Back to results
US 12,565,484 B2Granted
Heterocyclic compound and organic light-emitting device comprising same
AssigneeLt Materials Co., Ltd.
InventorsGi-Back Lee, Seong-Jong Park, Won-Jang Jeong, Dong-Jun Kim
Life of this patent
Estimating the term…
Abstract
The present application provides a heterocyclic compound capable of significantly enhancing lifetime, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device comprising the heterocyclic compound in an organic material layer.
Claims9
A heterocyclic compound represented by the following Chemical Formula 1:
- wherein, in Chemical Formula 1,
- L1 is a direct bond;
- a substituted or unsubstituted phenylene group;
- a substituted or unsubstituted biphenylene group;
- a substituted or unsubstituted naphthylene group;
- or a substituted or unsubstituted anthracene group;
- R1 is a substituted or unsubstituted phenyl group;
- a substituted or unsubstituted biphenyl group;
- a substituted or unsubstituted naphthyl group;
- a substituted or unsubstituted anthracene group;
- a substituted or unsubstituted pyridine group;
- a substituted or unsubstituted pyrimidine group;
- a substituted or unsubstituted triazine group;
- a substituted or unsubstituted phenanthridine group;
- a substituted or unsubstituted phenanthroline group;
- or a substituted or unsubstituted phosphine oxide group,
- X1 is hydrogen;
- or deuterium,
- X2 and X3 are each independently hydrogen;
- deuterium;
- a cyano group;
- or groups adjacent to each other bonded to each other to form a benzene ring;
- m, n and l are each independently an integer of 1 to 5;
- and
- when m, n and l are each 2 or greater, substituents in the parentheses are the same as or different from each other.
22 more elements
Dependencies are inferred from the claim text.