Patents Examined by Mark A. Robinson
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Patent number: 8743301Abstract: A liquid crystal display device and a method for manufacturing the same are disclosed. The liquid crystal display device comprises gate and data lines arranged to cross each other on a substrate to define a plurality of pixels; a pixel electrode formed in each of the plurality of pixels; a common electrode forming an electric field together with the pixel electrode, patterned to sense a touch of a user; a sensing line discontinuously formed on the common electrode and electrically connected with the common electrode; a jump line formed below the common electrode to electrically connect discontinuous portions of the sensing line with one another; and first and second connection electrodes for electrically connecting the jump line with the sensing line, wherein the first connection electrode is connected with the jump line, and the second connection electrode is connected with the sensing line and the first connection electrode respectively.Type: GrantFiled: November 16, 2011Date of Patent: June 3, 2014Assignee: LG Display Co., Ltd.Inventor: HeeSun Shin
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Patent number: 8730423Abstract: A liquid crystal display device includes: a plurality of source lines (2) to which a signal voltage according to a source signal is applied; a first wire (3a) and a second wire (3b) for fixing a wire breakage that are configured so that they can be connected to opposite ends of at least one of the plurality of source lines (2); and a buffer section (4) provided between the first wire (3a) and the second wire (3b) for impedance conversion along the first wire (3a) and the second wire (3b), wherein the liquid crystal display device includes spare capacitors (10a) and (10b) for adjusting a signal waveform according to the source signal applied to the source lines (2a) and (2b) with the first wire (3a) and the second wire (3b) being connected to the source lines (2a) and (2b).Type: GrantFiled: November 16, 2005Date of Patent: May 20, 2014Assignee: Sharp Kabushiki KaishaInventor: Kazuma Hirao
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Patent number: 8698986Abstract: The present invention provides a liquid crystal display device capable of suppressing alignment disorder of liquid crystal and having satisfactory VR characteristics. According to the present invention, a liquid crystal display device includes a pair of substrates and a liquid crystal layer interposed between the pair of substrates, the liquid crystal display device having a reflective region and a transmissive region. One of the pair of substrates includes a longitudinal projecting portion and a liquid-crystal-layer-thickness adjusting portion for setting a liquid crystal layer thickness in the reflective region to be smaller than a liquid crystal layer thickness in the transmissive region. At least a part of the projecting portion is arranged without a gap along at least a part of a step portion of the liquid-crystal-layer-thickness adjusting portion.Type: GrantFiled: October 27, 2009Date of Patent: April 15, 2014Assignee: Sharp Kabushiki KaishaInventors: Katsuya Ogawa, Kazuyoshi Fujioka, Tomoo Furukawa, Masaaki Saitoh
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Patent number: 8693828Abstract: A waveguide structure for a dual polarization waveguide includes a first flange member, a second flange member, and a waveguide member disposed in each of the first flange member and second flange member. The first flange member and the second flange member are configured to be coupled together in a spaced-apart relationship separated by a gap. The first flange member has a substantially smooth surface, and the second flange member has an array of two-dimensional pillar structures formed therein.Type: GrantFiled: May 10, 2011Date of Patent: April 8, 2014Assignee: The United States of America as represented by the Administrator of the National Aeronautics Space AdministrationInventors: Edward J. Wollack, Kongpop U-Yen, David T. Chuss
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Patent number: 8692944Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a first electrode, a second electrode, a third electrode, an isolating layer, and a conductor. The first electrode is disposed between the first substrate and the isolating layer, on which the conductor is disposed. Each of the second and third electrodes is disposed on the second substrate and includes a contact surface. The second and third electrodes are not in contact with each other and are separated by a gap. The conductor is disposed in accordance with the location of the gap.Type: GrantFiled: November 6, 2012Date of Patent: April 8, 2014Assignee: AU Optronics Corp.Inventors: Jeng-Fang Wu, Yi-Pai Huang, Ting-Jui Chang, Wei-Lung Liao, Shui-Chih Lien
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Patent number: 8687159Abstract: A liquid crystal display device of an in-plane switching mode and a method for manufacturing the same are disclosed. The liquid crystal display device of an in-plane switching mode includes gate lines and data lines which cross each other on a substrate to define pixel regions, thin film transistors which are formed at crossing portions of the gate lines and the data lines, first common lines formed on the same layer as the gate lines, first electrode fingers which have a plurality of diverged first fingers and include L-shaped protruded patterns at one ends of the first fingers in the pixel regions, and second electrode fingers which have second fingers formed alternately with the first fingers and include |-shaped patterns at one ends of the second fingers in the pixel regions, wherein the L-shaped protruded patterns and the |-shaped patterns overlap partly with the first common lines.Type: GrantFiled: July 18, 2008Date of Patent: April 1, 2014Assignee: LG Display Co., Ltd.Inventors: Won Ho Lee, Sang Hun Han
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Patent number: 8681292Abstract: Disclosed is a liquid crystal display (LCD) device capable of enhancing brightness uniformity by preventing light leakage. The LCD device comprises an LC panel; an optical source for providing light to the LC panel; a light guide plate coupled to a light emission surface of the optical source; a light emitting diode (LED) printed circuit board (PCB) disposed on the light guide plate and the optical source; an optical sheet disposed on the light guide plate, and having a diffusion plate and a prism sheet on an upper surface of one side corresponding to the LED PCB, the diffusion plate having a light shielding member attached thereto; and a mold frame for accommodating therein the optical source, the light guide plate, and the optical sheet.Type: GrantFiled: December 11, 2009Date of Patent: March 25, 2014Assignee: LG Display Co., Ltd.Inventor: Ki-Won Kim
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Patent number: 8670081Abstract: An array substrate for a liquid crystal display device includes a data line formed on a substrate including a pixel region; a source electrode extending from the data line; a drain electrode separated from the source electrode; a pixel electrode contacting the drain electrode and formed of a transparent conductive material in the pixel region; an organic semiconductor layer on the source and drain electrodes; a first gate insulating layer of an organic insulating material on the organic semiconductor layer; a second gate insulting layer of an inorganic insulating material on entire surface of the substrate including the first gate insulating layer; a gate line formed on the second gate insulating layer and crossing the data line to define the pixel region; and a gate electrode on the second gate insulating layer extending from the gate line and corresponding to the organic semiconductor layer.Type: GrantFiled: July 25, 2007Date of Patent: March 11, 2014Assignee: LG Display Co. Ltd.Inventor: Joon-Young Yang
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Patent number: 8665389Abstract: The present invention provides a backlight assembly and a liquid crystal display including the backlight assembly, where the liquid crystal display device is slim, lightweight, and requires low manufacturing costs because the device integrates a bottom chassis and a lamp cover. The bottom chassis includes an accommodating portion for mounting a light guide plate, an optical sheet, and a reflection sheet; an inner sidewall for accommodating the light guide plate, the optical sheet, and the reflection sheet; and a lamp cover, where both ends of the accommodating portion are bent to enclose the lamp.Type: GrantFiled: October 11, 2007Date of Patent: March 4, 2014Assignee: Samsung Display Co., Ltd.Inventors: Jun-Hee Son, Jeoung-Gwen Lee, Tae-Hyung Kim
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Patent number: 8666207Abstract: A multi-mode to single mode optical interface device includes an optically pumped edge emitting semiconductor laser device and a lens. The optically pumped edge emitting semiconductor laser device includes (1) a gain area, and (2) an edge located single mode output. The lens focuses a multi-mode optical fiber output beam into a substantially line shaped output beam focused onto the gain area of the optically pumped edge emitting semiconductor laser device. A method for converting a multi-mode optical signal into a single mode optical signal includes (1) focusing the multi-mode optical signal onto a gain area of an optically pumped edge emitting semiconductor laser using at least a line focusing lens, and (2) converting the multi-mode optical signal into the single mode optical signal using the semiconductor laser.Type: GrantFiled: November 12, 2010Date of Patent: March 4, 2014Assignee: The Trustees of Dartmouth CollegeInventor: Elsa Garmire
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Patent number: 8666210Abstract: A liquid crystal (LC) display panel including a lower substrate with pixel structures, an upper substrate, and an LC layer is provided. Each of the pixel structures includes a transistor and a pixel electrode. The pixel electrode includes first and second pixel electrodes insulated from each other, respectively including a first pattern and a second pattern that different and complementary to each other. Each of the first pixel electrode and the second pixel electrode has at least a trunk with a width smaller than or equal to 10 microns and a plurality of branches. The LC layer is positioned between the upper and the lower substrates and includes a plurality of LC molecules and a plurality of polymers, which are formed on surfaces of at least one of the upper and the lower substrates to cause the plurality of LC molecules to have a pretilt angle.Type: GrantFiled: April 13, 2010Date of Patent: March 4, 2014Assignee: Chimei Innolux CorporationInventors: Chien-Hong Chen, Jian-Cheng Chen, Rung-Nan Lu
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Patent number: 8659733Abstract: A liquid crystal display device includes: a plurality of gate lines and a plurality of data lines formed horizontally and vertically to define pixel areas on a substrate; thin film transistors (TFTs) formed at crossings of the gate lines and data lines; a common line formed to be parallel to the gate line; a common electrode formed at each pixel area, connected to the gate line, and having one end overlapping with the data line; and a pixel electrode connected to the TFT and formed to be parallel to the common electrode between the common electrodes formed at each pixel area. The common electrode has a mesh structure to thus reduce a potential deviation of common electrodes in a panel and restrain a reduction in an aperture ratio.Type: GrantFiled: June 20, 2008Date of Patent: February 25, 2014Assignee: LG Display Co., Ltd.Inventors: Young-Jik Jo, Pyung-Hun Kim
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Patent number: 8654276Abstract: An electronic apparatus includes: a display panel, a retention member retaining the display panel, and an external case covering the retention member. The retention member has a retention main body portion retaining the display panel and a plurality of fastening portions for fixing to the external case. At least one of the plurality of fastening portions has a displacement absorbing portion absorbing displacement of the retention member.Type: GrantFiled: January 27, 2011Date of Patent: February 18, 2014Assignee: Canon Kabushiki KaishaInventors: Yoshiyuki Matsumoto, Futoshi Hirai
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Patent number: 8636423Abstract: An optical fiber connector includes optical fibers, a connector body, and positioning members. The optical fibers are received in the respective through holes, and pass through the respective first recesses, the respective separating portions, and the respective second recesses, and aligned with the optical lenses. The three engagement posts of the positioning member are arranged above a through hole and surround a receiving room. The three engagement posts and a separating portion cooperatively retain an optical fiber in the connector body.Type: GrantFiled: October 20, 2011Date of Patent: January 28, 2014Assignee: Hon Hai Precision Industry Co., Ltd.Inventor: Chia-Ling Hsu
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Patent number: 8639065Abstract: The system includes a light-transmitting medium positioned on a base. The light-transmitting medium included a ridge and a slab region. The ridge extends upward from the slab region and defines a portion of a waveguide on the base. The waveguide is configured to guide a light signal through the device. The device also includes an avalanche effect light sensor positioned on the base and configured to detect the presence of the light signal. The light sensor includes a light-absorbing medium positioned on the ridge of the light-transmitting medium such that the light signal is coupled from the light-transmitting medium into the light-absorbing medium. The light-transmitting includes a charge layer located at an interface of the light-transmitting medium and the light-absorbing medium. A multiplication region is formed in the slab regions of the light-transmitting medium such that the multiplication region receives charge carriers from the charge layer during the operation of the light sensor.Type: GrantFiled: June 18, 2010Date of Patent: January 28, 2014Assignee: Kotura, Inc.Inventors: Ning-Ning Feng, Shirong Liao, Dawei Zheng, Dazeng Feng
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Patent number: 8638411Abstract: Disclosed is a transparent liquid crystal display device provided with a compensation film of a liquid crystal panel to change the polarizing state of light in an image mode thereby enhancing a viewing angle characteristic, and the transparent liquid crystal display device may include a liquid crystal panel; a light source disposed at one side of a lower portion of the liquid crystal panel to emit light; a first polarizing plate for polarizing the light emitted from the light source; a light guide plate disposed at a lower portion of the liquid crystal panel to totally reflect the light polarized to an axis by the first polarizing plate to a lateral surface thereof and supply to the liquid crystal panel, and transmit natural light entered from a lower direction therethrough; a second polarizing plate disposed at an upper portion of the liquid crystal panel to control the amount of polarized light transmitting the liquid crystal panel; and a first positive A-film disposed at a lower portion of the liquid crystType: GrantFiled: December 1, 2010Date of Patent: January 28, 2014Assignee: LG Display Co., Ltd.Inventors: Se-Hong Park, Eung-Do Kim, Jong-Sin Park
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Patent number: 8634681Abstract: An optical fiber cable for distributed fiber sensing of fluid pressure is disclosed. There are also disclosed a method and an apparatus for distributed fiber sensing of fluid pressure using the optical fiber cable. The optical fiber cable is adapted for distributed pressure sensing, and comprises: one or more optical fibers (120); and a buffer (130) surrounding the one or more optical fibers and adapted to deform asymmetrically under isotropic pressure (P) such that the fiber experiences asymmetric strain changing the birefringence of the one or more optical fibers. The optical fibers incorporated in the cable may be conventional single mode optical fibers. The optical fiber cable may be used to determine a pressure distribution along the length of the cable. The cable, apparatus or method may be used to detect pressures over long distances such as in pipes, pipelines, or wells.Type: GrantFiled: May 26, 2010Date of Patent: January 21, 2014Assignee: Fotech Solutions LimitedInventor: Alan John Rogers
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Patent number: 8615147Abstract: Provided are an optical switch device having a simple light path and capable of achieving high speed switching, and a method of manufacturing the optical switch device. The optical switch device comprises one or more first optical waveguides extending in a first direction, one or more second optical waveguides connected to the first optical waveguides in a second direction crossing the first direction, and one or more switching parts configured to control light transmitted in the first direction within the first optical waveguide connected with the second waveguide, to selectively reflect the light to the second waveguide extending in the second direction.Type: GrantFiled: January 10, 2011Date of Patent: December 24, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Young-Tak Han, Jang Uk Shin, Sang Ho Park, Sang-Pil Han, Yongsoon Baek
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Patent number: 8613513Abstract: A plus power unit and a minus power unit apply a positive voltage and a negative voltage, respectively, to respective charging rollers. A positively charged area and a negatively charged area each of which is equivalent to the width of a short roller in length in a direction vertical to a conveying direction are alternately formed on a surface of a conveying belt. It is ensured to adsorb a leading end and a trailing end of printing paper with a charge pitch width (the width of the positively charged area and the negatively charged area).Type: GrantFiled: October 26, 2009Date of Patent: December 24, 2013Assignee: Ricoh Company, LimitedInventor: Hiroki Ichinose
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Patent number: 8606054Abstract: Disclosed herein is an optical frequency shifter (1) provided with: an electro-optical substrate (3) having a main surface (3a); an optical waveguide structure (2) formed in the substrate (3) and having two waveguide portions (7), which are spaced apart by a distance (S) such as to ensure mutual optical coupling therebetween; and an electrode structure (10) arranged above the main surface (3a) of the substrate (3) and having at least a first electrode (11). The substrate (3) has a Z-cut crystalline structure with Z crystal axis orthogonal to the main surface (3a) and comprises two oppositely poled portions (20, 21) having opposite orientations of the Z crystal axis; the two waveguide portions (7) are arranged underneath the first electrode (11), each in a respective one of the two oppositely poled portions (20, 21).Type: GrantFiled: August 14, 2007Date of Patent: December 10, 2013Assignee: Selex Sistemi Integrati S.p.A.Inventors: Massimiliano Dispenza, Anna Maria Fiorello, Mauro Varasi