CN105789481A - 有机电致发光器件 - Google Patents
有机电致发光器件 Download PDFInfo
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- CN105789481A CN105789481A CN201610169090.6A CN201610169090A CN105789481A CN 105789481 A CN105789481 A CN 105789481A CN 201610169090 A CN201610169090 A CN 201610169090A CN 105789481 A CN105789481 A CN 105789481A
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- 239000010410 layer Substances 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 32
- 150000001875 compounds Chemical class 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 11
- 239000012044 organic layer Substances 0.000 claims abstract description 10
- 125000001424 substituent group Chemical group 0.000 claims description 40
- 229910052799 carbon Inorganic materials 0.000 claims description 34
- 125000004432 carbon atom Chemical group C* 0.000 claims description 34
- 239000000460 chlorine Substances 0.000 claims description 32
- 125000000217 alkyl group Chemical group 0.000 claims description 26
- 125000003118 aryl group Chemical group 0.000 claims description 22
- 229910052739 hydrogen Inorganic materials 0.000 claims description 20
- 239000001257 hydrogen Substances 0.000 claims description 20
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 20
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 18
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 16
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 16
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 16
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 16
- 229910052794 bromium Inorganic materials 0.000 claims description 16
- 229910052801 chlorine Inorganic materials 0.000 claims description 16
- 229910052731 fluorine Inorganic materials 0.000 claims description 16
- 239000011737 fluorine Substances 0.000 claims description 16
- 238000005401 electroluminescence Methods 0.000 claims description 15
- 125000001624 naphthyl group Chemical group 0.000 claims description 14
- 238000007363 ring formation reaction Methods 0.000 claims description 14
- 229910052740 iodine Inorganic materials 0.000 claims description 13
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 12
- 239000011630 iodine Substances 0.000 claims description 12
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 claims description 8
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 8
- 125000001072 heteroaryl group Chemical group 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 8
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 125000005842 heteroatom Chemical group 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- 125000004414 alkyl thio group Chemical group 0.000 claims description 4
- 150000001454 anthracenes Chemical class 0.000 claims description 4
- 150000002790 naphthalenes Chemical class 0.000 claims description 4
- 230000027756 respiratory electron transport chain Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 229910052805 deuterium Inorganic materials 0.000 claims description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 125000006575 electron-withdrawing group Chemical group 0.000 abstract 2
- 238000000295 emission spectrum Methods 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 229940125904 compound 1 Drugs 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000011982 device technology Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- ATTVYRDSOVWELU-UHFFFAOYSA-N 1-diphenylphosphoryl-2-(2-diphenylphosphorylphenoxy)benzene Chemical compound C=1C=CC=CC=1P(C=1C(=CC=CC=1)OC=1C(=CC=CC=1)P(=O)(C=1C=CC=CC=1)C=1C=CC=CC=1)(=O)C1=CC=CC=C1 ATTVYRDSOVWELU-UHFFFAOYSA-N 0.000 description 1
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- WQMAANNAZKNUDL-UHFFFAOYSA-N 2-dimethylaminoethyl chloride Chemical compound CN(C)CCCl WQMAANNAZKNUDL-UHFFFAOYSA-N 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ABRVLXLNVJHDRQ-UHFFFAOYSA-N [2-pyridin-3-yl-6-(trifluoromethyl)pyridin-4-yl]methanamine Chemical compound FC(C1=CC(=CC(=N1)C=1C=NC=CC=1)CN)(F)F ABRVLXLNVJHDRQ-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
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Abstract
本发明涉及有机电致发光器件,包含阳极,阴极和一层或多层有机层,有机层中至少有一层包含一种具有如下化学式I或II所述结构式的材料。由于本发明的化学式(I)类型的化合物具有高稳定性的吸电子基团与供电子基团,它们之间具有稳定的化学键,且不存在较强的共轭。这些特点使式(I)类化合物具有较高的荧光量子效率和良好的电荷传输能力,且其发射光谱更接近于国际标准深蓝色,有利于实现更高色纯度的全彩显示器。
Description
技术领域
本发明涉及有机电致发光器件,属于有机光电领域。
背景技术
有机电致发光器件作为一种新型的显示技术,具有自发光、宽视角、低能耗、效率高、厚度薄、色彩丰富、响应速度快、可制作柔性与透明的发光器件等优点,因此有机电致发光器件技术可以应用在新型平板显示器、面光源照明及可穿戴设备等应用领域,也可以作为LCD的背光源。
经过多年的发展,有机电致发光器件技术(OLED)已经达到市场化水平。但目前广泛使用的高效率磷光材料需要用到铱、铂等稀有贵重金属而成本高昂,是OLED成本高居不下的重要因素之一。为了降低OLED材料的成本,开发可以充分利用电激发器件中三线态能级的低成本、高稳定性材料,例如具有热激发延迟荧光的化合物,是有希望解决高性能OLED材料高成本问题的方法之一。
发明内容
本发明的目的在于提供一种使用新材料的有机电致发光器件,该材料可获得更接近国际标准的深蓝色的电致发光器件,有利于实现更高色纯度的全彩显示器。
本发明所述的有机电致发光器件,包含阳极,阴极和一层或多层有机层,有机层中至少有一层包含一种具有如下化学式(I)所述的材料:
其中,Ar为未取代或者至少有一个R4取代的苯环、萘环、蒽环,n=0-3;
D为含有氮原子的供电子基团,为以下基团中的一个:
当D为-N(R2)2时,n不为零;
R1,R3,R4各自独立地选自氢H,氘D,氟F,氯Cl,溴Br,碘I,羟基OH,氰基CN,氨基NH2,硝基NO2,具有1至20个碳原子的成环或不成环的烷基,具有1至20个碳原子的成环或不成环的烷氧基,具有1至20个碳原子的成环或不成环的烷硫基,C6-C40的含一个或者多个取代基R5取代或者未取代的芳基,C6-C40的含一个或者多个取代基R5取代或者未取代的芳烃基,C5-C40的含一个或者多个取代基R5取代或者未取代的含有一个或者多个杂原子的杂芳基;R2-R4基团中的两个或多个基团可以互相连接成环;
R2独立选自C6-C40的含一个或者多个取代基R5取代或者未取代的芳基,C6-C40的含一个或者多个取代基R5取代或者未取代的芳烃基,C5-C40的含一个或者多个取代基R5取代或者未取代的含有一个或者多个杂原子的杂芳基;
R5选自氟F,氯Cl,溴Br,碘I,羟基OH,氰基CN,氨基NH2,硝基NO2,具有1至20个碳原子的成环或不成环的烷基;
所述杂原子为B,O,S,Se,N,P。
优选地,R1,R3,R4各自独立地选自氢H,氟F,氯Cl,溴Br,碘I,羟基OH,氰基CN,氨基NH2,硝基NO2,具有1至4个碳原子的烷基,具有1至4个碳原子的烷氧基,具有1至4个碳原子的烷硫基,C6-C25的含一个或者多个取代基R5取代或者未取代的芳基,C6-C25的含一个或者多个取代基R5取代或者未取代的芳烃基,C5-C25的含一个或者多个取代基R5取代或者未取代的含有一个或者多个杂原子的杂原子芳基;R2独立选自C6-C25的含一个或者多个取代基R5取代或者未取代的芳基,C6-C25的含一个或者多个取代基R5取代或者未取代的芳烃基,C5-C25的含一个或者多个取代基R5取代或者未取代的含有一个或者多个杂原子的杂芳基;R1-R4基团中的两个或多个基团可以互相连接成环;
R5选自氢H,氟F,氯Cl,溴Br,碘I,羟基OH,氰基CN,氨基NH2,硝基NO2,具有1至4个碳原子的烷基;所述杂原子为O,S,N,
Ar为未取代或有一个R4取代的苯环、萘环、蒽环。
更优选地,R1,R3,R4各自独立地选自氢H,氟F,氯Cl,溴Br,具有1至4个碳原子的烷基,C6-C25的含一个或者多个取代基R5取代或者未取代的芳基,C6-C25的含一个或者多个取代基R5取代或者未取代的芳烃基,C5-C25的含一个或者多个取代基R5取代或者未取代的含有一个或者多个杂原子的杂原子芳基;R2独立选自C6-C25的含一个或者多个取代基R5取代或者未取代的芳基,C5-C25的含一个或者多个取代基R5取代或者未取代的含有一个或者多个杂原子的杂芳基;R1-R4基团中的两个或多个基团可以互相连接成环;
R5选自氢H,氟F,氯Cl,溴Br,具有1至4个碳原子的烷基;
所述杂原子为O,S,N。
进一步优选:
R1选自具有1至4个碳原子的烷基,含一个或者多个取代基R5取代或者未取代的苯基、萘基、蒽基;
R2独立为含一个或者多个取代基R5取代或者未取代的苯基、萘基或蒽基;
R3选自氢H,氟F,氯Cl,溴Br,碘I,具有1至4个碳原子的烷基,含一个或者多个取代基R5取代或者未取代的苯基、萘基或蒽基;
R4选自氢H,氟F,氯Cl,溴Br,碘I,具有1至4个碳原子的烷基,苯基,萘基;
R5选自氢H,具有1至4个碳原子的烷基。
特别优选:
R1选自具有1至4个碳原子的烷基;
R2独立为苯基、萘基或蒽基;
R3选自氢H,具有1至4个碳原子的烷基,苯基,萘基;
R4选自氢H,具有1至4个碳原子的烷基,苯基,萘基。
式I所述的材料,为下列结构中的一个:
优选为下列化合物:
所述一层或多层有机层分别为空穴注入层,空穴传输层,发光层,空穴阻挡层和电子传输层中一种或多层。
所述式(I)所述的材料应用于空穴注入层,空穴传输层和/或发光层中。
所述式(I)所述的材料作为空穴注入材料或者空穴传输材料时,可以单一材料作为一层,也可以多种材料搭配组成一层。
所述式(I)所述的材料作为发光层时,可以作为单一发光层或者掺杂其他材料作为发光层。
所述有机层可以通过蒸渡或旋涂制备成薄膜。
由于本发明的化学式(I)类型的化合物具有高稳定性的吸电子基团与供电子基团,它们之间具有稳定的化学键,且不存在较强的共轭。这些特点使式(I)类化合物具有较高的荧光量子效率和良好的电荷传输能力,且更接近于国际标准深蓝色,应用于有机电致发光器件中,可以使得该器件具有较好的发光性能。
附图说明
图1为本发明的器件结构图,10代表玻璃基板,20代表阳极ITO,30代表为空穴传输层,40代表电子/激子阻挡层,50代表为发光层,60代表为激子阻挡层,70代表为电子传输层,80代表为电子注入层,90代表为阴极。
图2为化合物1的1H-NMR图。
具体实施方式
下面结合实施例对本发明做进一步的详细说明。但不应被视为以任何方式限制本发明。
实施例1:化合物1的合成
向反应容器中依次加入2g(0.018mol)二甲氨基甲酰氯,20ml四氢呋喃溶剂,对装置进行除氧、通入氮气保护,冷却降温至反应液温度至-75~-65℃,缓慢滴加10ml1.6Mn-BuLi/THF溶液,控制反应液温度在-75~-65℃,滴加完毕后,继续保持此温度反应0.5-1h。后将6g化合物1-1滴加进去,控制反应液温度在-75~-65℃,滴加完毕后,继续保持此温度反应0.5-1h,后反应液移至室温自然升温反应4-6h,停止反应。加入乙酸乙酯/去离子水萃取,水层再用乙酸乙酯萃取,合并有机层,无水硫酸镁干燥,抽滤,滤液浓缩得到灰白色固体。将得到的固体进行柱层析,得到白色固体粉末3g。
实施例2:下面是本发明化合物的应用实例。
器件结构如图1。器件制备方式:
首先,将透明导电ITO玻璃(带有阳极20的玻璃基板10)依次经洗涤剂溶液、去离子水、丙酮超声清洗,异丙醇蒸汽清洗,再用氧气等离子处理5分钟。
然后,在ITO上蒸镀35nm厚的NPB作为空穴传输层30。
然后,蒸镀5nm厚的mCP作为电子/激子阻挡层40。
然后,蒸镀20nm厚的发光层50,以mCP作为主体材料,本发明的化合物1作为掺杂材料,掺杂浓度为3%。
然后,蒸镀10nm厚的mCP作为激子阻挡层60。
然后,蒸镀30nm厚的TPBi作为电子传输层70。
最后,蒸镀1nm厚的LiF作为电子注入层80和100nmAl作为阴极90。
本发明所制备的有机电致发光器件发射近紫外光,发射波长在416nm,色坐标为(0.17,0.09)。
比较例
比较例采用文献Angew.Chem.Int.Ed.2014,53,6402–6406中报道的化合物Cz2BP代替化合物1,器件结构与文献中一致,且与实施例6中的器件结构基本相同,除了主体材料及激子阻挡材料采用DPEPO。比较例制备的有机电致发光器件发射波长在446nm,色坐标为(0.16,0.14)。
因此,本发明的材料相比较已报道材料,具有更加接近于国家电视标准委员会(NationalTelevisionStandardsCommittee,NTSC)关于深蓝光的标准(0.14,0.08)的色坐标。
Claims (9)
1.有机电致发光器件,包含阳极,阴极和一层或多层有机层,有机层中至少有一层包含一种具有如下化学式(I)所述的材料:
其中,Ar为未取代或者至少有一个R4取代的苯环、萘环、蒽环,n=0-3;
D为含有氮原子的供电子基团,为以下基团中的一个:
当D为-N(R2)2时,n不为零;
R1,R3,R4各自独立地选自氢H,氘D,氟F,氯Cl,溴Br,碘I,羟基OH,氰基CN,氨基NH2,硝基NO2,具有1至20个碳原子的成环或不成环的烷基,具有1至20个碳原子的成环或不成环的烷氧基,具有1至20个碳原子的成环或不成环的烷硫基,C6-C40的含一个或者多个取代基R5取代或者未取代的芳基,C6-C40的含一个或者多个取代基R5取代或者未取代的芳烃基,C5-C40的含一个或者多个取代基R5取代或者未取代的含有一个或者多个杂原子的杂芳基;R2-R4基团中的两个或多个基团可以互相连接成环;
R2独立选自C6-C40的含一个或者多个取代基R5取代或者未取代的芳基,C6-C40的含一个或者多个取代基R5取代或者未取代的芳烃基,C5-C40的含一个或者多个取代基R5取代或者未取代的含有一个或者多个杂原子的杂芳基;
R5选自氟F,氯Cl,溴Br,碘I,羟基OH,氰基CN,氨基NH2,硝基NO2,具有1至20个碳原子的成环或不成环的烷基;
所述杂原子为B,O,S,Se,N,P。
2.根据权利要求1所述的有机电子发光材料,其中R1,R3,R4各自独立地选自氢H,氟F,氯Cl,溴Br,碘I,羟基OH,氰基CN,氨基NH2,硝基NO2,具有1至4个碳原子的烷基,具有1至4个碳原子的烷氧基,具有1至4个碳原子的烷硫基,C6-C25的含一个或者多个取代基R5取代或者未取代的芳基,C6-C25的含一个或者多个取代基R5取代或者未取代的芳烃基,C5-C25的含一个或者多个取代基R5取代或者未取代的含有一个或者多个杂原子的杂原子芳基;R2独立选自C6-C25的含一个或者多个取代基R5取代或者未取代的芳基,C6-C25的含一个或者多个取代基R5取代或者未取代的芳烃基,C5-C25的含一个或者多个取代基R5取代或者未取代的含有一个或者多个杂原子的杂芳基;R1-R4基团中的两个或多个基团可以互相连接成环;
R5选自氢H,氟F,氯Cl,溴Br,碘I,羟基OH,氰基CN,氨基NH2,硝基NO2,具有1至4个碳原子的烷基;所述杂原子为O,S,N,
Ar为未取代或有一个R4取代的苯环、萘环、蒽环。
3.根据权利要求2所述的有机电子发光材料,其中R1,R3,R4各自独立地选自氢H,氟F,氯Cl,溴Br,具有1至4个碳原子的烷基,C6-C25的含一个或者多个取代基R5取代或者未取代的芳基,C6-C25的含一个或者多个取代基R5取代或者未取代的芳烃基,C5-C25的含一个或者多个取代基R5取代或者未取代的含有一个或者多个杂原子的杂原子芳基;R2独立选自C6-C25的含一个或者多个取代基R5取代或者未取代的芳基,C5-C25的含一个或者多个取代基R5取代或者未取代的含有一个或者多个杂原子的杂芳基;R1-R4基团中的两个或多个基团可以互相连接成环;
R5选自氢H,氟F,氯Cl,溴Br,具有1至4个碳原子的烷基;
所述杂原子为O,S,N。
4.根据权利要求3所述的有机电子发光材料,其中R1选自具有1至4个碳原子的烷基,含一个或者多个取代基R5取代或者未取代的苯基、萘基、蒽基;
R2独立为含一个或者多个取代基R5取代或者未取代的苯基、萘基或蒽基;
R3选自氢H,氟F,氯Cl,溴Br,碘I,具有1至4个碳原子的烷基,含一个或者多个取代基R5取代或者未取代的苯基、萘基或蒽基;
R4选自氢H,氟F,氯Cl,溴Br,碘I,具有1至4个碳原子的烷基,苯基,萘基;
R5选自氢H,具有1至4个碳原子的烷基。
5.根据权利要求4所述的有机电子发光材料,其中R1选自具有1至4个碳原子的烷基;
R2独立为苯基、萘基或蒽基;
R3选自氢H,具有1至4个碳原子的烷基,苯基,萘基;
R4选自氢H,具有1至4个碳原子的烷基,苯基,萘基。
6.根据权利要求5所述的有机电致发光器件,所述化学式(I)所述的材料为下列化合物中的一个:
7.根据权利要求2所述的有机电致发光器件,所述化学式(I)所述的材料为为下列化合物:
8.根据权利要求1-7任一所述的有机电致发光器件,所述一层或多层有机层分别为空穴注入层,空穴传输层,发光层,空穴阻挡层和电子传输层中一层或多层。
9.根据权利要求8所述的有机电致发光器件,所述式(I)所述的材料作为发光层时,可以作为单一发光层或者掺杂其他材料作为发光层。
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CN108299213B (zh) * | 2018-03-19 | 2020-12-08 | 同济大学 | 一类二苯胺基联苯基羰基类化合物在光固化配方体系中的应用 |
CN109369557A (zh) * | 2018-11-08 | 2019-02-22 | 烟台九目化学制品有限公司 | 一种萘并七元氮氧杂环为核心结构的有机化合物制备及其在oled上的应用 |
CN109369557B (zh) * | 2018-11-08 | 2022-04-05 | 烟台九目化学股份有限公司 | 一种萘并七元氮氧杂环为核心结构的有机化合物制备及其在oled上的应用 |
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CN105789481B (zh) | 2018-06-19 |
US20180301637A1 (en) | 2018-10-18 |
WO2016197731A1 (zh) | 2016-12-15 |
KR20180008495A (ko) | 2018-01-24 |
TW201643134A (zh) | 2016-12-16 |
JP2018518841A (ja) | 2018-07-12 |
KR101994468B1 (ko) | 2019-06-28 |
HK1224429A1 (zh) | 2017-08-18 |
JP6523489B2 (ja) | 2019-06-05 |
TWI589554B (zh) | 2017-07-01 |
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