Patents Examined by Eli D Strah
  • Patent number: 10475549
    Abstract: A structure including a graphene electrode and a molecular monolayer, a flexible electronic device, and a method of production thereof are provided. The structure includes a first graphene electrode and a molecular monolayer disposed on the first graphene electrode and chemically or physically bound to the first graphene electrode.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: November 12, 2019
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Hyoyoung Lee, Sohyeon Seo
  • Patent number: 10466408
    Abstract: A liquid crystal display device containing a liquid crystal panel that includes a first substrate, a second substrate, and first and second polarizers at respective outer surfaces of the first and second substrates; and a backlight unit under the liquid crystal panel that includes a light source, wherein the light source includes a first luminous body having a first peak wavelength, a second luminous body having a second peak wavelength greater than the first peak wavelength, and a third luminous body having a third peak wavelength greater than the second peak wavelength, and wherein the first polarizer contains a light absorption layer having an absorption peak between the second peak wavelength and the third peak wavelength.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: November 5, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Ga-Ram Hong, Jin-Ho Kim, Sang-Min Lee, Ki-Duck Park, Joo-Bin Lee
  • Patent number: 10468608
    Abstract: Provided are an organic EL device having high efficiency and high driving stability, and a compound suitable for the device. Provided is a material for an organic electroluminescent device formed of a carborane compound having a structure in which: one or two boron atoms of a carborane ring C2B10H12 are substituted with an aromatic hydrocarbon group or an aromatic heterocyclic group; and the two carbon atoms of the carborane ring are each bonded to an aromatic hydrocarbon group or an aromatic heterocyclic group, or are each bonded to any other carborane ring when a plurality of carborane rings are present. Also provided is an organic electroluminescent device in which the material for an organic electroluminescent device is used in a light-emitting layer, an electron-transporting layer, or a hole-blocking layer.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: November 5, 2019
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Junya Ogawa, Tokiko Ueda, Masashi Tada, Takahiro Kai
  • Patent number: 10459290
    Abstract: A film of 15 to 45 ?m thick containing a cellulose acylate and an aromatic ester oligomer having a repeating unit derived from a dicarboxylic acid and a repeating unit derived from a diol, in which the repeating unit derived from a dicarboxylic acid has a ratio m/n of from 0/10 to 3/7, m and n represent a molar proportion of a repeating unit derived from an aliphatic dicarboxylic acid and an aromatic dicarboxylic acid, respectively, and the film satisfies |Rth(590)|?50 nm; has a good appearance and is free of deterioration in display performance when the film with a thin thickness is produced in the form of a roll, achieves a high pencil hardness by imparting a high Knoop hardness to the film, even with a hard coat layer provided, and is free of display unevenness on installing the film in a liquid crystal display device.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: October 29, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Yoshiaki Hisakado, Masato Nagura, Yu Naito, Rikio Inoue, Yutaka Adegawa
  • Patent number: 10459136
    Abstract: The present invention provides an optical laminate in which cissing occurring when an optically anisotropic layer is formed and film thickness unevenness are suppressed, and a polarizing plate and an organic EL display device using the same. The optical laminate includes an optically anisotropic layer A, and an optically anisotropic layer B, where layer A and layer B come into direct contact, either or both of layer A and layer B are formed of a composition containing a liquid crystal compound, surface energy A of a surface of layer A on a side in contact with layer B is 30 to 40 mN/m, surface energy B1 of a surface of layer B on a side in contact with layer A is 35 mN/m or more, and surface energy B2 of a surface of layer B opposite to the side in contact with layer A is 25 mN/m or less.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: October 29, 2019
    Assignee: FUJIFILM Corporation
    Inventor: Akira Maruyama
  • Patent number: 10446788
    Abstract: An optically transparent adhesive resin composition includes an ester polymer which contains an ester bond within a repeating unit, a (meth)acrylic ester polymer which contains a (meth)acrylic ester bond within the repeating unit, a rubber polymer, and a crystalline polymer.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: October 15, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Sung You, Yong Youl Cho
  • Patent number: 10439148
    Abstract: A compound represented by the general formula (1) is useful as a light emitting material. In the general formula (1), Ar1 to Ar3 represent an aryl group, provided that Ar2 and Ar3 are the same as each other, and at least one of Ar1 to Ar3 represents an aryl group substituted with a group represented by the general formula (2). In the general formula (2), R1 to R8 represent a hydrogen atom or a substituent; Z represents O, S, R9—N, (R10) (R11)C, or (R12) (R13)Si; and R9 to R13 each independently represent a hydrogen atom or a substituent.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: October 8, 2019
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: James MacDonald, Melissa Skidmore, Kazunori Ueno, Hiroshi Miyazaki, Chihaya Adachi
  • Patent number: 10414982
    Abstract: It is an object of this invention to provide a retardation film which uses a liquid crystal compound, has a suppressed streak defect and shows a good front contrast, and an application thereof. The present invention provides a retardation film in which a liquid crystal compound capable of showing a smectic phase is fixed in the smectic phase, the retardation film including a non-liquid crystal compound which satisfies the conditions A and B: condition A: molecular weight is 10000 or less; and condition B: T0?T1?30° C. T0 represents the phase transition temperature between the nematic phase and the isotropic phase of a composition which does not contain the non-liquid crystal compound, and T1 represents the phase transition temperature between the nematic phase and the isotropic phase of a composition which contains the non-liquid crystal compound.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: September 17, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Chie Moriya, Ayako Muramatsu, Ryoji Goto, Shinnosuke Sakai
  • Patent number: 10418562
    Abstract: This invention discloses novel compounds containing a bitriazine building block. These compounds can be used as host materials or electron transporting materials for organic light-emitting devices.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: September 17, 2019
    Assignee: Universal Display Corporation
    Inventors: Chuanjun Xia, Lichang Zeng, Alexey Borisovich Dyatkin, Walter Yeager
  • Patent number: 10367151
    Abstract: A condensed cyclic compound represented by Formula 1: wherein, in Formula 1, rings, groups and variables are the same as defined in the specification.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: July 30, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Hyunjung Kim, Miyoung Chae, Sangmo Kim, Soonok Jeon, Yeonsook Chung, Yongsik Jung, Dalho Huh, Youngseok Park, Namheon Lee
  • Patent number: 10355222
    Abstract: Novel compounds containing quinazoline are disclosed in this application. In these compounds, the quianzoline moiety is combined with additional aromatic groups such as dibenzothiophene, triphenylene and carbazole to provide superior properties for OLED.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: July 16, 2019
    Assignee: Universal Display Corporation
    Inventors: Lichang Zeng, Gregg Kottas, Chuanjun Xia
  • Patent number: 10353125
    Abstract: The present disclosure relates to a polarizing plate including an adhesive layer, a primer layer and a polyethylene terephthalate film which are sequentially formed on at least one side of a polarizer, wherein the adhesive layer in the present disclosure is formed by an active energy ray-curable adhesive including a first epoxy compound of which a homopolymer has a glass transition temperature of 120° C. or higher, a second epoxy compound of which a homopolymer has a glass transition temperature of 60° C. or lower, and a cationic photopolymerization initiator, and wherein the primer layer is formed by a primer composition including one or more binder resins selected from the group consisting of polyester and polyvinyl alcohol-based resins, and one or more cross-linking agents selected from the group consisting of acrylic cross-linking agents, epoxy-based cross-linking agents and polyvinyl alcohol-based cross-linking agents.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: July 16, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Hyun Nam, Eun-Mi Seo, Seung-Hee Nam, Dae-Woong Lee, Kyun-Il Rah
  • Patent number: 10344192
    Abstract: A thermo-reversible adhesive composition containing a base resin, methyl acetoacetate, and a metal-organic complex compound having the formula M(X)n(R)o, wherein: M is a metal selected from the group consisting of aluminum, iron, and nickel, X is acetylacetonate, R is H2O, n is an integer equal to 2 or 3, and o is an integer greater than or equal to 0 and less than or equal to 2, such that n+o is equal to 3 or 4.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: July 9, 2019
    Assignees: Samsung Electronics Co., Ltd., GUARDNEC Co., Ltd.
    Inventors: Yongbeom Kim, Kiho Park, Bowon Jung, Bugon Kim, Jaeik Song, Wonseok Choi
  • Patent number: 10344182
    Abstract: The present invention relates to the field of displays and discloses a polyimide substrate, which is manufactured by reacting lignin, polyimide and a free radical initiator. Because lignin contains various active groups, for example, hydroxyl, carboxyl and aryl, etc., when it is introduced into the polymer structure of polyimide, the maximum absorption peak of the polymer can be made to redshift from less than or equal to 280 nm to less than or equal to 380 nm, so that a certain absorption and screening action may be laid on the light wave during a subsequent Laser Lift Off process, and the substrate and the liquid crystal may be prevented from being damaged during a Laser Lift Off process of the glass base substrate, thereby guaranteeing the display quality of the flexible display.
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: July 9, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Hua Huang
  • Patent number: 10338428
    Abstract: The present disclosure provides a quantum dot display apparatus. By adding quantum dot display technology of the present disclosure can provide sophisticated quantum dot patterns in the color filter layer and have higher resolution, color saturation and color gamut of the display apparatus, the well structure and manufacture is simple. The disclosure also provides a manufacturing method of a quantum dot display apparatus, the methods includes exposure, coating, developing process of the existing color filter to contain the surface modified red and green quantum dot resin composition with more sophisticated patterns, and making high resolution, color saturation and color gamut quantum dot display apparatus, the material preparation and fabrication process of this manufacturing method is simple, less waste of materials, low production cost, suitable for mass production.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: July 2, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Guohe Liu
  • Patent number: 10326086
    Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups an variables are the same as described in the specification.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: June 18, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wook Kim, Changho Noh, Rupasree Ragini Das, Youngseok Park, Hyejin Bae, Miyoung Chae, Dmitry Kravchuk
  • Patent number: 10312454
    Abstract: The present invention relates to a compound for an organic optoelectric device, an organic optoelectric device, to which the compound is applied, and a display device, wherein the compound is represented by chemical formula 1. The detailed contents regarding chemical formula 1 are the same as defined in the specification.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: June 4, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sangshin Lee, Dong Min Kang, Youngkwon Kim, Jun Seok Kim, Eun Sun Yu, Byoungkwan Lee, Kipo Jang, Sujin Han
  • Patent number: 10253220
    Abstract: Provided are an acrylic pressure-sensitive adhesive composition including a (meth)acryl-based polymer and a phosphonic acid compound of formula (1): wherein R is a hydrogen atom or a hydrocarbon residue having 1 to 18 carbon atoms which may have an oxygen atom, or a salt thereof, the composition containing 0.005 to 3 parts by weight of the phosphonic acid compound of formula (1) based on 100 parts by weight of the (meth)acryl-based polymer; a pressure-sensitive adhesive layer made from the acrylic pressure-sensitive adhesive composition; a pressure-sensitive adhesive layer-attached substrate film having the pressure-sensitive adhesive layer; a laminate including the pressure-sensitive adhesive layer-attached substrate film; and an image display device including the laminate or the pressure-sensitive adhesive layer-attached substrate film.
    Type: Grant
    Filed: December 25, 2014
    Date of Patent: April 9, 2019
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shinsuke Akizuki, Yuusuke Toyama, Atsushi Yasui
  • Patent number: 10234723
    Abstract: A backlight unit including: a light source; and a photoconversion layer disposed separately from the light source to convert a wavelength of incident light from the light source and thereby provide converted light, wherein the photoconversion layer includes a polymer matrix and a plurality of anisotropic semiconductor nanocrystals disposed in the polymer matrix, and wherein the polymer matrix includes a polymer having a repeating unit represented by Chemical Formula 1: wherein R1 is hydrogen or a methyl group, each R2 is independently hydrogen or a C1 to C3 alkyl group, and R3 is a C2 to C5 alkyl group, wherein the polymer exhibits elasticity at a temperature between a glass transition temperature of the polymer and about 100° C., and wherein the plurality of anisotropic semiconductor nanocrystals are aligned along a long axis thereof for the photoconversion layer to emit polarized light.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: March 19, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., THE UNIVERSITY OF CHICAGO
    Inventors: Hyun A Kang, Dmitri V. Talapin, Patrick D. Cunningham, Eun Joo Jang
  • Patent number: 10228491
    Abstract: The present invention relates to a radical-curable adhesive composition including a radical-polymerizable first compound that includes at least two hydroxyl groups in the molecule, and having hydroxyl value of 500 mg KOH/g or greater, and a polarizing plate and an optical member including the radical-curable adhesive composition.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: March 12, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Eun-Soo Huh, Kwang-Seung Park, Mi-Rin Lee, Sung-Hyun Kim, Jun-Wuk Park