# US 2021/0280794 A1 · Novel 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 2021/0280794 A1 - Document ID: US20210280794A1 - Status: Published application - Kind: A1 - Application number: 17/261,795 - Filed: 2019-11-11 - Published: 2021-09-09 - Earliest claimed: 2018-11-13 - Assignees: LG Chem, Ltd. - Applicants: LG Chem, Ltd. - Inventors: Dong Uk Heo; Sung Kil Hong; Jungoh Huh; Miyeon Han; Jae Tak Lee; Junghoon Yang - Web page: https://patentgrep.com/patent/US20210280794A1 ## CPC - H10K 85/654: {comprising only nitrogen as heteroatom (H10K85/652 takes precedence)} - C07D 251/24: to three ring carbon atoms - C07D 401/10: linked by a carbon chain containing aromatic rings - 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 409/04: directly linked by a ring-member-to-ring-member bond - C07D 409/10: linked by a carbon chain containing aromatic rings - H10K 85/615: {Polycyclic condensed aromatic hydrocarbons, e.g. anthracene} - H10K 85/6574: {comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes} - H10K 85/6576: {comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene} - H10K 50/16: Electron transporting layers - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08) ## Abstract A novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same. ## Claims ### Claim 1 A compound represented by the following Chemical Formula 1: wherein, in Chemical Formula 1, Q is naphthalene, Ra and Rb are each hydrogen, or are bonded to each other to form Y, where Y is single bond, O, or S, one of HAr1 to HAr4 is the following Chemical Formula 2, one of the others is the following Chemical Formula 3, and the rest are each independently Chemical Formula 2 or 3: wherein, in Chemical Formula 2 and 3, L1 and L2 are each independently a single bond; or a substituted or unsubstituted C6-60 arylene, X1 to X3 are each independently N or CR, and at least two of X1 to X3 are N, Ar1 and Ar2 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, R is hydrogen; deuterium; a substituted or unsubstituted C1-60 alkyl; a substituted or unsubstituted C3-60 cycloalkyl; 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, n1 to n4 are each an integer of 0 to 2, and n1+n2+n3+n4 is an integer of 2 to 8. ### Claim 2 (depends on 1) The compound according to claim 1, wherein L1 and L2 are each independently single bond, phenylene, or biphenylene. ### Claim 3 (depends on 1) The compound according to claim 1, wherein X1 to X3 are N. ### Claim 4 (depends on 1) The compound according to claim 1, wherein Ar1 and Ar2 are each independently phenyl or pyridinylphenyl. ### Claim 5 (depends on 1) The compound according to claim 1, wherein the compound is represented by the following Chemical Formula 1-1: wherein, in Chemical Formula 1-1, Q is naphthalene, HAr1 and HAr2 are each independently Chemical Formula 2 or 3, and at least one of HAr1 and HAr2 is Chemical Formula 2, HAr3 and HAr4 are each independently the Chemical Formula 3, n1 to n4 are each 0 or 1, and n1+n2+n3+n4 is 2. ### Claim 6 (depends on 1) The compound according to claim 1, wherein the compound is represented by the following Chemical Formula 1-2A: wherein, in Chemical Formula 1-2A, Q is naphthalene, HAr1 to HAr3 are each independently Chemical Formula 2 or 3, and at least one of HAr1 to HAr3 is Chemical Formula 2, HAr4 is Chemical Formula 3, n1 to n4 are each 0 or 1, and n1+n2+n3+n4 is 2. ### Claim 7 (depends on 1) The compound according to claim 1, wherein the compound is represented by Chemical Formula 1-2B: wherein, in Chemical Formula 1-2B, Q is naphthalene, Y′ is single bond, or S, n1 to n4 are each 0 or 1, n1+n2+n3+n4 is 2, and HAr1 to HAr4 are as defined in claim 1. ### Claim 8 (depends on 1) The compound according to claim 1, wherein n1 and n3 are 1, and n2 and n4 are 0; n1 and n4 are 1, and n2 and n3 are 0; or n2 and n3 are 1, and n1 and n4 are 0. ### Claim 9 (depends on 1) The compound according to claim 1, wherein the compound represented by Chemical Formula 1 is represented by any one of the following Chemical Formulae 4-1 to 4-7: wherein, in Chemical Formulae 4-1 to 4-7, Ra, Rb, L1, L2, X1 to X3, Ar1, and Ar2 are as defined in claim 1. ### Claim 10 (depends on 1) The compound according to claim 1, wherein one of HAr1 to HAr4 is Chemical Formula 2, two of the others are Chemical Formula 3, n1 to n4 are each 0, 1, or 2, and n1+n2+n3+n4 is 3. ### Claim 11 (depends on 1) The compound according to claim 1, wherein n1, n2, and n4 are 1, and n3 is 0; n1, n3, and n4 are 1, and n2 is 0; n1 is 2, n3 is 1, and n2 and n4 are 0; n3 is 2, n1 is 1, and n2 and n4 are 0; or n4 is 2, n1 is 1, and n2 and n3 are 0. ### Claim 12 (depends on 1) The compound according to claim 1, wherein the compound represented by Chemical Formula 1 is represented by any one of the following Chemical Formulae 5-1 to 5-7: wherein, in Chemical Formulae 5-1 to 5-7, Ra, Rb, L1, L2, X1 to X3, Ar1, and Ar2 are as defined in claim 1. ### Claim 13 (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 14 (depends on 1) An organic light emitting device comprising: a first electrode; a second electrode provided to face the first electrode; and at least one layer of the 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.