Patents by Inventor Gyu Hyeong Bak

Gyu Hyeong Bak 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: 8823048
    Abstract: Provided is a light emitting apparatus. The light emitting apparatus includes a substrate; a light emitting device on the substrate; a fluorescent layer formed on the substrate and the light emitting device to surround the light emitting device; an encapsulant resin layer formed on the substrate and the fluorescent layer to surround the fluorescent layer; and a lens disposed on the light emitting device and supported by the substrate, wherein the lens includes a lens body having a first recess formed at a center of a top surface of the lens body and a second recess formed at a center of a bottom surface of the lens body, and a lens supporter provided at the bottom surface of the lens body to support the lens body such that the lens body is spaced apart from the substrate.
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: September 2, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Sang Won Lee, Gyu Hyeong Bak
  • Patent number: 8616729
    Abstract: Provided is a lens. The lens includes a lens body including a convex top surface having a first recessed part at a central portion thereof and a flat surface at a circumference thereof and a flat bottom surface having a second recessed part at a central portion thereof; and a plurality of lens supports on the bottom surface of the lens body, wherein a ratio of a maximum depth (a) of the first recessed part, from the top surface of the lens body to a bottom surface of the first recessed part, to a maximum thickness (h) of the lens body, from the top surface of the lens body to the bottom surface of the lens body, ranges from 0.06 to 0.1.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: December 31, 2013
    Assignee: LG Electronics Inc.
    Inventor: Gyu Hyeong Bak
  • Patent number: 8506122
    Abstract: Provided is a light emitting apparatus. The light emitting apparatus comprises a substrate; a light emitting device package on the substrate; and a lens supported by the substrate, the lens being disposed on the light emitting device package, wherein the lens comprises a lens body having a first recess at a central portion of a top surface thereof, a second recess at a central portion of a bottom surface thereof, and a lens support disposed on the bottom surface of the lens body to support the lens body such that the bottom surface of the lens body is spaced apart from the substrate.
    Type: Grant
    Filed: June 25, 2012
    Date of Patent: August 13, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventors: Gyu Hyeong Bak, Sang Won Lee
  • Publication number: 20130146923
    Abstract: Provided is a light emitting apparatus. The light emitting apparatus includes a substrate; a light emitting device on the substrate; a fluorescent layer formed on the substrate and the light emitting device to surround the light emitting device; an encapsulant resin layer formed on the substrate and the fluorescent layer to surround the fluorescent layer; and a lens disposed on the light emitting device and supported by the substrate, wherein the lens includes a lens body having a first recess formed at a center of a top surface of the lens body and a second recess formed at a center of a bottom surface of the lens body, and a lens supporter provided at the bottom surface of the lens body to support the lens body such that the lens body is spaced apart from the substrate.
    Type: Application
    Filed: February 5, 2013
    Publication date: June 13, 2013
    Inventors: Sang Won LEE, Gyu Hyeong BAK
  • Publication number: 20130121000
    Abstract: Disclosed are a light emitting device and a lighting apparatus having the same. The light emitting device includes a plurality of lead frames, a first body having reflectance, disposed on top surfaces of the lead frames and having an open region at a predetermined region of the top surfaces of the lead frames, a second body having transmittance, having a first opening corresponding to the open region of the first body, and disposed on a top surface of the first body, a light emitting chip on at least one of the lead frames exposed in the first opening of the second body, and a first resin layer disposed in the first opening of the second body to cover the light emitting chip.
    Type: Application
    Filed: November 9, 2012
    Publication date: May 16, 2013
    Inventors: Song Eun LEE, Gyu Hyeong Bak, Bong Kul Min
  • Publication number: 20130107544
    Abstract: Provided is a lens. The lens includes a lens body including a convex top surface having a first recessed part at a central portion thereof and a flat surface at a circumference thereof and a flat bottom surface having a second recessed part at a central portion thereof; and a plurality of lens supports on the bottom surface of the lens body, wherein a ratio of a maximum depth (a) of the first recessed part, from the top surface of the lens body to a bottom surface of the first recessed part, to a maximum thickness (h) of the lens body, from the top surface of the lens body to the bottom surface of the lens body, ranges from 0.06 to 0.1.
    Type: Application
    Filed: December 19, 2012
    Publication date: May 2, 2013
    Inventor: Gyu Hyeong BAK
  • Patent number: 8395183
    Abstract: Provided is a light emitting apparatus. The light emitting apparatus includes a substrate; a light emitting device on the substrate; a fluorescent layer formed on the substrate and the light emitting device to surround the light emitting device; an encapsulant resin layer formed on the substrate and the fluorescent layer to surround the fluorescent layer; and a lens disposed on the light emitting device and supported by the substrate, wherein the lens includes a lens body having a first recess formed at a center of a top surface of the lens body and a second recess formed at a center of a bottom surface of the lens body, and a lens supporter provided at the bottom surface of the lens body to support the lens body such that the lens body is spaced apart from the substrate.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: March 12, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventors: Sang Won Lee, Gyu Hyeong Bak
  • Publication number: 20120305976
    Abstract: A light emitting device package is disclosed. The light emitting device package includes a body, first and second lead frames disposed on the body, and a light emitting device connected to the first and second lead frames, wherein at least one of the first and second lead frames includes first and second regions having different thicknesses.
    Type: Application
    Filed: May 29, 2012
    Publication date: December 6, 2012
    Inventors: Gyu Hyeong Bak, Myoung Kyo Kim, Tae Uk Ha, Kyung Min Je
  • Publication number: 20120262905
    Abstract: Provided is a light emitting apparatus. The light emitting apparatus comprises a substrate; a light emitting device package on the substrate; and a lens supported by the substrate, the lens being disposed on the light emitting device package, wherein the lens comprises a lens body having a first recess at a central portion of a top surface thereof, a second recess at a central portion of a bottom surface thereof, and a lens support disposed on the bottom surface of the lens body to support the lens body such that the bottom surface of the lens body is spaced apart from the substrate.
    Type: Application
    Filed: June 25, 2012
    Publication date: October 18, 2012
    Inventors: Gyu Hyeong BAK, Sang Won Lee
  • Patent number: 8213093
    Abstract: Provided is a lens. The lens may include a lens body having a convex top surface having a first recessed part at a central portion thereof and a flat surface at a circumference thereof and a flat bottom surface having a second recessed part at a central portion thereof, and a plurality of lens supports on the bottom surface of the lens body.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: July 3, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventors: Gyu Hyeong Bak, Sang Won Lee
  • Publication number: 20120074434
    Abstract: Disclosed is a light emitting device package, which is free from thermal degradation by preventing reactions between moisture and light or between moisture and heat. The light emitting device package includes a light emitting device, a package body supporting the light emitting device, an electrode provided on the package body and electrically connected to the light emitting device, a filler covering the light emitting device, and a protective layer formed on a surface of the package body at which light and/or heat generated by the light emitting device arrives.
    Type: Application
    Filed: June 15, 2011
    Publication date: March 29, 2012
    Inventors: Jun Seok PARK, Muyng Gi KIM, Gyu Hyeong BAK
  • Publication number: 20120019934
    Abstract: Provided is a lens. The lens may include a lens body having a convex top surface having a first recessed part at a central portion thereof and a flat surface at a circumference thereof and a flat bottom surface having a second recessed part at a central portion thereof, and a plurality of lens supports on the bottom surface of the lens body.
    Type: Application
    Filed: September 23, 2011
    Publication date: January 26, 2012
    Inventors: GYU HYEONG BAK, SANG WON LEE
  • Patent number: 8052307
    Abstract: Provided are a lens and a light emitting apparatus comprising the lens. The light emitting apparatus comprises a substrate, a light emitting device package on the substrate, and a lens supported by the substrate, the lens being disposed on the light emitting device package. The lens comprises a lens body comprising a first recessed part at a central portion of a top surface thereof and a second recessed part at a central portion of a bottom surface thereof and a lens support disposed on the bottom surface of the lens body to support the lens body such that the bottom surface of the lens body is spaced from the substrate.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: November 8, 2011
    Assignee: LG Innotek Co., Ltd.
    Inventors: Gyu Hyeong Bak, Sang Won Lee
  • Publication number: 20110121341
    Abstract: Provided is a light emitting apparatus. The light emitting apparatus includes a substrate; a light emitting device on the substrate; a fluorescent layer formed on the substrate and the light emitting device to surround the light emitting device; an encapsulant resin layer formed on the substrate and the fluorescent layer to surround the fluorescent layer; and a lens disposed on the light emitting device and supported by the substrate, wherein the lens includes a lens body having a first recess formed at a center of a top surface of the lens body and a second recess formed at a center of a bottom surface of the lens body, and a lens supporter provided at the bottom surface of the lens body to support the lens body such that the lens body is spaced apart from the substrate.
    Type: Application
    Filed: November 19, 2010
    Publication date: May 26, 2011
    Inventors: Sang Won LEE, Gyu Hyeong Bak
  • Publication number: 20110116272
    Abstract: Provided are a lens and a light emitting apparatus comprising the lens. The light emitting apparatus comprises a substrate, a light emitting device package on the substrate, and a lens supported by the substrate, the lens being disposed on the light emitting device package. The lens comprises a lens body comprising a first recessed part at a central portion of a top surface thereof and a second recessed part at a central portion of a bottom surface thereof and a lens support disposed on the bottom surface of the lens body to support the lens body such that the bottom surface of the lens body is spaced from the substrate.
    Type: Application
    Filed: September 3, 2010
    Publication date: May 19, 2011
    Applicant: LG Innotek Co., Ltd.
    Inventors: Gyu Hyeong BAK, Sang Won Lee
  • Patent number: D664110
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: July 24, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventors: Bong Kul Min, Gyu Hyeong Bak
  • Patent number: D689029
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: September 3, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventors: Bong Kul Min, Gyu Hyeong Bak
  • Patent number: D689030
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: September 3, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventors: Bong Kul Min, Gyu Hyeong Bak