Patents by Inventor Sunman Kim

Sunman 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: 11966143
    Abstract: The present disclosure relates to a light shutter panel and a transparent display apparatus having the same. The light shutter panel according to the present disclosure comprises: a lower electrode plate; an upper electrode plate facing with the lower electrode plate; a shutter layer disposed between the lower electrode plate and the upper electrode plate, and including a maximum light transmitting portion, a minimum light blocking portion, ink storage portions connecting the maximum light transmitting portion and the minimum light blocking portion, and an electric field guide disposed between the ink storage portions; a plurality of spacers maintaining a gap between the lower electrode plate and the upper electrode plate; and black ink filled into the ink storage portion of the shutter layer.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: April 23, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Youngki Song, SunMan Kim
  • Patent number: 11714217
    Abstract: The present disclosure relates to a light control film having nano (or nano-scale) light absorbing layer and a display using the same. A light control film according to the present disclosure comprises: a lower layer having a first axis and a second axis; an upper layer facing with the lower layer; a middle layer having a thickness disposed between the lower layer and the upper layer; a plurality of nano light absorbing layers arrayed with a predetermined interval along the first axis in the middle layer, each of the nano light absorbing layer having a width along the first axis, a length along the second axis and a height corresponding to the thickness of the middle layer; and a prism pattern disposed between each pair of the nano light absorbing layers.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: August 1, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Youngki Song, SunMan Kim
  • Publication number: 20210382366
    Abstract: The present disclosure relates to a light shutter panel and a transparent display apparatus having the same. The light shutter panel according to the present disclosure comprises: a lower electrode plate; an upper electrode plate facing with the lower electrode plate; a shutter layer disposed between the lower electrode plate and the upper electrode plate, and including a maximum light transmitting portion, a minimum light blocking portion, ink storage portions connecting the maximum light transmitting portion and the minimum light blocking portion, and an electric field guide disposed between the ink storage portions; a plurality of spacers maintaining a gap between the lower electrode plate and the upper electrode plate; and black ink filled into the ink storage portion of the shutter layer.
    Type: Application
    Filed: April 21, 2021
    Publication date: December 9, 2021
    Inventors: Youngki SONG, SunMan KIM
  • Publication number: 20210181385
    Abstract: The present disclosure relates to a light control film having nano (or nano-scale) light absorbing layer and a display using the same. A light control film according to the present disclosure comprises: a lower layer having a first axis and a second axis; an upper layer facing with the lower layer; a middle layer having a thickness disposed between the lower layer and the upper layer; a plurality of nano light absorbing layers arrayed with a predetermined interval along the first axis in the middle layer, each of the nano light absorbing layer having a width along the first axis, a length along the second axis and a height corresponding to the thickness of the middle layer; and a prism pattern disposed between each pair of the nano light absorbing layers.
    Type: Application
    Filed: December 3, 2020
    Publication date: June 17, 2021
    Inventors: Youngki SONG, SunMan KIM
  • Patent number: 8912028
    Abstract: A semiconductor light emitting device, which includes a light transmissive electrode layer formed using a conductive thin film and an insulating thin film to substitute for a transparent electrode layer, comprises a substrate; a first semiconductor layer formed on the substrate; an active layer formed on the first semiconductor layer; a second semiconductor layer formed on the active layer; a light transmissive electrode layer formed on the second semiconductor layer, the light transmissive electrode layer having a structure in which at least one conductive thin film and at least one insulating thin film are deposited; and a first electrode formed on the light transmissive electrode layer, wherein the light transmissve electrode layer includes at least one contact portion for contacting the at least one conductive thin film with the first electrode.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: December 16, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Taeil Jung, YoungChae Kim, SunMan Kim, Yeji Han, Chunghoon Park, Byeong-Kyun Choi, Se-Eun Kang
  • Publication number: 20130043503
    Abstract: A semiconductor light emitting device, which includes a light transmissive electrode layer formed using a conductive thin film and an insulating thin film to substitute for a transparent electrode layer, comprises a substrate; a first semiconductor layer formed on the substrate; an active layer formed on the first semiconductor layer; a second semiconductor layer formed on the active layer; a light transmissive electrode layer formed on the second semiconductor layer, the light transmissive electrode layer having a structure in which at least one conductive thin film and at least one insulating thin film are deposited; and a first electrode formed on the light transmissive electrode layer, wherein the light transmissve electrode layer includes at least one contact portion for contacting the at least one conductive thin film with the first electrode.
    Type: Application
    Filed: December 19, 2011
    Publication date: February 21, 2013
    Inventors: Taeil JUNG, YoungChae Kim, SunMan Kim, Yeji Han, Chunghoon Park, Byeong-Kyun Choi, Se-Eun Kang
  • Patent number: D603109
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: October 27, 2009
    Assignee: Kokos International Trach, Inc.
    Inventor: Sunman Kim