Circular Patents (Class 349/98)
  • Patent number: 10910544
    Abstract: Superconducting circuits and memories that use a magnetic Josephson junction (MJJ) device as a pi inverter are disclosed. The MJJ device includes superconducting layers configured to allow a flow of a supercurrent through the MJJ device. The MJJ device further includes a magnetic layer arranged between the superconducting layers, where the magnetic layer has an associated magnetization direction, and where the first state of the MJJ device corresponds to a zero-phase of a supercurrent flowing through the MJJ device and the second state of the MJJ device corresponds to a ?-phase of the supercurrent flowing through the MJJ device. In response to an application of a magnetic field, without any change in the magnetization direction of the magnetic layer, the MJJ device is configured to switch from the first state to the second state responsive to a change in a phase of the supercurrent.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: February 2, 2021
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Thomas F. Ambrose, James M. Murduck
  • Patent number: 10890777
    Abstract: Disclosed is a selectively reflective member which can uniformly reflect only a desired wavelength with high efficiency even in a large area and, at the same time, is highly cost effective. Specifically, there is provided an electromagnetic wave reflecting member that reflects electromagnetic waves with a specific wavelength, the electromagnetic wave reflecting member comprising a first selectively reflective layer that reflects only a clockwise or counterclockwise circularly polarized light component with wavelength ? in incident electromagnetic waves, a phase difference layer, and a second selectively reflective layer that reflects only a clockwise or counterclockwise circularly polarized light component with wavelength ?, provided in that order, the phase difference layer having a retardation satisfying the following equation: Re={(2n+1)/2±0.2}×? wherein Re represents average retardation; ? represents wavelength; and n is an integer of 1 or more.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: January 12, 2021
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Takashi Kuroda, Satoru Hamada, Keiji Kashima
  • Patent number: 10890805
    Abstract: A liquid crystal display device includes sequentially from a viewing surface side: a first polarizer; an out-cell retardation layer; a first substrate; an in-cell retardation layer; a horizontally aligned liquid crystal layer; a second substrate; and a second polarizer. The liquid crystal display device includes a viewing angle compensation film between the first polarizer and the out-cell retardation layer or between the second substrate and the second polarizer. The out-cell retardation layer is a laminate including sequentially from a viewing surface side: a first retardation layer having an NZ coefficient of 1.0-1.1 and an Re of 120 nm or greater and smaller than 137.5 nm; and a second retardation layer having an Re of 0-10 nm and an Rth of 80-150 nm. The in-cell retardation layer is a third retardation layer having an NZ coefficient of 0.7-1.4 and an Re of 120 nm or greater and smaller than 137.5 nm.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: January 12, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masahiro Hasegawa, Akira Sakai, Takako Koide, Yuichi Kawahira, Koji Murata, Kiyoshi Minoura
  • Patent number: 10816709
    Abstract: A light reflection film includes at least one light reflection layer RPRL in which a cholesteric liquid crystal phase of a right-handed helical structure having right circularly polarized light reflection ability is fixed; and at least one light reflection layer LPRL in which a cholesteric liquid crystal phase of a left-handed helical structure having left circularly polarized light reflection ability is fixed. A total of three or more layers of the light reflection layer(s) RPRL and the light reflection layer(s) LPRL are laminated. The light reflection layer(s) RPRL and the light reflection layer(s) LPRL laminated each have a selective reflection center wavelength shifted by an interval of 10 nm or more and 160 nm or less between two light reflection layers adjacent to each other.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: October 27, 2020
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Tomoyuki Hayasaki, Hitoshi Asami, Yoshiyuki Yahagi, Kouichi Tanaka
  • Patent number: 10768351
    Abstract: Provided is an optical laminate including a resin layer and an adhesive layer, and being excellent in adhesiveness between these layers. The optical laminate includes: a resin layer; an adhesive layer arranged on at least one side of the resin layer; and an intermediate layer formed between the resin layer and the adhesive layer, the intermediate layer containing at least part of a material constituting the resin layer and at least part of a material constituting the adhesive layer, in which the intermediate layer has a thickness of from 20 nm to 200 nm. In one embodiment, the resin layer includes a resin film having optical anisotropy.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: September 8, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventor: Mitsuru Suzuki
  • Patent number: 10718889
    Abstract: Exemplary thin-film optical devices have first and second layer groups disposed as a layer stack on a substrate. The first layer group comprises a first PPN layer, a first LCP layer, and a first barrier layer all superposed. The second layer group is superposed relative to the first layer group, and includes a second PPN layer, a second LCP layer, and a second barrier layer all superposed. The first and second layer groups cooperate to polarize multiple wavelengths of an incident light flux in a broadband and/or wide-angle manner Each of the layer groups has an alignment layer, a respective liquid-crystal polymer layer, and a barrier layer.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: July 21, 2020
    Assignee: The Arizona Board of Regents on Behalf of the University of Arizona
    Inventors: Stanley Pau, Wei-Liang Hsu
  • Patent number: 10658447
    Abstract: A display device including a plurality of light emitting elements including first, second, and third light emitting elements; and a color filter including first, second, and third color filters corresponding to respective first, second, and third light emitting elements, wherein first and second light-shielding members are disposed at a light emission direction, first ends of the first and second color filters overlap with the first light-shielding member in a cross sectional view, a first distance between the first end of the first color filter and a first side surface of the first light-shielding member and a second distance between the first end of the second color filter and a second side surface of the second light-shielding member are different in the cross sectional view, a thickness of the first color filter and a thickness of the second color filter are different.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: May 19, 2020
    Assignee: Sony Corporation
    Inventors: Yosuke Motoyama, Reo Asaki
  • Patent number: 10466541
    Abstract: A display device including a first substrate, a pixel unit disposed on the first substrate and including a first sub-pixel electrode, a second sub-pixel electrode and a third sub-pixel electrode, the first through third sub-pixel electrodes being adjacent to one another, a second substrate facing the first substrate, a first wavelength conversion layer disposed on a surface of the second substrate facing the first substrate, and overlapping the first sub-pixel electrode, a second wavelength conversion layer disposed on the surface of the second substrate facing the first substrate, and overlapping the second sub-pixel electrode, a transmissive layer disposed on the surface of the second substrate facing the first substrate, and overlapping the third sub-pixel electrode, a first cholesteric liquid crystal layer disposed on a surface of the first wavelength conversion layer facing the first substrate, a second cholesteric liquid crystal layer disposed on a surface of the second wavelength conversion layer facin
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: November 5, 2019
    Assignee: Samsung Display Co., Ltd
    Inventors: Ki Chul Shin, Ho Kil Oh
  • Patent number: 10429703
    Abstract: A liquid crystal display includes substrates facing each other, plural pixels, a liquid crystal layer between the substrates, and a pixel electrode in each pixel. The pixel electrode defines: a first stem extending in a first direction, a second stem extending in a second direction, first edge bars extending in the first direction and connected to the second stem, second edge bars extending in the second direction and connected to the first stem, and plural branches extending from the first or second stem and inclined with respect to the first or second directions and terminating spaced apart from the first and second edge bars. Distal ends of each of the first edge bars are spaced apart from distal ends of each of second edge bars, and in the second direction, each of the first edge bars overlaps lines along which the second edge bars respectively lengthwise extend.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: October 1, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Wan Namgung, Ik Han Oh, Seung Kyu Lee, Ho Jun Lee, Ki Pyo Hong
  • Patent number: 10354597
    Abstract: An optical device is described. The device has a sensor having a light incident side, wherein the sensor is designed to convert light that is incident upon the light incident side into an electrical signal. In one embodiment, the device further has at least one lens and a liquid crystal device which is arranged in front of the light incident side of the sensor in such a manner that the at least one lens is situated between the liquid crystal device and the sensor, wherein the liquid crystal device comprises at least one region whose light transmission is electronically controllable. There are further described an electronic device, a method of controlling an optical device, and a computer program.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: July 16, 2019
    Assignee: e.solutions GmbH
    Inventors: Stefan Christmann, Thomas Franke
  • Patent number: 10256253
    Abstract: The present disclosure discloses that an array substrate, including a base substrate having a circular or oval horizontal section, wherein the base substrate comprises a display region and a non-display region, wherein a plurality of first signal lines, a plurality of second signal lines crossing the plurality of first signal lines, a plurality of thin film transistors and a plurality of pixel electrodes are arranged in the display region, and the plurality of thin film transistors and the plurality of pixel electrodes are arranged in a plurality of pixel regions defined by the plurality of first signal lines and the plurality of second signal lines, wherein a connection wire connected to the plurality of first signal lines and the plurality of second signal lines is arranged in the non-display region.
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: April 9, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenbo Li
  • Patent number: 10254453
    Abstract: Exemplary thin-film optical devices have first and second layer groups disposed as a layer stack on a substrate. The first layer group comprises a first PPN layer, a first LCP layer, and a first barrier layer all superposed. The second layer group is superposed relative to the first layer group, and includes a second PPN layer, a second LCP layer, and a second barrier layer all superposed. The first and second layer groups cooperate to polarize multiple wavelengths of an incident light flux in a broadband and/or wide-angle manner. Each of the layer groups has an alignment layer, a respective liquid-crystal polymer layer, and a barrier layer.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: April 9, 2019
    Assignee: Arizona Board of Regents on Behalf of the University of Arizona
    Inventors: Stanley Pau, Wei-Liang Hsu
  • Patent number: 10241241
    Abstract: A light controlling film comprises a light reflecting film and a light controlling layer that are laminated. The light reflecting film comprises at least two laminated light reflecting layers including at least one of light reflecting layers PRL-1 to PRL-3 that a central reflection wavelength of 400 nm-500 nm, 500 nm-600 nm, and 600 nm-700 nm, respectively, and a reflectance to ordinary light at the central reflection wavelength of 5%-25%. The at least two light reflecting layers have central reflection wavelengths that are different from each other. All of the at least two laminated light reflecting layers have a property of reflecting polarized light having the same orientation. The light controlling layer comprises two quarter wave plates, and the light reflecting film is laminated so as to be interposed between the two quarter wave plates.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: March 26, 2019
    Assignee: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Kouichi Tanaka, Chihiro Takahashi, Yui Yokoyama, Tomoyuki Hayasaki
  • Patent number: 10203555
    Abstract: There are provided a phase difference control component, which can realize a liquid crystal display device having a wide angle of visibility, has excellent phase difference symmetry and can realize optical compensation, and a process for producing the same. The phase difference control component comprises a base material; and a phase difference control layer formed of a fixed liquid crystal material provided on the base material through an aligning film and is characterized in that the angle of liquid crystal molecules, present at the interface of the aligning film and the phase difference control layer, to the base material being substantially 0 (zero) degree.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: February 12, 2019
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Norihisa Moriya, Kanami Ikegami
  • Patent number: 10151864
    Abstract: An optical film having a positive C-plate sandwiched by circular polarization reflection layers with different center wavelength of reflection band, wherein the circular polarization reflection layer closest to a light exit side of the optical film does not have the shortest center wavelength of reflection band among the circular polarization reflection layers, can suppress an oblique tint change when the optical film is incorporated into a liquid crystal display device.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: December 11, 2018
    Assignee: FUJIFILM Corporation
    Inventor: Kotaro Yasuda
  • Patent number: 10132974
    Abstract: The present invention provides a circularly polarizing plate that improves the visibility of black color in an oblique direction when being applied to a display device and having a small thickness, the display device including a circularly polarizing plate. The circularly polarizing plate is a circularly polarizing plate including, in this order, a polarizer, a ?/2 plate, and a ?/4 plate, in which the ?/2 plate is a laminate of a first A-plate and a first C-plate, the ?/4 plate is a laminate of a second A-plate and a second C-plate, one of the first C-plate and the second C-plate is a cellulose acylate film having a predetermined Rth, and the other of the first C-plate and the second C-plate is an optically anisotropic layer including a liquid crystal compound having a predetermined Rth or a cellulose acylate film having a predetermined Rth.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: November 20, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Yusuke Furuki, Naoyoshi Yamada, Masakane Muto
  • Patent number: 10120200
    Abstract: A display apparatus includes: a backlight assembly configured to emit light; and a display panel configured to display a two-dimensional (2D) image or a three-dimensional (3D) image using the light, wherein the backlight assembly includes: a first backlight unit configured to emit light for creating the 2D image; a second backlight unit configured to emit light for creating the 3D image; and a first polarizing panel disposed between the first backlight unit and the second backlight unit, and configured to prevent at least a portion of leakage light leaking from the second backlight unit from being incident to the second backlight unit.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: November 6, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Kuen Yang, Keun-Bae Jeon, Sang Hyun Sohn
  • Patent number: 10073198
    Abstract: A display device is provided. The display device includes a display module and a cover lens. The display module has a display area and a non-display area aside the display area. The cover lens which is disposed on the display module and covers the same includes a convex lens portion and a cover portion, wherein the convex lens portion has a convex cover surface facing the display area, the cover portion is connected to a side of the convex lens portion opposite to convex cover surface; the cover portion also has a fringe extending outsides the convex lens portion. The cover portion has an outer surface which includes a central area and a cambered surface connected to the central area and corresponding to the fringe.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: September 11, 2018
    Assignee: AU OPTRONICS CORPORATION
    Inventor: Tzu-Ling Niu
  • Patent number: 9946124
    Abstract: A liquid crystal display includes substrates facing each other, plural pixels, a liquid crystal layer between the substrates, and a pixel electrode in each pixel. The pixel electrode defines: a first stem extending in a first direction, a second stem extending in a second direction, first edge bars extending in the first direction and connected to the second stem, second edge bars extending in the second direction and connected to the first stem, and plural branches extending from the first or second stem and inclined with respect to the first or second directions and terminating spaced apart from the first and second edge bars. Distal ends of each of the first edge bars are spaced apart from distal ends of each of second edge bars, and in the second direction, each of the first edge bars overlaps lines along which the second edge bars respectively lengthwise extend.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: April 17, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Wan Namgung, Ik Han Oh, Seung Kyu Lee, Ho Jun Lee, Ki Pyo Hong
  • Patent number: 9910197
    Abstract: The present invention provides an optical member including a reflection layer and an information presentation layer, the reflection layer comprising one or more circularly-polarized light reflection layers selected from the group consisting of a right circularly-polarized light reflection layer and a left circularly-polarized light reflection layer, the circularly-polarized light reflection layer consisting of a layer obtained by fixing a cholesteric liquid-crystalline phase, the reflection layer having a reflection wavelength at which a specular reflectance for non-polarized light is more than 20% in a wavelength region in which the circularly-polarized light reflection layer exhibits selective reflection, a diffuse reflectance for non-polarized light at the reflection wavelength less than 50%, the reflection wavelength being in an infrared wavelength region, and the information presentation layer having a pattern of a material that absorbs or reflects light of the reflection wavelength.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: March 6, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Kazuhiro Oki, Mitsuyoshi Ichihashi, Wataru Majima
  • Patent number: 9817262
    Abstract: The problem is to provide a front plate of a TN liquid crystal panel capable of inhibiting occurrence of color unevenness caused by retardation of a polycarbonate resin sheet, even when a liquid crystal panel is observed through polarizing glasses or liquid crystal shutter glasses for 3D, while having excellent impact resistance, heat resistance and transparency. The solution means is the front plate 1 of a TN liquid crystal panel provided with the polycarbonate resin sheet 10, wherein the direction of the slow axis X or the fast axis Y of the polycarbonate resin sheet 10 is inclined by 45° with respect to the lengthwise direction L of a liquid crystal panel.
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: November 14, 2017
    Assignees: MITSUBISHI GAS CHEMICAL COMPANY, INC., MGC FILSHEET CO., LTD.
    Inventors: Koshi Koide, Osamu Kakinoki
  • Patent number: 9793444
    Abstract: One object of the invention is to provide a display device that can display an image which causes a viewer less strain associated with viewing and gives a viewer a sense of great depth and an electronic device for enjoying the image. The present inventors have focused on a sense of depth obtained by monocular viewing and have conceived a display device in which pixels each include a light-emitting module capable of emitting light having a spectral line half-width of less than or equal to 60 nm in a response time of less than or equal to 100 ?s and are provided at a resolution of higher than or equal to 80 ppi; the NTSC ratio is higher than or equal to 80%; and the contrast ratio is higher than or equal to 500.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: October 17, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Yoshiharu Hirakata
  • Patent number: 9709831
    Abstract: An electronic window is disclosed. The electronic window comprises: base substrate, first polarizing device, and second polarizing device disposed on the same side or on different sides of the base substrate; in an OFF state, first polarizing device configured to convert an incident light into a first polarized light and emitting the first polarized light, a polarization direction of the first polarized light is perpendicular to a polarization direction of the second polarizing device, and the second polarizing device configured to prevent the first polarized light from emitting; and in an ON state, first polarizing device configured to transmit the incident light, the second polarizing device configured to transmit the incident light or to convert the incident light into a third polarized light and emit the third polarized light, a polarization direction of the third polarized light is the same as a polarization direction of the second polarizing device.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: July 18, 2017
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Guanghui Liu
  • Patent number: 9618795
    Abstract: The liquid crystal panel includes a liquid crystal cell, a first polarizer on one side of the liquid crystal cell, a second polarizer on the other side of the liquid crystal cell, a first optically anisotropic element disposed between the liquid crystal cell and the first polarizer, and a second optically anisotropic element disposed between the first optically anisotropic element and the liquid crystal cell. Absorption axes of the first and the second polarizers are perpendicular to each other. The first optically anisotropic element has a slow axis direction parallel to the absorption axis direction of the first polarizer. The second optically anisotropic element has a slow axis direction perpendicular to the absorption axis direction of the first polarizer. The first and the second optically anisotropic elements each have in-plane and thickness-direction retardation values within specific ranges, respectively.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: April 11, 2017
    Assignee: NITTO DENKO CORPORATION
    Inventors: Toshiyuki Iida, Nao Murakami
  • Patent number: 9552777
    Abstract: This document describes techniques and apparatuses for implementing a phase control backlight. A phase control backlight is configured to concentrate light to each pupil of a viewer of a display to cause images to be displayed to each pupil of the viewer. The phase control backlight can include an illuminator and a light guide that includes a diffraction grating. The light guide is configured to receive light rays from the illuminator, and to diffract light rays out of the light guide via the diffraction grating. In accordance with various embodiments, the light guide can be controlled to alter a phase of the light rays as the light rays are guided within the light guide to cause the diffracted light rays to converge to a concentration point that corresponds to a position in space of each pupil of the viewer.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: January 24, 2017
    Assignee: Microsoft Technology Licensing, LLC
    Inventor: Adrian R. L. Travis
  • Patent number: 9423543
    Abstract: A display device includes a display panel, a first pressure sensitive adhesive positioned on the display panel, a quarter wavelength (?/4) wave plate positioned on the pressure sensitive adhesive, a linear polarizer positioned on the ?/4 wave plate, and a first base layer positioned on the linear polarizer.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: August 23, 2016
    Assignee: LG Display Co., Ltd.
    Inventor: Wonjong Cho
  • Patent number: 9394465
    Abstract: Provided is a novel transparent adhesive sheet with which the cut edge is not sticky over time when a laminated body that has been bonded via the adhesive sheet is cut, which can be adhered without generating residual air bubbles, even when the surface of an adherend is uneven, and which can be adhered without foaming, even when the adherend is a material such as plastic that can generate outgas. Suggested is an adhesive sheet that has one or more layers of a first adhesive layer and one or more layer of a second adhesive layer that exhibit different viscoelastic behaviors, and has an integrated structure whereby these layers are laminated, with a dynamic shear storage modulus G? of 2×104 to 5×105 Pa for G?(20° C.) and 1×104 to 1×105 Pa for G?(150° C.) when measured with a 1 Hz frequency temperature dispersion.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: July 19, 2016
    Assignee: MITSUBISHI PLASTICS, INC.
    Inventor: Makoto Inenaga
  • Patent number: 9383483
    Abstract: A diffuse reflector (100) uses a host layer (120) containing particles (122). The host layer (120) contains a cholesteric material that reflects a first frequency of light, and the particles (122) in the host layer (120) create separate cholesteric domains (126) that reflect light of the first frequency in different directions.
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: July 5, 2016
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Mario Ariosto Matranga, Jana Heuer, Stephen Kitson
  • Patent number: 9213129
    Abstract: Disclosed is a brightness enhancing film, including a multilayered thin film wherein a plurality of first thin film layers which are optically anisotropic and a plurality of second thin film layers which are optically isotropic are alternately stacked, the multilayered thin film including a first wavelength reflection region which reflects a wavelength of 160˜451 nm, a second wavelength reflection region which reflects a wavelength of 451˜836 nm, and a third wavelength reflection region which reflects a wavelength of 836˜1040 nm, and a thickness of each of the first and second thin film layers in the first and second wavelength reflection regions is linearly increased from the short wavelength reflection side toward the long wavelength reflection side, and a thickness of each of the first and second thin film layers in the third wavelength reflection region is nonlinearly increased from the short wavelength reflection side toward the long wavelength reflection side.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: December 15, 2015
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: A Reum Han, Jeong Yeol Moon
  • Patent number: 9065707
    Abstract: Described herein is an optical phase modulator (20) including a liquid crystal element (22), disposed between a pair of opposing electrodes (24) and (26). The electrodes (24, 26) are electrically driven for supplying an electric potential V across the liquid crystal element (22) to drive the liquid crystals within element (22) in a predetermined configuration. Electrode (26) includes a grid of individually drivable pixel regions (28), at least some of which include a sub-wavelength grating structure that provides an anisotropic refractive index profile in orthogonal lateral dimensions, thereby creating an effective material form birefringence. Light incident through liquid crystal element (22) and onto electrode (26) is reflected and experiences a relative phase difference of 180° between its constituent orthogonal polarization components, thereby rotating each polarization component into the orthogonal orientation upon reflection.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: June 23, 2015
    Assignee: Finisar Corporation
    Inventors: Steven James Frisken, Glenn Wayne Baxter, Qihong Wu
  • Publication number: 20150146141
    Abstract: A stereoscopic three-dimensional image display device is disclosed which includes: a liquid crystal display panel defined into a plurality of pixel regions; a data driver to supply data voltages to the pixel regions; a patterned retarder disposed on a front surface of the liquid crystal display panel to polarize light from the liquid crystal display panel. The patterned retarder includes a first patterned retarder, to circularly polarize light from the liquid crystal display panel in a first direction and formed in a height greater than that of a pixel region of the plurality of pixel regions, and second patterned retarder to circularly polarize light from the liquid crystal display panel in a second direction opposite the first direction and formed in a height greater than that of the pixel region.
    Type: Application
    Filed: November 25, 2014
    Publication date: May 28, 2015
    Inventors: Kwan Son KIM, Joo Hong LEE, Woong Ki MIN, Yoonsan PARK
  • Publication number: 20150124202
    Abstract: In a liquid crystal display (LCD) panel of the present invention, a second substrate comprises a second electrode, wherein the second electrode comprises a trunk portion and plurality of branch portions, and there is a first predetermined angle and a second predetermined angle between the trunk portion and the branch portions, and the predetermined angle is less than or greater than 45 degrees. Quarter wave retarder films are bonded to outer surfaces of a first substrate and the second substrate, respectively. The present invention can improve the color shift problem and the transmittance of the LCD panel.
    Type: Application
    Filed: May 25, 2012
    Publication date: May 7, 2015
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Chihtsung Kang
  • Patent number: 8994912
    Abstract: A transparent display device includes a cholesteric liquid crystal display (LCD) panel to display an image, a first polarized sheet arranged on one side of the cholesteric LCD panel, and a first ¼ phase delay sheet arranged between the first polarized sheet and the display panel.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: March 31, 2015
    Inventors: Chiachiang Hsiao, Chihwen Chen
  • Publication number: 20150085224
    Abstract: A display comprises a first substrate, a second substrate opposite to the first substrate, an electrode structure, and a light-emitting combination (LEC) layer positioned between the first and second substrates, wherein the LEC layer comprises a light emitting material and a LC material, and a horizontal or vertical electric field is generated when a voltage is applied to that electrode structure. One of exemplified displays has an electrode structure comprising a first electrode and a second electrode oppositely disposed, and the LEC layer is positioned between the first and second electrodes, wherein a vertical electric field is generated when a voltage is applied. The device can further comprise an electron injection layer and a hole transport layer. Another exemplified display has an electrode structure arranged on one side of the first substrate, and a horizontal electric field is generated when a voltage is applied.
    Type: Application
    Filed: September 18, 2014
    Publication date: March 26, 2015
    Inventors: Hsu-Kuan Hsu, Chien-Hung Chen, Hong-Yuan Chen, Mei-Chi Hsu, Pi-Ying Chuang, Chu-Hong Lai
  • Publication number: 20150085228
    Abstract: The present invention provides a liquid crystal display (LCD) panel and a display apparatus using the same. The LCD panel comprises a first substrate, a second substrate, a liquid crystal layer and quarter wave (?/4) retarder films. The liquid crystal layer is formed between the first substrate and the second substrate. The second substrate comprises a second electrode, wherein the second electrode comprises a trunk portion and plurality of branch portions, and there is a predetermined angle between the trunk portion and the branch portions, and the predetermined angle is less than or greater than 45 degrees. The ?/4 retarder films are bonded to outer surfaces of the first substrate and the second substrate. The present invention can improve the color shift problem and the transmittance of the LCD panel.
    Type: Application
    Filed: May 25, 2012
    Publication date: March 26, 2015
    Applicant: Shenzhen China Star Optoelectronicas Technology Co., Ltd.
    Inventor: Chihtsung Kang
  • Publication number: 20150062505
    Abstract: Provided is an optically anisotropic sheet that gives a thin optically anisotropic film that can be transferred to a display device. The optically anisotropic sheet includes a substrate, a liquid crystal cured film, and a sticky adhesive layer in this order. The liquid crystal cured film is a film that has a thickness of 5 ?m or less and is cured with a polymerizable liquid crystal compound aligned. The sticking force (El) between the liquid crystal cured film and the sticky adhesive layer is greater than the substrate sticking force (F4).
    Type: Application
    Filed: August 7, 2014
    Publication date: March 5, 2015
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Nobuyuki HATANAKA, Tadahiro KOBAYASHI, Akira YOKOTA, Tatsuaki KASAI
  • Publication number: 20150062504
    Abstract: An identification medium can be affixed to cloth or leather products by sewing. A cholesteric liquid crystal layer on which an embossed surface for forming a hologram is formed, is sandwiched between a first supporting member and a second supporting member. A mounting region that can be affixed to clothing, etc., by sewing, is formed.
    Type: Application
    Filed: March 14, 2013
    Publication date: March 5, 2015
    Inventors: Hidekazu Hoshino, Itsuo Takeuchi, Tohru Ida, Seiya Shibuya
  • Patent number: 8970953
    Abstract: An identification medium is provided in which latent image having plural colors can be observed even when the identification medium is spaced away from a polarization filter. A cholesteric liquid crystal layer is provided as a specific polarization light reflection layer which reflects light having a specific polarized condition. An optical anisotropic layer having an optical anisotropy is provided at an upper position overlapping with the specific polarization light reflection layer. An image A fanned by an area having an optical anisotropy different from that of surroundings is formed at the optical anisotropic layer. When the identification medium is directly viewed, the influence of the optical anisotropy cannot be seen. When the identification medium is observed via a circular polarization filter, the image can be seen to have a specific color by the influence of the optical anisotropy.
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: March 3, 2015
    Assignee: NHK Spring Co., Ltd.
    Inventors: Hidekazu Hoshino, Itsuo Takeuchi, Tokio Sakauchi, Seiya Shibuya, Tohru Ida
  • Patent number: 8970812
    Abstract: Provided are a circular polarizer and a reflective liquid crystal display including the same. The circular polarizer includes a polarizer comprising a polarizing film in which an absorption axis has an angle of about 85° to about 95° with respect to a liquid crystal alignment direction of a liquid crystal cell, where, in CIE coordinates, a color “a” is about ?1 to about ?0.6 and a color “b” is about 0.3 to about 2.5 and a ¼ wavelength plate in which an optical axis has an angle of about 130° to about 140° with respect to the liquid crystal alignment direction of the light crystal cell. When the circular polarizer is used, the visibility and color tone of the reflective liquid crystal display may be improved.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: March 3, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Hyun Nam, Hyuk Yoon, Kyun Il Rah, Moon-Soo Park
  • Publication number: 20150042922
    Abstract: A liquid crystal display panel includes a metal electrode, a transparent electrode, an interlayer insulating film, and a comb-shaped electrode. Distorted horizontal electric fields are generated in order to distort the orientation of liquid crystal molecules. Accordingly, it is possible to achieve a transflective liquid crystal display device that has high transmittance, reflectance, and yield, and that can suppress display defects such as screen burn-in without using a panel gap adjusting structure, a driving method that respectively applies different electric fields to the reflective region and the transmissive region, or a multi-L/S structure.
    Type: Application
    Filed: February 20, 2013
    Publication date: February 12, 2015
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Yuichi Kawahira, Toshihiro Matsumoto, Mitsuhiro Murata, Yosuke Iwata
  • Publication number: 20150022745
    Abstract: A phase modulator for the modulation of the phase of circular polarised light which interacts with the phase modulator. The phase modulator has a first and a second substrate, an electrode arrangement and a liquid crystal layer with liquid crystal molecules. The first substrate is disposed adjacent to the second substrate. The liquid crystal layer is disposed between the two substrates. The first substrate has a first surface, and the second substrate has a second surface. The liquid crystal molecules situated next to the first surface are oriented substantially parallel to the first surface. The liquid crystal molecules situated next to the second surface are oriented substantially perpendicular to the second surface. An in-plane component of the liquid crystal molecule orientation can be set within an angular range of about 180°, e.g. between ?90° and +90° related to a specifiable central orientation.
    Type: Application
    Filed: September 17, 2014
    Publication date: January 22, 2015
    Inventors: Bo KROLL, Norbert LEISTER
  • Publication number: 20150015834
    Abstract: A display apparatus may include a first substrate defined by a pixel region and a transmitting region adjacent to the pixel region, the pixel region emitting light in a first direction and the transmitting region transmitting external light; a second substrate that faces the first substrate and seals pixels defined on the first substrate; an optical filter arranged on a first side of the display apparatus through which light is emitted, the optical filter being configured to transmit circularly polarized light that rotates in a predetermined direction; and an optical reflectance conversion device arranged on a second side of the display apparatus, opposite the first side, the optical reflectance conversion device being configured to change a reflectance of the external light according to modes of operation of the display apparatus.
    Type: Application
    Filed: September 30, 2014
    Publication date: January 15, 2015
    Inventors: Sang-Hoon YIM, Young-Woo SONG, Jin-Koo CHUNG
  • Publication number: 20150009432
    Abstract: A method for manufacturing of a conductive member include forming one of a conductive layer including metal nanowires or a light-scattering layer including insulating light-scattering fine particles on a substrate in a pattern shape; and forming the other of the conductive layer including metal nanowires or the light-scattering layer including insulating light-scattering fine particles on a space of the substrate wherein the one of the conductive layer or the light-scattering layer is not formed.
    Type: Application
    Filed: September 22, 2014
    Publication date: January 8, 2015
    Applicant: FUJIFILM Corporation
    Inventor: Kensuke KATAGIRI
  • Publication number: 20150009459
    Abstract: The present invention provides a liquid crystal display panel and a liquid crystal display device which have improved viewing angle characteristics due to having a multi-domain structure and the like and can sufficiently improve transmittance. The present invention relates to a liquid crystal display panel, including a first substrate and a second substrate facing each other; and a liquid crystal layer interposed between the substrates, the first substrate and/or the second substrate including a vertical alignment film on the liquid crystal layer side to align liquid crystal molecules, at a voltage lower than a threshold voltage, in the vertical direction to main surfaces of the substrates, the first substrate and/or the second substrate including a common electrode, the common electrode including a grid-shaped first common electrode, the first substrate including a pixel electrode, and the pixel electrode being branched.
    Type: Application
    Filed: December 19, 2012
    Publication date: January 8, 2015
    Inventors: Yosuke Iwata, Hidefumi Yoshida, Mitsuhiro Murata
  • Publication number: 20140375927
    Abstract: An image display device in which an image display panel, at least one patterned retardation layer and a polarization element layer are arranged in this order, and the patterned retardation layer includes first retardation regions and second retardation regions which are alternately arranged in a stripe-like form and in which at least one of an in-plane slow axis direction and a retardation is different from each other.
    Type: Application
    Filed: September 4, 2014
    Publication date: December 25, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Makoto ISHIGURO, Yoji ITO
  • Publication number: 20140368771
    Abstract: The present invention provides a liquid crystal display device which can achieve cost reduction, excellent productivity, and a high contrast ratio within a wide viewing angle range. The liquid crystal display device of the present invention includes, in the order set forth, a first polarizer, a first ?/4 plate, a liquid crystal cell, a second ?/4 plate, a third Type-I birefringent layer, a Type-IV birefringent layer, and a second polarizer. An in-plane slow axis of the first ?/4 plate forms an angle of about 45° with an absorption axis of the first polarizer. An in-plane slow axis of the second ?/4 plate is substantially perpendicular to the in-plane slow axis of the first ?/4 plate. An absorption axis of the second polarizer is substantially perpendicular to the absorption axis of the first polarizer. An in-plane slow axis of the third Type-I birefringent layer is substantially parallel with the absorption axis of the second polarizer.
    Type: Application
    Filed: January 25, 2013
    Publication date: December 18, 2014
    Inventors: Akira Sakai, Masahiro Hasegawa, Takayuki Nishiyama
  • Patent number: 8885123
    Abstract: The present invention provides a 3D display apparatus which comprises a display and a liquid crystal cell module. The liquid crystal cell module retards a phase of the light emitted from the display and corresponding to a display frame for forming a left-handed circularly polarized light and a right-handed circularly polarized light. The present invention further provides a method for manufacturing the 3D display apparatus. The present invention can display 3D images without losing image information. The response time of a ferroelectric liquid crystal and an anti-ferroelectric liquid crystal of the present invention is faster, and thus the effect on the luminance of the display is less.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: November 11, 2014
    Assignee: Shenzhen China Star Optoelectronics Technology Co. Ltd.
    Inventor: Hong-Ji Huang
  • Patent number: 8877304
    Abstract: It is an object of the present invention to provide an optical film which has reverse chromatic dispersibility that its retardation becomes smaller as the wavelength becomes shorter and a low photoelastic constant.
    Type: Grant
    Filed: June 17, 2008
    Date of Patent: November 4, 2014
    Assignee: Teijin Chemicals, Ltd.
    Inventors: Tetsuya Motoyoshi, Masatoshi Ando, Makoto Ueno, Akiko Nishijima
  • Patent number: 8820937
    Abstract: An optical polarization state modulator assembly for use in a stereoscopic three-dimensional image projection system includes a spatial light modulator, a light source emitting multiple wavelength components of light for incidence on the spatial light modulator, and a projection lens. A polarization converter system cooperates with the spatial light modulator to produce in alternating sequence polarized light carrying first and second perspective view images of a scene in different ones of first and second subframes. A polarization modulator, in response to first and second drive signals, imparts to, respectively, the image-carrying polarized light a first output polarization state during the first subframe and to the image-carrying polarized light a second output polarization state during the second subframe. The image-carrying polarized light in the first and second output polarization states propagates through the projection lens for transmission to an observer.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: September 2, 2014
    Assignee: LC-TEC Displays AB
    Inventors: Jesper Osterman, Terry J. Scheffer
  • Patent number: 8810753
    Abstract: A liquid crystal device includes: a liquid crystal layer; a first substrate and a second substrate between which the liquid crystal layer is sandwiched; a reflective layer operable to reflect light which is incident thereon from the second substrate side through the liquid crystal layer; a plurality of optical layers disposed on the side opposite to the first substrate with reference to the second substrate; and a plurality of light-scattering layers which are each disposed in at least one of a region between the second substrate and the optical layers and a region between two mutually proximate ones of the optical layers and which each show relatively larger forward scattering and relatively smaller back scattering.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: August 19, 2014
    Assignee: Sony Corporation
    Inventor: Toshiharu Matsushima