# US 2021/0280800 A1 · Compound and organic light emitting device comprising the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0280800 A1 - Document ID: US20210280800A1 - Status: Published application - Kind: A1 - Application number: 17/054,069 - Filed: 2019-08-22 - Published: 2021-09-09 - Earliest claimed: 2018-08-22 - Assignees: LG Chem, Ltd. - Applicants: LG Chem, Ltd. - Inventors: Min Woo Jung; Dong Hoon Lee; Boon Jae Jang; Jungha Lee; Su Jin Han; Seulchan Park; Sunghyun Hwang - Web page: https://patentgrep.com/patent/US20210280800A1 ## CPC - H10K 85/6574: {comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes} - C07D 405/04: directly linked by a ring-member-to-ring-member bond - C07D 405/10: linked by a carbon chain containing aromatic rings - C07D 405/14: containing three or more hetero rings - C07D 409/04: directly linked by a ring-member-to-ring-member bond - C07D 409/14: containing three or more hetero rings - C09K 11/06: containing organic luminescent materials - H10K 85/622: {containing four rings, e.g. pyrene} - H10K 85/654: {comprising only nitrogen as heteroatom (H10K85/652 takes precedence)} - H10K 85/6576: {comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene} - C09K 2211/1018: Heterocyclic compounds - H10K 50/11: characterised by the electroluminescent [EL] layers - H10K 2101/10: Triplet emission - H10K 2101/90: {Multiple hosts in the emissive layer} - Y02E 10/549: Organic PV cells - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08) - C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same. The compound is used as a material of an organic material layer of the organic light emitting device. ## Claims ### Claim 1 A compound represented by the following Chemical Formula 1: Wherein in Chemical Formula 1, Y1 is O or S, L1 and L2 are each independently a single bond, a substituted or unsubstituted C6-60 arylene, or a substituted or unsubstituted C2-60 heteroarylene containing one or more heteroatoms selected from the group consisting of O, N, and S, with the proviso that L2 is bonded to any one of positions *1, *2, and *3, A is represented by any one of Chemical Formulas 2 to 4; wherein in Chemical Formulas 2 to 4, X1 to X3 are each independently N or CH, with the proviso that at least two of X1 to X3 are N, X4 and X5 are each independently N or CH, with the proviso that at least one of X4 and X5 is N, X6 and X7 are each independently N or CH, with the proviso that at least one of X6 and X7 is N, Y2 is O or S, and Ar1 to Ar4 are each independently a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing one or more heteroatoms selected from the group consisting of N, O, and S, with the proviso that when L2 is bonded to position *3 and A is represented by Chemical Formula 2, Ar2 is a substituted or unsubstituted C10-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing one or more heteroatoms selected from the group consisting of N, O and S. ### Claim 2 (depends on 1) The compound according to claim 1, wherein L1 and L2 are each independently a single bond, phenylene, or biphenylylene. ### Claim 3 (depends on 1) The compound according to claim 1, wherein in Chemical Formula 2, X1 to X3 are N, X1 and X2 are N and X3 is CH, or X2 and X3 are N and X1 is CH, wherein in Chemical Formula 3, X4 and X5 are N, and wherein in Chemical Formula 4, X6 and X7 are N. ### Claim 4 (depends on 1) The compound according to claim 1, wherein the compound is represented by any one of the following Chemical Formulas 1A to 1C: wherein in Chemical Formula 1A, Y1 is O or S, L1 and L2 are each independently a single bond or a C6-20 arylene, A is represented by any one of Chemical Formulas 2 to 4, wherein in Chemical Formula 1B, Y1 is O or S, L1 and L2 are each independently a single bond or a C6-20 arylene, A is represented by any one of Chemical Formulas 2 to 4, wherein in Chemical Formula 1C, Y1 is O or S, L1 and L2 are each independently a single bond or a C6-20 arylene, A is represented by any one of Chemical Formulas 2 to 4, wherein in Chemical Formula 2, Ar1 is a C6-20 aryl; or a C2-20 heteroaryl containing one atom of O or S, and Ar2 is a C10-20 aryl; or a C2-20 heteroaryl containing one atom of O or S. ### Claim 5 (depends on 4) The compound according to claim 4, wherein in Chemical Formula 1A, Ar1 to Ar4 are each independently phenyl, biphenylyl, dibenzofuranyl, or dibenzothiophenyl, wherein in Chemical Formula 1B, Ar1 to Ar4 are each independently phenyl, biphenylyl, dibenzofuranyl, or dibenzothiophenyl, and wherein in Chemical Formula 1C, Ar1, Ar3, and Ar4 are each independently phenyl, biphenylyl, dibenzofuranyl, or dibenzothiophenyl, and Ar2 is biphenylyl, dibenzofuranyl, or dibenzothiophenyl. ### Claim 6 (depends on 1) The compound according to claim 1, wherein the compound is represented by any one of the following Chemical Formulas 1D to 1F: wherein in Chemical Formulas 1D to 1F, Y1, Y2, L1, L2, X1 to X7, and Ar1 to Ar4 are the same as defined in claim 1. ### Claim 7 (depends on 6) The compound according to claim 6, wherein in Chemical Formula 1D, L2 is bonded to position *1 or *2. ### Claim 8 (depends on 1) The compound according to claim 1, wherein the compound is represented by any one of the following Chemical Formulas 1-1 to 1-6 wherein in Chemical Formulas 1-1 to 1-4, X1 to X3 are N; or X1 and X2 are N, and X3 is CH; or X2 and X3 are N, and X1 is CH, Ar1 and Ar2 are each independently phenyl, biphenylyl, dibenzofuranyl, or dibenzothiophenyl, and Y1, L1, and L2 are as defined in claim 1, wherein in Chemical Formulas 1-5 and 1-6, X1 to X3 are N; or X1 and X2 are N, and X3 is CH; or X2 and X3 are N, and X1 is CH, Ar1 is phenyl, biphenylyl, dibenzofuranyl, or dibenzothiophenyl, Ar2 is biphenylyl, dibenzofuranyl, or dibenzothiophenyl, and Y1, L1, and L2 are the same as defined in claim 1. ### Claim 9 (depends on 1) The compound according to claim 1, wherein the compound is any one selected from the group consisting of the following compounds: ### Claim 10 (depends on 1) An organic light emitting device comprising: a first electrode; a second electrode provided to face the first electrode; and one or more organic material layers provided between the first electrode and the second electrode, wherein one or more layers of the organic material layers comprise the compound according to claim 1. ### Claim 11 (depends on 10) The organic light emitting device according to claim 10, wherein the organic material layer comprising the compound is a light emitting layer, wherein the light emitting layer includes two or more kinds of hosts, and wherein one of the hosts is the compound.