Patents Examined by Sarah Hahm
  • Patent number: 8849072
    Abstract: An optical device for integrated photonic applications includes a substrate, a dielectric waveguide and a surface plasmon waveguide. The dielectric waveguide includes a dielectric waveguide core disposed relative to a dielectric waveguide cladding and a common cladding. The surface plasmon waveguide includes a surface plasmon waveguide core disposed relative to the common cladding and a surface plasmon waveguide cladding. The common cladding couples the dielectric waveguide and the surface plasmon waveguide.
    Type: Grant
    Filed: February 11, 2010
    Date of Patent: September 30, 2014
    Assignee: Physical Sciences, Inc.
    Inventors: Juan Montoya, Mark G. Allen, Joel M. Hensley, Krishnan R. Parameswaran, Rajeev Ram
  • Patent number: 8848160
    Abstract: A display screen includes a substrate comprising a first surface and a second surface opposite to the first surface; a beam-splitting polarizer formed on a first surface of the substrate; and a non-conductive metal layer formed on a second surface of the substrate. The beam-splitting polarizer is a cholesterol liquid crystalline polarization layer.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: September 30, 2014
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Qi-Jian Du, Chwan-Hwa Chiang
  • Patent number: 8842955
    Abstract: An optical fiber cable enabling further reduction of possibilities of disconnection of optical fiber due to, for instance, cicada oviposition. The optical fiber cable (10) is provided with: an optical fiber core (1); a tension member (2), which is arranged in parallel to the optical fiber core (1) on one side or on the both sides of the optical fiber core (1); and a sheath (3) which integrally covers the optical fiber core (1) and the tension member (2). At least one portion of the sheath (3) is composed of a polymeric material having a yield point stress of 12 MPa or higher.
    Type: Grant
    Filed: December 24, 2009
    Date of Patent: September 23, 2014
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Masayoshi Tsukamoto, Yutaka Hoshino, Noboru Okada
  • Patent number: 8836878
    Abstract: A thin film transistor array panel includes a substrate; a plurality of gate lines that are formed on the substrate; a plurality of data lines that intersect the gate lines; a plurality of thin film transistors that are connected to the gate lines and the data lines; a plurality of color filters that are formed on upper parts of the gate lines, the data lines, and the thin film transistors; a common electrode that is formed on the color filters and that includes a transparent conductor; a passivation layer that is formed on an upper part of the common electrode; and a plurality of pixel electrodes that are formed on an upper part of the passivation layer and that are connected to a drain electrode of each of the thin film transistors.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: September 16, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Wook Lee, Jang-Soo Kim
  • Patent number: 8823904
    Abstract: The present invention provides an improved type of liquid crystal (LC) display device with wide-viewing angle and high optical transmittance. The LC display of the present invention consists of: at least one LC alignment apparatus, which makes the LC molecules within the display area forming a continuous-domain or multi-domain alignments, and hence improve its wide-viewing-angle characteristics; a LC layer formed by Nematic type LC with chiral dopants, and with optimal parameters of the optical path difference ?nd and LC rotations of d/p ratio, such that LC molecules can be aligned along all radial directions to achieve optimal transmittance, and thus producing an wide-viewing-angle LC display improved transmittance without the formation of dark fringes in the display area.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: September 2, 2014
    Assignee: Innolux Corporation
    Inventors: Shih-Hung Fan, Yuhren Shen, Cheng-Chung Peng, Hsin-Ta Lee
  • Patent number: 8817203
    Abstract: Provided is a backlight unit including, a bracket on which a light emitting device array is disposed, and a bottom cover on which the bracket is disposed, the bottom cover supporting an optical member, wherein a fixing member to removably fix is provided on the bottom cover, the side and top of the fixing member are flat and the cross-sectional area of a lower part of the fixing member is equal to or less than the cross-sectional area of an upper part of the fixing member.
    Type: Grant
    Filed: June 13, 2011
    Date of Patent: August 26, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Hae Hyung Lee, Bang Gun Kim
  • Patent number: 8814441
    Abstract: An optical connector (10), in particular for outside use, for detachably connecting at least two optical cables along a connector axis (43) comprises a socket portion (11) and a plug portion (27), which portions are substantially of cylindrical design with respect to the connector axis (43), can be detachably plugged into one another along the connector axis (43) and can be locked in the plugged-in state. A locking mechanism (19, 20, 32, 33, 36, 46), which is equipped with a latch function and which latches automatically during insertion is provided for the purposes of rapid locking.
    Type: Grant
    Filed: April 16, 2008
    Date of Patent: August 26, 2014
    Assignee: Huber+Suhner AG
    Inventors: Martin Michael Strasser, Daniel Greub
  • Patent number: 8810760
    Abstract: A liquid crystal display (LCD) panel is provided. A pixel structure of the LCD panel has an asymmetrical liquid crystal alignment. The LCD panel is divided into an array of display blocks. When the LCD panel is in a narrow viewing angle display mode, some of the display blocks are disabled or darkened so that a displayed image is interfered by the disabled or darkened display blocks when it is viewed from the side. Thereby, an anti-peep effect is achieved.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: August 19, 2014
    Assignee: Au Optronics Corporation
    Inventors: Chao-Wei Yeh, Chien-Huang Liao, Wen-Hao Hsu
  • Patent number: 8805146
    Abstract: The present invention relates to a multicore optical fiber having a structure for effectively inhibiting polarization mode dispersion from increasing, and the multicore optical fiber comprises a plurality of multicore units and a cladding region integrally covering the plurality of multicore units while separating the multicore units from each other. Each of the plurality of multicore units includes a plurality of core regions arranged such as to construct a predetermined core arrangement structure on a cross section orthogonal to an axis. The core arrangement structure of each multicore unit on the cross section has such a rotational symmetry as to coincide with the unrotated core arrangement structure at least three times while rotating by 360° about a center of the multicore unit, thereby reducing the structural asymmetry of each multicore unit.
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: August 12, 2014
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventor: Eisuke Sasaoka
  • Patent number: 8797488
    Abstract: A fringe field switching type liquid crystal display device is disclosed. In one non-limiting example embodiment, the devices includes a plurality of gate wirings and a plurality of data wirings intersecting with each other on a substrate to define a plurality of pixels, wherein a plurality of adjacent pixels form a unit and at least one first transparent electrode having a substantially flat shape and formed in each of the pixels. The device may further include a plurality of second transparent electrodes formed in each of the pixels and located over the first transparent electrode, wherein each of the second transparent electrodes comprises two opposing ends and a coupling part configured to electrically connect the ends of all of the second transparent electrodes associated with the unit.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: August 5, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jae-Kyung Go
  • Patent number: 8787711
    Abstract: An interconnect system includes a first circuit board, first and second connectors connected to the first circuit board, and a transceiver including an optical engine and arranged to receive and transmit electrical and optical signals through a cable, to convert optical signals received from the cable into electrical signals, and to convert electrical signals received from the first connector into optical signals to be transmitted through the cable. The transceiver is arranged to mate with the first and second connectors so that at least some converted electrical signals are transmitted to the first connector and so that at least some electrical signals received from the cable are transmitted to the second connector.
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: July 22, 2014
    Assignee: Samtec, Inc.
    Inventors: Eric Zbinden, Randall Musser, Jean-Marc André Verdiell, John Mongold, Brian Vicich, Keith Guetig
  • Patent number: 8774583
    Abstract: An optical device and an optical transmitter are provided. The optical device includes a substrate, a first optical waveguide that may be formed in the substrate and may have a bending portion, and a second optical waveguide that intersects with the bending portion of the first optical waveguide, wherein a groove may be formed outside the bending portion of the first optical waveguide in the substrate.
    Type: Grant
    Filed: January 11, 2010
    Date of Patent: July 8, 2014
    Assignee: Fujitsu Limited
    Inventors: Takashi Shiraishi, Tetsu Hasegawa, Masaharu Doi
  • Patent number: 8755645
    Abstract: A method applying a circular photonic crystal structure to improve optical properties of a photoelectric conversion device such as a light emitting diode device, an organic light emitting diode device or a solar cell is provided, wherein the circular photonic crystal structure is configured on a junction surface between two different mediums where passes a light emitted or received by the photoelectric conversion device. The circular photonic crystal structure provides isotropic photonic band gap which conduces high light extraction efficiency.
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: June 17, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Chia-Chen Hsu, Jian-Hung Lin, Tien-Li Chang, Hung-Yi Lin, Ta-Hsin Chou, Jen-Hui Tsai
  • Patent number: 8749743
    Abstract: In a method of manufacturing a single-layer cholesteric liquid crystal display device, a liquid crystal composition of a cholesteric phase is formed between a first substrate and a second substrate. A plurality of liquid crystal layers are formed by sequentially adjusting the temperature of the cholesteric phase liquid crystal composition and performing a plurality of optical curing processes on the cholesteric phase liquid crystal composition. Each of the plurality of liquid crystal layers corresponds to one of the plurality of subpixels.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: June 10, 2014
    Assignees: Samsung Electronics Co., Ltd., Industry-University Cooperation Foundation Hanyang University
    Inventors: Jae-eun Jang, Jae-eun Jung, Kyu-young Hwang, Jae-hoon Kim, Kwang-soo Bae
  • Patent number: 8743330
    Abstract: A liquid crystal display device is provided which can enhance a numerical aperture. The display has a pixel transparent conductive film electrode and a transparent conductive film counter electrode formed on an insulation film, which in turn is formed on a first substrate to cover the pixel electrode. A plurality of linear portions of the counter electrode are arranged on the pixel electrode. A gate-signal-line side of the pixel electrode of the first pixel is formed on a first-pixel side of the gate signal line and a gate-signal-line side of the pixel electrode of the second pixel is formed on a second-pixel side of the gate signal line. The gate-signal-line-side frame portion of the counter electrode of the first pixel and the gate-signal-line-side frame portion of the counter electrode of the second pixel are formed in common on the gate signal line in a striding manner.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: June 3, 2014
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Yuji Maede, Takao Sato
  • Patent number: 8744228
    Abstract: A communications interconnection system includes: a communications rack having a pair of upright members; a patch panel mounted to the upright members, the patch panel having mounting locations for telecommunications connectors; and a cable management system mounted to the rack. The cable management system comprises a cable mounting member having a cable securing portion and a pair of arms attached to the cable securing portion, the arms being substantially parallel to each other and slidably mounted relative to the panel to enable adjustment of the distance between the cable securing portion and the communications rack. This configuration can enable the cable management system to be used with communications racks of different sizes and designs.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: June 3, 2014
    Assignee: CommScope, Inc. of North Carolina
    Inventors: Wade Womack, Joseph C. Livingston
  • Patent number: 8724066
    Abstract: A liquid crystal display includes: a first substrate having pixels, each pixel including a display area and a non-display area; a second substrate facing the first substrate and including a common electrode; and a liquid crystal layer disposed between the first substrate and the second substrate. Each pixel includes a first transistor, a second transistor, a main pixel electrode having a first connection part electrically connected to the first transistor, and a sub-pixel electrode having a second connection part electrically connected to the second transistor. The first and second connection parts are disposed in the non-display area. A protective layer is disposed between the first connection parts the first transistors and between second connection parts and the second transistors.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: May 13, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Sun Kim, Seongyoung Lee, Chongchul Chai, Joon-Chul Goh, Young-Soo Yoon
  • Patent number: 8724863
    Abstract: An optical fiber is designed to transmit high-power laser radiation. The optical fiber includes a fiber core, and an inner fiber cladding surrounding the fiber core, where the inner fiber cladding is configured to carry the laser radiation in the fiber core. The optical fiber also includes a first outer fiber cladding surrounding the inner fiber cladding. The first outer fiber cladding has a capillary-free longitudinal section and has a smaller refractive index than the refractive index of the inner fiber cladding. The optical fiber includes an outermost fiber cladding surrounding the first outer fiber cladding. The outermost fiber cladding has scattering centers that surround the capillary-free longitudinal section, where the scattering centers scatter laser radiation emerging from the inner fiber cladding through the first outer fiber cladding along the capillary-free section.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: May 13, 2014
    Assignee: Trumpf Laser GmbH + Co. KG
    Inventors: Malte Kumkar, Rudolf Huber
  • Patent number: 8712206
    Abstract: High-density fiber optic modules and fiber optic module housings and related equipment are disclosed. In certain embodiments, a front opening of a fiber optic module and/or fiber optic module housing is configured to receive fiber optic components. The width and/or height of the front opening can be provided according to a designed relationship to a width and/or height, respectively, of a front side of a main body of the fiber optic module and/or fiber optic module housing. In this manner, a high density of fiber optic components and/or connections for a given space of the front side of the fiber optic module can be supported by the fiber optic module and/or fiber optic module housing. The fiber optic modules and fiber optic module housings disclosed herein can be disposed in fiber optic equipment including but not limited to a fiber optic chassis and a fiber optic equipment drawer.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: April 29, 2014
    Assignee: Corning Cable Systems LLC
    Inventors: Terry L. Cooke, Gerald J. Davis, David L. Dean, Jr., Marco A. Gonzalez Garcia, Tory A. Klavuhn, Manuel A. Lopez Sanchez, Brian K. Rhoney, Alan W. Ugolini
  • Patent number: 8699830
    Abstract: An optical modulation device of an embodiment includes: a first p-type semiconductor region; a first n-type semiconductor region; a first low-impurity-density semiconductor region formed between the first p-type semiconductor region and the first n-type semiconductor region; a second n-type semiconductor region formed on an outer side of the first p-type semiconductor region via a second low-impurity-density semiconductor region; and a second p-type semiconductor region formed on an outer side of the first n-type semiconductor region via a third low-impurity-density semiconductor region. The carrier density in the first low-impurity-density semiconductor region is changed by current injection. The phase of light propagated through an optical waveguide structure that includes at least part of the first low-impurity-density semiconductor region is modulated.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: April 15, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Mizunori Ezaki, Nobuo Suzuki