Anthracene derivative and organic electroluminescence element using the same
View Patent ↗The present invention relates to an anthracene derivative and an organic electroluminescent device using the same. More specifically, the present invention relates to: a novel compound which has a core (for example, an indenoanthracene core) where both an anthracene moiety with excellent device characteristics and a fluorene moiety with excellent fluorescent properties are fused, wherein substituents (for example, a heterocyclic group such as a benzimidazole group, a benzothiazole group, a benzoxazole group, a pyridinyl group or a bipyridinyl group) with an electron transfer capacity are substituted to the core; and an organic electroluminescence element which has improved luminous efficiency, brightness, thermal stability, driving voltage, and lifetime, by comprising an organic layer which is positioned between a positive electrode and negative electrode and contains the novel compound.
1. A compound represented by following Formula 1:
wherein in Formula 1, X is selected from the group consisting of CR 6 R 7 , NR 6 , O, S, S(═O), S(═O) 2 and SiR 6 R 7 ; and
R 1 through R 7 are the same or different and each independently selected from the group consisting of hydrogen (H), deuterium (D), an alkyl group of C 1 ˜C 40 , an alkenyl group of C 2 ˜C 40 , an alkynyl group of C 2 ˜C 40 , a cycloalkyl group of C 3 ˜C 40 , a heterocycloalkyl group of C 3 ˜C 40 , an arylalkyl group of C 6 ˜C 40 , an alkyloxy group of C 1 ˜C 40 , an aryloxy group of C 5 ˜C 40 , an aryl group of C 5 ˜C 40 , a heteroaryl group of C 5 ˜C 40 , a substituent represented by Formula 2 below, and a substituent represented by Formula 3 below,
wherein at least one of R 1 through R 4 is a substituent represented by Formula 2, or a substituent represented by Formula 3,
in Formulas 2 and 3, Y is selected from the group including N—R 9 , S, and O;
R 8 through R 10 are the same or different and each independently selected from the group consisting of hydrogen (H), deuterium (D), an alkyl group of C 1 ˜C 40 , an alkenyl group of C 2 ˜C 40 , an alkynyl group of C 2 ˜C 40 , a cycloalkyl group of C 3 ˜C 40 , a heterocycloalkyl group of C 3 ˜C 40 , an arylalkyl group of C 6 ˜C 40 , an alkyloxy group of C 1 ˜C 40 , an aryloxy group of C 5 ˜C 40 , an aryl group of C 5 ˜C 40 , and a heteroaryl group of C 5 ˜C 40 ; and
A represents a single bond, an arylene group of C 5 ˜C 40 , or a heteroarylene group of C 5 ˜C 40 .
2. The compound as claimed in claim 1 , wherein in R 1 through R 10 , the alkyl group of C 1 ˜C 40 , the alkenyl group of C 2 ˜C 40 , the alkynyl group of C 2 ˜C 40 , the cycloalkyl group of C 3 ˜C 40 , the heterocycloalkyl group of C 3 ˜C 40 , the arylalkyl group of C 6 ˜C 40 , the alkyloxy group of C 1 ˜C 40 , the aryloxy group of C 5 ˜C 40 , the aryl group of C 5 ˜C 40 , and the heteroaryl group of C 5 ˜C 40 are each independently substituted by at least one selected from the group consisting of deuterium, halogen, a nitrile group, a nitro group, an alkyl group of C 1 ˜C 40 , an alkenyl group of C 2 ˜C 40 , an alkynyl group of C 2 ˜C 40 , an alkoxy group of C 1 ˜C 40 , an amino group of C 1 ˜C 40 , a cycloalkyl group of C 3 ˜C 40 , a heterocycloalkyl group of C 3 ˜C 40 , an arylalkyl group of C 6 ˜C 40 , an aryl group of C 5 ˜C 40 or a heteroaryl group of C 5 ˜C 40 .
3. An organic electroluminescent device comprising:
an anode;
a cathode; and
one or more organic material layers intervened between the anode and the cathode,
wherein at least one layer of the organic material layers comprises the compound represented by Formula 1 as claimed in claim 2 .
4. The organic electroluminescent device as claimed in claim 3 , wherein the organic material layer comprising the compound represented by Formula 1 is an electron transport layer.
5. An organic electroluminescent device comprising:
an anode;
a cathode; and
one or more organic material layers intervened between the anode and the cathode,
wherein at least one layer of the organic material layers comprises the compound represented by Formula 1 as claimed in claim 1 .
6. The organic electroluminescent device as claimed in claim 5 , wherein the organic material layer comprising the compound represented by Formula 1 is an electron transport layer.