Patent ID: 11950508
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 0:
1. A light emitting device comprising:
a first electrode;
a second electrode on the first electrode; and
an emission layer between the first electrode and the second electrode and comprising a polycyclic compound represented by Formula 1,
wherein the first electrode and the second electrode each independently comprise any one selected from among Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF/Ca, LiF/Al, Mo, Ti, W, In, Sn, Zn, a compound of two or more thereof, a mixture of two or more thereof, or an oxide thereof:, , and
wherein, in Formula 1,
X1 to X4 are each independently O, S, Se, or NR1,
Z1 and Z2 are each independently CR2,
a1 and a2 are each independently an integer of 0 to 2,
Ry1 and Ry2 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted alkenyl group having 2 to 20 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring-forming carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring-forming carbon atoms,
R1 and R2 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted alkenyl group having 2 to 20 carbon atoms, a substituted or unsubstituted oxy group, a substituted or unsubstituted aryl group having 6 to 30 ring-forming carbon atoms, a substituted or unsubstituted heteroaryl group having 2 to 30 ring-forming carbon atoms, a substituted or unsubstituted thio group, or a moiety represented by Formula A, and/or are bonded to an adjacent group to form a ring,
at least one selected from among X1 to X4, Z1 and Z2 comprises the moiety represented by Formula A:, , and
wherein, in Formula A,
Ra is a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring-forming carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring-forming carbon atoms,
L1 is a substituted or unsubstituted arylene group having 6 to 30 ring-forming carbon atoms, a substituted or unsubstituted heteroarylene group having 2 to 30 ring-forming carbon atoms, or a substituted or unsubstituted divalent amine group, and
p is 0 or 1.