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: 9129572
    Abstract: A display device includes a display panel that includes a first pixel and a second pixel, the first pixel being associated with a positive pixel voltage relative to a data voltage and being associated with a first leakage current, the second pixel being associated with a negative pixel voltage relative to the data voltage and being associated with a second leakage current. The display device further includes a gate driver for providing a first gate-off voltage having a first value to at least one of the first pixel and the second pixel, the first value being in a range determined based on an equality-enabling value, wherein a value of the first leakage current is equal to a value of the second leakage current if the first gate-off voltage having the equality-enabling value is provided to the at least one of the first pixel and the second pixel.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: September 8, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong-Jun Choi, Jae-Suk Choi, Seung Hwan Moon, Po-Yun Park, Min Joo Lee, Jung Hwan Cho
  • Patent number: 9105252
    Abstract: The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: August 11, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong-Jun Choi, Jae-Won Jeong, Jae-Suk Choi, Seung-Ho Baek, Joo Seok Yeom, Young-Su Han, Myeong-Su Kim, Yun-Jae Kim, Jin-Soo Kim, Seung Hwan Moon, Po-Yun Park, Jae Wan Park, Kwan-Young Oh, Min Joo Lee, Jung Hwan Cho
  • Patent number: 9082362
    Abstract: A display panel includes a display area, a peripheral area which includes a first peripheral area, and a second peripheral area opposite to the first peripheral area, a plurality of pixels in the display area, a plurality of data lines, a first gate line, a second gate line, a first gate driving circuit and a second gate driving circuit. Each data line corresponds to two pixel columns. The first gate line is at a first side of a pixel row. The second gate line is at a second side of the pixel row. The first gate driving circuit is in the first peripheral area and includes a first stage which provides a gate signal to the first gate line. The second gate driving circuit is in a second peripheral area of the display area and includes a second stage which provides a gate signal to the second gate line.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: July 14, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yu-Han Bae, Jae-Hoon Lee, Seung-Hwan Moon
  • Patent number: 9063602
    Abstract: A display device includes a display panel including a plurality of pixels, a sensing electrode generating a sensing signal in response to an external stimulus, a sensing line connected to the sensing electrode, a sensing driver connected to the sensing line, receiving the sensing signal from the sensing line and storing the sensing signal as a specific register value, and outputting a position pulse according to the specific register value, and a signal controller determining a position of the external stimulus based on the position pulse and a predetermined clock signal.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: June 23, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Seung-hwan Moon
  • Patent number: 9058787
    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: April 6, 2011
    Date of Patent: June 16, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Soo Kim, Dong-Gyu Kim, Seung-Hwan Moon, Seung-Woo Lee, Seung-Soo Baek
  • Patent number: 9019188
    Abstract: A display device including a display panel displaying a still image and a moving image and a signal controller controlling signals to drive the display panel, wherein the signal controller includes a frame memory storing image data of the still image and providing the image data to the display panel, and the display panel is driven with a first scan ratio when displaying the moving image and is driven with a second scan ratio that is lower than the first scan ratio when displaying the still image.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: April 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Su Han, Seung Hwan Moon, Jung Hwan Cho, Myeong-Su Kim, Jae Wan Park, Jin-Soo Kim
  • Patent number: 8970682
    Abstract: A stereoscopic image display device includes; a display device into which left-eye image data and right-eye image data are alternately input, and a shutter member including a left-eye shutter and a right-eye shutter, wherein the left-eye shutter and the right-eye shutter are opened in at least one of at least a part of an input period for the left-eye image data and at least a part of an input period for the right-eye image data.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: March 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo-Ram Kim, Byoung-Jun Lee, Yun-Jae Kim, Nam-Hee Goo, Myoung-Chul Kim, Gyeong-Ub Moon, Seung-Hwan Moon
  • Publication number: 20150026506
    Abstract: Exemplary embodiments of present invention relate to an error detecting apparatus for a gate driver improving a reliability of a display apparatus, a display apparatus having the error detecting apparatus, and a method of detecting an error of the gate driver using the error detecting apparatus. An exemplary embodiment discloses an error detecting apparatus including an error detecting part configured to receive a gate signal of a gate driver and determine whether a status of the gate driver is in a normal status or an error status based on the gate signal, a memory configured to store the status of the gate driver, and a signal outputting part configured to selectively output a clock signal and an error signal based on the status of the gate driver stored in the memory.
    Type: Application
    Filed: July 15, 2014
    Publication date: January 22, 2015
    Inventors: Jong-Jae LEE, Eui-Dong HWANG, Bon-Sung KOO, Jun-Dal KIM, Seung-Hwan MOON, Dong-Won PARK
  • Publication number: 20140375703
    Abstract: A display panel driving apparatus includes an image pattern analyzing part, a clock signal generating part and a data driving part. The image pattern analyzing part is configured to analyze an image pattern of an image data. The clock signal generating part is configured to generating a clock signal having a different pulse width according to the image pattern of an image data. The data driving part is configured to drive a data line of a display panel in response to the clock signal. Thus, power consumption and heating of the data driving part may be decreased.
    Type: Application
    Filed: May 23, 2014
    Publication date: December 25, 2014
    Applicant: Samsung Display Co., LTD.
    Inventors: Young-Il BAN, Sun-Koo KANG, Seung-Hwan MOON, Sun-Kyu SON, Kyung-Ha KIM, Jae-Han LEE
  • Publication number: 20140354706
    Abstract: A 3-dimensional image display device includes a signal controller, a data driver, a display panel, and glasses. The signal controller includes a reference gamma data generator to correct image data. The data driver includes a gray voltage generator to generate a gray voltage based on the corrected image data. The display panel displays left-eye and right-eye images based on a data voltage from the data driver. The lenses of the glasses are controlled by a glasses synchronization signal from the signal controller, to compensate for charging rates of the left-eye and right-eye images.
    Type: Application
    Filed: May 15, 2014
    Publication date: December 4, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyun-Sik Yoon, Jae Hyoung PARK, Jun Pyo LEE, Seung Hwan MOON, Dong Won PARK, Byung Kil JEON
  • Patent number: 8896161
    Abstract: An electronic device comprises a solar cell a main body which includes a display unit, a battery, and a processing unit and a power controller which connects the solar cell and the main body and controls the electronic device so that power generated from the solar cell is stored in the battery or used in the main body depending on a state of the main body.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: November 25, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Ho Choi, Myoung-Chul Kim, Seung Hwan Moon, Byoung Jun Lee, Yun-Jae Kim, Kyung-Uk Choi, Nam-Hee Goo, Bo-Ram Kim
  • Patent number: 8896514
    Abstract: A display device including a display panel displaying a still image and a moving image and a signal controller controlling signals to drive the display panel, wherein the signal controller includes a frame memory storing image data of the still image and providing the image data to the display panel, and the display panel is driven with a first scan ratio when displaying the moving image and is driven with a second scan ratio that is lower than the first scan ratio when displaying the still image.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: November 25, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Su Han, Seung Hwan Moon, Jung Hwan Cho, Myeong-Su Kim, Jae Wan Park, Jin-Soo Kim
  • Patent number: 8884921
    Abstract: A display device includes a first substrate including a first surface, on which a touch by an external object occurs, and a second surface opposite to the first surface, a plurality of driving signal lines positioned on the second surface of the first substrate, where the plurality of driving signal lines transmits a driving signal for displaying an image, a plurality of pixels including a plurality of switching elements connected to the plurality of driving signal lines, a sensing signal line positioned on one of the first surface and the second surface of the first substrate, where the sensing signal line transmits a sensing signal generated based on the touch by the external object, and a touch sensor unit including a sensing capacitor defined by at least one driving signal line of the plurality of driving signal lines and the sensing signal line.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: November 11, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul Kim, Su Bin Park, Ji Woong Kim, Seung Hwan Moon, Nam-Hee Goo, Seok-Hyun Jung
  • Publication number: 20140313355
    Abstract: Disclosed are a micro electro mechanical systems (MEMS) device and an apparatus for compensating for a tremble. The MEMS device includes a substrate; a driven member moving relative to the substrate; an elastic member connected to the driven member and the substrate; a driving member fixed to the substrate for driving the driven member; and a dynamic stopper fixed to the substrate and latched to the driven member.
    Type: Application
    Filed: November 7, 2012
    Publication date: October 23, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Hyun Kyu Park, Seung Hwan Moon, Jong Hyun Lee
  • 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