Patents by Inventor Heekyung Yun
Heekyung Yun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11997926Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein X1 is CR1 or N, X2 is CR2 or N, X3 is CR3 or N, X4 is CR4 or N, Y1 is CR5 or N, Y2 is CR6 or N, Y3 is CR7 or N, Y4 is CR8 or N, Z1 is CR9 or N, Z2 is CR10 or N, Z3 is CR11 or N, and Z4 is CR12 or N, wherein X1 to X4, Y1 to Y4 and Z1 to Z4 are not N at the same time; and at least one of R1 to R12 is Chemical Formula 2: wherein A1 is O, S or Se; L1 is a direct bond, or a substituted or unsubstituted arylene or heteroarylene group; at least one of Ar1 and Ar2 is a substituted or unsubstituted alkyl group, and the rest is a substituted or unsubstituted aryl or heteroaryl group; and the rest are the same as or different from each other, and each independently is hydrogen, deuterium, halogen, cyano, nitro, hydroxyl, carbonyl, ester, imide, amide, or a substituted or unsubstituted: alkyl, cycloalkyl, alkoxy, aryloxy, alkylthioxy, arylthioxy, alkylsulfoxy, arylsulfoxy, alkenyl, silyl, boron, amine, arylphosphine oxide, aryl, or heteroaType: GrantFiled: October 30, 2018Date of Patent: May 28, 2024Assignee: LG CHEM, LTD.Inventors: Jungoh Huh, Miyeon Han, Dong Hoon Lee, Dong Uk Heo, Jae Tak Lee, Junghoon Yang, Heekyung Yun
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Publication number: 20240138255Abstract: Provided is a compound of Chemical Formula 1 or 2: wherein: R1 to R4 are each independently hydrogen or deuterium; n1 to n4 are an integer of 1 to 4; L1 and L2 are each independently a direct bond or a substituted or unsubstituted C6-60 arylene; and Ar1 and Ar2 are each independently a substituent of Chemical Formula 3: wherein X1 to X5 are each independently N or C(R5), wherein at least two of X1 to X5 are N; and each R5 is independently hydrogen, deuterium, a substituted or unsubstituted C1-20 alkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one of N, O and S, or two adjacent R5s combine to form a benzene ring; and an organic light emitting device including the same. The device exhibits significantly superior efficiency and lifespan.Type: ApplicationFiled: February 28, 2022Publication date: April 25, 2024Inventors: Dong Uk HEO, Heekyung YUN, Miyeon HAN, Jae Tak LEE, Jung Min YOON, Hoyoon PARK, Sung Kil HONG
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Publication number: 20240016053Abstract: Provided is an organic light-emitting device comprising: a light emitting layer comprising a compound of the following Chemical Formula 1, and one or more of an electron transport layer, an electron injection layer, or an electron transport and injection layer that comprises at least one of a compound of the following Chemical Formula 2 and a compound of the following Chemical Formula 3: wherein Ar2 and Ar3 are each independently a substituent of Chemical Formula 4, where X1 to X5 are each independently N or C(R8), wherein at least two of X1 to X5 are N, and the other substituents are as defined in the specification. The organic light emitting device including the heterocyclic compound of Chemical Formula 1 and the heterocyclic compound of Chemical Formula 2 or 3 had significantly superior efficiency and lifespan.Type: ApplicationFiled: February 28, 2022Publication date: January 11, 2024Inventors: Dong Uk HEO, Miyeon HAN, Jae Tak LEE, Jung Min YOON, Heekyung YUN, Hoyoon PARK, Sung Kil HONG
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Publication number: 20230331704Abstract: Provided is a compound of Chemical Formula 1: wherein: L1 and L2 are the same as or different from each other, and are each independently an arylene group which is unsubstituted or substituted with an aryl group, Ar1 and Ar2 are the same as or different from each other, and are each independently the following Chemical Formula A, where X1 is N or CR1, X2 is N or CR2, X3 is N or CR3, X4 is N or CR4, and X5 is N or CR5, at least two of X1 to X5 are N, and the other substituents are as defined in the specification, and an organic light emitting device including the same. The organic light emitting device including the compound of Chemical Formula 1 exhibits remarkably excellent characteristics in terms of voltage, efficiency and service life.Type: ApplicationFiled: March 29, 2022Publication date: October 19, 2023Inventors: Dong Uk HEO, Miyeon HAN, Jae Tak LEE, Jung Min YOON, Heekyung YUN, Hoyoon PARK, Sung Kil HONG, Jun YUN
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Patent number: 11737358Abstract: Provided is a compound of Chemical Formula 1: HAr-L1-L2-Ar1 wherein: HAr is one of Chemical Formula A-1 or A-2: one of L1 and L2 is a substituted or unsubstituted monocyclic or polycyclic arylene group, or a substituted or unsubstituted monocyclic or polycyclic heteroarylene group, and the other one is a direct bond; and Ar1 is a cyano group, a substituted or unsubstituted phenyl group; a substituted or unsubstituted biphenyl group; a substituted or unsubstituted pyridinyl group; a substituted or unsubstituted triazinyl group; a substituted or unsubstituted polycyclic aryl group; or a substituted or unsubstituted polycyclic heteroaryl group, and an organic light emitting device comprising the same.Type: GrantFiled: March 22, 2019Date of Patent: August 22, 2023Assignee: LG CHEM, LTD.Inventors: Jungoh Huh, Dong Hoon Lee, Dong Uk Heo, Miyeon Han, Jae Tak Lee, Junghoon Yang, Heekyung Yun
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Publication number: 20230257356Abstract: Provided is a benzimidazole-substituted fluoranthene compound of Chemical Formula 1: where the substituents are as described in the specification, and an organic light emitting device including the same.Type: ApplicationFiled: May 14, 2021Publication date: August 17, 2023Inventors: Miyeon HAN, Sung Kil HONG, Dong Uk HEO, Jung Min YOON, Heekyung YUN
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Patent number: 11678574Abstract: Provided is a compound of Chemical Formula 1: HAr-L1-L2-Ar1??Chemical Formula 1 wherein: HAr is a group of the following Chemical Formula A-1 or A-2; L1 and L2 are the same as or different from each other, and each independently is a direct bond, a substituted or unsubstituted monocyclic or polycyclic arylene group, or a substituted or unsubstituted monocyclic or polycyclic heteroarylene group; and Ar1 is a substituted or unsubstituted monocyclic or polycyclic aryl group, or a substituted or unsubstituted monocyclic or polycyclic heteroaryl group; wherein: R1 to R3 are the same as or different from each other, and each independently is a substituted or unsubstituted linear or branched alkyl group; and is a site bonding to L1 of Chemical Formula 1, and an organic light emitting device comprising the same.Type: GrantFiled: March 22, 2019Date of Patent: June 13, 2023Assignee: LG CHEM, LTD.Inventors: Jungoh Huh, Sung Kil Hong, Dong Uk Heo, Miyeon Han, Jae Tak Lee, Junghoon Yang, Heekyung Yun
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Publication number: 20230128259Abstract: Provided is a compound of Chemical Formula 1: wherein n is 0 or 1, when n is 0, at least one of R1 to R10 is a group of Chemical Formula A, and when n is 1, at least one of R1 to R12 is a group of Chemical Formula A: wherein L1 is a direct bond, or a substituted or unsubstituted arylene or heteroarylene group; l1 is an integer of 1 to 5; m is an integer of 1 to 3; when l1 is 2 or greater, the two or more L1s are the same as or different from each other, and an organic light emitting device including the same.Type: ApplicationFiled: April 29, 2021Publication date: April 27, 2023Inventors: Miyeon HAN, Sung Kil HONG, Dong Uk HEO, Jung Min YOON, Heekyung YUN
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Publication number: 20230053612Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: A1 is Chemical Formula 1-1: Y1 and Y2 are hydrogen or deuterium, or directly bonded to each other, or linked through —C(R31)(R32)-, —Si(R33)(R34)-, —N(R35)-, —O—, or —S—; any one of R11 to R26 is linked to L1, and of the remaining, one is linked to L4 of Chemical Formula 1, and the others are each independently hydrogen, deuterium, a cyano group, or a substituted or unsubstituted: alkyl, aryl, or heteroaryl group; at least two of X1 to X3 are N, and the other is CH; R1 is a substituted or unsubstituted alkyl group; L1 to L4 are each independently a direct bond or a substituted or unsubstituted arylene or heteroarylene group; and Ar1 to Ar3 are each independently a substituted or unsubstituted alkyl, aryl, or heteroaryl group; and an organic light-emitting device including the same.Type: ApplicationFiled: December 18, 2020Publication date: February 23, 2023Inventors: Jung Min YOON, Sung Kil HONG, Dong Uk HEO, Miyeon HAN, Jae Tak LEE, Heekyung YUN
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Patent number: 11569453Abstract: Provided is a compound of Chemical Formula 1: where A and B each independently is a substituted or unsubstituted aryl group, a substituted or unsubstituted monocyclic or dicyclic heteroaryl group, a substituted or unsubstituted dibenzofuran group, a substituted or unsubstituted benzonaphthofuran group, a substituted or unsubstituted dibenzothiophene group, a substituted or unsubstituted benzonaphthothiophene group, a substituted or unsubstituted phenoxazine group, a substituted or unsubstituted phenothiazine group, a substituted or unsubstituted phenanthroline group, a substituted or unsubstituted benzoquinoline group, a substituted or unsubstituted arylamine group, a substituted or unsubstituted silyl group, or a substituted or unsubstituted phosphine oxide group, or one of the following substituents: and an organic light emitting device including the same.Type: GrantFiled: March 6, 2019Date of Patent: January 31, 2023Assignee: LG CHEM, LTD.Inventors: Junghoon Yang, Dong Hoon Lee, Jungoh Huh, Yongbum Cha, Dong Uk Heo, Miyeon Han, Jae Tak Lee, Heekyung Yun
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Patent number: 11542237Abstract: Provided is a fluorene derivative of Chemical Formula 1: and an organic light emitting device comprising the same.Type: GrantFiled: July 23, 2018Date of Patent: January 3, 2023Assignee: LG CHEM, LTD.Inventors: Miyeon Han, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Dong Uk Heo, Junghoon Yang, Heekyung Yun
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Patent number: 11462695Abstract: Provided is an organic light emitting device including an anode; a cathode; and a light emitting layer provided between the anode and cathode, wherein an electron control layer provided between the light emitting layer and the cathode and including a compound of Chemical Formula 1: is included, and the light emitting layer includes a compound of Chemical Formula 3:Type: GrantFiled: June 29, 2018Date of Patent: October 4, 2022Assignee: LG CHEM, LTD.Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Yongbum Cha, Miyeon Han, Junghoon Yang, Heekyung Yun
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Patent number: 11450819Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device comprising the same.Type: GrantFiled: April 13, 2018Date of Patent: September 20, 2022Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Yongbum Cha, Miyeon Han, Junghoon Yang, Heekyung Yun
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Patent number: 11427572Abstract: Provided is a heterocyclic compound of Chemical Formula 1: and an organic light emitting device including the same.Type: GrantFiled: June 29, 2018Date of Patent: August 30, 2022Assignee: LG CHEM, LTD.Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Miyeon Han, Junghoon Yang, Heekyung Yun
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Patent number: 11367836Abstract: Provided is a heterocyclic compound of Chemical Formula 1: and an organic light emitting device including the same.Type: GrantFiled: June 29, 2018Date of Patent: June 21, 2022Assignee: LG CHEM, LTD.Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Miyeon Han, Junghoon Yang, Heekyung Yun
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Patent number: 11152576Abstract: Provided is an organic light emitting device including an anode; a cathode; and a light emitting layer provided between the anode and the cathode, the device further including an electron control layer provided between the light emitting layer and the cathode and including a compound of Chemical Formula 1: and an electron transfer layer provided between the electron control layer and the cathode and including a compound of Chemical Formula 3:Type: GrantFiled: May 29, 2018Date of Patent: October 19, 2021Assignee: LG CHEM, LTD.Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Yongbum Cha, Miyeon Han, Junghoon Yang, Heekyung Yun
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Publication number: 20210305516Abstract: Provided is an organic light emitting device including a first electrode; a second electrode opposite to the first electrode; and a first organic material layer and a second organic material layer provided between the first electrode and the second electrode, wherein the first organic material layer includes a compound of Chemical Formula 1: wherein: at least one of Xa to Xc is N, and the rest are CR; and Ar2 to Ar4 are each independently a substituted or unsubstituted aryl or heterocyclic group, and the second organic material layer includes a compound of (HAr)a-[L1-Ar1-L2-(CN)b]c??Chemical Formula 2: wherein: HAr is a substituted or unsubstituted heterocyclic group including at least one or more Ns; L1 and L2 are each independently a direct bond or a substituted or unsubstituted arylene or divalent heterocyclic group; and Ar1 is a direct bond, —O—, or a substituted or unsubstituted arylene or divalent heterocyclic group.Type: ApplicationFiled: September 3, 2019Publication date: September 30, 2021Inventors: Dong Uk HEO, Sung Kil HONG, Jungoh HUH, Miyeon HAN, Jae Tak LEE, Junghoon YANG, Heekyung YUN
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Publication number: 20210217967Abstract: An organic light emitting device having a first organic material layer that includes a compound of Chemical Formula 1 and the second organic material layer that includes a compound of Chemical Formula 2,Type: ApplicationFiled: July 25, 2019Publication date: July 15, 2021Inventors: Jungoh Huh, Sung Kil Hong, Dong Uk Heo, Miyeon Han, Jae Tak Lee, Junghoon Yang, Heekyung Yun
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Publication number: 20210020848Abstract: Provided is a compound of Chemical Formula 1: where A and B each independently is a substituted or unsubstituted aryl group, a substituted or unsubstituted monocyclic or dicyclic heteroaryl group, a substituted or unsubstituted dibenzofuran group, a substituted or unsubstituted benzonaphthofuran group, a substituted or unsubstituted dibenzothiophene group, a substituted or unsubstituted benzonaphthothiophene group, a substituted or unsubstituted phenoxazine group, a substituted or unsubstituted phenothiazine group, a substituted or unsubstituted phenanthroline group, a substituted or unsubstituted benzoquinoline group, a substituted or unsubstituted arylamine group, a substituted or unsubstituted silyl group, or a substituted or unsubstituted phosphine oxide group, or one of the following substituents: and an organic light emitting device including the same.Type: ApplicationFiled: March 6, 2019Publication date: January 21, 2021Inventors: Junghoon YANG, Dong Hoon LEE, Jungoh HUH, Yongbum CHA, Dong Uk HEO, Miyeon HAN, Jae Tak LEE, Heekyung YUN
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Publication number: 20210013422Abstract: Provided is an organic light emitting device including an anode; a cathode; and a light emitting layer provided between the anode and the cathode, the device further including an electron control layer provided between the light emitting layer and the cathode and including a compound of Chemical Formula 1: and an electron transfer layer provided between the electron control layer and the cathode and including a compound of Chemical Formula 3:Type: ApplicationFiled: May 29, 2018Publication date: January 14, 2021Inventors: Dong Uk HEO, Dong Hoon LEE, Jungoh HUH, Boonjae JANG, Yongbum CHA, Miyeon HAN, Junghoon YANG, Heekyung YUN