Patents by Inventor Hyung Tae Kim

Hyung Tae Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9577619
    Abstract: Provided are an output buffer circuit having an amplifier offset compensation function and a source driving circuit including the output buffer circuit. The output buffer circuit may include a plurality of channel amplifiers, each of which is configured to adjust an amount of current flowing through transistors connected to at least one of a non-inverted input terminal and an inverted input terminal of a differential input unit to compensate an amplifier offset, and adjust buffer input voltage signals to generate output voltage signals.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: February 21, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyung-Tae Kim, Ji-Woon Jung, In-Suk Kim, Jong-Kon Bae, Jae-Hyuck Woo, Won-Sik Kang, Yang-Hyo Kim
  • Publication number: 20170019225
    Abstract: A method and a user equipment (UE) configured with one or more cells for feeding back channel information are discussed. The method according to an embodiment includes receiving information on a maximum number of ranks; transmitting first channel information generated based on rank information; and transmitting second channel information which is generated based on the same rank information as the rank information used for generating the first channel information. The maximum number of ranks is used to determine the rank information.
    Type: Application
    Filed: September 27, 2016
    Publication date: January 19, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyung Tae KIM, Han Byul SEO, Ki Jun KIM, Byoung Hoon KIM
  • Patent number: 9479299
    Abstract: A method for feeding back channel information, and a user equipment (UE) therefore are discussed. The method according to one embodiment includes, if one or more cells are configured, performing a first feedback process and a second feeding process. The first feedback process is configured to transmit first channel information including rank information. The second feedback process is configured to transmit second channel information generated based on the same rank information as the rank information of the first feedback process.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: October 25, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyung Tae Kim, Han Byul Seo, Ki Jun Kim, Byoung Hoon Kim
  • Patent number: 9392609
    Abstract: Disclosed are a method and apparatus for removing inter-heterogeneous cell interference. A terminal apparatus for removing inter-heterogeneous cell interference comprises: a receiver which receives, from a first base station which is a serving base station, a signal for instructing that a request for interference coordination information required for inter-heterogeneous cell interference coordination be made to a second base station which is heterogeneous to the first base station; a transmitter which transmits, to the second base station, a predetermined physical random access channel (PRACH) preamble which notifies said request through a PRACH; a receiver which receives the interference coordination information from the second base station; and a transmitter which transmits the received interference coordination information to the first base station.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: July 12, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyung Tae Kim, Han Byul Seo
  • Publication number: 20160172388
    Abstract: A method of fabrication an array substrate which includes foaming an oxide semiconductor layer on a substrate; forming a gate insulating layer corresponding to a central portion of the oxide semiconductor layer; forming a first reactive metallic pattern and second reactive metallic patterns on the gate insulating layer and portions of the oxide semiconductor layer exposed outside the gate insulating layer, respectively; forming a gate electrode on the first reactive metallic pattern; forming source and drain areas having conductive properties in the oxide semiconductor layer by performing heat treatment such that materials of the second reactive metallic patterns are diffused into the oxide semiconductor layer contacting the second reactive metallic patterns; forming an inter insulating layer on the gate electrode and having first contact holes that expose the second reactive metallic patterns; and forming source and drain electrodes on the inter insulating layer and contacting the second reactive metallic pa
    Type: Application
    Filed: February 10, 2016
    Publication date: June 16, 2016
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hee-Jung YANG, Hyung-Tae KIM, Jae-Young JEONG, Gyu-Won HAN, Dong-Sun KIM, Won-Joon HO
  • Patent number: 9356665
    Abstract: A method and mobile station are described for reporting channel quality information for multi-cell cooperation. The mobile station receives a channel quality request message for requesting channel quality information from a base station. The channel quality request message indicates that the mobile station is one of a plurality of candidate mobile stations to perform multi-cell cooperation. The mobile station reports the channel quality information to the base station. The channel quality information includes first channel quality information for the base station and second channel quality information for a neighboring base station.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: May 31, 2016
    Assignees: LG Electronics Inc., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Suck Chel Yang, Dong Ku Kim, Jang Hoon Yang, Hyukjin Chae, Hyung Tae Kim, Yo Han Kim
  • Patent number: 9293478
    Abstract: A method of fabrication an array substrate includes forming an oxide semiconductor layer on a substrate; sequentially forming a gate insulating layer and a gate electrode corresponding to a central portion of the oxide semiconductor layer; forming source and drain areas having conductive properties in the oxide semiconductor layer by performing hydrogen plasma treatment; forming barrier layers on the source and drain areas, the barrier layer having a first thickness; forming an inter insulating layer on the gate electrode and having first contact holes that expose the barrier layers; and forming source and drain electrodes on the inter insulating layer and contacting the barrier layers through the first contact holes, respectively.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: March 22, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hee-Jung Yang, Hyung-Tae Kim, Jae-Young Jeong, Gyu-Won Han, Dong-Sun Kim, Won-Joon Ho
  • Publication number: 20150360650
    Abstract: The present invention relates to a wiper blade assembly including: a primary lever; a secondary lever disposed to be adjacent to the primary lever; a secondary lever connecting structure coupled to the secondary lever; and a yoke member hinge-coupled to the secondary lever connecting structure, wherein the yoke member includes a claw portion, the claw portion being moved apart from the secondary lever and in the present invention, claw portions coupled to both ends of a contact member may be disposed in certain regions of yoke members and the yoke members may be moved apart from secondary levers, such that the claw portions may be moved apart from the secondary levers to allow for improvements in the property of following the curvature of glass, thereby wiping performance of a wiper.
    Type: Application
    Filed: June 12, 2015
    Publication date: December 17, 2015
    Inventors: Myoung Yeon KIM, Hyung Tae KIM
  • Patent number: 9215016
    Abstract: A method and apparatus of mitigating inter-cell interference in a wireless communication system are provided. A user equipment receives serving-cell data over a first data channel indicated by a first control channel for which decoding is successful by monitoring a plurality of candidate control channels in a search space of a serving cell. The user equipment receives interfering-cell data over a second data channel indicated by a second control channel for which decoding is successful by monitoring a plurality of candidate control channels in a search space of an interfering cell. The A user equipment cancels interference from the interfering cell by processing the serving-cell data and the interfering-cell data.
    Type: Grant
    Filed: June 9, 2010
    Date of Patent: December 15, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyung Tae Kim, Han Byul Seo, Ki Jun Kim
  • Patent number: 9209812
    Abstract: A voltage level conversion circuit includes a voltage switch circuit and a level shift circuit. The voltage switch circuit is configured to sequentially output an intermediate voltage and a conversion voltage in response to a switch signal. The level shift circuit is configured to latch a voltage level corresponding to an input signal using the intermediate voltage, and to convert the latched voltage level using the conversion voltage to generate an output signal.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: December 8, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyung-Tae Kim, Ji-Woon Jung
  • Patent number: 9160983
    Abstract: A method of controlling color lighting in a vision system is provided which is capable of rapidly searching for a voltage value which allows an optimal product image to be obtained in a vision system including a plurality of lightings. In accordance with an embodiment, a voltage value allowing an optimal product image to be obtained can rapidly searched for in a vision system including a plurality of lightings.
    Type: Grant
    Filed: August 6, 2013
    Date of Patent: October 13, 2015
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Hyung Tae Kim, Seung Taek Kim, Kyeong Yong Cho, Jong Seok Kim
  • Patent number: 9137820
    Abstract: A method for transmitting scheduling information in a mobile communication system and a femtocell base station apparatus using the same are provided. Scheduling information can be transmitted using a hierarchical scheduling scheme in which a femtocell base station is allocated resources from a macrocell base station and the femtocell base station then allocates resources to femto users within its own resource region.
    Type: Grant
    Filed: June 21, 2010
    Date of Patent: September 15, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Byoung Hoon Kim, Young Seob Choi, Seo Woo Jang, Han Byul Seo, Hyung Tae Kim, Jun Ho Jo
  • Publication number: 20150222252
    Abstract: Provided are an output buffer circuit having an amplifier offset compensation function and a source driving circuit including the output buffer circuit. The output butler circuit may include a plurality of channel amplifiers, each of which is configured to adjust an amount of current flowing through transistors connected to at least one of a non-inverted input terminal and an inverted input terminal of a differential input unit to compensate an amplifier offset, and adjust buffer input voltage signals to generate output voltage signals.
    Type: Application
    Filed: November 18, 2014
    Publication date: August 6, 2015
    Inventors: Hyung-Tae KIM, Ji-Woon JUNG, In-Suk KIM, Jong-Kon BAE, Jae-Hyuck WOO, Won-Sik KANG, Yang-Hyo KIM
  • Patent number: 9099055
    Abstract: A display driving device a driving unit, an output unit, and an output control unit. The driving unit includes a first buffer and a second buffer generating a first driving voltage and a second driving voltage, respectively. The output unit includes a first output pad and a second output pad to which voltages are respectively applied via first second data driving paths, respectively, and which output the voltages to outside. The output control unit includes a charge share path that connects the first output pad and the second output pad. Each of the first data driving path and the second data driving path includes a first electro-static discharge (ESD) protection element, and the charge share path includes a second ESD protection element that is disposed separately from the first data driving path and the second data driving path.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: August 4, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyung-tae Kim, Ji-woon Jung, Jeong-ah Ahn
  • Publication number: 20150194086
    Abstract: A display device capable of decreasing an amplifier offset using a gate-start pulse signal is disclosed. A display device includes a display panel, a control circuit, a gate driving circuit and a source driving circuit. The source driving circuit includes a plurality of source driving chips, compensates for an amplifier offset in response to the gate-start pulse signal, performs digital-to-analog (D/A) conversion on data received from the control circuit using gray scale voltages in response to the source control signal, and provides the converted data to the source lines.
    Type: Application
    Filed: September 5, 2014
    Publication date: July 9, 2015
    Inventors: Hyung-Tae Kim, Vic Lee, Julius Pan, Yuwen Chiou
  • Patent number: 9019131
    Abstract: Methods and apparatus for human body communication are provided. A communication signal for transmission through the human body is generated. The communication signal is transmitted when the terminal is in contact with the human body. The touch is detected, and a communication signal is determined based on a number of the touch and a duration of the touch. A function corresponding to the communication signal is executed.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: April 28, 2015
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hyung Tae Kim, Hee Chan Choi
  • Patent number: 8995551
    Abstract: An apparatus and method for generating a codebook in a wireless communication system are disclosed. The codebook generation apparatus includes a processor for generating a covariance matrix of a channel between the transmitting end and a receiving end, using a unitary matrix including a first vector corresponding to at least one quantized dominant singular singular vector of the channel and a second vector corresponding to at least one basis vector of a null space of the first vector, and transforming a predefined first codebook by applying the covariance matrix of the channel to the first codebook.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: March 31, 2015
    Assignee: LG Electronics Inc.
    Inventors: Hyung Tae Kim, Han Byul Seo, Byoung Hoon Kim, Ki Jun Kim
  • Patent number: 8994444
    Abstract: A proportional to absolute temperature (PTAT) current generation circuit may include a current mirror unit and/or a level control unit. The current mirror unit may be connected between a first power supply voltage, a first node, and/or a second node. The level control unit may be connected between the first node, the second node, and/or a second power supply voltage. The level control unit may be configured to control a level of an output current of the current mirror unit based on a voltage level of the first node and a voltage level of the second node. The level control unit may include a first transistor connected between the first node and the second power supply voltage, at least one second transistor connected between the second node and a third node, the at least one second transistor configured to operate in a weak inversion region, and/or a third transistor connected between the third node and the second power supply voltage.
    Type: Grant
    Filed: May 8, 2008
    Date of Patent: March 31, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Hwan Baek, Chang Hwe Choi, Hyung Tae Kim
  • Publication number: 20150063282
    Abstract: A method and apparatus are described for transmitting a channel state information (CSI) reporting at a user equipment (UE) in a wireless communication system. A rank indicator (RI) and a first type precoding matrix indicator (PMI) are transmitted to a base station (BS) according to a first CSI feedback type. A second type PMI and a channel quality information (CQI) are transmitted to the BS according to a second CSI feedback type. The RI and the first type PMI are jointly coded, and transmitted through a physical uplink control channel (PUCCH). A reporting period of the first type PMI is longer than a reporting period of the second type PMI. The first type PMI is a wideband PMI, and the second type PMI is a subband PMI. The reporting period of the first type PMI is equal to a reporting period of the RI.
    Type: Application
    Filed: November 10, 2014
    Publication date: March 5, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyung Tae KIM, Han Byul SEO, Ki Jun KIM, Dae Won LEE
  • Publication number: 20150066001
    Abstract: The present invention relates to a minimally invasive surgical instrument having an articulation immobilising structure. The present invention is a s minimally invasive surgical instrument and includes a shaft, an end effector connected towards one end of the shaft, a wire for controlling the articulated movement of the end effector, and an immobilising structure adapted to immobilise the state of articulated movement of the end effector. The immobilising structure includes a resilient member covering the wire, and the resilient member holds the wire when an internal space therein contracts.
    Type: Application
    Filed: March 26, 2013
    Publication date: March 5, 2015
    Inventors: Chang Wook Jeong, Hyung Tae Kim