Novel Compound and Organic Light Emitting Device Comprising the Same

Patent metadata

Field	Value
Publication number	US-2023180596-A1
Application number	US-202117923768-A
Country	US
Kind code	A1
Filing date	Jun 22, 2021
Priority date	Jul 24, 2020
Publication date	Jun 8, 2023
Grant date	—

Abstract

The present disclosure provides a novel compound of the following Chemical Formula 1 and an organic light emitting device including the same,

wherein all the variables are descried herein.

First claim

1 . A compound represented by the following Chemical Formula 1:

wherein, in Chemical Formula 1,
D represents deuterium,
Q is naphthylene unsubstituted or substituted with deuterium,
Ar 1 and Ar 2 are each independently a substituted or unsubstituted C 6-60 aryl,
L 1 to L 4 are each independently a substituted or unsubstituted C 6-60 arylene,
n1 to n4 are each independently an integer of 0 to 2, and
a and b are each independently an integer of 0 to 8,
provided that a+b is 1 or more.

2 . The compound of claim 1 , wherein:
Q is any one of the divalent substituents represented by the following Chemical Formulas 2a to 2j:

wherein, in Chemical Formulas 2a to 2j,
c is an integer of 0 to 6.

3 . The compound of claim 1 , wherein:
Ar 1 and Ar 2 are each independently phenyl unsubstituted or substituted with 1 to 5 deuteriums; or naphthyl unsubstituted or substituted with 1 to 7 deuteriums.

4 . The compound of claim 1 , wherein:
at least one of Ar 1 or Ar 2 is 1-naphthyl unsubstituted or substituted with 1 to 7 deuteriums; or at least one of Ar 1 or Ar 2 is 2-naphthyl unsubstituted or substituted with 1 to 7 deuteriums.

5 . The compound of claim 1 , wherein:
L 1 and L 2 are each independently phenylene unsubstituted or substituted with 1 to 4 deuteriums; or naphthylene unsubstituted or substituted with 1 to 6 deuteriums.

6 . The compound of claim 1 , wherein:
L 3 and L 4 are each independently phenylene unsubstituted or substituted with 1 to 4 deuteriums.

7 . The compound of claim 1 , wherein:
n1+n2 is 0, 1, 2, or 3, and n3+n4 is 0, 1, or 2.

8 . The compound of claim 1 , wherein:
a+b is 16.

9 . The compound of claim 1 , wherein:
a deuterium substitution rate of the compound is 80% to 100%.

10 . The compound of claim 1 , wherein:
the compound is represented by the following Chemical Formula 1-1:

wherein, in Chemical Formula 1-1,
Q is any one of the divalent substituents represented by the following Chemical Formulas 2a to 2j,

wherein, in Chemical Formulas 2a to 2j,
c is an integer of 0 to 6,
Ar 1 and Ar 2 are each independently phenyl or naphthyl,
L 1 and L 2 are each independently phenylene or naphthylene,
L 3 and L 4 are each independently phenylene,
d and e are each independently an integer of 0 to 7,
f and g are each independently an integer of 0 to 6,
h and i are each independently an integer of 0 to 4, and
a, b, and n1 to n4 are as defined in claim 1 .

11 . The compound of claim 10 , wherein:
one of Ar 1 or Ar 2 is

and the other is

or
one of Ar 1 or Ar 2 is

and the other is

or
both Ar 1 and Ar 2 are

or
both Ar 1 and Ar 2 are

12 . The compound of claim 10 , wherein:
L 1 and L 2 are each independently any one selected from the group consisting of:

13 . The compound of claim 10 , wherein:
L 3 and L 4 are each independently

14 . The compound of claim 1 , wherein:
the compound is any one selected from the group consisting of compounds represented by the following Chemical Formulas:

wherein, in Chemical Formula A1,
a+b+c+d+e+g is 1 to 40,

wherein, in Chemical Formula A2,
a+b+c+d+e+g is 1 to 40,

wherein, in Chemical Formula A3,
a+b+c+d+e is 1 to 36,

wherein, in Chemical Formula A4,
a+b+c+d+e is 1 to 36,

wherein, in Chemical Formula A5,
a+b+c+d+e+f+g is 1 to 44,

wherein, in Chemical Formula A6,
a+b+c+d+e+f+g is 1 to 44,

wherein, in Chemical Formula A7,
a+b+c+d+e+g is 1 to 40,

wherein, in Chemical Formula A8,
a+b+c+d+e+f is 1 to 40,

wherein, in Chemical Formula A9,
a+b is 1 to 16,

wherein, in Chemical Formula A10,
a+b is 1 to 16,

wherein, in Chemical Formula A11,
a+b+c+d+e+g+h is 1 to 44,

wherein, in Chemical Formula A12,
a+b+c+d+e+f+f+g+h is 1 to 54,

wherein, in Chemical Formula A13,
a+b+c+d+e+f+f+g+h is 1 to 54,

wherein, in Chemical Formula A14,
a+b+c+d+e+f+f+g+h is 1 to 54,

wherein, in Chemical Formula B1,
a+b+c+d+e+f+g is 1 to 44,

wherein, in Chemical Formula B2,
a+b+c+d+e+f+g is 1 to 44,

wherein, in Chemical Formula C1,
a+b+c+d+e+f is 1 to 40,

wherein, i

Assignees

• Lg Chemical Ltd

Inventors

• Lim Byeong Yun
• Lee Jaechol
• Kim Yongwook
• Yu Soyoung
• Kim Shin Sung
• Kim Young Kwang
• Cho Beomshin

Classifications

• C09K2211/1014

  bridged by heteroatoms, e.g. N, P, Si or B · CPC title

• H10K85/615

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

• C07C15/27 Primary

  containing three rings · CPC title

• H10K50/11

  characterised by the electroluminescent [EL] layers · CPC title

• H10K85/40

  Organosilicon compounds, e.g. TIPS pentacene · CPC title