Patents Examined by K Cyrus Kianni
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Patent number: 8233757Abstract: An optical chassis includes a mount substrate an optoelectronic device on the mount substrate, a spacer substrate, and a sealer substrate. The mount substrate, the spacer substrate and the sealer substrate are vertically stacked and hermetically sealing the optoelectronic device. An external electrical contact for the optoelectronic device is provided outside the sealing. At least part of the optical chassis may be made on a wafer level. A passive optical element may be provided on the sealer substrate or on another substrate stacked and secured thereto.Type: GrantFiled: July 2, 2010Date of Patent: July 31, 2012Assignee: DigitalOptics Corporation EastInventors: Alan D Kathman, James E Morris, John Barnett Hammond, Michael R. Feldman
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Patent number: 8223282Abstract: A display apparatus including a plurality of gate lines, a data line intersecting the plurality of gate lines; a first pixel unit connected with a n-th gate line of the plurality of gate lines and the data line. A second pixel unit connected with a (n+1)-th gate line of the plurality of gate lines; and a coupling capacitor disposed between the first pixel unit and the second pixel unit, wherein the first pixel unit comprises a first liquid crystal capacitor and a first thin film transistor (TFT), the second pixel unit comprises a second liquid crystal capacitor and a second thin film transistor (TFT), and a source electrode and a drain electrode of the second TFT are connected with both electrodes of the coupling capacitor, respectively.Type: GrantFiled: September 23, 2011Date of Patent: July 17, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Hye-ran You, Yoon-sung Um, Jae-jin Lyu, Seung-beom Park, Jin-won Park, Hoon Kim
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Patent number: 8218916Abstract: A sensing system including a sensor having an enclosure that defines a chamber, a fiber optic segment extending from outside the enclosure into the chamber, and a sequence of optical processing elements within the chamber. The elements include a fiber Bragg grating, a polarizer, a side hole fiber, and a mirror. A light source is arranged to direct light to the sensor(s). A spectral analyzer is arranged to detect light reflected back from the sensor(s). The fiber Bragg grating substantially reflects a first spectral envelope while transmitting the remainder of the optical spectrum to the polarizer and side hole fiber. The polarizer, side hole fiber, and mirror cooperate to return an optical signal within a second spectral envelope. The characteristic wavelength of a peak in the first spectral envelope is highly sensitive to temperature and relatively weakly sensitive to pressure.Type: GrantFiled: February 3, 2010Date of Patent: July 10, 2012Assignee: Schlumberger Technology CorporationInventor: Yuehua Chen
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Patent number: 8208090Abstract: A liquid crystal display device and a method of assembling the same are provided. The liquid crystal display device includes a light guide film guiding light, a light source disposed on at least one side of the light guide film, a bottom receiving container including a bottom plate to receive the light source and the light guide film, bottom receiving container sidewalls formed along the boundary of the bottom plate to define a receiving space together with the bottom plate, and an intermediate receiving container including an intermediate receiving container frame formed along the bottom receiving container sidewalls and positioned within the receiving space, and intermediate receiving container fitting portions extending from the intermediate receiving container frame toward the outside of the receiving space and fittingly coupled to the bottom receiving container.Type: GrantFiled: June 12, 2009Date of Patent: June 26, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Sang-Duk Lee
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Patent number: 8194198Abstract: A liquid crystal panel of the present disclosure includes a first common electrode defining a plurality of first common electrode portions, a plurality of second common electrode portions connected to the first common electrode, and a plurality of pixel electrodes. Each pixel electrode overlaps one of the first common electrode portions and a corresponding one of the second common electrode portions, thereby forming storage capacitors therebetween. Each second common electrode portion defines a first notch adjacent to the pixel electrode. There is no overlap between the pixel electrode and the second common electrode portion at the first notch.Type: GrantFiled: September 5, 2008Date of Patent: June 5, 2012Assignee: Chimei Innolux CorporationInventors: Hong-Gi Wu, Chien-Ting Lai
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Patent number: 8184929Abstract: An optical transmitter comprises a monolithic transmitter photonic integrated circuit (TxPIC) chip that includes an array of modulated sources formed on the PIC chip and having different operating wavelengths approximating a standardized wavelength grid and providing signal outputs of different wavelengths. A wavelength selective combiner is formed on the PIC chip having a wavelength grid passband response approximating the wavelength grid of the standardized wavelength grid. The signal outputs of the modulated sources optically coupled to inputs of the wavelength selective combiner to produce a combined signal output from the combiner. A first wavelength tuning element coupled to each of the modulated sources and a second wavelength tuning element coupled to the wavelength selective combiner. A wavelength monitoring unit is coupled to the wavelength selective combiner to sample the combined signal output.Type: GrantFiled: December 29, 2008Date of Patent: May 22, 2012Assignee: Infinera CorporationInventors: Fred A. Kish, Jr., Charles H. Joyner, David F. Welch, Robert B. Taylor, Alan C. Nilsson
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Patent number: 8184257Abstract: Disclosed herein are a liquid crystal display (LCD) device and a method for manufacturing the same, capable of preventing problems (i.e., movement of balls, damage to the surfaces that face spacers upon application of predetermined pressure, and variation in cell gap) associated with the use of the ball spacers. The liquid crystal display device includes a first substrate and a second substrate facing each other, a spacer formed on the first substrate, wherein the spacer includes a plurality of balls and a solid to aggregate the balls together and adhere the balls to the first substrate, a hard coating layer formed on the second substrate facing the spacer, and a liquid crystal layer filled between the first substrate and the second substrate.Type: GrantFiled: September 12, 2008Date of Patent: May 22, 2012Assignee: LG Display Co., Ltd.Inventors: Jun Beom Cho, Hyeon Jin Seo, Jeong Hoon Lee, Dhang Kwon, Hang Sup Cho, Ho Su Kim
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Patent number: 8184229Abstract: A liquid crystal display device includes a liquid crystal display panel and a backlight arranged on a back surface of the liquid crystal display panel, the backlight including a plurality of rod-shaped light sources, a frame which supports the rod-shaped light sources, and a heat radiation plate which is arranged on an inner surface of the frame. Through holes are formed in the frame, and heat radiation fins are formed on the heat radiation plate in a state that the heat radiation fins project toward a back surface of the liquid crystal display panel through the through holes formed in the frame. Due to such a constitution, it is possible to provide a liquid crystal display device which can enhance heat radiation efficiency.Type: GrantFiled: August 4, 2008Date of Patent: May 22, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Masafumi Nagaoka, Kazuyoshi Tanaka, Akio Tezuka, Takayuki Ota
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Patent number: 8179490Abstract: This invention in one aspect relates to a pixel structure. In one embodiment, the pixel structure includes a scan line formed on a substrate and a data line formed over the substrate defining a pixel area, a switch formed inside the pixel area on the substrate, a shielding electrode having a first portion and a second portion extending from the first portion, and formed over the scan line, the data line and the switch, where the first portion is overlapped with the switch and the second portion is overlapped with the data line, and a pixel electrode having a first portion and a second portion extending from the first portion, and formed over the shielding electrode in the pixel area, where the first portion is overlapped with the first portion of the shielding electrode so as to define a storage capacitor therebetween and the second portion has no overlapping with the second portion of the shielding electrode.Type: GrantFiled: June 12, 2009Date of Patent: May 15, 2012Assignee: AU Optronics CorporationInventors: Hsiang-Lin Lin, Ching-Huan Lin, Chih-Hung Shih, Wei-Ming Huang
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Patent number: 8179498Abstract: In an embodiment of the present invention, in a liquid crystal display device which controls a light luminance of each of lighting regions, each of lighting regions of a backlight has a smaller width in a horizontal direction than in a vertical direction. This makes it possible to cause a reduction in contrast due to spatial distribution of light luminances, which spatial distribution is generated due to cross talk between lighting regions, to be less perceivable to an observer positioned in an oblique viewing direction.Type: GrantFiled: July 2, 2008Date of Patent: May 15, 2012Assignee: Sharp Kabushiki KaishaInventor: Takeshi Masuda
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Patent number: 8172469Abstract: In one example embodiment, an optoelectronic module comprises a body, a signal ground, and an OSA. The body is connected to chassis ground and defines a cavity within which one or more components are disposed. The optical subassembly is disposed in the body cavity, has one or more components connected to signal ground, and comprises a header assembly, a housing, and one or more containment structures. The header assembly houses one or more components that generate EMI emissions and includes an optical aperture. The housing includes a port and a barrel. The port defines a fiber receptacle and the barrel defines a cavity that at least partially receives the header assembly. The containment structure(s) at least partially contain the EMI emissions within the OSA.Type: GrantFiled: November 22, 2010Date of Patent: May 8, 2012Assignee: Finisar CorporationInventors: Chris Togami, Gary Dean Sasser, Kai F Ng
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Patent number: 8175429Abstract: Various embodiments of the present invention are related to microresonator systems that can be used as a laser, a modulator, and a photodetector and to methods for fabricating the microresonator systems. In one embodiment, a microdisk comprises: a top layer; a bottom layer; an intermediate layer having at least one quantum well, the intermediate layer sandwiched between the top layer and the bottom layer; a peripheral annular region including at least a portion of the top, intermediate, and bottom layers; and a current isolation region configured to occupy at least a portion of a central region of the microdisk including at least a portion of the top, intermediate, and bottom layers and having relatively lower index of refraction than the peripheral annular region.Type: GrantFiled: June 5, 2009Date of Patent: May 8, 2012Assignee: Hewlett-Packard Development Company, L.P.Inventors: Michael Renne Ty Tan, Shih-Yuan Wang, Duncan Stewart, David A. Fattal
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Patent number: 8175437Abstract: Microstructured optical fiber for single-moded transmission of optical signals, the optical fiber including a core region and a cladding region, the cladding region including an annular void-containing region that contains non-periodically disposed voids. The optical fiber provides single mode transmission and low bend loss.Type: GrantFiled: January 16, 2009Date of Patent: May 8, 2012Assignee: Corning IncorporatedInventors: Scott Robertson Bickham, Dana Craig Bookbinder, Ming-Jun Li, Pushkar Tandon
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Patent number: 8165436Abstract: An optical grating comprising a grating layer and two surface layers, the layers being arranged with the grating layer between the surface layers. The grating layer comprises a set of multiple, discrete, elongated first grating regions that comprise a first dielectric material and are arranged with intervening elongated second grating regions. The bulk refractive index of the dielectric material of the first grating regions is larger than the bulk refractive index of the second grating regions. The first surface layer comprises a first impedance matching layer, and the second surface layer comprises either (i) a second impedance matching layer or (ii) a reflective layer. Each said impedance matching layer is arranged to reduce reflection of an optical signal transmitted through the corresponding surface of the grating layer, relative to reflection of the optical signal in the absence of said impedance matching layer.Type: GrantFiled: November 5, 2008Date of Patent: April 24, 2012Assignee: LightSmyth Technologies Inc.Inventors: Thomas W. Mossberg, Christoph M. Greiner, Dmitri Iazikov
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Patent number: 8165437Abstract: Provided are semiconductor integrated circuits including a grating coupler for optical communication and methods of forming the same. The semiconductor integrated circuit includes: a cladding layer disposed on a semiconductor substrate; a grating coupler including an optical waveguide on the cladding layer and a grating on the optical waveguide; and at least one reflector formed in the cladding layer below the grating.Type: GrantFiled: January 8, 2010Date of Patent: April 24, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Jung-Hyung Pyo, O-Kyun Kwon, Gyung-Ock Kim
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Patent number: 8150229Abstract: A cable management panel including a chassis and a drawer slidably mounted to the chassis. The panel includes a rear drawer latch assembly that automatically locks the drawer in the open position to prevent inadvertent closing movement of the drawer.Type: GrantFiled: July 9, 2009Date of Patent: April 3, 2012Assignee: ADC Telecommunications, Inc.Inventors: Dennis Krampotich, Ryan Kostecka
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Patent number: 8139187Abstract: A transflective type LCD device including a unit pixel region divided into reflective and transmitting parts includes first and second substrates facing each other, a pixel electrode in the pixel region of first substrate, a reflective sheet in the reflective part of first substrate, a common electrode on the second substrate, at least one first open pattern for forming multi-domains, and the first open pattern in at least one of the pixel and common electrodes, and a plurality of second open patterns for inducing a fringe field, and the second open patterns in the reflective part of at least one of the pixel and common electrodes.Type: GrantFiled: July 19, 2010Date of Patent: March 20, 2012Assignee: LG Display Co., Ltd.Inventors: Hyeon Ho Son, Ku Hyun Park
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Patent number: 8134663Abstract: To provide a liquid crystal panel capable of realizing excellent display performance using a circular polarizing plate therein, and a liquid crystal display device and a terminal device using the same, with respect to a semi-transmission type liquid crystal display device in a horizontal electric field mode (In-Plane Switching: IPS). A viewer-side circular polarizing plate and a backside circular polarizing plate are disposed outside of a viewer-side substrate and a backside substrate respectively, and a viewer-side compensation plate and a backside compensation plate are disposed between the respective polarizing plates and substrates to reduce a refractive index anisotropy of a liquid crystal layer.Type: GrantFiled: March 22, 2007Date of Patent: March 13, 2012Assignee: NLT Technologies, Ltd.Inventors: Shinichi Uehara, Jin Matsushima, Ken Sumiyoshi
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Patent number: 8132969Abstract: A fiber optic connector assembly and method for venting gas inside in a fiber optic connector sub-assembly. The fiber optic connector assembly includes a connector sub-assembly including a ferrule and a ferrule holder having a passage extending therethrough. A stiffener tube having a tube body disposed about a portion of at least one optical fiber supports insertion of the optical fiber into the ferrule holder passage. The stiffener tube contains at least one opening in its tube body configured to vent gas trapped inside the stiffener tube during assembly. In this manner, the trapped gas does not form a gas pocket in the bonding agent, which could compromise bonding among the optical fiber, stiffener tube, and connector sub-assembly.Type: GrantFiled: May 3, 2010Date of Patent: March 13, 2012Assignee: Corning Cable Systems LLCInventors: Xin Liu, Darrin M. Miller, Joel C. Rosson
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Patent number: 8126302Abstract: Embodiments of the present invention provide a system and method for shaping an annular focal spot pattern to allow for more efficient optical coupling to a small gauge optical fiber. An embodiment of the present invention can include an illumination source operable to transmit an optical beam along an optical path, an optical fiber, and a correcting element positioned in the optical path between the illumination source and the optical fiber, the correcting element configured to reshape the optical beam to increase an amount of light received by the optical fiber.Type: GrantFiled: March 28, 2007Date of Patent: February 28, 2012Assignee: Novartis AGInventors: T. Scott Rowe, Alexander N. Artsyukhovich