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US 8,012,605 B2Granted
Organic light-emitting compound and organic electroluminescent device using the same
AssigneeSamsung Mobile Display Co., Ltd.
InventorsMyeong-Suk Kim, Dong-Woo Shin, Woon-Jung Paek, Byoung-Ki Choi, O-Hyun Kwon, Eun-Sil Han
Life of this patent
Estimating the term…
Abstract
Provided are an organic light-emitting compound represented by Formula 1 and an organic electroluminescent (EL) device using the same: The organic light-emitting compound has thermostability and photochemical stability in addition to superior electrical features. The organic EL device using the organic light-emitting compound has low driving voltage, high efficiency, and superior color purity.
Claims17
An organic light-emitting compound represented by Formula 1:
- where R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13 and R14 are each independently selected from the group consisting of hydrogen, halogen, a cyano group, a nitro group, a hydroxyl group, a substituted or unsubstituted C1-C50 alkyl group, a substituted or unsubstituted C1-C50 alkoxy group, a substituted or unsubstituted C5-C50 cycloalkyl group, a substituted or unsubstituted C5-C50 heterocycloalkyl group, a substituted or unsubstituted C6-C50 aryl group on the condition that each of R1 and R8 is not an anthracene group, a substituted or unsubstituted C2-C50 heteroaryl group or —N (Z1)(Z2) or —Si (Z3)(Z4)(Z5), wherein Z1, Z2, Z3, Z4 and Z5 are each independently selected from the group consisting of hydrogen, a substituted or unsubstituted C1-C50 alkyl group, a substituted or unsubstituted C6-C50 aryl group on the condition that each of R1 and R8 is not an anthracene group, a substituted or unsubstituted C2-C50 heteroaryl group, a substituted or unsubstituted C5-C50 cycloalkyl group, or a substituted or unsubstituted C5-C50 heterocycloalkyl group;
- X is C(Z6)(Z7), N(Z8), O, S, SO2, Se, or SeO2, wherein Z6, Z7 and Z8 are each independently selected from the group consisting of hydrogen, a substituted or unsubstituted C1-C50 alkyl group, or a C6-C50 aryl group;
- and
- m and n are each independently 0, 1 or 2, but not concurrently 0, wherein
- the organic light-emitting compound further represented by one of Formulae 2 through 7 and 9 through 29:
2 more elements
An organic electroluminescent (EL) device, comprising:
- a first electrode;
- a second electrode;
- and
- at least one organic layer between the first electrode and the second electrode, the organic layer comprising an organic light-emitting compound represented by Formula 1:
- where R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13 and R14 are each independently selected from the group consisting of hydrogen, halogen, a cyano group, a nitro group, a hydroxyl group, a substituted or unsubstituted C1-C50 alkyl group, a substituted or unsubstituted C1-C50 alkoxy group, a substituted or unsubstituted C5-C50 cycloalkyl group, a substituted or unsubstituted C5-C50 heterocycloalkyl group, a substituted or unsubstituted C6-C50 aryl group on the condition that each of R1 and R8 is not an anthracene group, a substituted or unsubstituted C2-C50 heteroaryl group or —N (Z1)(Z2) or —Si (Z3)(Z4)(Z5),
- wherein Z1, Z2, Z3, Z4 and Z5 are each independently selected from the group consisting of hydrogen, a substituted or unsubstituted C1-C50 alkyl group, a substituted or unsubstituted C6-C50 aryl group on the condition that each of R1 and R8 is not an anthracene group, a substituted or unsubstituted C2-C50 heteroaryl group, a substituted or unsubstituted C5-C50 cycloalkyl group, or a substituted or unsubstituted C5-C50 heterocycloalkyl group;
- x is C(Z6)(Z7), N(Z8), O, S, SO2, Se, or SeO2, wherein Z6, Z7 and Z8 are each independently selected from the group consisting of hydrogen, a substituted or unsubstituted C1-C50 alkyl group, or a C6-C50 aryl group;
- and
- m and n are each independently 0, 1 or 2, but not concurrently 0, wherein
- the organic light-emitting compound further represented by one of Formulae 2 through 7 and 9 through 29:
7 more elements
Dependencies are inferred from the claim text.