Patents Examined by Andrew K Bohaty
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Patent number: 11976086Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and an apparatus including the organic light-emitting device. The organometallic compound may be represented by the formula M11 M12 (L11)n11(L12)n12, wherein M11 and M12 are each independently selected from a Period 1 transition metal, a Period 2 transition metal, and a Period 3 transition metal; L11 is a ligand represented by Formula 1-1 shown below, L12 is selected from a monodentate ligand and a bidentate ligand, n11 is 1, and n12 is selected from 0, 1, 2, 3, and 4.Type: GrantFiled: October 28, 2019Date of Patent: May 7, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jaesung Lee, Soobyung Ko, Sungbum Kim, Junghoon Han, Haejin Kim, Sujin Shin, Eunsoo Ahn, Eunyoung Lee, Hyunjung Lee, Mina Jeon
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Patent number: 11950501Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.Type: GrantFiled: October 18, 2022Date of Patent: April 2, 2024Assignee: Samsung Display Co., Ltd.Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
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Patent number: 11937502Abstract: A condensed cyclic compound and an organic light-emitting device including the condensed cyclic compound are provided. The condensed cyclic compound is represented by Formula 1. The A3 ring of Formula 1 is a group represented by Formula 2A or a group represented by Formula 2B. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including at least one of the condensed cyclic compound represented by Formula 1.Type: GrantFiled: April 13, 2016Date of Patent: March 19, 2024Assignees: Samsung Display Co., Ltd., Research & Business Foundation Sungkyunkwan UniversityInventors: Sung-Wook Kim, Myeong-Suk Kim, Hwan-Hee Cho, Sam-Il Kho, Seung-Soo Yoon, Changwoong Chu
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Patent number: 11925041Abstract: To provide a light-emitting element with high emission efficiency and low driving voltage. The light-emitting element includes a guest material and a host material. A LUMO level of the guest material is lower than a LUMO level of the host material. An energy difference between the LUMO level and a HOMO level of the guest material is larger than an energy difference between the LUMO level and a HOMO level of the host material. The guest material has a function of converting triplet excitation energy into light emission. An energy difference between the LUMO level of the guest material and the HOMO level of the host material is larger than or equal to energy of light emission of the guest material.Type: GrantFiled: December 18, 2020Date of Patent: March 5, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satoshi Seo, Takeyoshi Watabe, Satomi Mitsumori
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Patent number: 11917907Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.Type: GrantFiled: November 22, 2021Date of Patent: February 27, 2024Assignee: Rohm and Haas Electronic Materials Korea Ltd.Inventors: Kyoung-Jin Park, Tae-Jin Lee, Jae-Hoon Shim, Yoo Jin Doh, Hee-Choon Ahn, Young-Kwang Kim, Doo-Hyeon Moon, Jeong-Eun Yang, Su-Hyun Lee, Chi-Sik Kim, Ji-Song Jun
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Patent number: 11910707Abstract: According to one or more embodiments, an organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer.Type: GrantFiled: December 23, 2016Date of Patent: February 20, 2024Assignee: Samsung Display Co., Ltd.Inventors: Myeong-Suk Kim, Sung-Wook Kim, Hwan-Hee Cho, Jin-Soo Hwang, Chang-Woong Chu
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Patent number: 11903309Abstract: A heterocyclic compound is represented by Formula 1. An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and comprising an emission layer; and at least one of the heterocyclic compound represented by Formula 1.Type: GrantFiled: May 19, 2020Date of Patent: February 13, 2024Assignee: Samsung Display Co., Ltd.Inventors: Heechoon Ahn, Hyeongmin Kim, Hyunah Um, Yeseul Lee, Yirang Im, Soobyung Ko, Jongwoo Kim
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Patent number: 11895907Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode, the organic layer including an emission layer; and at least one condensed cyclic compound represented by Formula 1: wherein, in Formula 1, at least one selected from R1 to R15 is a group represented by Formula 2:Type: GrantFiled: October 9, 2019Date of Patent: February 6, 2024Assignee: Samsung Display Co., Ltd.Inventors: Munki Sim, Sunyoung Pak, Junha Park, Hankyu Pak, Jangyeol Baek, Chanseok Oh, Hyoyoung Lee, Minjung Jung, Soobyung Ko
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Patent number: 11882714Abstract: An organic light-emitting device and a flat panel display device, the organic-light emitting device including an anode; a cathode; and an organic layer therebetween including an emission layer, a hole transport region between the anode and the emission layer, the hole transport region including at least one of a hole injection layer, a hole transport layer, and an electron blocking layer, an electron transport region between the emission layer and the cathode, the electron transport region including at least one of a hole blocking layer, an electron transport layer, and an electron injection layer, and a buffer layer between the emission layer and the electron transport region, wherein the buffer layer includes a biscarbazole-based derivative and triphenylene-based derivative, and a triplet energy (ET1) of the biscarbazole-based derivative or the triphenylene-based derivative and a triplet energy (ET2) of a dopant of the emission layer satisfy the following relationship: E T ? 1 > E T ? 2 .Type: GrantFiled: March 9, 2022Date of Patent: January 23, 2024Assignee: Samsung Display Co., Ltd.Inventors: Naoyuki Ito, Seul-Ong Kim, Youn-Sun Kim, Dong-Woo Shin, Jung-Sub Lee
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Patent number: 11856849Abstract: Compounds of formula (1) that have functional substituents in a specific spatial arrangement, and electronic devices that include a compound of formula (1), and to the preparation of compounds of formula (1).Type: GrantFiled: August 19, 2019Date of Patent: December 26, 2023Assignee: Merck Patent GmbHInventors: Amir Hossain Parham, Irina Martynova, Anja Jatsch, Thomas Eberle, Jonas Kroeber, Christof Pflumm
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Patent number: 11856851Abstract: A condensed cyclic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.Type: GrantFiled: January 8, 2020Date of Patent: December 26, 2023Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTDInventors: Yeonsook Chung, Sangmo Kim, Hyunjung Kim, Soonok Jeon, Yongsik Jung, Miyoung Chae, Dalho Huh, Hosuk Kang, Jongsoo Kim
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Patent number: 11844266Abstract: Provided are the organometallic compound represented by Formula 1 and an organic light-emitting device including the same: M, X1 to X4, X11, ring CY2 to ring CY4, T1, T2, R1 to R4, and a1 to a4 in Formula 1 are the same as described in the present specification.Type: GrantFiled: January 23, 2020Date of Patent: December 12, 2023Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTDInventors: Minsik Min, Sangmo Kim, Hosuk Kang, Wook Kim, Sungho Nam, Hyejin Bae, Jhunmo Son, Yongsik Jung, Jun Chwae
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Patent number: 11807654Abstract: An organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, and a diagnostic composition including the organometallic compound: M11(L11)n11(L12)n12??Formula 1 wherein, in Formula 1, M11 is a first-row transition metal, a second-row transition metal, or a third-row transition metal, L11 is a ligand represented by Formula 1-1, L12 is a monodentate ligand or a bidentate ligand, n11 is 1, and n12 is 0, 1, or 2: wherein, in Formula 1-1, Y11, A11, T11 k11, k12, k13, b11, E11 to E13 and R11 to R17 are described in the specification, and *1 to *4 each independently indicate a binding site to M11.Type: GrantFiled: January 16, 2020Date of Patent: November 7, 2023Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Hyejin Bae, Wataru Sotoyama, Sangmo Kim, Wook Kim, Jongsoo Kim, Joonghyuk Kim, Minsik Min, Jhunmo Son, Hasup Lee, Yongsik Jung
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Patent number: 11807788Abstract: The present disclosure relates to organic electroluminescent compounds and an organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present disclosure may be comprised in a light-emitting layer or an electron buffer layer, and is effective to produce an organic electroluminescent device having low driving voltage, excellent current and power efficiencies, and significantly improved operative lifespan.Type: GrantFiled: December 22, 2021Date of Patent: November 7, 2023Inventor: Hee-Choon Ahn
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Patent number: 11793012Abstract: An organic light emitting diode, including a first electrode; a second electrode facing the first electrode, the second electrode including magnesium; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, the electron injection layer including a dipole material including a first component and a second component having different polarities, the dipole material including halide, and a content of the magnesium included in the second electrode being in a range of from 10 to 40 volume %.Type: GrantFiled: November 17, 2021Date of Patent: October 17, 2023Assignee: Samsung Display Co., Ltd.Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Da Hea Im, Sang Hoon Yim, Chang Woong Chu
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Patent number: 11765971Abstract: A highly rigid tetradentate ligand is combined with a gold(III) ion as a thermally stable tetradentate gold(III) complex. The tetradentate gold(III) complex is a tetradentate gold(III) compound that can be used as a light-emitting material which can be used for fabricated of light-emitting devices such as an organic light-emitting diode (OLED). The tetradentate gold(III) compound can be deposited as a layer or a component of a layer using a solution-process or a vacuum deposition process. The luminescent tetradentate gold(III) compounds are robust and can provide electroluminescence (EL) with a high efficiency and brightness.Type: GrantFiled: April 22, 2021Date of Patent: September 19, 2023Assignee: The University of Hong KongInventors: Vivian Wing-Wah Yam, Hok-Lai Wong, Yiu-Wing Wong, Mei-Yee Chan
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Patent number: 11751474Abstract: The present disclosure relates to the field of organic electroluminescence materials and particularly relates to a compound and an organic light emitting display device. The compound has a structure represented by Formula (I): and, m, n, p, q, r, s, u, and v are each independently selected from 0 or 1, at least one of r and s is 1, at least one of u and v is 1, L1, L2, L3, and L4 are each independently selected from substituted or unsubstituted C6-C40 aryl, or substituted or unsubstituted C3-C40 heterocyclyl, and A1, A2, A3, and A4 each are independently selected from an electron acceptor unit.Type: GrantFiled: October 1, 2019Date of Patent: September 5, 2023Assignees: WUHAN TIANMA MICROELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCHInventors: Wei Gao, Ying Liu, Lei Zhang, Wenpeng Dai, Jinghua Niu, Gaojun Huang
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Patent number: 11739061Abstract: A compound is represented by a formula (1) below, in which k is an integer of 0 or more, m is an integer of 1 or more, n is an integer of 2 or more. L is a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, CN is a cyano group, and D1 and D2 are each independently represented by one of a formula (2), a formula (3) and formula (3x) below, D1 and D2 being optionally mutually the same or different.Type: GrantFiled: June 9, 2021Date of Patent: August 29, 2023Assignee: IDEMITSU KOSAN CO., LTDInventors: Satomi Tasaki, Masahiro Kawamura, Toshinari Ogiwara, Hitoshi Kuma, Kei Yoshida, Keiji Okinaka
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Patent number: 11711977Abstract: Organic compounds containing indolocarbazoles as electron donor connected with electron acceptors such aza-triphenylene or dibenzoquinoxaline that can improve the performance of phosphorescent organic light emitting devices are disclosed.Type: GrantFiled: February 17, 2021Date of Patent: July 25, 2023Assignee: Universal Display CorporationInventors: Bin Ma, Lichang Zeng, Chuanjun Xia
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Patent number: 11696499Abstract: An organic light emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a first compound, a second compound, a third compound, and a fourth compound, and the first compound to the fourth compound satisfy Equations 1 to 8: E1,LUMO?E2,LUMO+0.15 electron volts (eV)??Equation 1 E1,HOMO?E2,HOMO+0.15 eV??Equation 2 E1,T1?E4,T1??Equation 3 E2,T1?E4,T1??Equation 4 E3,T1?E4,T1??Equation 5 E3,LUMO?E2,LUMO+0.1 eV??Equation 6 ?5.6 eV?E3,HOMO??Equation 7 Egap1?Egap3.Type: GrantFiled: May 4, 2020Date of Patent: July 4, 2023Assignee: Samsung Display Co., Ltd.Inventors: Hwan-Hee Cho, Myeong-Suk Kim, Sung-Wook Kim, Se-Hun Kim, Jin-Soo Hwang