Patents by Inventor Dong-Kug Yu

Dong-Kug Yu 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: 8982299
    Abstract: Disclosed herein are a backlight unit and a display device. The backlight unit includes a bottom cover, a light emitting device module disposed at the lower portion of the inside of the bottom cover, a light guide plate disposed adjacent to the light emitting device module and disposed in front of the bottom cover, at least one optical sheet and a reflective sheet disposed adjacent to the light guide plate, recesses, each of which is disposed with one opened side, disposed at the edges of at least one of the light guide plate, the reflective sheet and the at least one optical sheet, and protrusions disposed at one side of the bottom cover disposed with the light emitting device module so as to be inserted into the recesses of the at least one of the light guide plate, the reflective sheet and the at least one optical sheet.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: March 17, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventors: Dong Kug Yu, Sung Yong Park, Young Bae Jang
  • Patent number: 8757844
    Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover, a light emitting module arranged in a predetermined area of the bottom cover, a reflective sheet provided on the bottom cover, the reflective sheet spaced apart a predetermined distance from the bottom cover, a plurality of first heat radiating members provided between the reflective sheet and the bottom cover, the plurality of the first heat radiating members spaced apart a predetermined distance from each other, a second heat radiating member arranged between the light emitting module and the first heat radiating members, and a projected part located in the second heat radiating member below the reflective sheet, the projected part supporting the reflective sheet to locate the reflective sheet spaced apart a predetermined distance from the first heat radiating members.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: June 24, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Dong Kug Yu, Sung Yong Park, Young Bae Jang
  • Patent number: 8668364
    Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover, a light emitting module arranged in a predetermined area of the bottom cover, a reflective sheet provided on the bottom cover, the reflective sheet spaced apart a predetermined distance from the bottom cover, a plurality of first heat radiating members provided between the reflective sheet and the bottom cover, the plurality of the first heat radiating members spaced apart a predetermined distance from each other, a second heat radiating member arranged between the light emitting module and the first heat radiating members, and a projected part located in the second heat radiating member below the reflective sheet, the projected part supporting the reflective sheet to locate the reflective sheet spaced apart a predetermined distance from the first heat radiating members.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: March 11, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Dong Kug Yu, Sung Yong Park, Young Bae Jang
  • Patent number: 8636374
    Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover; a light emitting module arranged in the bottom cover; a first heat sink arranged to an outside of the bottom cover; and a second heat sink arranged in the bottom cover, the second heat sink located between the light emitting module and the first heat sink.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: January 28, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Dong Kug Yu, Sung Yong Park, Young Bae Jang
  • Publication number: 20140003088
    Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover, a light emitting module arranged in a predetermined area of the bottom cover, a reflective sheet provided on the bottom cover, the reflective sheet spaced apart a predetermined distance from the bottom cover, a plurality of first heat radiating members provided between the reflective sheet and the bottom cover, the plurality of the first heat radiating members spaced apart a predetermined distance from each other, a second heat radiating member arranged between the light emitting module and the first heat radiating members, and a projected part located in the second heat radiating member below the reflective sheet, the projected part supporting the reflective sheet to locate the reflective sheet spaced apart a predetermined distance from the first heat radiating members.
    Type: Application
    Filed: September 6, 2013
    Publication date: January 2, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Dong Kug YU, Sung Yong PARK, Young Bae JANG
  • Publication number: 20140003089
    Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover, a light emitting module arranged in a predetermined area of the bottom cover, a reflective sheet provided on the bottom cover, the reflective sheet spaced apart a predetermined distance from the bottom cover, a plurality of first heat radiating members provided between the reflective sheet and the bottom cover, the plurality of the first heat radiating members spaced apart a predetermined distance from each other, a second heat radiating member arranged between the light emitting module and the first heat radiating members, and a projected part located in the second heat radiating member below the reflective sheet, the projected part supporting the reflective sheet to locate the reflective sheet spaced apart a predetermined distance from the first heat radiating members.
    Type: Application
    Filed: September 6, 2013
    Publication date: January 2, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Dong Kug YU, Sung Yong PARK, Young Bae JANG
  • Patent number: 8616752
    Abstract: A backlight unit includes a bottom cover, a first heat sink portion disposed on the bottom cover, a second heat sink portion extended upward with respect to the first heat sink portion, and at least a portion of a light emission module placed in at least one recess or at least one hole of the first heat sink portion, and the light emission module disposed on the second heat sink portion.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: December 31, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventor: Dong Kug Yu
  • Patent number: 8550665
    Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover, a light emitting module arranged in a predetermined area of the bottom cover, a reflective sheet provided on the bottom cover, the reflective sheet spaced apart a predetermined distance from the bottom cover, a plurality of first heat radiating members provided between the reflective sheet and the bottom cover, the plurality of the first heat radiating members spaced apart a predetermined distance from each other, a second heat radiating member arranged between the light emitting module and the first heat radiating members, and a projected part located in the second heat radiating member below the reflective sheet, the projected part supporting the reflective sheet to locate the reflective sheet spaced apart a predetermined distance from the first heat radiating members.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: October 8, 2013
    Assignee: LG Innotex Co., Ltd.
    Inventors: Dong Kug Yu, Sung Yong Park, Young Bae Jang
  • Publication number: 20120008337
    Abstract: A backlight unit includes a bottom cover, a first heat sink portion disposed on the bottom cover, a second heat sink portion extended upward with respect to the first heat sink portion, and at least a portion of a light emission module placed in at least one recess or at least one hole of the first heat sink portion, and the light emission module disposed on the second heat sink portion.
    Type: Application
    Filed: June 30, 2011
    Publication date: January 12, 2012
    Inventor: Dong Kug YU
  • Publication number: 20110305039
    Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover; a light emitting module arranged in the bottom cover; a first heat sink arranged to an outside of the bottom cover; and a second heat sink arranged in the bottom cover, the second heat sink located between the light emitting module and the first heat sink.
    Type: Application
    Filed: June 10, 2011
    Publication date: December 15, 2011
    Inventors: Dong Kug YU, Sung Yong PARK, Young Bae JANG
  • Publication number: 20110292320
    Abstract: Disclosed herein are a backlight unit and a display device. The backlight unit includes a bottom cover, a light emitting device module disposed at the lower portion of the inside of the bottom cover, a light guide plate disposed adjacent to the light emitting device module and disposed in front of the bottom cover, at least one optical sheet and a reflective sheet disposed adjacent to the light guide plate, recesses, each of which is disposed with one opened side, disposed at the edges of at least one of the light guide plate, the reflective sheet and the at least one optical sheet, and protrusions disposed at one side of the bottom cover disposed with the light emitting device module so as to be inserted into the recesses of the at least one of the light guide plate, the reflective sheet and the at least one optical sheet.
    Type: Application
    Filed: May 24, 2011
    Publication date: December 1, 2011
    Inventors: Dong Kug YU, Sung Yong Park, Young Bae Jang
  • Publication number: 20110292682
    Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover, a light emitting module arranged in a predetermined area of the bottom cover, a reflective sheet provided on the bottom cover, the reflective sheet spaced apart a predetermined distance from the bottom cover, a plurality of first heat radiating members provided between the reflective sheet and the bottom cover, the plurality of the first heat radiating members spaced apart a predetermined distance from each other, a second heat radiating member arranged between the light emitting module and the first heat radiating members, and a projected part located in the second heat radiating member below the reflective sheet, the projected part supporting the reflective sheet to locate the reflective sheet spaced apart a predetermined distance from the first heat radiating members.
    Type: Application
    Filed: May 24, 2011
    Publication date: December 1, 2011
    Inventors: Dong Kug YU, Sung Yong Park, Young Bae Jang
  • Patent number: 6883338
    Abstract: An apparatus and a method is provided for displaying a power-off state of a refrigerator having plural chambers. When a user turns off at least one of the plurality of chambers of the refrigerator, a power-off state display apparatus of the refrigerator displays “OFF” characters on a display unit, thus confirming that a particular chamber has been turned off. The power-off state display apparatus includes a signal generating unit for generating a power-off signal when a user turns off at least one of the plurality of chambers, and a display unit for displaying the power-off state after receiving the power-off signal.
    Type: Grant
    Filed: May 7, 2002
    Date of Patent: April 26, 2005
    Assignee: LG Electronics Inc.
    Inventor: Dong-Kug Yu
  • Publication number: 20020166329
    Abstract: In an apparatus and a method for displaying a power-off state of a refrigerator having plural chambers when a user turns off at least one of plural chambers installed to the refrigerator, a power-off state display apparatus of a refrigerator includes a signal generating unit for generating a power-off signal when a user turns off at least one of plural chambers installed to a refrigerator; and a display unit for displaying a power-off state after receiving the power-off signal.
    Type: Application
    Filed: May 7, 2002
    Publication date: November 14, 2002
    Applicant: LG ELECTRONICS INC.
    Inventor: Dong-Kug Yu