Patents Represented by Attorney McKenna Long & Aldridge LLP
  • Patent number: 8340122
    Abstract: A reference signal transmission method in a downlink MIMO system is disclosed. The downlink MIMO system supports a first UE supporting N transmission antennas among a total of M transmission antennas (where M>N) and a second UE supporting the M transmission antennas. The method includes transmitting, by a base station (BS), subframe-associated information which designates a first subframe in which data for the first UE and the second UE is transmitted and a second subframe in which data only for the second UE can be transmitted within a radio frame having a plurality of subframes, and transmitting the first subframe and the second subframe. Reference signals corresponding to antenna ports ‘0’ to ‘N?1’ of the N antennas are mapped to the first subframe, and reference signals corresponding to antenna ports ‘0’ to ‘M?1’ of the M antennas are mapped to the second subframe.
    Type: Grant
    Filed: July 22, 2009
    Date of Patent: December 25, 2012
    Assignee: LG Electronics Inc.
    Inventors: Jung Hoon Lee, Dong Youn Seo, Ki Jun Kim, Joon Kui Ahn
  • Patent number: 8340133
    Abstract: A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change.
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: December 25, 2012
    Assignee: LG Electronics Inc.
    Inventors: Jin Pil Kim, Young In Kim, Ho Taek Hong, In Hwan Choi, Kook Yeon Kwak, Hyoung Gon Lee, Byoung Gill Kim, Jin Woo Kim, Jong Moon Kim, Won Gyu Song
  • Patent number: 8338223
    Abstract: The present invention provides a fabrication method for an organic electronic device comprising a step of stacking sequentially a first electrode made of a metal, one or more organic material layers, and a second electrode on a substrate, wherein the method comprises the steps of: 1) forming a layer on the first electrode using a metal having a higher oxidation rate than the first electrode before forming the organic material layer, 2) treating the layer formed using a metal having a higher oxidation rate than the first electrode with oxygen plasma to form a metal oxide layer, and 3) treating the metal oxide layer with inert gas plasma to remove a native oxide layer on the first electrode, and an organic electronic device fabricated by the same method.
    Type: Grant
    Filed: May 10, 2007
    Date of Patent: December 25, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Jung-Hyoung Lee, Jung-Bum Kim
  • Patent number: 8340671
    Abstract: A method and an apparatus of performing a cell reselection procedure in a wireless communication system are provided. The method includes starting a first reselection timer if a signal property value of a first neighbor cell with a higher priority than a serving cell is increased to above a threshold, starting a first delay timer if a second reselection timer that is a reselection timer of a second neighbor cell with a higher priority than the first neighbor cell is running at the expiry of the first reselection timer, reselecting the second neighbor cell as a suitable cell if the second reselection timer expires before the expiry of the first delay timer, and reselecting the first neighbor cell as the suitable cell if the first delay timer expires before the expiry of the second reselection timer.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: December 25, 2012
    Assignee: LG Electronics Inc.
    Inventors: Ji Woong Lee, Chul Hoi Koo, Yung-Mi Kim, Jin Sook Ryu, Hyounhee Koo
  • Patent number: 8338881
    Abstract: A flash memory device includes a source region formed in an active region of a semiconductor substrate; a recessed region formed in the active region on either side of the source region, the recessed region including a recess surface having sidewalls; floating gates formed at the sidewalls of the recess surface by interposing a tunnel insulating film; a source line formed on the source region across the active region; and control gate electrodes formed at sidewalls of the source line across a portion of the active region where the floating gates are formed. The floating gates and the control gate electrodes are formed by anisotropically etching a conformal conductive film to have a spacer structure. Cell transistor size can be reduced by forming a deposition gate structure at both sides of the source line, and short channel effects can be minimized by forming the channel between the sidewalls of a recess surface.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: December 25, 2012
    Assignee: Dongbu Electronics, Co. Ltd.
    Inventor: Sang Bum Lee
  • Patent number: 8339567
    Abstract: The present invention relates to a radial-shaped liquid crystal compound, and an optical film and a liquid crystal display device comprising the same. Particularly the present invention provides a compound represented by Chemical Formula 1 comprising a radial-shaped core of tetraphenyl ethylene in which four phenyl groups are bonded to an ethylene group, and makes it possible to provide an optical film which can minimize the change of color according to viewing angle and has an improved contrast ratio and high refractive anisotropy, and a liquid crystal display device comprising the same, by using the compound.
    Type: Grant
    Filed: July 3, 2009
    Date of Patent: December 25, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Bum-Gyu Choi, Min-Jin Ko, Myung-Sun Moon, Jae-Ho Cheong, Dae-Ho Kang, Ki-Youl Lee, Yun-Bong Kim
  • Patent number: 8337961
    Abstract: The present invention relates to an acrylic pressure-sensitive adhesive composition which comprises a (meth)acrylic copolymer comprising an alkyl(meth)acrylic acid ester monomer, in which alkyl has 2 to 14 carbon atoms, and a (meth)acrylic acid ester monomer containing a copolymerizable photo-initiator group, wherein it has a gel fraction of 10 to 55% and a swelling ratio of 30 to 110, and a sol (uncross-linked polymer) eluted in final pressure-sensitive adhesive with a solvent (ethyl acetate) has a weight average molecular weight of 600,000 or more; and a polarizing plate and a liquid crystal display device, comprising the same. The polarizing plate according to the present invention has an excellent adhesion durability under a high temperature or a high temperature and humidity condition, has an excellent low light leakage property by effectively providing stress release property, and may greatly improve productivity for polarizing plates, by using photo-curing.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: December 25, 2012
    Assignee: LG Chem, Ltd.
    Inventors: No Ma Kim, Jeong Min Ha, Min Ki Lee, Suk Ky Chang
  • Patent number: 8338559
    Abstract: The present invention relates to a fluorene-based resin polymer having a repeating unit of Formula 1 and a method for preparing the same. The fluorene-based resin polymer has a high molecular weight and low acid value, and has an excellent developing property, adhesive property, and stability.
    Type: Grant
    Filed: January 21, 2008
    Date of Patent: December 25, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Yoon-Hee Heo, Kyung-Soo Choi, Han-Soo Kim, Min-Young Lim, Ji-Heum Yoo
  • Patent number: 8338059
    Abstract: The present invention provides a membrane-electrode assembly comprising: electrodes consisting of a anode comprising a gas diffusion layer and a catalyst material-containing active layer, and an cathode comprising a diffusion layer and a catalyst material-containing active layer; and an electrolyte membrane interposed between the anode and the cathode and comprising a catalyst material-containing active layer at one or both sides, the electrodes being hot-pressed, to the electrolyte membrane, wherein in coating the active layer on the gas diffusion layer, the viscosity of the active layer is in a range of 100 to 10,000 cPs, as well as a production method thereof. The inventive membrane-electrode assembly has a low interfacial resistance between the membrane and the electrodes, as well as high catalyst availability and excellent power density, and can be mass-produced.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: December 25, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Sang Hyun Lee, Hyuk Nyun Kim, Go Young Moon, Ha Chull Chung, Kyoung Il Park, Seong Min Song
  • Patent number: 8339552
    Abstract: An array substrate for a fringe field switching mode liquid crystal display device includes a substrate including a plurality of pixel regions each having a first domain, a second domain and a domain boundary area between the first and second domains; gate and data lines on the substrate and crossing each other to define the pixel region; a thin film transistor in each pixel region and connected to the gate and data lines; a pixel electrode in each pixel region and connected to the thin film transistor; and a common electrode overlapping the pixel electrode with an insulating layer interposed between the common and pixel electrode, wherein a plurality of openings are formed through the common electrode or the pixel electrode, and each opening has a first angle in the first and second domains with respect to a rubbing direction and a second angle larger than the first angle in the domain boundary area with respect to the rubbing direction.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: December 25, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Sanghun Han, Kyung-Ha Hee, In-Cheol Park
  • Patent number: 8339565
    Abstract: A mother substrate for a liquid crystal display comprises a plurality of active matrix arrays, test lines connected to the active matrix arrays, test pads connected to the test lines, and connection lines connecting test lines to each other.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: December 25, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Ilman Choi, Yongmin Kim
  • Patent number: 8338823
    Abstract: There is provided a polarizer for organic light emitting diodes (OLED) having improved brightness. The polarizer, which comprises a linear polarizer and a ¼ retardation plate, comprises a reflective polarizer film disposed between the linear polarizer and the ¼ retardation plate and transmitting a polarized light horizontal to the transmission axis of the linear polarizer while reflecting a polarized light vertical to the transmission axis of the linear polarizer. The polarizer may be useful to highly improve the brightness of the OLED device when the polarizer is used in the OLED device.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: December 25, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Sin-Young Kim, Hyuk Yoon, Moon-Soo Park, Belyaev Sergey
  • Patent number: 8336227
    Abstract: A drum rotatably disposed within a cabinet, a door coupled to a front of the cabinet, a front supporter to support a side of the drum, and a fragrance storage and supply assembly disposed on the front supporter and comprising a receiving part that is rotatably installed within the cabinet. A cabinet defining an outer appearance of the laundry dryer, a drum rotatably installed in the cabinet, a door to open and close a laundry passage formed by an opening in the cabinet that is configured for passage of laundry into and out of the drum, a fragrance storage and supply assembly comprising a receiving assembly to receive liquid fragrance, a storage chamber, remote from the receiving part, to store the liquid fragrance, a mount fixed to the cabinet, a hinge, rotatably joining the mount and the receiving part, wherein the receiving part rotates about the hinge from a space within an interior of the laundry dryer to a space exterior to the laundry dryer.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: December 25, 2012
    Assignee: LG Electronics Inc.
    Inventors: Sang-Hun Bae, Min-Ji Kim, Ye-Ji Um, Myung-Shik Kim, Young-Soo Ha
  • Patent number: 8339541
    Abstract: A backlight unit for a liquid crystal display device includes a plurality of white LEDs on a PCB, along a length direction of the PCB, and emitting white lights, the plurality of white LEDs including first and second LEDs alternately arranged; and a plurality of optical sheets on a path of the white lights from the plurality of white LEDs to a liquid crystal panel, wherein the white light from the first LED and the white light from the second LED are substantially complementary in color to each other with respect to a target white light.
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: December 25, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Koo-Hwa Lee, Kyeong-Kun Jang, Pu-Jin Kim, Kee-Tae Yoo
  • Patent number: 8334896
    Abstract: A stereoscopic image display device and a method of driving the same are disclosed. The stereoscopic image display device includes a display device, polarization glasses, a polarization switching element that includes a plurality of scan electrode lines and switches a polarization characteristic of light travelling to the polarization glasses according to a voltage supplied to the scan electrode lines, a driver supplying a first voltage synchronized with a right eye image displayed on the display device and a second voltage synchronized with a left eye image displayed on the display device to the scan electrode lines, and a controller controlling the driver so that a voltage of the scan electrode lines varies from the first voltage to the second voltage along a line of the display device in which the right eye image and the left eye image change.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: December 18, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Juun Park, Seungchul Lee, Sungmin Jung
  • Patent number: 8334962
    Abstract: A liquid crystal display device comprises: a first substrate and a second substrate facing and spaced apart from each other, the first substrate and the second substrate including an active area, a signal input area and a pad area, the signal input area and the pad area being disposed at a periphery of the active area; a gate line and a data line on the first substrate in the active area, the gate line and the data line crossing each other; first connection lines and second connection lines in the signal input area, the first connection lines extending to the pad area and crossing the second connection lines; a gate connection pattern contacting the first connection lines and the second connection lines; a common electrode on the second substrate; a shortage-preventing pattern on the common electrode and corresponding to the gate connection pattern; a seal pattern surrounding the active area, the seal pattern including a conductive ball; and a liquid crystal layer between the first and second substrates in th
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: December 18, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Byung-Hoon Chang, Min-Jung Kim
  • Patent number: 8335181
    Abstract: The present invention relates to a wireless communication system and UE providing wireless communication services, and a method of transmitting and receiving data between a terminal and a base station in an evolved Universal Mobile Telecommunications System (UMTS) that has evolved from a Universal Mobile Telecommunications System (UMTS), a Long Term Evolution (LTE) system, or a LTE-A (LTE-Advanced) system, and more particularly, to a method of releasing an access restriction at high interference cell, such that an effect of the interference can be minimized.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: December 18, 2012
    Assignee: LG Electronics Inc.
    Inventors: Sung-Hoon Jung, Sung-Duck Chun, Seung-June Yi, Young-Dae Lee, Sung-Jun Park
  • Patent number: 8334832
    Abstract: A driving method of an LCD device driving a liquid crystal display device including the steps of deriving a frame detection signal from a data enable signal by detecting a blank interval between frames deriving a start signal from the frame detection signal deriving a first gate clock signal from the start signal deriving a second gate signal from the first gate clock signal wherein a rising time of the first gate clock signal is in a range between a falling time of the start signal and a rising time of the second gate clock signal.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: December 18, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Sang Hoon Lee, Jae Won Hyun, Jong Woo Kim
  • Patent number: 8335194
    Abstract: A method of transmitting data in a multiple antenna system includes transmitting a precoding matrix index (PMI) of a first user through a control channel for the first user, and transmitting the PMI of the first user and a PMI of a second user through a data channel for the first user. Effective data decoding is possible regardless of whether radio resources to be allocated to multiple users are partially or entirely allocated to the users.
    Type: Grant
    Filed: August 20, 2008
    Date of Patent: December 18, 2012
    Assignee: LG Electronics Inc.
    Inventors: Hyun Soo Ko, Bin Chul Ihm, Jin Young Chun, Moon Il Lee
  • Patent number: 8329123
    Abstract: The present invention relates to a method of preparing a cerium oxide powder for a CMP slurry and a method of preparing a CMP slurry using the same, and more particularly, to a method of preparing a cerium oxide powder for a CMP slurry and a method of preparing a CMP slurry using the same in which the specific surface area of the powder is increased by preparing a cerium precursor, and then decomposing and calcinating the prepared cerium precursor. The pore distribution is controlled to increase the chemical contact area between a polished film and a polishing material, thereby reducing polishing time while the physical strength of powder is decreased, which remarkably reduces scratches on a polished film.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: December 11, 2012
    Assignee: LG Chem. Ltd.
    Inventors: Myoung-hwan Oh, Jun-seok Nho, Jang-yul Kim, Jong-pil Kim, Seung-beom Cho, Min-Jin Ko