摘要:
An organic electroluminescent device which includes a cathode, an organic emitting layer which includes a quinoline derivative and a quinacridone or quinazoline compound, an organic positive hole transport layer, and an anode, laminated in sequence, has a high emission efficiency and a high color purity of light emitted from the EL device.
摘要:
A water soluble disazo compound represented by the general formula: ##STR1## wherein X represents a hydrogen atom or a methyl, methoxy or ethoxy group, Y represents a methoxy or ethoxy group, R.sub.1 represents a hydrogen atom or a methyl group, R.sub.2 represents a hydrogen atom or a methyl, --C.sub.2 H.sub.4 OH, ##STR2## group, and the ##STR3## group is bonded at the 6- or 7-position, a copper complex salt thereof, and a sheet or film colored therewith.
摘要翻译:一种由以下通式表示的水溶性双偶氮化合物:其中X表示氢原子或甲基,甲氧基或乙氧基,Y表示甲氧基或乙氧基,R1表示氢原子或 甲基,R 2表示氢原子或甲基,-C 2 H 4 OH,IMAGE>基团,并且在6位或7位上的< IMAGE>基团,其铜配合物盐和与其着色的片或膜 。
摘要:
Electroluminescent device with improved luminous efficiency, where a fluorescent emitting layer and a positive-hole transporting layer are layered on each other and arranged between a cathode and an anode, the two layers comprising organic compounds and the fluorescent emitting layer being composed of quinoline derivative as a host material, characterized by containing in the fluorescent emitting layer, as a guest material, a quinacridone compound of the following formula (A); ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, methyl group or chlorine or the dehydro form of the quinacridone compound.