Abstract:
Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure represented as follows: wherein R are each independently an hydrogen, or a C1-8 alkyl group, and wherein R1 and R2 are each independently an hydrogen, or a C1-8 alkyl group, R3 is a hydrogen, and R1 and R2 are not hydrogen group simultaneously; or wherein R1 and R2 link together with the carbon atoms bonded thereto to form a phenyl group; wherein R2 and R3 link together with the carbon atoms bonded thereto to form a phenyl group.
Abstract:
Organic compounds and organic electroluminescent devices employing the same are provided. The organic compound has a chemical structure represented below: wherein, R1, R2, R3, R4, R5, and R6 are independent and can be H, C1-8 alkyl, C1-8 alkoxy, C1-8 halo-alkyl, aryl, heteroaryl, cycloalkyl, hetero-cycloalkyl, or cycloaliphatic group, and A is S, or
Abstract:
An organic light-emitting laminate for use in an organic electroluminescent device, characterized in comprising: a first light-emitting layer, including a first main light-emitting material and a first phosphorescent material, a second light-emitting layer, including a second main light-emitting material and a second phosphorescent material, formed on the first light-emitting layer, and a carrier-transporting material, which is included in at least one of the first light-emitting layer and the second light-emitting layer; wherein the first main light-emitting material, the second main light-emitting material and the carrier-transporting material each have a triplet energy level higher than that of the first phosphorescent material and the second phosphorescent material. The present invention also provides an organic electroluminescent device containing the organic light-emitting laminate.
Abstract:
Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure represented as follows: wherein R are each independently an hydrogen, or a C1-8 alkyl group, and wherein R1 and R2 are each independently an hydrogen, or a C1-8 alkyl group, R3 is a hydrogen, and R1 and R2 are not hydrogen group simultaneously; or wherein R1 and R2 link together with the carbon atoms bonded thereto to form a phenyl group; wherein R2 and R3 link together with the carbon atoms bonded thereto to form a phenyl group.
Abstract:
Provided is an organic light-emitting laminate for use in an organic electroluminescent device, characterized in comprising: a first light-emitting layer, including a first main light-emitting material and a first phosphorescent material, a second light-emitting layer, including a second main light-emitting material and a second phosphorescent material, formed on the first light-emitting layer, and a carrier-transporting material, which is included in at least one of the first light-emitting layer and the second light-emitting layer; wherein the first main light-emitting material, the second main light-emitting material and the carrier-transporting material each have a triplet energy level higher than that of the first phosphorescent material and the second phosphorescent material. The present invention also provides an organic electroluminescent device containing the organic light-emitting laminate.
Abstract:
In an embodiment, a carbazole derivative is provided. The carbazole derivative has formula (I): In formula (I), Ar1 and Ar2 are, independently, substituted or unsubstituted phenyl, naphthalenyl or heteroaryl containing nitrogen, oxygen or sulfur, and R is hydrogen, methyl or t-butyl. In another embodiment, an organic light emitting diode including the carbazole derivative is provided.
Abstract:
Organic compounds and organic electroluminescent devices employing the same are provided. The organic compound has a chemical structure represented below: wherein, R1, R2, R3, R4, R5, and R6 are independent and can be H, C1-8 alkyl, C1-8 alkoxy, C1-8 halo-alkyl, aryl, heteroaryl, cycloalkyl, hetero-cycloalkyl, or cycloaliphatic group, and A is S, or
Abstract:
Organometallic compounds and organic electroluminescence devices and compositions employing the same are provided. The organic metal compound has a chemical structure represented by formula (I) or formula (II): wherein, R is an alkyl group, or cycloalkyl group, such as C1-12 alkyl group, or C4-12 cycloalkyl group.
Abstract:
Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure represented as follows: wherein, R1 and R2 are independent and can be aryl, heteroaryl, cycloalkyl, hetero-cycloalkyl, or a cycloaliphatic group, or R1 and R2 link together with the carbon atoms to which they are attached to form a fused aryl, heteroaryl, cycloalkyl, hetero-cycloalkyl, or a cycloaliphatic group, and R3, R4, and R5 are independent and can be H, C1-8 alkyl, C1-8 alkoxy, C1-8 halo-alkyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, or a cycloaliphatic group.
Abstract:
In an embodiment, a carbazole derivative is provided. The carbazole derivative has formula (I): In formula (I), Ar1 and Ar2 are, independently, substituted or unsubstituted phenyl, naphthalenyl or heteroaryl containing nitrogen, oxygen or sulfur, and R is hydrogen, methyl or t-butyl. In another embodiment, an organic light emitting diode including the carbazole derivative is provided.