Patents by Inventor Sang Dae Lee

Sang Dae 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: 8842751
    Abstract: An apparatus method of estimating a channel in a wireless communication system are provided. The method includes determining channel estimation values of pilot tones, selecting data tones to which a first estimation scheme is applied, according to frequency selectivity and time-axis variance of the channel, determining channel estimation values of the selected data tones according to the first estimation scheme by using the channel estimation values of the pilot tones, and determining channel estimation values of the remaining data tones according to a second estimation scheme by using the channel estimation values of the pilot tones and the channel estimation values determined by the first estimation scheme.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: September 23, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Sang-Dae Lee
  • Patent number: 8550646
    Abstract: A backlight unit capable of preventing a degradation in luminance, while achieving a reduction in heat generation and a reduction in manufacturing costs by adjusting the arrangement of the light sources while reducing the number of the light sources is disclosed. The disclosed backlight unit includes a bottom cover formed with a plurality of light source groups each including a plurality of light sources arranged in one direction. The spacing of the adjacent light source groups increases gradually from a central portion of the bottom cover to opposite edges of the bottom cover.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: October 8, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Oh Sang Kwon, Sang Dae Lee, Moon Sik Kang
  • Publication number: 20130258251
    Abstract: A backlight assembly is disclosed that is capable of enabling easy narrow bezel design and easily radiating heat generated from a light source, and a liquid crystal display device using the same. The backlight assembly includes a bottom cover, a light guide plate placed on the bottom cover, a printed circuit board having an L-shaped form and attached to a bottom surface and inner lateral surface of the bottom cover, and a plurality of Light Emitting Diode (LED) packages being mounted to the printed circuit board, wherein the printed circuit board includes a single metal layer having the L-shaped form and attached to the bottom surface and the inner lateral surface of the bottom cover; and a Resin Coated Copper (RCC) film attached to an inner lateral surface of the single metal layer.
    Type: Application
    Filed: September 26, 2012
    Publication date: October 3, 2013
    Applicant: LG Display Co., Ltd.
    Inventors: Sang Dae Lee, Kyeong Kun Jang, Min Su Cho, Young Mee Kim
  • Patent number: 8305516
    Abstract: Disclosed is a liquid crystal display (LCD) device capable of improving a use efficiency of light emitting diode (LED) printed circuit boards (PCBs) by configuring the existing plate type LED PCBs in a bar type so as to reduce an area used, the LCD device including, an LCD panel configured to display images, a backlight unit disposed at a lower portion of the LCD panel for providing light to the LCD panel, and provided with a plurality of light emitting diode (LED) printed circuit boards (PCBs) formed in a bar type, and a plurality of LEDs disposed on each of the LED PCBs to be spaced apart from each other, and casing components including a mold frame for receiving and fixing the LCD panel and the backlight unit, an upper cover and a bottom cover.
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: November 6, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Min-Su Cho, Jae-Ho Lee, Sang-Dae Lee
  • Patent number: 8288386
    Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: October 16, 2012
    Assignee: LG Life Sciences Ltd.
    Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
  • Patent number: 8236955
    Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.
    Type: Grant
    Filed: June 13, 2011
    Date of Patent: August 7, 2012
    Assignee: LG Life Sciences Ltd.
    Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
  • Patent number: 8183243
    Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.
    Type: Grant
    Filed: June 13, 2011
    Date of Patent: May 22, 2012
    Assignee: LG Life Sciences Ltd.
    Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
  • Patent number: 8039622
    Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: October 18, 2011
    Assignee: LG Life Sciences Ltd.
    Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, Dong Sup Shim, Soo Yong Chung
  • Publication number: 20110249773
    Abstract: An apparatus method of estimating a channel in a wireless communication system are provided. The method includes determining channel estimation values of pilot tones, selecting data tones to which a first estimation scheme is applied, according to frequency selectivity and time-axis variance of the channel, determining channel estimation values of the selected data tones according to the first estimation scheme by using the channel estimation values of the pilot tones, and determining channel estimation values of the remaining data tones according to a second estimation scheme by using the channel estimation values of the pilot tones and the channel estimation values determined by the first estimation scheme.
    Type: Application
    Filed: March 17, 2011
    Publication date: October 13, 2011
    Applicant: SAMSUNG ELECTRONICS CO. LTD.
    Inventor: Sang-Dae LEE
  • Publication number: 20110245500
    Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.
    Type: Application
    Filed: June 13, 2011
    Publication date: October 6, 2011
    Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
  • Publication number: 20110237795
    Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.
    Type: Application
    Filed: June 13, 2011
    Publication date: September 29, 2011
    Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
  • Publication number: 20110224219
    Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.
    Type: Application
    Filed: November 10, 2009
    Publication date: September 15, 2011
    Applicant: LG LIFE SCIENCES LTD.
    Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
  • Patent number: 7922368
    Abstract: A liquid crystal display device may include a backlight unit for providing light for the display. A backlight unit may include light modules. The light modules include colored LEDs surrounded by a first lens for refracting the light from the LEDs. A second lens surrounds the first lens for further refraction of the light to improve brightness and the uniformity of the light.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: April 12, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Jae Bum Kim, Jae Kyung Kang, Sung Keun Lee, Jae Jin Kim, Hyung Dong Kim, Sang Dae Lee
  • Patent number: 7879852
    Abstract: The present invention relates to a compound of the following formula 1, pharmaceutically acceptable salt and isomer thereof effective as agonist of melanocortin receptor, and an agonistic composition of melanocortin receptor comprising the same as active ingredient.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: February 1, 2011
    Assignee: LG Life Sciences Ltd.
    Inventors: Sung Pil Choi, In Ae Ahn, Sang Hyup Lee, Sang Dae Lee, Mi Sook Shin, Koo Lee, Deog Young Choi, Dong Sup Shim, Hyeon Joo Yim, Min Kyung Yoon, Soo Yong Chung, Jung Ae Lee, Yong Hwa Ha, Young Kwan Kim, Oeuk Park, Hyun Min Lee, Youn Hoa Kim
  • Publication number: 20100165240
    Abstract: Disclosed is a liquid crystal display (LCD) device capable of improving a use efficiency of light emitting diode (LED) printed circuit boards (PCBs) by configuring the existing plate type LED PCBs in a bar type so as to reduce an area used, the LCD device including, an LCD panel configured to display images, a backlight unit disposed at a lower portion of the LCD panel for providing light to the LCD panel, and provided with a plurality of light emitting diode (LED) printed circuit boards (PCBs) formed in a bar type, and a plurality of LEDs disposed on each of the LED PCBs to be spaced apart from each other, and casing components including a mold frame for receiving and fixing the LCD panel and the backlight unit, an upper cover and a bottom cover.
    Type: Application
    Filed: August 6, 2009
    Publication date: July 1, 2010
    Inventors: Min-Su CHO, Jae-Ho LEE, Sang-Dae LEE
  • Publication number: 20100120783
    Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.
    Type: Application
    Filed: November 10, 2009
    Publication date: May 13, 2010
    Applicant: LG LIFE SCIENCE LTD.
    Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
  • Patent number: 7639151
    Abstract: The present invention is related to a liquid blocking apparatus and a system thereof, wherein if the liquid contained in an IV bag or a liquid tank is oozed out completely, the flow of liquid is blocked, the alarm lamp is turned on, the alarm sound is generated, and then the supply of liquid is maintained for a predetermined time.
    Type: Grant
    Filed: February 9, 2006
    Date of Patent: December 29, 2009
    Inventor: Sang-dae Lee
  • Publication number: 20090298829
    Abstract: The present invention relates to a compound of the following formula 1, pharmaceutically acceptable salt and isomer thereof effective as agonist of melanocortin receptor, and an agonistic composition of melanocortin receptor comprising the same as active ingredient.
    Type: Application
    Filed: July 13, 2007
    Publication date: December 3, 2009
    Inventors: Sung Pil Choi, In Ae Ahn, Sang Hyup Lee, Sang Dae Lee, Mi Sook Shin, Koo Lee, Deog Young Choi, Dong Sup Shim, Hyeon Joo Yim, Min Kyung Yoon, Soo Yong Chung, Jung Ae Lee, Yong Hwa Ha, Young Kwan Kim, Oeuk Park, Hyun Min Lee, Youn Hoa Kim
  • Publication number: 20090168401
    Abstract: A backlight unit capable of preventing a degradation in luminance, while achieving a reduction in heat generation and a reduction in manufacturing costs by adjusting the arrangement of the light sources while reducing the number of the light sources is disclosed. The disclosed backlight unit includes a bottom cover formed with a plurality of light source groups each including a plurality of light sources arranged in one direction. The spacing of the adjacent light source groups increases gradually from a central portion of the bottom cover to opposite edges of the bottom cover.
    Type: Application
    Filed: November 7, 2008
    Publication date: July 2, 2009
    Inventors: Oh Sang KWON, Sang Dae Lee, Moon Sik Kang
  • Publication number: 20090121885
    Abstract: The present invention is related to a liquid blocking apparatus and a system thereof, wherein if the liquid contained in an IV bag or a liquid tank is oozed out completely, the flow of liquid is blocked, the alarm lamp is turned on, the alarm sound is generated, and then the supply of liquid is maintained for a predetermined time.
    Type: Application
    Filed: February 9, 2006
    Publication date: May 14, 2009
    Inventor: Sang-dae Lee