Patents by Inventor Seung-Hwan Moon

Seung-Hwan Moon 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: 8866724
    Abstract: In a bi-directional shift register and a liquid crystal display device having the bi-directional shift register, the shift register further includes a dummy stage for resetting a last stage. The dummy stage is reset by a control signal of the last stage or by the output signal of the dummy stage. Therefore, power consumption and layout area may be reduced. The shift register includes a plurality of stages and two dummy stages, and two selection signals for selecting shift direction is applied to each of the stages.
    Type: Grant
    Filed: July 17, 2006
    Date of Patent: October 21, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seung-Hwan Moon
  • Patent number: 8866806
    Abstract: A power supply apparatus includes a storage battery, a power part and a solar battery part. The storage battery provides a charged voltage to an electronic device. The power part provides an external voltage to the electronic device and simultaneously charges the storage battery, upon determining that the external voltage is provided to the power supply apparatus. The solar battery part charges the storage battery using a voltage output by a solar battery upon determining that the external voltage is not provided to the power supply apparatus and the electronic device is not in use, and provides the voltage output by the solar battery and the charged voltage output by the storage battery to the electronic device, upon determining that the external voltage is not provided to the power supply apparatus and the electronic device is in use.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: October 21, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Uk Choi, Byeong-Doo Kang, Yong-Soon Lee, Seung-Hwan Moon, Young-Suk Ha, Jeong-Bong Lee
  • Patent number: 8866726
    Abstract: A backlight assembly includes a light source unit, at least one block driving unit, a controller unit and a noise removing circuit. The light source unit includes a plurality of dimming blocks generating light. The block driving unit drives the dimming blocks. The controller unit controls the block driving unit. The noise removing circuit is connected to the block driving unit and the controller unit to prevent noise from being applied to a reset terminal of the block driving unit.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: October 21, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Uk Choi, Sang-Gil Lee, Yun-Jae Park, Seung-Hwan Moon
  • Patent number: 8860668
    Abstract: A display device including a display panel, a sensing electrode that is disposed in a matrix pattern and outputs a sensing signal with respect to an external stimulus, a calculator that divides the display panel into a plurality of detection regions based on a coordinate of a first stimuli group outputting a sensing signal with respect to a first stimulus, and a position determiner is presented. The position determiner determines a coordinate of a second stimuli group outputting a sensing signal with respect to a second stimulus and designates the coordinate as a stimulus position if the second stimulus is generated from a selection detection region within predetermined detection time after the first stimulus.
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: October 14, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nam-gon Choi, Seung-hwan Moon
  • Patent number: 8854440
    Abstract: A three dimensional image display device, including: a display panel that alternately displays a left eye image and a right eye image, wherein a common voltage synchronized with a voltage reset signal is applied to the display panel and the voltage reset signal is maintained at a high level for a predetermined time before the voltage reset signal is input to the left eye image or the right eye image.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: October 7, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo-Ram Kim, Seung Hwan Moon, Byoung Jun Lee, Jae-Hoon Lee, Yun-Jae Kim, Nam-Hee Goo, Myoung-Chul Kim, Jae Ho Choi
  • Publication number: 20140285543
    Abstract: A display device according to an embodiment of the present invention includes: a pixel including a first subpixel and a second subpixel; a first signal line connected to the first subpixel and transmitting a first signal; a second signal line connected to the second subpixel and transmitting a second signal; a third signal line intersecting the first and the second signal lines, connected to at least one of the first and the second subpixels, and transmitting a third signal; and a fourth signal line intersecting the first and the second signal lines and transmitting a fourth signal, wherein the first subpixel and the second subpixel are supplied with data voltages having different magnitude, and the data voltages applied to the first and the second subpixels are originated from a single image information.
    Type: Application
    Filed: June 4, 2014
    Publication date: September 25, 2014
    Inventors: Sang-Soo KIM, Dong-Gyu KIM, Seung-Hwan MOON, Seung-Woo LEE, Seung-Soo BAEK
  • Patent number: 8842228
    Abstract: An LCD with an integrated touch panel that prevents sensor malfunction by eliminating coupling noises includes an insulating substrate, a plurality of gate lines formed on the insulating substrate so as to extend in a first direction, a plurality of data lines formed in a second direction so as to intersect the plurality of gate lines, a plurality of thin film transistors (TFTs), each formed at an area defined by the gate lines and the data lines, a plurality of sensor lines formed in the same directions as the gate lines and the data lines, and a plurality of dummy lines formed in the same directions as the sensor lines.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: September 23, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seung-hwan Moon
  • Patent number: 8810606
    Abstract: A display device according to an embodiment of the present invention includes: a pixel including a first subpixel and a second subpixel; a first signal line connected to the first subpixel and transmitting a first signal; a second signal line connected to the second subpixel and transmitting a second signal; a third signal line intersecting the first and the second signal lines, connected to at least one of the first and the second subpixels, and transmitting a third signal; and a fourth signal line intersecting the first and the second signal lines and transmitting a fourth signal, wherein the first subpixel and the second subpixel are supplied with data voltages having different magnitude, and the data voltages applied to the first and the second subpixels are originated from a single image information.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: August 19, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Soo Kim, Dong-Gyu Kim, Seung-Hwan Moon, Seung-Woo Lee, Seung-Soo Baek
  • Publication number: 20140204006
    Abstract: A display device includes a pixel matrix having pixel rows and pixel columns and including pixels having switching elements positioned alternately at a corner near an upper and a lower side of each pixel row and positioned alternately at a corner near an upper and a lower side of and alternately at a corner near a left and a right side of each pixel column; multiple pairs of gate lines transmitting a gate-on voltage; and multiple data lines transmitting data voltages, wherein each pair of gate lines are disposed at the upper and lower sides of each pixel row with the pixels in each row connected to the gate line positioned nearest the respective switching element, and each data line is disposed between adjacent pairs of pixel columns and connected to pairs of pixels where one pixel of the pair has a switching element positioned nearest the respective data line.
    Type: Application
    Filed: March 24, 2014
    Publication date: July 24, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD
    Inventors: Nam-Soo Kang, Seong-Young Lee, Sung-Man Kim, Seung-Hwan Moon
  • Patent number: 8754674
    Abstract: In a gate drive circuit including stages which are cascaded and which output gate signals each of the stages includes a first node, an output part, a first holding part and a second holding part. A voltage of the first node is converted to a high voltage in response to one of a vertical start signal and a carry signal of one of previous stages. The output part outputs a first clock signal as a gate signal through an output terminal in response to the high voltage of the first node. The first holding part applies a first low voltage to the output terminal, in response to a gate signal output from at least one of following stages. The second holding part applies a second low voltage, which is less than the first low voltage, to the first node in response to a gate signal output from at least one stage among following stages.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: June 17, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Hoon Lee, Seung-Hwan Moon
  • Patent number: 8730206
    Abstract: A display device includes: a first insulation substrate having an upper surface and a lower surface; a transparent conductive layer disposed on the upper surface of the first insulation substrate; a gate line disposed on the lower surface of the first insulation substrate; a gate insulating layer disposed on the gate line; a semiconductor layer disposed on the gate insulating layer; a data line disposed on the semiconductor layer and connected to a source electrode and a drain electrode facing the source electrode; and a pixel electrode electrically connected to the drain electrode, where the gate line, the gate insulating layer, the semiconductor layer and the data line are sequentially disposed on the lower surface of the first insulation substrate.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: May 20, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul Kim, Su-Bin Park, Seung Hwan Moon, Byoung Jun Lee
  • Patent number: 8711073
    Abstract: A display system includes a display panel having a plurality of pixel units, each of the pixel units having first and second divided pixel parts; a first driver for applying a first gate signal to the first divided pixel part; and a second driver for applying a second gate signal to the second divided pixel part, wherein the first and second drivers are integrally formed in the display panel and apply the first and second gate signals to be at least partially time-overlapped through independent driving.
    Type: Grant
    Filed: July 18, 2008
    Date of Patent: April 29, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Cheol Lee, Seung Hwan Moon
  • Patent number: 8692819
    Abstract: A liquid crystal display and method for driving the liquid crystal display are provided.
    Type: Grant
    Filed: August 10, 2010
    Date of Patent: April 8, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seung Hwan Moon
  • Patent number: 8681083
    Abstract: A display device includes a pixel matrix having pixel rows and pixel columns and including pixels having switching elements positioned alternately at a corner near an upper and a lower side of each pixel row and positioned alternately at a corner near an upper and a lower side of and alternately at a corner near a left and a right side of each pixel column; multiple pairs of gate lines transmitting a gate-on voltage; and multiple data lines transmitting data voltages, wherein each pair of gate lines are disposed at the upper and lower sides of each pixel row with the pixels in each row connected to the gate line positioned nearest the respective switching element, and each data line is disposed between adjacent pairs of pixel columns and connected to pairs of pixels where one pixel of the pair has a switching element positioned nearest the respective data line.
    Type: Grant
    Filed: April 18, 2005
    Date of Patent: March 25, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nam-Soo Kang, Seong-Young Lee, Sung-Man Kim, Seung-Hwan Moon
  • Patent number: 8674927
    Abstract: Provided are a liquid crystal display (Lcd) and a method of driving the same. The LCD includes a timing controller which receives a first image signal corresponding to a first frame frequency and outputs a second image signal corresponding to a second frame frequency; a liquid crystal panel which receives the second image signal and displays an image using the second frame frequency; and a plurality of light-emitting blocks which provide light to the liquid crystal panel, wherein the light-emitting blocks are divided into a plurality of light-emitting groups, each group including at least one of the light-emitting blocks, and, in a first operation mode, a frame, which corresponds to the second frame frequency, includes an off section in which at least one of the light-emitting groups is turned off.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: March 18, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yun-Jae Park, Hyun-Seok Ko, Mun-Soo Park, Seung-Hwan Moon, Kyung-Uk Choi
  • Patent number: 8624812
    Abstract: A liquid crystal includes a plurality of pixels, a plurality of gate lines, and a plurality of data lines. The plurality of pixels are arranged in a matrix format. The plurality of gate lines transmit a gate signal to the pixels. The plurality of data lines cross the gate lines and transmit data voltages respectively corresponding to the plurality of pixels a plural number of times. A voltage that is the same as that of the data lines neighboring the first and last data lines is applied to the first and last data lines among the plurality of data lines at least once.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: January 7, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Jun Lee, Jang-Hyun Yeo, Hyun-Su Lee, Seung-Hwan Moon, Yong-Bum Kim
  • Patent number: 8610179
    Abstract: An amorphous-silicon thin film transistor and a shift resister shift resister having the amorphous-silicon TFT include a first conductive region, a second conductive region and a third conductive region. The first conductive region is formed on a first plane spaced apart from a substrate by a first distance. The second conductive region is formed on a second plane spaced apart from the substrate by a second distance. The second conductive region includes a body conductive region and two hand conductive regions elongated from both ends of the body conductive region to form an U-shape. The third conductive region is formed on the second plane. The third conductive region includes an elongated portion. The elongated portion is disposed between the two hand conductive regions of the second conductive region. The amorphous-silicon TFT and the shift resister having the amorphous TFT reduce a parasitic capacitance between the gate electrode and drain electrode.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: December 17, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Hwan Moon, Back-Won Lee
  • Publication number: 20130328750
    Abstract: A display apparatus includes; a data driver integrated in one chip and which outputs data signals; a gate driver which sequentially outputs gate signals, a display panel which includes; a plurality of data lines which receive the data signals, a plurality of gate lines which receive the gate signals, and a plurality of pixels connected to a corresponding gate line and a corresponding data line, a voltage generator which generates a common voltage and a storage voltage and provides them to the display panel, and a voltage compensator which receives the storage voltage fedback from the display panel and generates a compensation signal, wherein the display panel further includes a feedback line which provides the voltage compensator with the storage voltage, and wherein the feedback line is electrically connected to the voltage compensator through the data driver.
    Type: Application
    Filed: August 16, 2013
    Publication date: December 12, 2013
    Applicant: Samsung Display Co., LTD.
    Inventors: Sang-Moon MOH, Han-Jin RYU, Hong-Sig CHU, Kwang-Jae KIM, Sang-Don BAE, In-Jae HWANG, Seung-Hwan MOON, Sang-Soo KIM
  • Patent number: 8593444
    Abstract: A method of driving a display panel includes generating a gate on voltage, generating first and second gate off voltages based on an external voltage in a first operating mode, and first and second gate off voltages based on the gate on voltage in a second operating mode, generating a clock signal based on the gate on voltage and the second gate off voltage and outputting a gate voltage generated based on the clock signal and the first and second gate off voltages to a gate line of the display panel.
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: November 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Whee-Won Lee, Seung-Hwan Moon, Jae-Hoon Lee, Jun-Yong Song
  • Publication number: 20130286301
    Abstract: An LCD with an integrated touch panel that prevents sensor malfunction by eliminating coupling noises includes an insulating substrate, a plurality of gate lines formed on the insulating substrate so as to extend in a first direction, a plurality of data lines formed in a second direction so as to intersect the plurality of gate lines, a plurality of thin film transistors (TFTs), each formed at an area defined by the gate lines and the data lines, a plurality of sensor lines formed in the same directions as the gate lines and the data lines, and a plurality of dummy lines formed in the same directions as the sensor lines.
    Type: Application
    Filed: July 1, 2013
    Publication date: October 31, 2013
    Inventor: Seung-hwan MOON