Patents by Inventor Hong-Woo Lee

Hong-Woo Lee 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: 8384870
    Abstract: A display substrate includes a first switching element, a second switching element, a first pixel electrode, a second pixel electrode, a main storage electrode and a sub-storage electrode. The first switching element is connected to a data line and a first gate line. The second switching element is connected to the data line and a second gate line adjacent to the first gate line. The first pixel electrode is electrically connected to the first switching element. The second pixel electrode is electrically connected to the second switching element. The main storage electrode is disposed in an area between the first pixel electrode and the second electrode to overlap with first ends of the first and second pixel electrodes. The sub-storage electrode is spaced apart from the first and second gate lines.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: February 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hong-Woo Lee, Jong-Oh Kim, Sung-Man Kim, Sun-Kyu Joo, Bong-Jun Lee, Jae-Min Shin
  • Publication number: 20130009955
    Abstract: An embodiment of the present invention relates to a method and apparatus for correcting errors in stereo images. The apparatus for correcting errors in stereo images according to an embodiment of the present invention comprises: a space histogram generation unit generating space histogram information using the depth map information on the input image data; a peak frequency generation unit generating a peak frequency using the 2D image data of the input image data; an object analysis unit determining the error in each frame of the input image data on the basis of the space histogram and peak frequency; a depth map error correction unit correcting the depth map information to reduce the error; and a rendering processing unit generating left and right eye images, which are stereo images, by using the corrected depth map information.
    Type: Application
    Filed: April 8, 2011
    Publication date: January 10, 2013
    Applicants: ECT INC., SK PLANET CO., LTD.
    Inventors: Dae Sic Woo, Byoung Ki Jeon, A Ran Kim, Hong Woo Lee, Jong Dae Kim, Won Suk Chung
  • Publication number: 20130002309
    Abstract: A pull-up driving part maintains a signal of a first node at a high level by receiving a turn-on voltage in response to one of a previous stage or a vertical start signal. A pull-up part outputs a clock signal through an output terminal in response to the signal of the first node. A first holding part maintains a signal of a second node at a high level or a low level when the signal of the first node is respectively low or high. A second holding part maintains the signal of the first node and a signal of the output terminal at a ground voltage in response to the signal of the second node or a delayed and inverted clock signal.
    Type: Application
    Filed: September 12, 2012
    Publication date: January 3, 2013
    Inventors: HONG-WOO LEE, Sung-Man Kim, Jong-Hyuk Lee, Jong-Hwan Lee, Hyeon-Hwan Kim, Sang-Moon Moh, Jeong-Il Kim, Yeon-Kyu Moon
  • Publication number: 20120322512
    Abstract: A mobile phone to transmit and receive a radio frequency signal through a first antenna and a second antenna in a radio communication system includes a first radio frequency signal receiving unit to convert the radio frequency signal received through the first antenna into a baseband signal to be transmitted to a controller, a second radio frequency signal receiving unit to convert the radio frequency signal received through the second antenna into a baseband signal to be transmitted to the controller, and a radio frequency signal transmitting unit to convert a baseband signal transmitted from the controller into a radio frequency signal, to distribute the radio frequency signal, and to selectively output the distributed radio frequency signal to the first antenna and the second antenna.
    Type: Application
    Filed: August 24, 2012
    Publication date: December 20, 2012
    Applicants: SK TELECOM CO., LTD, PANTECH CO., LTD.
    Inventors: In Kwang KIM, Hong Woo LEE
  • Patent number: 8306177
    Abstract: A pull-up driving part maintains a signal of a first node at a high level by receiving a turn-on voltage in response to one of a previous stage or a vertical start signal. A pull-up part outputs a clock signal through an output terminal in response to the signal of the first node. A first holding part maintains a signal of a second node at a high level or a low level when the signal of the first node is respectively low or high. A second holding part maintains the signal of the first node and a signal of the output terminal at a ground voltage in response to the signal of the second node or a delayed and inverted clock signal.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: November 6, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hong-Woo Lee, Sung-Man Kim, Jong-Hyuk Lee, Jong-Hwan Lee, Hyeon-Hwan Kim, Sang-Moon Moh, Jeong-Il Kim, Yeon-Kyu Moon
  • Patent number: 8305326
    Abstract: A gate driving circuit and a display device having the same, a pull-up unit pulls up a current gate signal by using a first clock signal during a first period of one frame. A pull-up driver coupled to the pull-up unit receives a carry signal from one of the previous stages to turn on the pull-up unit. A pull-up unit receives a gate signal from one of the next stages, discharges the current gate signal to an off voltage level, and turns off the pull-up unit. A holder holds the current gate signal at the voltage level. An inverter turns on/off the holder in response to a first clock signal. A ripple preventer has a source and a gate coupled in common to an output terminal of the pull-up unit and a drain coupled to an input terminal of the inverter, and includes a ripple preventing diode for preventing a ripple from being applied to the inverter.
    Type: Grant
    Filed: July 18, 2008
    Date of Patent: November 6, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Man Kim, Hong-Woo Lee, Myung-Koo Hur, Hee-Joon Kim
  • Patent number: 8275328
    Abstract: A mobile phone to transmit and receive a radio frequency signal through a first antenna and a second antenna in a radio communication system includes a first radio frequency signal receiving unit to convert the radio frequency signal received through the first antenna into a baseband signal to be transmitted to a controller, a second radio frequency signal receiving unit to convert the radio frequency signal received through the second antenna into a baseband signal to be transmitted to the controller, and a radio frequency signal transmitting unit to convert a baseband signal transmitted from the controller into a radio frequency signal, to distribute the radio frequency signal, and to selectively output the distributed radio frequency signal to the first antenna and the second antenna.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: September 25, 2012
    Assignees: Pantech Co., Ltd., SK Telecom Co., Ltd
    Inventors: In Kwang Kim, Hong Woo Lee
  • Patent number: 8264443
    Abstract: A gate driving circuit includes stages, the stages being cascaded and each including: a pull-up part which pulls up a gate voltage to a clock signal during a horizontal scanning period (1H); a carry part which pulls up a carry voltage to the clock signal during the horizontal scanning period (1H); a pull-up driving part connected to a control terminal (Q-node) common to the carry part and the pull-up part and which receives a previous carry voltage from a first previous stage to turn on the pull-up part and the carry part; and a ripple preventing part which prevents a ripple generated at a previous Q-node of a second previous stage based on a ripple generated at the Q-node of the carry part and the pull-up part.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: September 11, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong-Woo Lee, Hyeon-Hwan Kim, Byeong-Jae Ahn, Sun-Hyung Kim, Sung-Man Kim, Bong-Jun Lee
  • Patent number: 8259274
    Abstract: Disclosed is a liquid crystal display device including a first substrate, a second substrate, and a liquid crystal layer interposed there between. The first substrate is provided with gate lines and data lines thereon. The gate lines and data lines cross with each other and are insulated from each other. Pixel electrodes are stacked on the gate lines and data lines. Each pixel electrode includes first and second sub-pixel electrodes spaced apart from each other and a connection electrode, which connects the first sub-pixel electrode to the second sub-pixel electrode. The second substrate is provided with a common electrode thereon. The common electrode includes a first domain divider formed on the center of the first sub-pixel electrode and a second domain divider formed on the center of the second sub-pixel electrode.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: September 4, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Man Kim, Myung-Koo Hur, Jong-Hwan Lee, Yong Woo Lee, Hong-Woo Lee, Jin-Suk Seo
  • Publication number: 20120218486
    Abstract: A display substrate includes a first switching element, a second switching element, a first pixel electrode, a second pixel electrode, a main storage electrode and a sub-storage electrode. The first switching element is connected to a data line and a first gate line. The second switching element is connected to the data line and a second gate line adjacent to the first gate line. The first pixel electrode is electrically connected to the first switching element. The second pixel electrode is electrically connected to the second switching element. The main storage electrode is disposed in an area between the first pixel electrode and the second electrode to overlap with first ends of the first and second pixel electrodes. The sub-storage electrode is spaced apart from the first and second gate lines.
    Type: Application
    Filed: May 10, 2012
    Publication date: August 30, 2012
    Inventors: Hong-Woo Lee, Jong-Oh Kim, Sung-Man Kim, Sun-Kyu Joo, Bong-Jun Lee, Jae-Min Shin
  • Patent number: 8223283
    Abstract: A display substrate includes a base substrate, a first line, a second line, a bridge line, a thin-film transistor (TFT), a storage line, and a pixel electrode. The first line extends in a first direction on the base substrate. The second line extends in a second direction on the base substrate and is divided into two portions with respect to the first line. The bridge line makes contact with the two portions of the second line in first and second bridge contact regions. The TFT includes a source electrode making contact with one of the first and second lines in a data contact region. The storage line is formed on the one of the first and second lines. The pixel electrode is formed on the storage line and is electrically connected to the TFT. The display substrate reduces formation of parasitic capacitance between pixel electrode and data line.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: July 17, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bong-Jun Lee, Byeong-Jae Ahn, Yeo-Geon Yoon, Hong-Woo Lee, Hyuk-Jin Kim, Jong-Oh Kim, Gyu-Tae Kim
  • Patent number: 8203539
    Abstract: A display panel and a method of manufacturing the same are provided, which can prevent the deterioration of input sensitivity to the panel, and maximize the aperture ratio of the panel. The display panel includes a first substrate, a gate line and a data line crossing each other on the first substrate, in a manner that the gate line and the data line are electrically insulated from each other. The display panel further comprises a first sensor wire formed in parallel to the data line, a second sensor wire formed to overlap the data line in parallel to the data line, a second substrate arranged opposite to the first substrate, and a sensor spacer formed on the second substrate to project toward the first substrate.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: June 19, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Man Kim, Beom-Jun Kim, Sun-Kyu Joo, Hong-Woo Lee
  • Patent number: 8203682
    Abstract: A display substrate includes a first switching element, a second switching element, a first pixel electrode, a second pixel electrode, a main storage electrode and a sub-storage electrode. The first switching element is connected to a data line and a first gate line. The second switching element is connected to the data line and a second gate line adjacent to the first gate line. The first pixel electrode is electrically connected to the first switching element. The second pixel electrode is electrically connected to the second switching element. The main storage electrode is disposed in an area between the first pixel electrode and the second electrode to overlap with first ends of the first and second pixel electrodes. The sub-storage electrode is spaced apart from the first and second gate lines.
    Type: Grant
    Filed: July 29, 2008
    Date of Patent: June 19, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong-Woo Lee, Jong-Oh Kim, Sung-Man Kim, Sun-Kyu Joo, Bong-Jun Lee, Jae-Min Shin
  • Patent number: 8194057
    Abstract: A display apparatus has a pixel including a main pixel connected to a main gate line and a data line, and a sub-pixel connected to a sub-gate line and the data line. A main gate driver outputs a main gate pulse to the main gate line during a time period 1H. A sub-gate driver receives the main gate pulse and outputs a sub-gate pulse to the sub-gate line during a first portion of time period 1H. The data driver applies a sub-pixel voltage to the data line during the first portion of time period 1H and applies the main pixel voltage to the data line during a second portion of time period 1H.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: June 5, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong-Woo Lee, Myung-Koo Hur, Jong-Hwan Lee
  • Patent number: 8194026
    Abstract: A gate driver comprises a shift register that has a plurality of stages connected together and outputs a gate signal comprising a first pulse and a second pulse to a gate line. A stage includes a holding part, a pre-charging part, a pull-up part, and a pull-down part. The holding part discharges an output terminal to an off-voltage in response to a first clock signal. The pre-charging part turns off the holding part and outputs the first clock signal as the first pulse to the output terminal in response to an output signal of a previous stage. The pull-up part outputs a second clock signal as the second pulse to the output terminal in response to the output signal of the previous stage. The pull-down part discharges the first output terminal to the off-voltage in response to an output signal of a next stage.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: June 5, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong-Woo Lee, Myung-Koo Hur, Jong-Hwan Lee, Beom-Jun Kim, Sung-Man Kim
  • Patent number: 8178697
    Abstract: The present invention relates to a novel method for preparing atorvastatin. According to the present invention, provided are a novel intermediate of the preparation of atorvastatin and a method of preparing large amounts of atorvastatin in a safe manner using the intermediate.
    Type: Grant
    Filed: April 25, 2008
    Date of Patent: May 15, 2012
    Assignee: Chong Kun Dang Pharmaceutical Corp.
    Inventors: Soon Kil Ahn, Hong-Woo Lee, Choong Leol Yoo, Young-Min Kim, Chang Geun Song, Sung Kwun Kang, Jun A. You, Bong Kwan Soh, Dong Hyuk Nam
  • Patent number: 8174478
    Abstract: A gate driving circuit and a display apparatus having the gate driving circuit include a pull-up part and a carry part pull up a present gate signal and a present carry signal, respectively, to a first clock during a first period within one frame. A pull-down part receives a next gate signal to discharge the present gate signal to a source power voltage. A pull-up driving part is connected to control terminals of the carry part and pull-up part (Q-node) to turn the carry part and pull-up part on and off. A floating preventing part prevents an output terminal of the carry part from being floated in response to the first clock during a second period within the one frame.
    Type: Grant
    Filed: June 8, 2007
    Date of Patent: May 8, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Man Kim, Hong-Woo Lee, Byeong-Jae Ahn, Young-Geol Song, Bong-Jun Lee, Yeon-Kyu Moon, Kyung-Wook Kim, Jin-Suk Seo
  • Patent number: 8159446
    Abstract: A gate driving circuit has a first stage which includes: a pull-up driving unit which receives a first carry signal from a second stage and outputs a control signal having first, second, third and fourth voltages to a first node during a preliminary period, a gate active period, a first gate inactive period and a second gate inactive period, respectively; a pull-up unit which receives the control signal and outputs a gate-on signal to a second node during the gate active period; a carry output unit which receives the control signal and outputs a second carry signal to a third stage during the gate active period; and a pull-down unit which receives a gate-off signal and the second carry signal from the second stage and outputs the control signal having the fourth voltage level to the first node during the second gate inactive period.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: April 17, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bong-Jun Lee, Kyung-wook Kim, Jong-oh Kim, Sung-man Kim, Hong-woo Lee, Hyuk-jin Kim
  • Patent number: 8134529
    Abstract: In a gate driver of a display device, a plurality of first stages each transmit a first gate signal having a first gate-on voltage to first gate lines, and a plurality of second stages each transmit a second gate signal having a second gate-on voltage to second gate lines and output a carry signal corresponding to the second gate signal. Each first stage outputs the first gate-on voltage based on a third gate-on voltage of the carry signal from a previous second stage, and each second stage outputs the second gate-on voltage based on the third gate-on voltage of the carry signal from the previous second stage.
    Type: Grant
    Filed: May 28, 2008
    Date of Patent: March 13, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Man Kim, Bong-Jun Lee, Hong-Woo Lee
  • Patent number: 8114216
    Abstract: The present invention relates to a semiconductor single crystal growth method, which uses a Czochralski process for growing a semiconductor single crystal through a solid-liquid interface by dipping a seed into a semiconductor melt received in a quartz crucible and pulling up the seed while rotating the quartz crucible and applying a strong horizontal magnetic field, wherein the seed is pulled up while the quartz crucible is rotated with a rate between 0.6 rpm and 1.5 rpm.
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: February 14, 2012
    Assignee: Siltron, Inc.
    Inventors: Hyon-Jong Cho, Seung-Ho Shin, Ji-Hun Moon, Hong-Woo Lee, Young-Ho Hong