Patents by Inventor Bang Gun Kim

Bang Gun Kim 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: 9739933
    Abstract: A backlight unit is disclosed. The backlight unit includes a light emitting device to emit light, an optical member to guide the light emitted from the light emitting device, a bottom chassis disposed on a rear surface of the optical member so as to support the optical member, a supporting member coming into partial contact with the bottom chassis so as to support a module including the light emitting device and a shock-absorbing member disposed between the rear surface of the optical member and the bottom chassis.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: August 22, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Bang Gun Kim, Jung Ho Lee
  • Patent number: 9453959
    Abstract: Provided is a backlight unit, which includes at least one supporter, at least one light guide panel, and at least one light emitting module. The supporter includes a recess stepped at a lower height than that of a first region of an upper surface. The light guide panel is disposed on the supporter and is coupled to the supporter. The light emitting module is disposed in the recess of the supporter and provides light through a side surface of the light guide panel.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: September 27, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Bang Gun Kim, Moon Jeong Kim, Sung Young Park
  • Patent number: 9069110
    Abstract: A backlight unit according to an embodiment includes: a plurality of optical assemblies each including a light source generating light, a light guide plate having a first part through which light travels inside and a second part diffusing upward the light traveling inside through the first part; and a diffusion pattern selectively disposed at the portions corresponding to interfaces between the light guide plates on the optical assemblies.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: June 30, 2015
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Kum Tae Lee, Kyung Min Koh, Min Sang Kim, Bang gun Kim, Nam Seok Oh, Tae jin Kim
  • Publication number: 20140347881
    Abstract: A backlight unit is disclosed. The backlight unit includes a light emitting device to emit light, an optical member to guide the light emitted from the light emitting device, a bottom chassis disposed on a rear surface of the optical member so as to support the optical member, a supporting member coming into partial contact with the bottom chassis so as to support a module including the light emitting device and a shock-absorbing member disposed between the rear surface of the optical member and the bottom chassis.
    Type: Application
    Filed: August 8, 2014
    Publication date: November 27, 2014
    Inventors: Bang Gun KIM, Jung Ho LEE
  • Patent number: 8817203
    Abstract: Provided is a backlight unit including, a bracket on which a light emitting device array is disposed, and a bottom cover on which the bracket is disposed, the bottom cover supporting an optical member, wherein a fixing member to removably fix is provided on the bottom cover, the side and top of the fixing member are flat and the cross-sectional area of a lower part of the fixing member is equal to or less than the cross-sectional area of an upper part of the fixing member.
    Type: Grant
    Filed: June 13, 2011
    Date of Patent: August 26, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Hae Hyung Lee, Bang Gun Kim
  • Patent number: 8675152
    Abstract: Provided is a liquid crystal display device. The liquid crystal display device comprises a liquid crystal panel, a backlight unit, and a driving unit. The liquid crystal panel comprises a plurality of display areas defined therein. The backlight unit is disposed under the liquid crystal panel. The backlight unit comprises a plurality of light emitting areas corresponding to the respective display areas defined therein. The driving unit controls intensity of light emitted from the light emitting areas. Here, the backlight unit comprises light guide plates disposed in two or more light emitting areas.
    Type: Grant
    Filed: June 16, 2009
    Date of Patent: March 18, 2014
    Inventors: Moon Jeong Kim, Bang gun Kim
  • Patent number: 8269920
    Abstract: A backlight unit is disclosed. The backlight unit includes a light emitting device, a light guide plate to guide light irradiated from the light emitting device, an optical sheet disposed on a front surface of the light guide plate, a bottom chassis disposed below the light guide plate, a mold frame disposed on a front surface of the optical sheet, and an anti-contact protrusion disposed at the bottom chassis so as to come into contact with the mold frame, thereby allowing the mold frame to be spaced apart from the light guide plate and the front surface of the optical sheet.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: September 18, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventors: Jung Ho Lee, Bang Gun Kim
  • Publication number: 20110304792
    Abstract: Provided is a backlight unit including, a bracket on which a light emitting device array is disposed, and a bottom cover on which the bracket is disposed, the bottom cover supporting an optical member, wherein a fixing member to removably fix is provided on the bottom cover, the side and top of the fixing member are flat and the cross-sectional area of a lower part of the fixing member is equal to or less than the cross-sectional area of an upper part of the fixing member.
    Type: Application
    Filed: June 13, 2011
    Publication date: December 15, 2011
    Inventors: Hae Hyung LEE, Bang Gun Kim
  • Publication number: 20110292317
    Abstract: A backlight unit is disclosed. The backlight unit includes a light emitting device to emit light, an optical member to guide the light emitted from the light emitting device, a bottom chassis disposed on a rear surface of the optical member so as to support the optical member, a supporting member coming into partial contact with the bottom chassis so as to support a module including the light emitting device and a shock-absorbing member disposed between the rear surface of the optical member and the bottom chassis.
    Type: Application
    Filed: May 24, 2011
    Publication date: December 1, 2011
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Bang Gun KIM, Jung Ho LEE
  • Publication number: 20110255025
    Abstract: A backlight unit is disclosed. The backlight unit includes a light emitting device, a light guide plate to guide light irradiated from the light emitting device, an optical sheet disposed on a front surface of the light guide plate, a bottom chassis disposed below the light guide plate, a mold frame disposed on a front surface of the optical sheet, and an anti-contact protrusion disposed at the bottom chassis so as to come into contact with the mold frame, thereby allowing the mold frame to be spaced apart from the light guide plate and the front surface of the optical sheet.
    Type: Application
    Filed: May 20, 2011
    Publication date: October 20, 2011
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jung Ho LEE, Bang Gun KIM
  • Publication number: 20110242852
    Abstract: Provided is a backlight unit, which includes at least one supporter, at least one light guide panel, and at least one light emitting module. The supporter includes a recess stepped at a lower height than that of a first region of an upper surface. The light guide panel is disposed on the supporter and is coupled to the supporter. The light emitting module is disposed in the recess of the supporter and provides light through a side surface of the light guide panel.
    Type: Application
    Filed: March 28, 2011
    Publication date: October 6, 2011
    Inventors: Bang Gun KIM, Moon Jeong Kim, Sung Young Park
  • Publication number: 20110051048
    Abstract: A backlight unit according to an embodiment includes: a plurality of light guide panels which incline at a first angle with a uniform thickness, and of which at least one is disposed in a first direction and which are partially overlapped with each other in a second direction perpendicular to the first direction; reflection members disposed under the light guide panels; and a light emitting module unit disposed under the reflection member and providing light to the side of each of the plurality of light guide panels.
    Type: Application
    Filed: August 25, 2010
    Publication date: March 3, 2011
    Inventor: Bang Gun KIM
  • Publication number: 20110026243
    Abstract: A backlight unit according to an embodiment includes: a plurality of optical assemblies each including a light source generating light, a light guide plate having a first part through which light travels inside and a second part diffusing upward the light traveling inside through the first part; and a diffusion pattern selectively disposed at the portions corresponding to interfaces between the light guide plates on the optical assemblies.
    Type: Application
    Filed: July 30, 2010
    Publication date: February 3, 2011
    Inventors: Kum Tae Lee, Kyung Min Koh, Min Sang Kim, Bang gun Kim, Nam Seok Oh, Tae jin Kim