Patents by Inventor Sang-Chul Ryu

Sang-Chul Ryu 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: 9116268
    Abstract: A backlight unit according to an embodiment includes: a light guide plate; a light emitting diode (LED) assembly supplying a light to the light guide plate; and a reflecting plate under the light guide plate, wherein the LED assembly includes: an LED printed circuit board (PCB) disposed at a side of the light guide plate; a plurality of LED chips over the LED PCB, the plurality of LED chips spaced apart from each other; a plurality of first lead frames electrically connecting the LED PCB and the plurality of LED chips; and an LED housing surrounding the plurality of LED chips and the plurality of first lead frames.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: August 25, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hye-In Yun, Koo-Hwa Lee, Sang-Chul Ryu, Jun-Young Park
  • Publication number: 20140176861
    Abstract: A backlight unit according to an embodiment includes: a light guide plate; a light emitting diode (LED) assembly supplying a light to the light guide plate; and a reflecting plate under the light guide plate, wherein the LED assembly includes: an LED printed circuit board (PCB) disposed at a side of the light guide plate; a plurality of LED chips over the LED PCB, the plurality of LED chips spaced apart from each other; a plurality of first lead frames electrically connecting the LED PCB and the plurality of LED chips; and an LED housing surrounding the plurality of LED chips and the plurality of first lead frames.
    Type: Application
    Filed: December 2, 2013
    Publication date: June 26, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hye-In YUN, Koo-Hwa LEE, Sang-Chul RYU, Jun-Young PARK
  • Patent number: 7948599
    Abstract: A liquid crystal display device includes first and second substrates, a black matrix on the second substrate, the black matrix including a plurality of open portions corresponding to pixel regions and a plurality of holes disposed adjacent to the plurality of open portions, color filter layers on the black matrix, and a plurality of patterned spacers corresponding to each of the plurality of holes between the first and the second substrates.
    Type: Grant
    Filed: January 10, 2011
    Date of Patent: May 24, 2011
    Assignee: LG Display Co., Ltd.
    Inventor: Sang-Chul Ryu
  • Publication number: 20110104974
    Abstract: A liquid crystal display device includes first and second substrates, a black matrix on the second substrate, the black matrix including a plurality of open portions corresponding to pixel regions and a plurality of holes disposed adjacent to the plurality of open portions, color filter layers on the black matrix, and a plurality of patterned spacers corresponding to each of the plurality of holes between the first and the second substrates.
    Type: Application
    Filed: January 10, 2011
    Publication date: May 5, 2011
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Sang-Chul Ryu
  • Patent number: 7868992
    Abstract: A liquid crystal display device includes first and second substrates, a black matrix on the second substrate, the black matrix including a plurality of open portions corresponding to pixel regions and a plurality of holes disposed adjacent to the plurality of open portions, color filter layers on the black matrix, and a plurality of patterned spacers corresponding to each of the plurality of holes between the first and the second substrates.
    Type: Grant
    Filed: November 30, 2004
    Date of Patent: January 11, 2011
    Assignee: LG Display Co., Ltd.
    Inventor: Sang-Chul Ryu
  • Publication number: 20080229773
    Abstract: A refrigerator includes: a cabinet which comprises at least one storage compartment formed with an opening at one side thereof; and a door unit which opens and closes the opening, the door unit comprising: a first door which is rotatably attached to the cabinet and opens and closes a partial area of the opening, a second door which is rotatably attached to the first door and opens and closes the remaining area of the opening, and a cool air blocking member which is disposed across a planar surface of one of the first door and the second door and a planar surface of the other of the first door and the second door and prevents cool air from leaking from a gap between the first door and the second door while the door unit is closed.
    Type: Application
    Filed: September 24, 2007
    Publication date: September 25, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong-Wook Lee, Sang-Chul Ryu
  • Patent number: 7283195
    Abstract: A method of fabricating a liquid crystal display device including a liquid crystal layer between a first substrate and a second substrate includes attaching a transfer film onto a surface of one of the substrates, the surface facing the liquid crystal layer, the transfer film including a transfer material layer contacting the surface; transferring portions of the transfer material layer to the surface; and removing the transfer film except the transferred portions of the transfer material layer to form patterned spacers.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: October 16, 2007
    Assignee: LG.Philips LCD Co., Ltd.
    Inventor: Sang-Chul Ryu
  • Patent number: 6998766
    Abstract: A screen composite provided on a face plate of a flat panel display device, said screen composite containing an aluminum layer and a metal layer formed on said aluminum layer for substantially reducing a halation phenomenon.
    Type: Grant
    Filed: May 29, 2003
    Date of Patent: February 14, 2006
    Assignee: LG Philips Displays Korea Co., LTD
    Inventor: Sang-Chul Ryu
  • Publication number: 20050243247
    Abstract: A liquid crystal display device includes first and second substrates, a black matrix on the second substrate, the black matrix including a plurality of open portions corresponding to pixel regions and a plurality of holes disposed adjacent to the plurality of open portions, color filter layers on the black matrix, and a plurality of patterned spacers corresponding to each of the plurality of holes between the first and the second substrates.
    Type: Application
    Filed: November 30, 2004
    Publication date: November 3, 2005
    Inventor: Sang-Chul Ryu
  • Publication number: 20050243266
    Abstract: A method of fabricating a liquid crystal display device including a liquid crystal layer between a first substrate and a second substrate includes attaching a transfer film onto a surface of one of the substrates, the surface facing the liquid crystal layer, the transfer film including a transfer material layer contacting the surface; transferring portions of the transfer material layer to the surface; and removing the transfer film except the transferred portions of the transfer material layer to form patterned spacers.
    Type: Application
    Filed: December 2, 2004
    Publication date: November 3, 2005
    Inventor: Sang-Chul Ryu
  • Publication number: 20030222567
    Abstract: A screen composite provided on a face plate of a flat panel display device, said screen composite containing an aluminum layer and a metal layer formed on said aluminum layer for substantially reducing a halation phenomenon.
    Type: Application
    Filed: May 29, 2003
    Publication date: December 4, 2003
    Inventor: Sang-Chul Ryu