- 제12항에 있어서,
제1 유기층의 두께는, 20 Å 내지 400 Å인 발광소자.
- 제13항 또는 제14항에 있어서,
2층 구조를 구성하는 각 개별층 두께는, 10 Å 내지 200 Å인 발광소자.
- 삭제
- 제11항에 있어서,
유기층은, 제1 유기층을 제외한 (n-1)개의 유기층에 하기 화학식 5로 나타내는 화합물을 포함하는 발광소자:
[화학식 5]
상기 화학식 5에서,
R2는 탄소수 6 내지 30을 갖는 아릴기이고;
R3은 수소이며;
Lb는 탄소수 6 내지 20을 갖는 아릴렌기이고;
Ar3은 탄소수 6 내지 30을 갖는 아릴기 또는 하기 화학식 4로 나타내는 치환기이며,
[화학식 4]
상기 화학식 4에서,
X는 O, S 또는 C(R6)(R7)이고,
R4, R5, R6 및 R7은 서로 독립적으로 탄소수 1 내지 6을 갖는 알킬기 또는 탄소수 6 내지 30을 갖는 아릴기이며,
p는 0 내지 2의 정수이고,
q는 0 내지 2의 정수이다.
- 제18항에 있어서,
화학식 5에서,
상기 R2는 페닐기, 바이페닐기, 터페닐기 또는 나프틸기이고;
R3은 수소이며;
Lb는 페닐렌기, 바이페닐렌기, 터페닐렌기 또는 나프틸렌기이고; 및
Ar3은 페닐기, 바이페닐기, 터페닐기, 나프틸기, 디벤조티에닐기, 디벤조퓨라닐기, 플루오레닐기, 디메틸플루오레닐기 또는 디페닐플루오레닐기인 발광소자.
- 제11항에 있어서,
유기층은,
제1항에 따른 화학식 1로 나타내는 화합물을 1종 이상 포함하는 제1 유기층;
제18항에 따른 화학식 5로 나타내는 화합물을 포함하는 제2 유기층; 및
P형 도펀트를 포함하는 제3 유기층을 포함하는 발광소자.
- 제11항에 따른 발광소자를 포함하는 전자장치.
- 제21항에 있어서,
전자장치는, 디스플레이 장치 또는 조명 장치인 것을 특징으로 하는 전자장치.
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