Organic compound, composition, organic optoelectronic diode, and display device

Patent metadata

Field	Value
Publication number	US-10873033-B2
Application number	US-201415116630-A
Country	US
Kind code	B2
Filing date	Jul 21, 2014
Priority date	Apr 9, 2014
Publication date	Dec 22, 2020
Grant date	Dec 22, 2020

Abstract

The present invention relates to: an organic compound which is represented by formula 1 and has a molecular weight of less than 750; a composition for an organic optoelectronic diode which includes the organic compound; an organic optoelectronic diode which applies the organic compound and the composition; and a display device which includes the organic optoelectronic diode.

First claim

The invention claimed is:

1. An organic compound represented by Chemical Formula 1 and having a molecular weight of less than 750:

wherein, in Chemical Formula 1,
L is represented by one of the groups listed in Group 1, below,

in which R 9 to R 11 are hydrogen and * is a linking point,

R 1 to R 8 are hydrogen.

2. A composition for an organic optoelectronic diode, comprising:
the first organic compound according to claim 1 , and
at least one second organic compound having a carbazole moiety.

3. The composition for an organic optoelectronic diode of claim 2 , wherein the second organic compound comprises at least one of a compound represented by Chemical Formula 4 and a compound consisting of a combination of a moiety represented by Chemical Formula 5 and a moiety represented by Chemical Formula 6:

wherein, in Chemical Formula 4,
Y 1 is a single bond, a substituted or unsubstituted C1 to C20 alkylene group, a substituted or unsubstituted C2 to C20 alkenylene group, a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C2 to C30 heteroarylene group, or a combination thereof,
Ar 1 is a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, or a combination thereof,
R 12 to R 15 are independently hydrogen, deuterium, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C50 aryl group, a substituted or unsubstituted C2 to C50 heteroaryl group, or a combination thereof, and
at least one of R 12 to R 15 and Ar 1 includes one of a substituted or unsubstituted triphenylene group or a substituted or unsubstituted carbazole group,

wherein, in Chemical Formulae 5 and 6,
Y 2 and Y 3 are independently a single bond, a substituted or unsubstituted C1 to C20 alkylene group, a substituted or unsubstituted C2 to C20 alkenylene group, a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C2 to C30 heteroarylene group, or a combination thereof,
Ar 2 and Ar 3 are independently substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, or a combination thereof,
R 16 to R 19 are independently hydrogen, deuterium, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C50 aryl group, a substituted or unsubstituted C2 to C50 heteroaryl group, or a combination thereof,
two adjacent *'s of Chemical Formula 5 is combined with two *'s of Chemical Formula 6 to form a fused ring and in Chemical Formula 5, *'s not forming the fused ring are independently CR b , and
R b is hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C6 to C12 aryl group, a substituted or unsubstituted C3 to C12 heteroaryl group, or a combination thereof.

4. The composition for an organic optoelectronic diode of claim 3 , wherein the second organic compound represented by Chemical Formula 4 is represented by one of Chemical Formulae 4-I to 4-III:

wherein, in Chemical Formulae 4-I to 4-III,
Y 1 , Y 4 , and Y 5 are independently a single bond, a substituted or unsubstituted C1 to C20 alkylene group, a substituted or unsubstituted C2 to C20 alkenylene group, a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C2 to C30 heteroarylene group, or a combination thereof,
Ar 1 and Ar 4 are independently substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, or a combination thereof, and
R 12 to R 15 and R 20 to R 31 are independently hydrogen, deuterium, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C50 aryl group, a substituted or unsubstituted C2 to C50 heteroaryl group, or a combination thereof.

5. The composition for an organic optoelectronic diode of claim 3 , wherein the second organic compound represented by Chemical Formula 4 is selected from compounds listed in Group 3:

6. The composition for an organic optoelectronic diode of claim 3 , wherein the compound consisting of the moiety represented by Chemical Formula 5 and the moiety represented by Chemical Formula 6 is selected from the compounds listed in Group 4:

Assignees

• Samsung Sdi Co Ltd

Inventors

• Lee Han-Ill
• Han Su-Jin
• Kim Young-Kwon
• Yu Eun-Sun
• Jung Ho-Kuk

Classifications

• C07D213/22

  containing two or more pyridine rings directly linked together, e.g. bipyridyl · CPC title

• C07D209/88

  with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system · CPC title

• C07D409/14

  containing three or more hetero rings · CPC title

• C07D213/53

  Nitrogen atoms · CPC title

• C07C2603/42

  containing only six-membered rings · CPC title