Composition for optoelectronic device, organic optoelectronic device, and display device

Patent metadata

Field	Value
Publication number	US-2023172061-A1
Application number	US-202217899940-A
Country	US
Kind code	A1
Filing date	Aug 31, 2022
Priority date	Sep 3, 2021
Publication date	Jun 1, 2023
Grant date	—

Abstract

A composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device, the composition including a first compound, a second compound, and a third compound, wherein the first compound is represented by Chemical Formula I or Chemical Formula II, the second compound is represented by Chemical Formula III, and the third compound is represented by Chemical Formula IV:

First claim

What is claimed is:

1 . A composition for an organic optoelectronic device, the composition comprising:
a first compound; a second compound; and a third compound, wherein: the first compound is represented by Chemical Formula I or Chemical Formula II, the second compound is represented by Chemical Formula III, and the third compound is represented by Chemical Formula IV: in Chemical Formula I and Chemical Formula II, Z 1 to Z 6 are each independently N or C—L a —R a , at least two of Z 1 to Z 3 are N, at least two of Z 4 to Z 6 are N, X 1 is O or S, L a and L 1 to L 6 are each independently a single bond, a substituted or unsubstituted C6 to C20 arylene group, a substituted or unsubstituted C2 to C20 heterocyclic group, or a combination thereof, R 1 , R 2 , R 6 , and R 7 are each independently a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, or a combination thereof, R a , R 3 to R 5 , and R 8 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a substituted or unsubstituted thioaryl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a halogen, a cyano group, or a combination thereof, n1 and n4 are each independently an integer of 1 to 3, and n2 and n3 are each independently an integer of 1 to 4, in Chemical Formula I, each R a is separately present or is linked to R 1 or R 2 to form a substituted or unsubstituted heteroaromatic polycyclic ring, and R 3 to R 5 are separately present or adjacent ones thereof are linked to each other to form a substituted or unsubstituted heteroaromatic polycyclic ring, in Chemical Formula II, each R a is separately present or is linked to R 6 or R 7 to form a substituted or unsubstituted heteroaromatic polycyclic ring, and ring A is represented by one of Chemical Formula II-1 to Chemical Formula II-14, in Chemical Formula II-1 to Chemical Formula II-14, X 2 is O or S, R 9 to R 24 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a halogen, a cyano group, or a combination thereof, n5, n7, n10, n13 to n15, n17, n18, and n20 are each independently an integer of 1 to 4, n6, n8, n9, n11, n12, n16, and n19 are each independently 1 or 2, and * is a linking carbon; in Chemical Formula III, L 7 is a single bond, a substituted or unsubstituted C6 to C20 arylene group, a substituted or unsubstituted C2 to C20 heterocyclic group, or a combination thereof, Ar 1 is a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, or a combination thereof, each R 25 is independently hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a halogen, a cyano group, or a combination thereof, n21 is an integer of 1 to 4, and ring B is represented by one of Chemical Formula III-1 to Chemical Formula III-4: in Chemical Formula III-1 to Chemical Formula III-4, L 8 and L 9 are each independently a single bond, a substituted or unsubstituted C6 to C20 arylene group, a substituted or unsubstituted C2 to C20 heterocyclic group, or a combination thereof, L 10 is a single bond or a substituted or unsubstituted C6 to C20 arylene group, Ar 2 and Ar 3 are each independently a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, or a combination thereof, R 26 to R 30 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a halogen, a cyano group, or a combination thereof, n22 and n23 are each independently an integer of 1 to 3, n25 is 1 or 2, n24 and n26 are each independently one of integers from 1 to 4, and * is a linking carbon; in Chemical Formula IV, L 11 is a single bond, a substituted or unsubstituted C6 to C20 arylene group, a substituted or unsubstituted C2 to C20 heterocyclic group, or a combination thereof, R 31 to R 37 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a halogen, a cyano group, or a combination thereof, n27, n28, and n31 to n33 are each independently an integer of 1 to 4, and n29 and n30 are each independently an integer of 1 to 3.

2 . The composition as claimed in claim 1 , wherein:
the first compound is represented by Chemical Formula I-A, Chemical Formula II-A, Chemical Formula II-E, Chemical Formula II-O, or Chemical Formula II-U: in Chemical Formula I-A, Chemical Formula II-A, Chemical Formula II-E, Chemical Formula II-O, and Chemical Formula II-U, Z 1 to Z 6 , L 1 to L 6 , R 1 to R 9 , R 12 to R 14 , R 20 to R 24 , X 1 , X 2 , n1 to n5, n8 to n10, and n16 to n20 are defined the same as those of Chemical Formulae I and II.

3 . The composition as claimed in claim 1 , wherein:
the second compound is represented by Chemical Formula III-A or Chemical Formula III-F: in Chemical Formula III-A and Chemical Formula III-F, L 7 to L 10 , Ar 1 to Ar 3 , R 25 to R 30 and n21 to n26 are defined the same as those of Chemical Formula III.

4 . The composition as claimed in claim 3 , wherein:
the second compound is represented by Chemical Formula III-A, Chemical Formula III-A is represented by Chemical Formula III-A-1 or Chemical Formula III-A-2: in Chemical Formula III-A-1 and Chemical Formula III-A-2, L 7 , L 8 , Ar 1 , Ar 2 , R 25 to R 28 and n21 to n24 are defined the same as those of Chemical Formula III.

5 . The composition as claimed in claim 1 , wherein:
the third compound is represented by one of Chemical Formula IV-1 to Chemical Formula IV-4: in Chemical Formula IV-1 to Chemical Formula IV-4, L 11 , R 31 to R 17 and n27 to n33 are defined the same as those of Chemical Formula IV.

6 . The composition as claimed in claim 5 , wherein:
the third compound is represented by Chemical Formula IV-4, and in Chemical Formula IV-4, L 11 is a single bond or a substitu

Assignees

• Samsung Sdi Co Ltd

Inventors

• Kim Yunsoo
• Lee Mijin
• Lim Youngmook
• Kim Jonghoon
• Kim Changwoo
• Seo Hansol
• Ko Jonghoon
• Jung Sung-Hyun
• Jung Ho Kuk

Classifications

• H10K2101/40

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

• H10K85/657

  Polycyclic condensed heteroaromatic hydrocarbons · CPC title

• H10K85/652

  Cyanine dyes · CPC title

• H10K85/622

  containing four rings, e.g. pyrene · CPC title

• H10K85/615

  Polycyclic condensed aromatic hydrocarbons, e.g. anthracene · CPC title