Patents Examined by Eli D Strah
  • Patent number: 11099410
    Abstract: A layered structure including a transparent substrate; a photoluminescent layer disposed on the transparent substrate and a pattern of a quantum dot polymer composite; and a capping layer disposed on the photoluminescent layer and including an inorganic material, a method of producing the same, a liquid crystal display including the same. The quantum dot polymer composite includes a polymer matrix; and a plurality of quantum dots in the polymer matrix, the pattern of the quantum dot polymer composite includes at least one repeating section and the repeating section includes a first section configured to emit light of a first peak wavelength, the inorganic material is disposed on at least a portion of a surface of the repeating section, and the inorganic material includes a metal oxide, a metal nitride, a metal oxynitride, a metal sulfide, or a combination thereof.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: August 24, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG DISPLAY CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Deukseok Chung, Shin Ae Jun, Tae Won Jeong, Yong Seok Han
  • Patent number: 11053161
    Abstract: A multi-layer glass phosphor powder sheet and its preparation method, and a light-emitting device. The preparation method for the multi-layer glass phosphor powder sheet includes: mixing a first optical functional material, a glass powder and an organic carrier to obtain a first slurry, and mixing a second optical functional material, the glass powder and the organic carriers to obtain a second slurry; coating the first slurry on a first substrate, and drying it at a first temperature so that at least some of the organic carrier is volatilized, to obtain a first functional layer, the first temperature being lower than a softening point of the glass powder; coating the second slurry on the surface of the first functional layer, to obtain a second functional layer; and sintering the first substrate on which the functional layers are coated at a second temperature, to obtain the multi-layer glass phosphor powder sheet.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: July 6, 2021
    Assignee: APPOTRONICS CORPORATION LIMITED
    Inventors: Qian Li, Yanqing Deng, Zifeng Tian
  • Patent number: 11046885
    Abstract: A layered structure including a photoluminescent layer including a quantum dot polymer composite; a light absorption layer disposed on the photoluminescent layer, the light absorption layer including an absorptive color-filter material; and a silicon containing layer disposed between the photoluminescent layer and the light absorption layer, wherein the quantum dot polymer composite includes a first polymer matrix and a plurality of quantum dots dispersed in the first polymer matrix, and the plurality of quantum dots absorb excitation light and emits light in a longer wavelength than the wavelength of the excited light; and the absorptive color-filter material is dispersed in a second polymer matrix, and the absorptive color-filter material absorbs the excitation light that passes through the photoluminescent layer and transmits the light emitted from the plurality of quantum dots and an electronic device including the same.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: June 29, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Gon Kim, Deukseok Chung, Jooyeon Ahn, Shin Ae Jun
  • Patent number: 11048113
    Abstract: A display device includes: a display panel configured to display an image; a window panel covering the display panel, and including a display area configured to transmit the image and a non-display area surrounding the display area; and an adhesive layer between the display panel and the window panel, wherein the window panel includes: a window substrate facing the display panel; a protective layer on a portion of a surface of the window substrate in the non-display area; and a light blocking layer on the protective layer, wherein the protective layer is an organic-inorganic composite layer.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: June 29, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sanghoon Lim, Jaeyoung Yu, Jongsung You, Heuiweon Yun
  • Patent number: 11034776
    Abstract: Regioselectively substituted cellulose esters having a plurality of pivaloyl substituents and a plurality of aryl-acyl substituents are disclosed along with methods for making the same. Such cellulose esters may be suitable for use in films, such as +A optical films, and/or +C optical films. Optical films prepared employing such cellulose esters have a variety of commercial applications, such as, for example, as compensation films in liquid crystal displays and/or waveplates in creating circular polarized light used in 3-D technology.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: June 15, 2021
    Assignee: Eastman Chemical Company
    Inventors: Matthew Allen Boone, Christopher Harlan Burk, Peter Borden Mackenzie, Jennifer A. Fish, Eduardo Gallas Cervo, Elaine Beatrice Mackenzie, Robert Joseph Maleski, Wesley McConnell, David William Norman, Tabatha Stearns, Bin Wang
  • Patent number: 10974487
    Abstract: A cover element for a foldable electronic device that includes a foldable glass element, first and second primary surfaces, and a compressive stress region extending from the first primary surface to a first depth that is defined by a stress ?I of at least about 100 MPa in compression at the first primary surface. The device also includes a polymeric layer disposed over the first primary surface. The glass element has a stress profile such that when the glass element is bent to a target bend radius of from 1 mm to 20 mm, to induce a bending stress ?B at the first primary surface in tension, ?I+?B<400 MPa (in tension). Further, the cover element can withstand a pen drop height of at least 1.5 times that of a control pen drop height of the cover element without the layer according to a Drop Test 1.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: April 13, 2021
    Assignee: Corning Incorporated
    Inventors: Polly Wanda Chu, Michael Patrick Donovan, Timothy Michael Gross, Louis Mattos, Jr., Prakash Chandra Panda, Robert Lee Smith, III
  • Patent number: 10974482
    Abstract: A laminated film having a haze of 1.0% or less and including two kinds of silica particles (silica particles A and silica particles B) in a cured layer, wherein the occupied area proportion of the silica particles A on a cross-sectional TEM image of the cured layer is 0.5% to 20.0% and satisfies the following relationship with the occupied area proportion of the silica particles B: 0.005?occupied area proportion of silica particles A/occupied area proportion of silica particles B?0.400, the variation coefficient of the occupied area proportion of the silica particles A on the cross-sectional TEM image of the cured layer is more than 0.5% and 3.0% or less, and the variation coefficient of the occupied area proportion of the silica particles B is 0.0% to 0.5%; a production method thereof; a polarizing plate; a liquid crystal panel; a liquid crystal display; and a touch panel.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: April 13, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Masaaki Suzuki, Tatsuya Iwasaki, Katsuyuki Takada
  • Patent number: 10968392
    Abstract: Provided are a liquid crystal alignment film capable of being given anisotropy through photoalignment and stable to light, and a liquid crystal display device capable of keeping a high voltage holding ratio without degradation of display quality even when exposed to strong light for a long period of time. To provide these, used is a liquid crystal aligning agent for photoalignment which contains a polymer having a structural unit containing a photoreactive structure and in which the structural unit containing a photoreactive structure undergoes chemical reaction by heating.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: April 6, 2021
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Yohei Koseki, Takehiko Kanbara
  • Patent number: 10954054
    Abstract: A laminate includes the following substantially coextensive layers in the following order: (a) a non-sealable, self-supporting, thermoformable copolyester film layer having a first surface and a second surface, the second surface constituting an outermost, exposed surface of the laminate; (b) a laminating adhesive layer on the first surface of the thermoformable copolyester film layer; and (c) a self-supporting, thermoformable structural film layer having a first surface and a second surface, the first surface contacting the laminating adhesive layer.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: March 23, 2021
    Assignee: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
    Inventors: Fenghua Deng, Peter N. Nugara, Stephen K. Franzyshen, Reps M. Haskins
  • Patent number: 10948630
    Abstract: A display apparatus includes a display module having a display surface configured to display an image, and a window member disposed on the display surface. The window member includes a flexible base layer having a plurality of concave patterns defined on an upper portion thereof, and a plurality of hard coating patterns each disposed in a respective one of the concave patterns and having a hardness greater than the hardness of the flexible base layer.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: March 16, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyungtae Kim, Boa Kim, Sanghoon Kim, Hyunjoon Oh, Sang-il Park, Heonjung Shin, Hye-jin Oh, Jeoungsub Lee, Min-hoon Choi
  • Patent number: 10899882
    Abstract: An object of the present invention is to provide a phase difference film that can exhibit sufficient reciprocal wavelength dispersibility. The present invention includes a copolymer containing at least one selected from a unit represented by Formula (1) and a unit represented by Formula (2), and a unit represented by Formula (3), in which 20 nm<Re (548)<300 nm, 0.5<Re (446)/Re (548)<1.0, and 1.0<Re (629)/Re (548)<2.0. Here, Re (446), Re (548), and Re (629) represent in-plane retardations at wavelengths of 446 nm, 548 nm, and 629 nm, respectively.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: January 26, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Shigeki Uehira, Naoyuki Morooka, Takafumi Nakayama
  • Patent number: 10899697
    Abstract: Disclosed is a material for a vertical aligning agent, and a molecular structure of the material is shown in formula (I): R-L1P-L2nQ??(I) wherein Q is a polar anchor group, L1 is a rigid group, P is a polymerizable group, L2 is a linking group, R is a terminal flexible group, and n is in a range from 1 to 3. In the material, the polar anchor group is connected to the polymerizable group, which is beneficial to increase an aspect ratio of the material. Therefore, a fluid viscosity of the material can be reduced, and a diffusion effect of the material on a substrate can be improved.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: January 26, 2021
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Song Lan
  • Patent number: 10883022
    Abstract: A pressure-sensitive adhesive composition for an optical film, includes a (meth)acryl-based polymer obtained by polymerization of a monomer component including, as a main component, an alkyl (meth)acrylate having an alkyl group of 4 to 18 carbon atoms; and a phosphate ester compound. The pressure-sensitive adhesive composition is capable of forming a pressure-sensitive adhesive layer for optical films. The pressure-sensitive adhesive layer that is for use on optical films and makes it possible to suppress an increase in the surface resistance of a transparent conductive layer even when a laminate including a transparent conductive layer and an optical film such as a polarizing plate with the pressure-sensitive adhesive layer interposed therebetween is stored under hot and humid conditions.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: January 5, 2021
    Assignee: NITTO DENKO CORPORATION
    Inventors: Mizuho Nagata, Toshitaka Takahashi, Yousuke Makihata, Kayo Shimokawa, Kenichi Okada, Toshitsugu Hosokawa
  • Patent number: 10876046
    Abstract: A curable composition includes: (A) a quantum dot; (B) a binder resin including a structural unit represented by Chemical Formula 1-1, a structural unit represented by Chemical Formula 1-2, a structural unit represented by Chemical Formula 1-3, and a structural unit represented by Chemical Formula 2; and (C) a solvent. A resin layer is manufactured using the curable composition, and a display device includes the resin layer.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: December 29, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jinsuop Youn, Minjee Park, Youn Je Ryu, Bumjin Lee, Jiyoung Jeong, Jong Kyu Choi
  • Patent number: 10863632
    Abstract: The present disclosure provides a display device that include: a display panel that includes a display area and a peripheral area that is provided at the periphery of an edge of the display area; a window that is provided on one side of the display panel to protect the display panel; and an adhesive film that is provided between the display panel and the window to bond the display panel and the window to each other, wherein the adhesive film in an area that corresponds to the peripheral area and the adhesive film in an area that corresponds to the display area have different properties.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: December 8, 2020
    Inventor: Chui Hyun Choi
  • Patent number: 10852455
    Abstract: A laminate of optical elements comprises a transparent first optical element, a second optical element, and a transparent pressure-sensitive adhesive layer for bonding the first optical element to the second optical element. The pressure-sensitive adhesive layer comprises a base adhesive zone, a transparent refractive index-adjusting zone. The base adhesive zone is made essentially of a transparent base pressure-sensitive adhesive material and formed over a given range from a first principal surface of the pressure-sensitive adhesive layer facing the first optical element, in a thickness direction of the pressure-sensitive adhesive layer. The a transparent, adherent, refractive index-adjusting zone is formed over a given range from a second principal surface of the pressure-sensitive adhesive layer facing the second optical element.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: December 1, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Toru Umemoto, Hirofumi Katami, Hiroyuki Takao, Takahiro Nonaka, Atsushi Yasui, Takami Hikita
  • Patent number: 10836835
    Abstract: Regioselectively substituted cellulose esters having a plurality of aryl-acyl substituents and a plurality of alkyl-acyl substituents are disclosed along with methods for making the same. Such cellulose esters may be suitable for use in optical films, such as optical films having certain Nz values, ?A optical films, and/or +C optical films. Optical films prepared employing such cellulose esters have a variety of commercial applications, such as, for example, as compensation films in liquid crystal displays and/or waveplates in creating circular polarized light used in 3-D technology.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: November 17, 2020
    Assignee: Eastman Chemical Company
    Inventors: Charles Michael Buchanan, Michael Eugene Donelson, Elizabeth Guzman-Morales, Peter Borden Mackenzie, Bin Wang
  • Patent number: 10831066
    Abstract: The present invention provides a liquid crystal display device capable of maintaining a favorable voltage holding ratio for a long period of time and thereby reducing generation of image sticking not only at room temperature but also at high temperatures. The liquid crystal display device includes: paired substrates; a liquid crystal layer that is held between the paired substrates and contains liquid crystal molecules; and an alignment film disposed between at least one of the paired substrates and the liquid crystal layer, the alignment film containing quantum dots.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: November 10, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiroshi Tsuchiya, Masanobu Mizusaki
  • Patent number: 10804417
    Abstract: Ink compositions for forming quantum dot-containing films are provided. Also provided are methods for forming the quantum dot-containing films via inkjet printing and photonic devices that incorporate the quantum dot-containing films as light-emitting layers. The ink compositions include the quantum dots, di(meth)acrylate monomers or a combination of di(meth)acrylate and mono(meth)acrylate monomers, and a one or more multifunctional crosslinking agents.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: October 13, 2020
    Assignee: KATEEVA, INC.
    Inventors: Florian Pschenitzka, Jianglong Chen, Elena Rogojina, Steven Van Slyke, Conor F. Madigan
  • Patent number: 10804486
    Abstract: A display device is provided. The display device includes a cover window having a display area and a non-display area surrounding the display area, an adhesive layer in direct contact with a lower part of the cover window, a print layer disposed under the adhesive layer and including a plurality of layers, and a delamination reduction layer disposed under the print layer. In the delamination reduction layer, an opposite surface of one surface in contact with the print layer has a higher surface energy than a lowermost layer among the plurality of layers of the print layer.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: October 13, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jaeyul Kim, Seunghoon Yang, HyeonSoo Hong, Byounghee Ku