Compound for organic optoelectronic device, composition for organic optoelectronic device and organic optoelectronic device and display device

Patent metadata

Field	Value
Publication number	US-12590101-B2
Application number	US-202217725882-A
Country	US
Kind code	B2
Filing date	Apr 21, 2022
Priority date	Oct 29, 2019
Publication date	Mar 31, 2026
Grant date	Mar 31, 2026

Abstract

A compound for an organic optoelectronic element, a composition for an organic optoelectronic element, the composition including the compound, an organic optoelectronic device including the compound or the composition for an organic optoelectronic device, and a display device including the organic optoelectronic device, the compound being represented by a combination of Chemical Formula 1, Chemical Formula 2, and Chemical Formula 3.

First claim

What is claimed is:

1 . A compound for an organic optoelectronic element represented by a combination of Chemical Formula 1 to Chemical Formula 3:

wherein, in Chemical Formula 1 to Chemical Formula 3,
X 1 and X 2 are each independently O or S,
Z is hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted phenyl group,
L 1 and L 2 are each independently a single bond or a substituted or unsubstituted C6 to C20 arylene group,
a* or b* of Chemical Formula 1 is linked to c* of Chemical Formula 2,
two adjacent ones of d 1 * to d 4 * of Chemical Formula 2 are linking carbons linked at e 1 * and e 2 * of Chemical Formula 3, respectively,
the remaining a* or b*, not linked to c* of Chemical Formula 2, is R a ,
the remaining two of d 1 * to d 4 * of Chemical Formula 2, not linked at e 1 * and e 2 * of Chemical Formula 3, are each independently CR b , and
R a , R b , and R 1 to R 7 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C6 to C20 aryl group, or a substituted or unsubstituted C2 to C30 heterocyclic group.

2 . The compound as claimed in claim 1 , wherein:
the combination of Chemical Formulas 1 and 2 is represented by Chemical Formula 1A or Chemical Formula 1B:

in Chemical Formula 1A and Chemical Formula 1B, X 1 , Z, L 1 , L 2 , R a , R 1 to R 5 , and d 1 * to d 4 * are defined the same as those of Chemical Formula 1 and Chemical Formula 2.

3 . The compound as claimed in claim 1 , wherein:
the combination of Chemical Formulas 1 and 2 is represented by Chemical Formula Chemical Formula 1A-3 or Chemical Formula 1B-2:

in Chemical Formula 1A-3 and Chemical Formula 1B-2, X 1 , Z, L 1 , L 2 , R a , R 1 to R 5 , and d 1 * to d 4 * are defined the same as those of Chemical Formula 1 and Chemical Formula 2.

4 . The compound as claimed in claim 3 , wherein the combination of Chemical Formulas 1 and 2 is represented by Chemical Formula 1A-3.

5 . The compound as claimed in claim 1 , wherein the combination of Chemical Formulas 2 and 3 is represented by one of Chemical Formula 2A to Chemical Formula 2F:

wherein, in Chemical Formula 2A to Chemical Formula 2F,
X 2 , L 1 , L 2 , c*, and R 3 to R 7 are defined the same as in claim 1 , those of Chemical Formula 2 and Chemical Formula 3, and
R b1 to R b4 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C6 to C20 aryl group, or a substituted or unsubstituted C2 to C30 heterocyclic group.

6 . The compound as claimed in claim 5 , wherein the combination of Chemical Formulas 2 and 3 is represented by one of Chemical Formula 2A, Chemical Formula 2B, Chemical Formula 2D, and Chemical Formula 2F.

7 . The compound as claimed in claim 1 , wherein the combination of Chemical Formulas 1 to 3 is represented by one of Chemical Formula 1A-3-2A, Chemical Formula 1A-3-2B, Chemical Formula 1A-3-2D, and Chemical Formula 1A-3-2F:

wherein, in Chemical Formula 1A-3-2A, Chemical Formula 1A-3-2B, Chemical Formula 1A-3-2D, and Chemical Formula 1A-3-2F,
X 1 , X 2 , Z, L 1 , L 2 , R a , and R 1 to R 7 are the same as in claim 1 , defined the same as those of Chemical Formula 1 to Chemical Formula 3, and
R b1 , R b3 , and R b4 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C6 to C20 aryl group, or a substituted or unsubstituted C2 to C30 heterocyclic group.

8 . The compound as claimed in claim 1 , wherein:
Z is hydrogen or a phenyl group, L 1 and L 2 are each independently a single bond or a phenylene group, and R a , R b , R 1 to R 4 , R 6 , and R 7 are each independently hydrogen or a substituted or unsubstituted phenyl group.

9 . The compound as claimed in claim 1 , wherein R 5 is a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, or a substituted or unsubstituted carbazolyl group.

10 . The compound as claimed in claim 1 , wherein the compound is a compound of Group 1:

Assignees

• Samsung Sdi Co Ltd

Inventors

• Lee Seungjae
• Shin Chang Ju
• An Eunhye
• Won Jongwoo
• Jeong Wooseok
• Kim Hyung Sun
• Park Seungin
• Jung Sung-Hyun
• Jo Youngkyoung

Classifications

• H10K2101/40

  Interrelation of parameters between multiple constituent active layers or sublayers, e.g. HOMO values in adjacent layers · CPC title

• H10K2101/30

  Highest occupied molecular orbital [HOMO], lowest unoccupied molecular orbital [LUMO] or Fermi energy values · CPC title

• H10K2101/10

  Triplet emission · CPC title

• H10K50/11

  characterised by the electroluminescent [EL] layers · CPC title

• H10K85/6576

  comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene · CPC title