Patents by Inventor Lambert Johannes STIL

Lambert Johannes STIL 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 device
    Patent number: 10928032
    Abstract: A light emitting device (1) comprising a plurality of volume emitting LEDs (21-29) adapted for, in operation, emitting light, a substrate (3) on which said plurality of volume emitting LEDs is arranged, and an optical structure (4) comprising a surface (41) adapted for forming a light exit surface of the light emitting device, a first section (5) arranged such as to extend over said plurality of volume emitting LEDs opposite to the substrate, and a second section (6) comprising a plurality of light redirecting elements (61-68) adapted for redirecting light emitted by the plurality of volume emitting LEDs towards said surface of the optical structure by means of total internal reflection (TIR), the plurality of light redirecting elements (61-68) extending between adjacent volume emitting LEDs of the plurality of volume emitting LEDs and terminating adjacent to the substrate (3).
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: February 23, 2021
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Michel Cornelis Josephus Marie Vissenberg, Jan De Graaf, Grigory Alexandrovich Onushkin, Lambert Johannes Stil
  • A LIGHT EMITTING DEVICE
    Publication number: 20190137072
    Abstract: A light emitting device (1) comprising a plurality of volume emitting LEDs (21-29) adapted for, in operation, emitting light, a substrate (3) on which said plurality of volume emitting LEDs is arranged, and an optical structure (4) comprising a surface (41) adapted for forming a light exit surface of the light emitting device, a first section (5) arranged such as to extend over said plurality of volume emitting LEDs opposite to the substrate, and a second section (6) comprising a plurality of light redirecting elements (61-68) adapted for redirecting light emitted by the plurality of volume emitting LEDs towards said surface of the optical structure by means of total internal reflection (TIR), the plurality of light redirecting elements (61-68) extending between adjacent volume emitting LEDs of the plurality of volume emitting LEDs and terminating adjacent to the substrate (3).
    Type: Application
    Filed: April 25, 2017
    Publication date: May 9, 2019
    Inventors: Michel Cornelis Josephus Marie VISSENBERG, Jan DE GRAAF, Grigory Alexandrovich ONUSHKIN, Lambert Johannes STIL