Patents by Inventor Kongyi Wu

Kongyi Wu 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).

  • Lens for LED illumination
    Patent number: 9500323
    Abstract: A lens may include a light incident surface, a first light emergent surface and side surfaces joining the light incident surface and the first light emergent surface. The light incident surface defines a space for accommodating light sources. The side surface includes at least one total-internal reflection surface and at least one second light emergent surface, a first part of light passing through the light incident surface is refracted by the first light emergent surface and emerges to generate first emergent light, a second part of light passing through the light incident surface is reflected by the total-internal reflection surfaces to the first light emergent surface and is refracted by the first light emergent surface and emerges to generate second light emergent light, and a third part of light passing through the light incident surface is refracted by the second light emergent surfaces and emerges to generate third emergent light.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: November 22, 2016
    Assignee: Osram GmbH
    Inventors: Kongyi Wu, Qihui Zhang, HongWei Zhang, Yusheng Ming
  • LENS FOR LED ILLUMINATION
    Publication number: 20150276146
    Abstract: A lens may include a light incident surface, a first light emergent surface and side surfaces joining the light incident surface and the first light emergent surface. The light incident surface defines a space for accommodating light sources. The side surface includes at least one total-internal reflection surface and at least one second light emergent surface, a first part of light passing through the light incident surface is refracted by the first light emergent surface and emerges to generate first emergent light, a second part of light passing through the light incident surface is reflected by the total-internal reflection surfaces to the first light emergent surface and is refracted by the first light emergent surface and emerges to generate second light emergent light, and a third part of light passing through the light incident surface is refracted by the second light emergent surfaces and emerges to generate third emergent light.
    Type: Application
    Filed: June 28, 2013
    Publication date: October 1, 2015
    Inventors: Kongyi Wu, Qihui Zhang, HongWei Zhang, Yusheng Ming