Patents Examined by Jerry T Rahll
  • Patent number: 7778509
    Abstract: Disclosed in a method and a device in which a wave number of light in the waveguide mode of a photonic crystal optical waveguide is matched with that of the incident light, or a intensity ratio of electric field to magnetic field of the light in the waveguide mode of the photonic crystal optical waveguide is matched with that of the incident light, and furthermore, in addition to the method above, the distribution of light intensity on the incident end surface in the waveguide mode of the photonic crystal optical waveguide is matched with that of the incident light. A photonic crystal optical waveguide and channel optical waveguide are joined together, and the structure of the channel optical waveguide is wedge shaped in the joint section.
    Type: Grant
    Filed: September 13, 2005
    Date of Patent: August 17, 2010
    Assignee: NEC Corporation
    Inventors: Akiko Gomyo, Jun Ushida
  • Patent number: 7773845
    Abstract: An optical fiber transmits at least a signal light having a wavelength of 1550 nanometers in a fundamental propagation mode. The optical fiber has a cutoff wavelength equal to or longer than a wavelength of 1550 nanometers, a wavelength dispersion in the fundamental propagation mode at the wavelength of 1550 nanometers larger than 0 ps/nm/km, and a dispersion slope in the fundamental propagation mode at the wavelength of the signal light equal to or smaller than ?0.05 ps/nm2/km.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: August 10, 2010
    Assignee: The Furukawa Electric Co., Ltd.
    Inventor: Katsunori Imamura
  • Patent number: 7773847
    Abstract: A core part of a multimode optical fiber including the core part and a cladding part has a structure composed of a plurality of concentric layers in which a refractive index is decreased stepwise from a first core layer as an innermost layer to a third core layer as an outermost layer. The structure having the plurality of layers is formed by adjusting a quantity of addition of fluorine to silica glass. Fluorine is added to the cladding part so that a refractive index is lower than that of the third core layer as the outermost layer of the core part.
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: August 10, 2010
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Kazuaki Negishi, Yasushi Koyano, Itaru Sakabe, Masahiko Matsui, Masashi Onishi, Tetsuya Nakanishi
  • Patent number: 7773190
    Abstract: Disclosed herein are a liquid crystal display panel and a fabricating method thereof for improving the reliability of cell gap maintenance and for preventing an aperture ratio reduction. In the liquid crystal display panel, a color filter array substrate includes a main column spacer and a sub column spacer. A thin film transistor array substrate is disposed in opposition to the color filter array substrate. The thin film transistor array substrate includes a plurality of films, including a top film in contact with the main column spacer and a depressed portion disposed below the sub column spacer.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: August 10, 2010
    Assignee: LG. Display Co., Ltd.
    Inventors: Dong Yeung Kwak, Hyun Tae Kim
  • Patent number: 7773846
    Abstract: Microstructured optical fiber for transmitting optical signals comprised of light, the optical fiber including a core region and a cladding region surrounding the core region, the cladding region including at least one annular region having an index of refraction lower than that of the remainder of the cladding. The optical fiber provides an absolute SBS threshold in dBm greater than about 9.3+10log[(1?e?(0.19)(50)/4.343)/(1?e?(?)(L)/4.343)], wherein L is the length in km and ? is the attenuation in dB/km at 1550 nm, and a fiber cutoff wavelength of less than 1400 nm.
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: August 10, 2010
    Assignee: Corning Incorporated
    Inventors: Scott Robertson Bickham, Dana Craig Bookbinder, Ming-Jun Li, Snigdharaj Kumar Mishra
  • Patent number: 7771130
    Abstract: A flow of a resin which is injected for insert-molding a wiring plate into an end face of an optical fiber positioning component is regulated by regulating portions disposed in side portions of a die. Therefore, leads of the wiring plate can be prevented from being fixed while remaining to be positionally displaced by the force of the flowing resin. As a result, three-dimensional electrical wirings can be formed easily and correctly.
    Type: Grant
    Filed: November 20, 2007
    Date of Patent: August 10, 2010
    Assignees: Sumitomo Electric Industries, Ltd., Kabushiki Kaisha Toshiba
    Inventors: Wataru Sakurai, Mitsuaki Tamura, Hideto Furuyama, Hiroshi Hamasaki, Hideo Numata
  • Patent number: 7760298
    Abstract: A system for displaying images including a transflective liquid crystal display panel. The transflective liquid crystal display panel comprises a plurality of sub-pixels, each defined between two adjacent data lines and two adjacent scan lines. The sub-pixel comprises a transparent photoresistant layer on a color filter substrate, a reflective layer on an array substrate opposite and corresponding to the transparent photoresistant layer, a plurality of TFTs on the array substrate driving a plurality of sub-pixel areas sharing the reflective layer, and a liquid crystal layer between the color filter substrate and the array substrate.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: July 20, 2010
    Assignee: TPO Displays Corp.
    Inventors: I-Lin Wu, Hao-Chun Lee, Ming-Wei Yu, Yao-Jen Chang
  • Patent number: 7760301
    Abstract: A liquid crystal device includes a pair of polarizing plates having a transmission axis; a display panel being disposed between the pair of polarizing plates and having a function of displaying an image; and a viewing angle control panel having a liquid crystal layer that is disposed at a position adjacent to one of the pair of polarizing plates between the pair of polarizing plates with liquid crystal molecules aligned in a predetermined direction and controlling a viewing angle of a display on the display panel, wherein the alignment direction of the liquid crystal molecules of the viewing angle control panel is substantially parallel or perpendicular to a transmission axis of the one polarizing plate.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: July 20, 2010
    Assignee: Sony Corporation
    Inventor: Toshiharu Matsushima
  • Patent number: 7751004
    Abstract: In a transflective type liquid crystal display device of an FFS system, a plurality of pixels has a transmissive display area for emitting transmissive display light and a reflective display area for emitting reflective display light, and the reflective display area is equipped with a retardation layer. Polarization axes of polarizers are perpendicular to each other and an alignment direction of the liquid crystal layer is parallel to or perpendicular to the polarization axis of the first polarizer. The angle of a slow axis of the retardation layer is not less than 20° and not more than 25° or not less than 60° and not more than 75° with respect to the polarization axis of the first polarizer. A retardation value of the liquid crystal layer in the reflective area exceeds a quarter wavelength, and a retardation value of the retardation layer exceeds a half wavelength.
    Type: Grant
    Filed: April 22, 2008
    Date of Patent: July 6, 2010
    Assignee: Epson Imaging Devices Corporation
    Inventor: Toshiharu Matsushima
  • Patent number: 7751012
    Abstract: An array substrate for an IPS mode LCD device includes a gate line in a first direction on a substrate and a data line in a second direction over the substrate; a metal and a common lines in the second direction on the substrate and includes a plurality of first and second protruding portions in the first direction, respectively; a TFT connected to the gate and data lines; an insulating layer over the metal and common lines; a common electrode over the insulating layer and including a first common portion in the second direction and a plurality of second common portions in the first direction; and a pixel electrode over the insulating layer and including a first pixel portion in the second direction and a plurality of second pixel portions in the first direction, wherein the plurality of second common and pixel portions are alternately arranged.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: July 6, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Do-Young Lee, Byoung-Ho Lim, Hyun-Kyu Lee, Do-Sung Kim, Byung-Koo Kang, Eui-Tae Kim
  • Patent number: 7751674
    Abstract: The present invention provides modular cassettes for fiber management applications. Cassettes in accordance with the present invention comprise plural functional components that nest into a main housing portion to support various application and fiber types. In accordance with the present invention, such components can be added or removed depending on the application and configuration needs of the use environment. Advantageously, cassettes in accordance with the present invention incorporate resilient connections and nested internal components for easy assembly and disassembly with minimal tools.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: July 6, 2010
    Assignee: Clearfield, Inc.
    Inventor: John Paul Hill
  • Patent number: 7747122
    Abstract: A method and apparatus for high speed silicon optical modulation is described using a PN diode. In one example, an optical waveguide has adjoining first and second doped semiconductor regions. The first and second regions have opposite doping types and the first doped region extends in two perpendicular directions through the waveguide.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: June 29, 2010
    Assignee: Intel Corporation
    Inventors: Yoel Shetrit, Ling Liao, Ansheng Liu
  • Patent number: 7746418
    Abstract: To provide an inexpensive and flexible conductive thin film which is excellent in carrier mobility and electric conductivity and which is formed by highly orienting nanotube or an electronic functional organic material by simple and convenient means, as well as a thin film transistor using the conductive thin film. A conductive thin film (1) is formed by mixing a first material (5) having electric conductivity or semiconductivity and a second material (6) to prepare a mixture and orienting the mixture by utilizing liquid crystallinity thereof.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: June 29, 2010
    Assignee: Panasonic Corporation
    Inventor: Naohide Wakita
  • Patent number: 7746435
    Abstract: To provide a liquid crystal panel suitable for a liquid crystal display apparatus and capable of providing colorless neutral displays in all directions, and a liquid crystal display apparatus using the liquid crystal panel, the liquid crystal panel of the present invention includes: a liquid crystal cell; a first polarizer arranged on one side of the liquid crystal cell; a first birefringent layer arranged between the liquid crystal cell and the first polarizer; a second polarizer arranged on another side of the liquid crystal cell; and a second birefringent layer arranged between the liquid crystal cell and the second polarizer; in which: the first birefringent layer has a relationship of 1<Nz?2 where an Nz coefficient is defined by Nz=(nx-nz)/(nx-ny); and the second birefringent layer has a refractive index profile of nx=ny>nz.
    Type: Grant
    Filed: May 21, 2007
    Date of Patent: June 29, 2010
    Assignee: Nitto Denko Corporation
    Inventors: Takeharu Kitagawa, Kentarou Takeda, Hiroyuki Yoshimi, Nao Murakami
  • Patent number: 7738758
    Abstract: A device may include an input cable for receiving optical signals from a feeder cable, output cables for transmitting optical signals to a distribution cable, and a housing. The housing may include an optical splitter for splitting an input beam into a plurality of output beams, an input fiber segment for conveying the input beam from the input cable to the optical splitter, the input fiber segment excluding fiber loop slack, and output fiber segments for conveying the output beams from the optical splitter to the output cables using MT-APC connectors.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: June 15, 2010
    Assignee: Verizon Patent and Licensing Inc.
    Inventors: Ludwig C Graff, Vijay Jain
  • Patent number: 7734126
    Abstract: The present invention provides systems and methods for chirp control of a dual arm Z-modulator to minimize dispersion in the fiber plant. The chirp control is based upon a real-time control loop based upon performance monitoring data between a transmitter and a receiver. Advantageously, the present invention enables improved performance in high-speed optical systems, and in some cases can eliminate or minimize the need for external dispersion compensation fiber (DCF).
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: June 8, 2010
    Assignee: Ciena Corporation
    Inventors: Boris Kershteyn, John K. Oltman
  • Patent number: 7728936
    Abstract: Alignments of liquid crystal are obtained. A transparent magnetic thin film provides a homeotropic alignment of liquid crystal molecules. Or, a homeotropic or homogeneous alignment having an adjustable pretilt angle is further obtained through rubbing the transparent magnetic thin film. The present invention has a simple procedure with a low cost. The present invention is used in equipment with a plasma source while providing high transmittance, hardness and insulation. And the transparent magnetic thin film has potential uses in the applications of non-contact multi-domain alignment without extra procedure for alignment treatment.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: June 1, 2010
    Assignee: National Chiao Tung University
    Inventors: Ru-Pin Chao, Hsin-Ying Wu
  • Patent number: 7724993
    Abstract: MEMS switches are formed with membranes or layers that are deformable upon the application of a voltage. In some embodiments, the application of a voltage opens switch contacts.
    Type: Grant
    Filed: August 5, 2005
    Date of Patent: May 25, 2010
    Assignee: QUALCOMM MEMS Technologies, Inc.
    Inventors: Clarence Chui, Manish Kothari
  • Patent number: 7724343
    Abstract: An LCD panel including a first substrate, a second substrate disposed above the first substrate, a plurality of signal lines disposed on the first substrate, and a plurality of sub-pixel sets arranged between the first substrate and the second substrate. Each sub-pixel set includes a plurality of sub-pixels electrically connected to the corresponding signal lines. Each sub-pixel has at least one alignment pattern located therein. Additionally, the alignment pattern located in one sub-pixel of each sub-pixel set supports between the first substrate and the second substrate as a spacer.
    Type: Grant
    Filed: July 17, 2007
    Date of Patent: May 25, 2010
    Assignee: Au Optronics Corporation
    Inventors: Shih-Chyuan Fan Jiang, Ching-Huan Lin, Chih-Ming Chang
  • Patent number: 7722260
    Abstract: To provide an optical connector that enables the reduction in the number of parts and can be easily attached to an optical cable, a concave portion 18 for a ferrule is formed in a plug housing 6, and a ferrule 3 is inserted from the side of a collar portion 10 into the concave portion 18 for a ferrule. A hook portion 28 for a ferrule is provided in a protruding condition inside the plug housing 6. The collar portion 10 is guided by the hook portion 28 for a ferrule, which has been elastically deformed, and moves toward a bottom surface 26 of the concave portion 18 for a ferrule. Where the collar portion 10 reaches a space between the bottom surface 26 and the hook portion 28 for a ferrule, the hook portion 28 for a ferrule is elastically restored. Therefore, even if the collar portion 10 tries to move toward an opening 24 of the concave portion 18 for a ferrule, the collar portion is locked by the hook portion 28 for a ferrule and the movement is inhibited.
    Type: Grant
    Filed: May 1, 2008
    Date of Patent: May 25, 2010
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Junji Fukui, Wataru Sakurai, Mitsuaki Tamura