Patents Examined by Alexander C Kollias
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Patent number: 11957042Abstract: An organic light-emitting device includes a heterocyclic compound represented by Formula 1, wherein A11 is a group represented by one of Formulae 10A to 10D: The organic light-emitting device including the heterocyclic compound may have improved efficiency and/or lifespan characteristics.Type: GrantFiled: August 26, 2020Date of Patent: April 9, 2024Assignee: Samsung Display Co., Ltd.Inventors: Munki Sim, Sunyoung Pak, Junha Park, Hankyu Pak, Jangyeol Baek, Chanseok Oh, Hyoyoung Lee, Minjung Jung, Seokhwan Hwang
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Patent number: 11950492Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound containing one electron donor and one electron acceptor, and the electron donor includes an azaborine group and the electron acceptor includes any one of a cyano group, a carbonyl group, a boron group, a sulfonyl group, a sulfinyl group, a phosphine oxide group, a nitrogen-containing five-membered ring, or a nitrogen-containing six-membered monocyclic ring.Type: GrantFiled: January 9, 2020Date of Patent: April 2, 2024Assignee: Samsung Display Co., Ltd.Inventors: Yuji Suzaki, Akinori Yamatani
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Patent number: 11926745Abstract: The present invention provides a water-based black ink, utilizing biochar as the black pigment. The black inks of the invention contain high bio-renewable carbon content (BRC), preferably 100% BRC. The inks exhibit the physical properties required to perform according to the requirements of rotogravure and flexographic printing.Type: GrantFiled: July 11, 2022Date of Patent: March 12, 2024Assignee: Sun Chemical CorporationInventors: Guy VanOudenhoven, Paul Sacoto, Mihaela Madaras, Josie M. Rosen, Ralph Arcurio
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Patent number: 11925103Abstract: A compound capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature that includes at least one aromatic ring and at least one substituent R where each of the at least one R is of Formula IType: GrantFiled: May 14, 2019Date of Patent: March 5, 2024Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Zhiqiang Ji, Alexey Borisovich Dyatkin, Jui-Yi Tsai, Pierre-Luc T. Boudreault
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Patent number: 11917900Abstract: Provided are organoboron compounds. Also provided are formulations comprising these organoboron compounds. Further provided are OLEDs and related consumer products that utilize these organoboron compounds.Type: GrantFiled: January 13, 2021Date of Patent: February 27, 2024Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Hsiao-Fan Chen, Tyler Fleetham
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Patent number: 11905429Abstract: Coatable compositions for formation of ink-receptive layers, which may be aqueous suspensions, comprise a mixture of: a) 8.0-75 wt % (based on the total weight of a), b), c), and d)) of colloidal silica particles having an average particle size of 2.0-150 nm; b) 10-75 wt % of one or more polyester polymers; c) 10-75 wt % of one or more polymers selected from the group consisting of polyurethane polymers and (meth)acrylate polymers; and d) 0-10 wt % of one or more crosslinkers. Ink-receptive layers, which may exhibit high gloss and high ink anchoring are also provided, as are constructions comprising such layers. Porous solids are also provided, comprising: a) 8.0-75 wt % of colloidal silica particles having an average particle size of 2.0-150 nm; and b) one or more water dispersible polymers.Type: GrantFiled: November 16, 2018Date of Patent: February 20, 2024Assignee: 3M Innovative Properties CompanyInventors: Rachna Khurana, Maciej P. Pietras, Benjamin R. Coonce, Naiyong Jing
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Patent number: 11878990Abstract: An organic molecule is disclosed having a structure of Formula I; wherein n is 0 or 1; m=1?n; X is N or CRX; V is N or CRV; Z is N or CRII; R1 and R2 are independently from each other selected from the group consisting of: C1-C5-alkyl, which is optionally substituted with one or more substituents R6; C6-C60-aryl, which is optionally substituted with one or more substituents R6 and C3-C57-heteroaryl, which is optionally substituted with one or more substituents R6.Type: GrantFiled: September 10, 2018Date of Patent: January 23, 2024Assignee: Samsung Display Co., Ltd.Inventors: Nico-Patrick Thöbes, Thomas Baumann
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Patent number: 11882761Abstract: An organometallic compound represented by Formula 1: wherein M1 and M2 are each independently a first row transition metal, a second row transition metal, or a third row transition metal in the Periodic Table of Elements; and wherein L1, L2, a1, a2, Ar1, Ar2, R1 to R4, and LK in Formula 1 are as described in the present disclosure.Type: GrantFiled: January 4, 2021Date of Patent: January 23, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., UNIVERSITAT DE BARCELONAInventors: Yongsik Jung, Laura Rodriguez Raurell, Joao Carlos Lima, Seungyeon Kwak, Hyeonho Choi, Kyuyoung Hwang
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Patent number: 11844267Abstract: A neutral compound including a first ligand LA represented by Formula I or Formula II is disclosed.Type: GrantFiled: July 28, 2022Date of Patent: December 12, 2023Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Pierre-Luc T. Boudreault, Bin Ma, Zhiqiang Ji
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Patent number: 11839142Abstract: A compound including a first ligand LA having a structure of Formula I is disclosed. The compound is useful a an emitter dopants in OLEDs for enhancing the OLED performance.Type: GrantFiled: October 3, 2022Date of Patent: December 5, 2023Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Chun Lin, Zhiqiang Ji
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Patent number: 11839141Abstract: A novel compound having a first ligand LA of is disclosed. The compound is useful as emitter dopant in OLEDs.Type: GrantFiled: August 23, 2022Date of Patent: December 5, 2023Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Zhiqiang Ji, Pierre-Luc T. Boudreault, Walter Yeager, Harvey Wendt
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Patent number: 11832508Abstract: The present invention relates to an electroluminescence device having high luminous efficiency (for example, external quantum efficiency) and high durability and causing little chromaticity shift after device deterioration. The present invention also relates to an organic electroluminescence device material comprising a substrate having thereon a pair of electrode and at least one organic layer between the electrodes, the organic layer containing a light emitting layer, wherein the light emitting layer contains a metal complex having a group represented by formula (I).Type: GrantFiled: August 8, 2019Date of Patent: November 28, 2023Assignee: UDC IRELAND LIMITEDInventors: Hiroo Takizawa, Saki Takada, Eiji Fukuzaki
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Patent number: 11832507Abstract: A compound having a formula M(LA)x(LB)y(LC)z, where ligand LA is ligand LB is and ligand LC is is disclosed. In formula M(LA)x(LB)y(LC)z, M is a metal having an atomic number greater than 40; x is 1 or 2; y and z are independently 0, 1, or 2; x+y+z is the oxidation state of the metal M; A1-A8 are carbon or nitrogen; ring B is bonded to ring A through a C—C bond; M is bonded to ring A through a M-C bond; X is O, S, Se, CRR?, or NR1; rings C and D are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; at least one R4 is a five-membered or six-membered heterocyclic ring which can be further substituted by RE; each R substituent is independently selected from the several substituents; and any adjacent R substitutents are optionally joined to form a ring.Type: GrantFiled: May 20, 2021Date of Patent: November 28, 2023Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Pierre-Luc T. Boudreault, Harvey Wendt, Chuanjun Xia
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Patent number: 11827651Abstract: Provided is a compound comprising a first ligand LA of where at least one of RA and RB is a structure ofType: GrantFiled: April 24, 2020Date of Patent: November 28, 2023Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Walter Yeager, Zhiqiang Ji, Pierre-Luc T. Boudreault
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Patent number: 11825733Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1: wherein in Formula 1, at least one selected from Ring A and Ring B is a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring.Type: GrantFiled: September 11, 2019Date of Patent: November 21, 2023Assignee: Samsung Display Co., Ltd.Inventor: Akinori Yamatani
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Patent number: 11814401Abstract: A new luminescent material and an electroluminescent display device using the same are disclosed, in which the luminescent material includes a compound expressed by the following chemical formula 1 and may be used as a dopant of a light emitting layer of a green, yellow-green or red color:Type: GrantFiled: December 28, 2020Date of Patent: November 14, 2023Assignees: LG DISPLAY CO., LTD, ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.Inventors: HeeJun Park, Jaemin Moon, Kusun Choung, Hee Ryong Kang, Hyun Kim, Ga Won Lee, Seung Hyun Yoon, Kyoung-Jin Park
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Patent number: 11818946Abstract: A compound comprising a ligand LA coordinated to a metal M, the ligand LA selected from the group consisting of Formula I, Formula II, and Formula III ring A is a 5- or 6-membered carbocyclic or heterocyclic ring; wherein ring A of Formula I connects to ring B at X1, X2, or X3 to form a five-membered chelate ring with the metal; Z1 and Z2 are independently selected from C or N; and X1 to X10 are independently selected from C or N. An organic light emitting device (OLED) comprising an anode, a cathode and an organic layer disposed between the anode and the cathode, the organic layer comprising a compound selected from Formula I, Formula II, or Formula III, and a consumer product comprising the OLED.Type: GrantFiled: February 17, 2022Date of Patent: November 14, 2023Assignee: Universal Display CorporationInventors: Zhiqiang Ji, Jui-Yi Tsai, Alexey Borisovich Dyatkin, Suman Layek, Pierre-Luc T. Boudreault
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Patent number: 11812624Abstract: A compound of Formula X wherein ring A is absent, or present and selected from a 5-membered or 6-membered, carbocyclic or heterocyclic ring, which is optionally substituted; ring B is absent, or present and selected from a 5-membered or 6-membered, carbocyclic or heterocyclic ring, which is optionally substituted; and at least one of ring A or ring B is present, and the hash line represents ring A fused to ring N—W1—W2 and ring B fused to ring N—W3—W4; W1, W2, W3, W4, W5, and W6 are independently selected from CR1 or N; Z is selected from CRZ or N; and Y is selected from a group consisting of C(R2)2, B(R2)2, Al(R2)2, Si(R2)2, and Ge(R2)2. An optoelectronic device selected from the group consisting of a photovoltaic device, a photodetector device, a photosensitive device, and an OLED, the optoelectronic device including an organic layer that comprises a compound of Formula X. A consumer product that includes the optoelectronic device.Type: GrantFiled: January 30, 2019Date of Patent: November 7, 2023Inventors: Mark E. Thompson, Abegail Tadle, Karim El Roz, Peter Ivan Djurovich, Daniel Sylvinson Muthiah Ravinson, Jessica H. Golden, Stuart W. Sawyer
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Patent number: 11805695Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, and long-life device characteristics may be shown.Type: GrantFiled: September 16, 2020Date of Patent: October 31, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jang Yeol Baek, Jaejin Lyu, Sun Young Pak, Junha Park, Hankyu Pak, Mun-Ki Sim, Chanseok Oh, Hyoyoung Lee, Minjung Jung
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Patent number: 11780829Abstract: A compound of Formula X wherein ring A is absent, or present and selected from a 5-membered or 6-membered, carbocyclic or heterocyclic ring, which is optionally substituted; ring B is absent, or present and selected from a 5-membered or 6-membered, carbocyclic or heterocyclic ring, which is optionally substituted; and at least one of ring A or ring B is present, and the hash line represents ring A fused to ring N—W1—W3 and ring B fused to ring N—W4—W6; W1, W2, W3, W4, W5, and W6 are independently selected from CR1 or N; Z is selected from CRZ or N; and Y is selected from a group consisting of C(R2)2, B(R2)2, Al(R2)2, Si(R2)2, and Ge(R2)2. An optoelectronic device selected from the group consisting of a photovoltaic device, a photodetector device, a photosensitive device, and an OLED, the optoelectronic device including an organic layer that comprises a compound of Formula X. A consumer product that includes the optoelectronic device.Type: GrantFiled: January 16, 2020Date of Patent: October 10, 2023Assignee: The University of Southern CaliforniaInventors: Mark E. Thompson, Abegail Tadle, Karim El Roz, Peter Ivan Djurovich, Daniel Sylvinson Muthiah Ravinson, Jessica H. Golden, Stuart W. Sawyer