An organic EL device comprising a pair of electrodes and a light emitting layer disposed between the electrodes, wherein the above-described light emitting layer is a light emitting layer comprising at least one compound selected from the group consisting of the following compounds (I) to (IV) and derivatives thereof, and a first light emitting polymer, for a light emitting layer comprising a second light emitting polymer having as a repeating unit a divalent residue of at least one compound selected from the group consisting of the above-described compounds (I) to (IV) and derivatives thereof:
(I) perylene tetracarboxylic diimide or naphthalene tetracarboxylic diimide
(II) perylene tetracarboxylic dianhydride or naphthalene tetracarboxylic dianhydride
(III) perylene tetracarboxylic bisimidazole or naphthalene tetracarboxylic bisimidazole
(IV) perylene tetracarboxylic bispyrimidine or naphthalene tetracarboxylic bispyrimidine.
一种有机电致发光器件,包括一对电极和设置在电极之间的发光层,其中上述发光层是由至少一种选自由下列化合物(I)至(IV)及其衍
生物组成的组的化合物和第一种发光聚合物组成的发光层,用于由第二种发光聚合物组成的发光层,第二种发光聚合物具有至少一种选自由上述化合物(I)至(IV)及其衍
生物组成的组的化合物的二价残基作为重复单元:
(I) 四羧
酰亚胺或四羧
酰亚胺萘
(II) 聚烯四
羧酸二酐或
萘四
羧酸二酐
(III) 聚烯四
羧酸二
咪唑或
萘四
羧酸二
咪唑
(IV) 聚烯四羧基双
嘧啶或
萘四羧基双
嘧啶。