Patents by Inventor AnNa Han

AnNa Han 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).

  • Optical film and lighting device
    Patent number: 8727577
    Abstract: An optical film is provided herein which may include a base film including a material having optical transmittance and a thermal resistance, a matrix layer disposed on the base film and including a fluorescent material, and a viscous layer disposed on the matrix layer including a material having adhesive property, wherein the viscous layer may have a prescribed thickness.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: May 20, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Young Joo Ahn, Jongchan Park, Young Jin Kim, AnNa Han
  • OPTICAL FILM AND LIGHTING DEVICE
    Publication number: 20130314895
    Abstract: An optical film is provided herein which may include a base film including a material having optical transmittance and a thermal resistance, a matrix layer disposed on the base film and including a fluorescent material, and a viscous layer disposed on the matrix layer including a material having adhesive property, wherein the viscous layer may have a prescribed thickness.
    Type: Application
    Filed: August 1, 2013
    Publication date: November 28, 2013
    Applicant: LG Innotek Co., Ltd.
    Inventors: Young Joo AHN, Jongchan Park, Young Jin Kim, AnNa Han
  • Optical film and light emitting device using the same
    Patent number: 8517552
    Abstract: The optical film may include a base film including a material having optical transmittance and a thermal resistance, a matrix layer disposed on the base film which may include a fluorescent material, and a protective layer disposed on the matrix layer and which may include a material having adhesive property.
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: August 27, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventors: Young Joo Ahn, Jongchan Park, Young Jin Kim, AnNa Han
  • OPTICAL FILM AND LIGHT EMITTING DEVICE USING THE SAME
    Publication number: 20110090670
    Abstract: Disclosed is an optical film. The optical film includes: a base film including a material having optical transmittance and a thermal resistance; a matrix layer disposed on the base film and comprising a fluorescent material; and a protective layer disposed on the matrix layer and including a material having adhesive property.
    Type: Application
    Filed: October 18, 2010
    Publication date: April 21, 2011
    Inventors: Young Joo AHN, Jongchan Park, Young Jin Kim, AnNa Han