Patents by Inventor Devrim KÖSEOGLU

Devrim KÖSEOGLU 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).

  • Phosphor arrangement and method
    Patent number: 11104845
    Abstract: The present invention provides a phosphor arrangement (30) for light conversion, in particular for conversion of blue light into white light. The phosphor arrangement (30) comprises a substrate (10) with a mounting surface (11). The phosphor arrangement (30) further comprises a polymer (20) with a phosphor mixture (21), wherein the polymer (20) is arranged on the mounting surface (11), and wherein the phosphor mixture (21) comprises metallic nanoparticles (5), and wherein a content of the metallic nanoparticles (5) is between 1.5 to 3.0 mmol/kg of the polymer (20). The present invention further provides a corresponding method.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: August 31, 2021
    Inventors: Devrim Köseoglu, Kadriye Ertekin
  • DISPLAY DEVICE
    Publication number: 20190258116
    Abstract: A display device comprising a light source configured to output light of a first wavelength. The display device has a plurality of display elements comprising a first display element and a second display element. A first photoluminescent material associated with the first display element is located at a first side of a first substrate; and a second photoluminescent material associated with the second display element is located at a second side of the first substrate.
    Type: Application
    Filed: February 21, 2019
    Publication date: August 22, 2019
    Inventors: Hilmi Volkan DEMIR, Emre ÜNAL, Özgün AKYÜZ, Sedat SENGÜL, Kivanç KARSLI, Devrim KÖSEOGLU
  • PHOSPHOR ARRANGEMENT AND METHOD
    Publication number: 20190203112
    Abstract: The present invention provides a phosphor arrangement (30) for light conversion, in particular for conversion of blue light into white light. The phosphor arrangement (30) comprises a substrate (10) with a mounting surface (11). The phosphor arrangement (30) further comprises a polymer (20) with a phosphor mixture (21), wherein the polymer (20) is arranged on the mounting surface (11), and wherein the phosphor mixture (21) comprises metallic nanoparticles (5), and wherein a content of the metallic nanoparticles (5) is between 1.5 to 3.0 mmol/kg of the polymer (20). The present invention further provides a corresponding method.
    Type: Application
    Filed: September 21, 2017
    Publication date: July 4, 2019
    Inventors: Devrim KÖSEOGLU, Kadriye ERTEKIN