Patents by Inventor Do Heon Kim

Do Heon 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: 7864154
    Abstract: A gate driving circuit for a liquid crystal display device includes a plurality of shift register stages each including pull-up and pull-down transistors, wherein each of the pull-up and pull-down transistors is connected to a gate driving signal output terminal and controlled by voltages on first and second nodes, respectively, and wherein the pull-down transistors of a (2n?1)th shift register stage and a (2n)th shift register stage are connected to each other; and a control signal generating unit alternately supplying one of first and second control signals to the pull-down transistors of the (2n?1)th and (2n)th shift register stages and supplying the other of the first and second control signals to the pull-down transistors of the (2n+1)th and (2n+2)th shift register stages, wherein n is an positive integer.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: January 4, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Do-Heon Kim, Soo-Hwan Moon, Ji-Eun Chae
  • Publication number: 20100231575
    Abstract: A liquid crystal display device including a liquid crystal panel, a gate driver configured to supply gate signals to gate lines on the liquid crystal panel, a data driver configured to supply data voltages to data lines on the liquid crystal panel, and a partial controller configured to control the gate driver to intercept a part of the gate signals to be supplied to the gate lines.
    Type: Application
    Filed: May 21, 2010
    Publication date: September 16, 2010
    Inventors: Su Hwan MOON, Do Heon KIM, Ji Eun CHAE
  • Patent number: 7750883
    Abstract: A liquid crystal display device including a liquid crystal panel, a gate driver configured to supply gate signals to gate lines on the liquid crystal panel, a data driver configured to supply data voltages to data lines on the liquid crystal panel, and a partial controller configured to control the gate driver to intercept a part of the gate signals to be supplied to the gate lines.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: July 6, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Su Hwan Moon, Do Heon Kim, Ji Eun Chae
  • Publication number: 20090322998
    Abstract: A liquid crystal display (LCD) device having a minimized display area. The LCD device comprises a display region defined by a plurality of gate and data lines, and having a plurality of thin film transistors (TFTs), for displaying an image; a frame region disposed outside the display region, and composed of a first region having a reflection layer for displaying a color having a set brightness by reflecting incident light in a reflective mode, and a second region having a driving circuit pattern and a driving circuit for shielding incident light; and an outer region formed outside the frame region and having the driving circuit.
    Type: Application
    Filed: December 30, 2008
    Publication date: December 31, 2009
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Tae-Yong Jung, Jong-Hyun Park, Do-Heon Kim, Dae-Sung Jung, Jung-Eun Son
  • Publication number: 20090295784
    Abstract: An apparatus and method for driving a liquid crystal display device are disclosed. The apparatus includes a liquid crystal panel with pixels defined by data and gate lines. A gate driver provides different gate pulses to the odd-column pixels than to the even-column pixels. The gate pulses have different voltages and/or widths. Data drivers provide data voltages having a positive or negative polarity to the data lines. A timing controller controls the gate and data drivers and supplies gate clock pulses that have different voltages and/or widths to the gate driver.
    Type: Application
    Filed: August 4, 2009
    Publication date: December 3, 2009
    Applicant: LG Display Co., Ltd.
    Inventors: Sun Young Kwon, Do Heon Kim, Su Hwan Moon, Ji Eun Chae
  • Patent number: 7617316
    Abstract: A network connection device, network system and method for avoiding duplication of proxy functions. The network connection device includes a bridge module for relaying a communication module of a first communication mode and a communication module of a second communication mode, a proxy Universal Plug and Play (UPnP) service module, connected with the bridge module, for providing a proxy function of a network device of the second communication mode, and a duplicate proxy Universal Plug and Play service module, connected with the communication module of the first communication mode and the proxy Universal Plug and Play service module, for preventing the proxy function of the network device of the second communication mode from being duplicated and activated at a plurality of bridges.
    Type: Grant
    Filed: November 4, 2004
    Date of Patent: November 10, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Do-heon Kim, Hyun-gyoo Yook, Hyun-sik Yoon, Tae-jin Jeong
  • Patent number: 7586476
    Abstract: An apparatus and method for driving a liquid crystal display device are disclosed. The apparatus includes a liquid crystal panel with pixels defined by data and gate lines. A gate driver provides different gate pulses to the odd-column pixels than to the even-column pixels. The gate pulses have different voltages and/or widths. Data drivers provide data voltages having a positive or negative polarity to the data lines. A timing controller controls the gate and data drivers and supplies gate clock pulses that have different voltages and/or widths to the gate driver.
    Type: Grant
    Filed: August 19, 2005
    Date of Patent: September 8, 2009
    Assignee: LG. Display Co., Ltd.
    Inventors: Sun Young Kwon, Do Heon Kim, Su Hwan Moon, Ji Eun Chae
  • Patent number: 7397885
    Abstract: A shift register minimizing bias stress applied to transistors is disclosed.
    Type: Grant
    Filed: June 26, 2006
    Date of Patent: July 8, 2008
    Assignee: LG Display Co., Ltd.
    Inventors: Su Hwan Moon, Do Heon Kim, Ji Eun Chae
  • Publication number: 20080002319
    Abstract: An electrostatic discharge circuit includes a first transistor and a second transistor connected between a first node and a second node in a first circulation loop, and a third transistor and a fourth transistor connected between the second node and a third node in a second circulation loop.
    Type: Application
    Filed: December 19, 2006
    Publication date: January 3, 2008
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Su Hwan Moon, Do Heon Kim, Chung Wan Oh
  • Publication number: 20070296676
    Abstract: A liquid crystal display device including a liquid crystal panel, a gate driver configured to supply gate signals to gate lines on the liquid crystal panel, a data driver configured to supply data voltages to data lines on the liquid crystal panel, and a partial controller configured to control the gate driver to intercept a part of the gate signals to be supplied to the gate lines.
    Type: Application
    Filed: December 28, 2006
    Publication date: December 27, 2007
    Inventors: Su Hwan Moon, Do Heon Kim, Ji Eun Chae
  • Publication number: 20070290982
    Abstract: A gate driving circuit for a liquid crystal display device includes a plurality of shift register stages each including pull-up and pull-down transistors, wherein each of the pull-up and pull-down transistors is connected to a gate driving signal output terminal and controlled by voltages on first and second nodes, respectively, and wherein the pull-down transistors of a (2n?1)th shift register stage and a (2n)th shift register stage are connected to each other; and a control signal generating unit alternately supplying one of first and second control signals to the pull-down transistors of the (2n?1)th and (2n)th shift register stages and supplying the other of the first and second control signals to the pull-down transistors of the (2n+1)th and (2n+2)th shift register stages, wherein n is an positive integer.
    Type: Application
    Filed: December 28, 2006
    Publication date: December 20, 2007
    Inventors: Do-Heon Kim, Soo-Hwan Moon, Ji-Eun Chae
  • Publication number: 20070162586
    Abstract: A middleware device and a method of supporting compatibility of devices on a home network are provided, in which the compatibility of all kinds of devices based on UPnP and web service is supported by protocol conversion. The middleware device includes a discovery unit receiving discovery messages based on different protocols and converting each of the discovery messages to a message based on a protocol that can be processed by a device to which the messages are to be transmitted; a description unit creating a description file of a predetermined device requested from the UPnP and the web service and converting the created description file such that it can be processed by a device having requested the description file; and an information management unit managing service information and information on devices existing on the home network on the basis of the discovery message and the description file.
    Type: Application
    Filed: January 12, 2007
    Publication date: July 12, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Do-heon Kim
  • Publication number: 20070153326
    Abstract: An apparatus, a system, and a method of processing a printing operation on a home network that searches an available media storage device upon a request of a printing job of predetermined contents, transmits an address of the searched media storage device, and prints printing contents transmitted to the address are provided. The apparatus for processing a printing function on a home network includes a printing request management unit which processes a printing request transmitted from a printing controller on a home network; a media storage device processing unit which provides information on an available media storage device on the home network when printing job information is transmitted from the printing request management unit; and a printing management unit which downloads predetermined contents stored in the media storage device, and performs a printing job according to the printing request of the printing controller.
    Type: Application
    Filed: January 3, 2007
    Publication date: July 5, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Do-heon Kim
  • Publication number: 20050135341
    Abstract: An apparatus that is connected to and controls a media server and a media renderer that is connected to a home network, stores and manages information regarding media content included in the media server, and provides a directory service with respect to all media content under a home network environment. The apparatus includes a media server directory module which stores and manages meta data of the media content comprised in all media servers existing under the home network environment and stores and manages connection information regarding the media servers. Also included is a proxy media server module which provides a content directory service, and a media server control point module which controls the media server directory module and the proxy media server module, searches for the media content, and brings and stores the meta data of the searched media content in the media server directory module.
    Type: Application
    Filed: November 30, 2004
    Publication date: June 23, 2005
    Inventor: Do-heon Kim
  • Publication number: 20050102369
    Abstract: A network connection device, network system and method for avoiding duplication of proxy functions. The network connection device includes a bridge module for relaying a communication module of a first communication mode and a communication module of a second communication mode, a proxy Universal Plug and Play (UPnP) service module, connected with the bridge module, for providing a proxy function of a network device of the second communication mode, and a duplicate proxy Universal Plug and Play service module, connected with the communication module of the first communication mode and the proxy Universal Plug and Play service module, for preventing the proxy function of the network device of the second communication mode from being duplicated and activated at a plurality of bridges.
    Type: Application
    Filed: November 4, 2004
    Publication date: May 12, 2005
    Inventors: Do-heon Kim, Hyun-gyoo Yook, Hyun-sik Yoon, Tae-jin Jeong
  • Publication number: 20040208195
    Abstract: The present invention relates to an apparatus and method for connecting separate networks. The network connection apparatus of the present invention includes a join module for connecting a network, to which the join module belongs, with a first network in response to an inter-network connection request message transmitted from the first network, setting a security level of the connected first network, and controlling a network command message in response to the set security level. According to the present invention, there is an advantage in that mutual connection and control between devices present in the separate networks can be made by connecting the separate networks with one another.
    Type: Application
    Filed: April 5, 2004
    Publication date: October 21, 2004
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Do-heon Kim, Hyun-gyoo Yook, Hyun-sik Yoon