Patents by Inventor Du-Ho Jo

Du-Ho Jo 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: 9645302
    Abstract: A backlight unit includes a light source providing a blue light; a light guide plate of glass at a side of the light source; an optical sheet on the light guide plate; a reflective sheet under the light guide plate; and an optic change part including a yellow fluorescent material, wherein the blue light is changed into a white light by the optical change part.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: May 9, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Seok-Hwan Oh, Young-Min Kweon, Du-Ho Jo
  • Patent number: 9304245
    Abstract: Disclosed is a display device having a slim and narrow structure. The display device comprises a liquid crystal panel; a light source for providing light to the liquid crystal panel; a light guide of a glass material, wherein the light source is combined with one side of the light guide; a reflector formed on at least one of both surfaces of the light guide; and an adhesive member formed on one surface of the light guide confronting the liquid crystal panel, and provided to attach the liquid crystal panel and the light guide to each other.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: April 5, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Young Min Kweon, Young Nam Lee, Chang Soo Jang, Du-Ho Jo
  • Publication number: 20150131028
    Abstract: A backlight unit includes a light source providing a blue light; a light guide plate of glass at a side of the light source; an optical sheet on the light guide plate; a reflective sheet under the light guide plate; and an optic change part including a yellow fluorescent material, wherein the blue light is changed into a white light by the optical change part.
    Type: Application
    Filed: November 7, 2014
    Publication date: May 14, 2015
    Inventors: Seok-Hwan Oh, Young-Min Kweon, Du-Ho Jo
  • Publication number: 20140320784
    Abstract: Disclosed is a display device having a slim and narrow structure. The display device comprises a liquid crystal panel; a light source for providing light to the liquid crystal panel; a light guide of a glass material, wherein the light source is combined with one side of the light guide; a reflector formed on at least one of both surfaces of the light guide; and an adhesive member formed on one surface of the light guide confronting the liquid crystal panel, and provided to attach the liquid crystal panel and the light guide to each other.
    Type: Application
    Filed: December 30, 2013
    Publication date: October 30, 2014
    Applicant: LG Display Co., Ltd.
    Inventors: Young Min Kweon, Young Nam Lee, Chang Soo Jang, Du-Ho Jo