Patents by Inventor Gwan-Hoon PARK

Gwan-Hoon PARK 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).

  • Light emitting diode package and liquid crystal display device including the same
    Patent number: 9465251
    Abstract: A light emitting diode package includes: a light emitting diode (LED); and an LED lens over the LED, the LED lens having a symmetrical shape with respect to a central axis, wherein the LED lens includes a lower surface having first and second lower surfaces, an upper surface and a side surface connecting the lower surface and the upper surface, wherein the light through the first lower surface is totally reflected on the upper surface and is emitted though the side surface, wherein the first lower surface includes a first curved surface extending from the central axis and a second curved surface extending from a first end portion of the first curved surface, and wherein the second lower surface is flat and extends from a second end portion of the second curved surface.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: October 11, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Kyu-Hwan Lee, Min-Su Cho, Gwan-Hoon Park, Seo-Yoon Lee, Ji-Seok Yang, Seung-Won Lee
  • LIGHT EMITTING DIODE PACKAGE AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME
    Publication number: 20150116634
    Abstract: A light emitting diode package includes: a light emitting diode (LED); and an LED lens over the LED, the LED lens having a symmetrical shape with respect to a central axis, wherein the LED lens includes a lower surface having first and second lower surfaces, an upper surface and a side surface connecting the lower surface and the upper surface, wherein the light through the first lower surface is totally reflected on the upper surface and is emitted though the side surface, wherein the first lower surface includes a first curved surface extending from the central axis and a second curved surface extending from a first end portion of the first curved surface, and wherein the second lower surface is flat and extends from a second end portion of the second curved surface.
    Type: Application
    Filed: October 24, 2014
    Publication date: April 30, 2015
    Inventors: Kyu-Hwan LEE, Min-Su CHO, Gwan-Hoon PARK, Seo-Yoon LEE, Ji-Seok YANG, Seung-Won LEE