Search Patents
  • Method and apparatus for reporting channel state information in wireless communication system
    Patent number: 9813133
    Abstract: The present invention relates to a wireless communication system and, more specifically, to a method and apparatus for reporting channel state information (CSI). According to one embodiment of the present invention, the method by which a terminal of the wireless communication system reports the CSI comprises: a step of receiving a reference signal from a base station; and reporting the CSI generated using the reference signal to the base station. The CSI can include a report type indicator (RTI) for indicating whether a second domain pre-coding matrix indicator (PMI) indicating a second pre-coding matrix for a second domain is reported in a two-dimensional antenna structure defined by a first domain and the second domain is reported.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: November 7, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyunsoo Ko, Jiwon Kang, Jaehoon Chung
  • DTV receiver and method of processing broadcast signal in DTV receiver
    Patent number: 7995669
    Abstract: A DTV receiver includes a tuner tuning to a channel to receive a broadcast signal, and a demodulator demodulating the broadcast signal. The receiver further includes a first decoder which decodes main and enhanced data included in the demodulated signal by calculating soft decision values for the enhanced data and hard decision values for the main data. The receiver further includes a second decoder for decoding the main and enhanced data for first forward error correction, and a third decoder for decoding the FEC-decoded enhanced data for second forward error correction.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: August 9, 2011
    Assignee: LG Electronics Inc.
    Inventors: In Hwan Choi, Kook Yeon Kwak, Byoung Gill Kim, Woo Chan Kim, Jae Hyung Kim, Hyoung Gon Lee, Jong Moon Kim
  • Slurry composition for CMP, and polishing method
    Patent number: 8822339
    Abstract: The present invention relates to a CMP slurry composition comprising an abrasive particle; a dispersant; an ionic polymer additive; and a non-ionic polymer additive including a polyolefin-polyethylene glycol copolymer including at least two polyethylene glycol repeat unit as a backbone and at least a polyethylene glycol repeating unit as a side chain, and a polishing method with using the slurry composition. The CMP slurry composition shows a low polishing rate to a single-crystalline silicon layer or a polysilicon layer and a high polishing rate to a silicon oxide layer, resulting in having an excellent polishing selectivity.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: September 2, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Dong-Mok Shin, Eun-Mi Choi, Seung-Beom Cho
  • Apparatus and method for supporting changeable communication speed in wireless power transmission system
    Patent number: 11637648
    Abstract: The present disclosure relates to an apparatus and a method for supporting an improved communication speed in a wireless power transmission system. In such present specification, provided is the method comprising the steps of: transmitting at least one data packet to a wireless power reception apparatus; receiving, from the wireless power reception apparatus, a first request packet requesting a change in a communication speed of the wireless power transmission apparatus; and changing the communication speed of the wireless power transmission apparatus on the basis of the first request packet, and transmitting, at the changed communication speed, a first response packet in response to the first request packet to the wireless power reception apparatus.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: April 25, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaeyeol Kim, Hyoungseok Kim, Yongcheol Park, Dohyeon Son, Jinho Youn, Seonghun Lee
  • Method and apparatus for transmitting signal via relay backhaul link
    Patent number: 9839034
    Abstract: A method and a base station (BS) for transmitting a signal, and method and a relay for receiving a signal in a wireless communication system are discussed. The method for transmitting a signal according to an embodiment includes mapping a reference signal to a subframe comprising a first slot and a second slot. Each of the first and second slots includes a plurality of resource elements over which the reference signal is allowed to be mapped. When a last orthogonal frequency division multiplexing (OFDM) symbol of the subframe is not available for a BS-to-relay transmission, the reference signal is not mapped to the second slot and a data signal is mapped to the resource elements of a penultimate OFDM symbol of the second slot. The method further includes transmitting the reference signal to a relay.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: December 5, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Han Byul Seo, Hak Seong Kim, Dae Won Lee
  • RECORDING METHOD FOR OPTICAL DISC AND OPTICAL DISC DEVICE
    Publication number: 20110164481
    Abstract: A recording method for an optical disc and an optical disc device are provided. In one embodiment of the present invention, delay at upward transition of laser diode output driven by a recording pulse can be compared with a predetermined reference value; when the delay is larger than the predetermined reference value, the delay at the upward transition can be compensated by adjusting the recording pulse through a pulse of a reserved output channel; and data can be recorded in an optical disc by driving the laser diode by using the adjusted recording pulse. The amount of delay at the upward transition can be detected through a front photo detector of the laser diode; and the comparison and the compensation can be carried out when fast recording more than specified performance on the optical disc is requested.
    Type: Application
    Filed: January 7, 2011
    Publication date: July 7, 2011
    Applicant: HITACHI-LG DATA STORAGE KOREA, INC.
    Inventor: Jaeyong RYU
  • ARTIFICIAL INTELLIGENCE ROBOT FOR DETERMINING CLEANING ROUTE USING SENSOR DATA AND METHOD FOR THE SAME
    Publication number: 20190370691
    Abstract: An embodiment of the present invention provides an artificial intelligence (AI) robot for determining a cleaning route using sensor data, comprising: a sensor unit including at least one of an image sensor, a depth sensor or a shock sensor; a cleaning unit including at least one of a suction unit or a mopping unit; a driving unit configured to drive the AI robot; and a processor configured to: acquire the sensor data from the sensor unit, determine a complex area using the acquired sensor data, create a virtual wall for blocking an entry into the determined complex area, determine the cleaning route in consideration of the created virtual wall, and control the cleaning unit and the driving unit based on the determined cleaning route.
    Type: Application
    Filed: August 13, 2019
    Publication date: December 5, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Seungah CHAE, Kokeun KIM, Suyeon KIM, Kamin LEE
  • LIQUID-CRYSTAL DISPLAY DEVICE
    Publication number: 20160103353
    Abstract: Discussed herein is a liquid-crystal display (LCD) device. In one example, the LCD device includes a substrate having a plurality of sub-pixel areas and a black matrix area. The LCD device further includes a black matrix, color filters to cover the side portions of black matrix, and a planarization layer. A plurality of column spacers are disposed on the planarization layer at locations corresponding to locations where the black matrix are disposed. The black matrix is in direct contact with the planarization layer at locations where the plurality of column spacers is disposed. Accordingly, the color filters do not overlap one another at locations where the column spacers are formed. As a result, a difference between heights of the plurality of column spacers can be maintained within a target range, and the durability of the LCD device can be improved.
    Type: Application
    Filed: October 13, 2015
    Publication date: April 14, 2016
    Applicant: LG DISPLAY CO., LTD.
    Inventor: HyungSeok KIM
  • Method for mitigating inter-cell interference in wireless communication system and device therefor
    Patent number: 9433005
    Abstract: The present application provides a method for allowing a cell to remove inter-cell interference in a wireless communication system. Specifically, the method includes receiving, from neighboring cells, time resource interference information on a first subframe type and a second subframe type; receiving, from said neighboring cells, first frequency resource interference information corresponding to said first subframe type and second frequency resource interference information corresponding to said second subframe type; and performing downlink communication and uplink communication by using said first frequency resource interference information, said second frequency resource interference information, and said time resource interference information.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: August 30, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Seungmin Lee, Hanbyul Seo
  • Optical image stabilization (OIS) unit of a camera module
    Patent number: 11726344
    Abstract: An Optical Image Stabilization (OIS) unit including a base; a holder module comprising an outer blade spaced apart from the base, a bobbin disposed in the outer blade, and a spring member connecting the outer blade and the bobbin; a first coil disposed on the bobbin; a magnet configured to interact with the first coil; a second coil configured to interact with the magnet; a wire coupled with the holder module; a first connection unit fixing a first end portion of the wire; and a buffer portion disposed on a part of the wire and comprising an adhesive material. Further, in a direction perpendicular to the wire, a maximum width of the buffer portion is greater than a maximum width of the first connection unit.
    Type: Grant
    Filed: February 2, 2022
    Date of Patent: August 15, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Sangyun Oh
  • Structure of Discharging Refrigerant For Linear Compressor
    Publication number: 20090081054
    Abstract: The present invention discloses a linear compressor in which a piston is linearly reciprocated inside a cylinder, for sicking a refrigerant into a compression space between the piston and the cylinder, and compressing and discharging the refrigerant, and especially, a structure of discharging the refrigerant for the linear compressor which can reduce a pulsation of a high pressure discharged refrigerant, by making the refrigerant compressed in the compression space flow from a sub-discharge space with a relatively small volume to a sub-discharge space with a relatively large volume in a discharge chamber. As a result, the structure of discharging the refrigerant for the linear compressor can efficiently reduce noise and vibration.
    Type: Application
    Filed: January 16, 2007
    Publication date: March 26, 2009
    Applicant: LG ELECTRONICS INC
    Inventors: Kyoung-Seok Kang, Yangjun Kang, Jong-Koo Lee, Jin-taek Oh, Min-Woo Lee, Kwang-Wook Kim, Gye-Young Song
  • AIR BLOWER FOR AN AIR CONDITIONER
    Publication number: 20120141262
    Abstract: Provided is an air blower for an air conditioner. The air blower for the air conditioner includes a centrifugal fan and a fan housing. The fan housing covers the centrifugal fan, and forms a scroll-type flow path having a varying cross-sectional area and guiding air forcibly blown by the centrifugal fan to an outlet. Here, a bottom surface of the scroll-type flow path inclines and is thinnest near a region where the scroll-type flow path ends. The thickness of the bottom surface progressively increases along a straight line running from a region where the bottom surface is thinnest to an opposite outer side of the scroll-type flow path through a center of the centrifugal fan.
    Type: Application
    Filed: December 1, 2011
    Publication date: June 7, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Jung Hoon KIM, Dong Soo MOON, Jungwoo LEE, Mi Jin Jung
  • Laundry processing apparatus
    Patent number: 11242631
    Abstract: A laundry processing apparatus includes: an outer tub for accommodating washing water therein; an inner tub disposed inside the outer tub and containing laundry therein; a pulsator provided in a lower portion of the inner tub; a blade provided below the pulsator; a driving motor disposed outside the outer tub for rotating a washing shaft; a pulsator connecting shaft penetrating a lower side surface of the outer tub for rotating the pulsator; a blade connecting shaft which also penetrates a lower side surface of the outer tub for rotating the blade; and a gear module disposed outside the outer tub for transmitting a rotational force of the washing shaft to the pulsator connecting shaft and the blade connecting shaft respectively.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: February 8, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Insik Yu, Dongcheol Kim, Youngjong Kim
  • METHOD AND DEVICE FOR ALLOCATING RESOURCE UNIT ON BASIS OF CONTAINER IN WIRELESS LAN
    Publication number: 20190159212
    Abstract: Disclosed are a method and a device for allocating a resource unit on the basis of a container in a wireless LAN. The method for allocating a resource unit in a wireless LAN comprises the steps of: generating, by an AP, a PPDU to be transmitted to a plurality of STAs; and transmitting, by the AP, the PPDU to the plurality of STAs through at least one container allocated on the entire frequency band, wherein the PPDU includes MU/SU transmission indication information and resource allocation information for each container, the MU/SU transmission indication information includes information on whether an SU-based transmission or an MU-based transmission is carried out on the entire bandwidth, and the resource allocation information for each container can include information on the number of STAs allocated to each of the at least one container.
    Type: Application
    Filed: January 25, 2019
    Publication date: May 23, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Jinsoo CHOI, Hangyu CHO, Wookbong LEE, Jeongki KIM
  • Wireless charging apparatus for preventing magnetic field cancellation between adjacent coils
    Patent number: 11381117
    Abstract: Disclosed herein is a wireless charging apparatus for preventing cancelation of magnetic fields generated between a plurality of adjacent transmission coils by placing a repeater on the plurality of transmission coils, the wireless charging apparatus including a plurality of transmission coils spaced the same distance apart from a reference point, and a repeater placed on the plurality of transmission coils to be overlapped with each of the plurality of transmission coils with respect to the reference point that is a center, wherein a coupling coefficient between each of the plurality of transmission coils and the repeater is higher than a coupling coefficient between the plurality of transmission coils.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: July 5, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyengcheul Choi, Seong Hun Lee, Bongsik Kwak, Hyung Geol Kwak
  • Device detection in a mobile communication terminal
    Patent number: 7356359
    Abstract: A method for determining connection of an external device to a mobile communication terminal is provided. The method comprises detecting connection of an external device to a mobile communication terminal based on a signal generated by a first operation module of the mobile communication terminal; activating a connection interrupt routine, in response to the signal generated by the first operation module; controlling an active status of a second operation module by way of the first operation module to switch system operations from a first clock speed to a second clock speed; and establishing a signal transfer path between the mobile communication terminal and the external device.
    Type: Grant
    Filed: August 18, 2005
    Date of Patent: April 8, 2008
    Assignee: LG Electronics Inc.
    Inventor: Hyung-Suk Oh
  • Method and apparatus for transmitting pilot in wireless communication system
    Patent number: 8351320
    Abstract: A method and apparatus for transmitting a pilot in a wireless communication system is provided. A pilot generating unit generates the pilot. A transmission circuitry transmits the pilot and a radio signal. A a processor assigns a first index and a second index to each of a plurality of pilot patterns, determines a selection pilot pattern having a first selection index and a second selection index calculated based on a cell ID, which are respectively identical with the first index and the second index, from among the plurality of pilot patterns, and maps the generated pilot to a resource element based on the selection pilot pattern.
    Type: Grant
    Filed: June 22, 2010
    Date of Patent: January 8, 2013
    Assignee: LG Electronics Inc.
    Inventors: Han Gyu Cho, Wook Bong Lee, Jin Soo Choi
  • Method and apparatus for enhancing the speed of a synchronous bus
    Publication number: 20040243876
    Abstract: An apparatus for enhancing the speed of a synchronous bus includes a two register based FIFO with software control bits and a second clock signal. According to the invention, the second clock signal rd_clk is supplied by the same PLL that provides the main clock signal lg_clk. According to the invention, data is taken from the two registers in alternative clock cycles so that each of the register holds valid data for two clock cycles. A first software data bit is used to determine which of the two registers is unloaded first. Using the method and structure of the invention, the window for transferring valid data is increased and therefore the system employing the method and apparatus of the invention is more skew tolerant.
    Type: Application
    Filed: May 30, 2003
    Publication date: December 2, 2004
    Applicant: Sun Microsystems, Inc.
    Inventors: Sharath Raghava, Kevin Normoyle, Christopher Furman
  • METHOD AND DEVICE FOR TRANSMITTING UPLINK CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20180132230
    Abstract: Disclosed are a method and a device for transmitting uplink control information (UCI) by a terminal in a wireless communication system. The UCI transmission method comprises the steps of: generating an encoding information bit stream by performing channel coding for a UCI bit stream; generating complex modulation symbols by performing modulation for the generated encoding information bit stream; spreading the complex modulation symbols in block-wise on the basis of an orthogonal sequence; and transmitting the spread complex modulation symbols to a base station. The encoding information bit stream is generated by a channel coding for circularly repeating the UCI bit stream.
    Type: Application
    Filed: January 4, 2018
    Publication date: May 10, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung Hee HAN, Ji Woong JANG, Jae Hoon CHUNG, Han Gyu CHO, Yeong Hyeon KWON, Seung Hyun KANG
  • SOLAR CELL MODULE
    Publication number: 20160149064
    Abstract: A solar cell module is disclosed. The solar cell module includes a plurality of solar cells each including first electrodes collecting carriers of a first conductive type and second electrodes collecting carriers of a second conductive type opposite the first conductive type, the plurality of solar cells being positioned adjacent to one another, and a plurality of wiring members configured to electrically connect the first electrodes to the second electrodes of adjacent solar cells. The plurality of wiring members are positioned in parallel with one another. The plurality of wiring members include a first wiring member disposed in a corner area of one solar cell having a corner with a curved edge and a second wiring member disposed in a non-corner area of the one solar cell except the corner area.
    Type: Application
    Filed: November 25, 2015
    Publication date: May 26, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Donghae OH, Jinsung KIM, Hyunho LEE, Haejong CHO
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