Patents by Inventor Hoyoung Cheon

Hoyoung Cheon 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).

  • Backlight unit and display device using the same
    Patent number: 10156750
    Abstract: Provided are a backlight unit and a display device using the same. The backlight unit includes a main support, in which a sheet ear part of an optical sheet is disposed, having a sheet mounting part and an upper hole, a sheet mounting member for mounting the sheet ear part of the optical sheet and formed with a lower hole, and a sheet fixating mechanism coupled to the main support, the optical sheet, and the sheet mounting member to fix the sheet ear part of the optical sheet to the main support. A narrow bezel may be implemented, an optical sheet may be stably secured even in the narrow bezel, and light leakage may be prevented.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: December 18, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Yongjun Cho, Hoyoung Cheon, Hyunwoo Cho, Chanwook Choi, Seongjin Cho
  • Backlight Unit and Display Device Using the Same
    Publication number: 20170343841
    Abstract: Provided are a backlight unit and a display device using the same. The backlight unit includes a main support, in which a sheet ear part of an optical sheet is disposed, having a sheet mounting part and an upper hole, a sheet mounting member for mounting the sheet ear part of the optical sheet and formed with a lower hole, and a sheet fixating mechanism coupled to the main support, the optical sheet, and the sheet mounting member to fix the sheet ear part of the optical sheet to the main support. A narrow bezel may be implemented, an optical sheet may be stably secured even in the narrow bezel, and light leakage may be prevented.
    Type: Application
    Filed: May 30, 2017
    Publication date: November 30, 2017
    Inventors: Yongjun CHO, Hoyoung CHEON, Hyunwoo CHO, Chanwook CHOI, Seongjin CHO
  • Liquid crystal display device and backlight unit
    Patent number: 8400582
    Abstract: Disclosed is a liquid crystal display including a liquid crystal panel, a light guide plate that transfers light from a light source to the liquid crystal panel and has a pattern formed on a base surface, a reflection plate that is positioned under the light guide plate and seated on a bottom cover, and a diffusing plate that is positioned between the light guide plate and the reflection plate and has a protection layer formed on a surface to face the light guide plate and a diffusing layer formed on the other surface to face the reflection plate.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: March 19, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Youngmin Kweon, Hoyoung Cheon
  • LIQUID CRYSTAL DISPLAY DEVICE AND BACKLIGHT UNIT
    Publication number: 20110075069
    Abstract: Disclosed is a liquid crystal display including a liquid crystal panel, a light guide plate that transfers light from a light source to the liquid crystal panel and has a pattern formed on a base surface, a reflection plate that is positioned under the light guide plate and seated on a bottom cover, and a diffusing plate that is positioned between the light guide plate and the reflection plate and has a protection layer formed on a surface to face the light guide plate and a diffusing layer formed on the other surface to face the reflection plate.
    Type: Application
    Filed: September 27, 2010
    Publication date: March 31, 2011
    Inventors: Youngmin Kweon, Hoyoung Cheon