Patents by Inventor Guangwei CHI

Guangwei CHI 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 and illumination device including the lens
    Patent number: 9671088
    Abstract: Various embodiments may relate to a lens for an illumination device, including an incident surface, an emergent surface, and a reflective surface connected between the incident surface and the emergent surface. The lens includes a first axis as an optical axis of the lens, a second axis perpendicular to the first axis and extending in a longitudinal direction of the lens, the first axis and the second axis defining a symmetrical surface of the lens, and a third axis perpendicular to the symmetrical surface, a first portion of light from a light source is incident upon the incident surface, refracted by the emergent surface, and then emerges to form a first light beam, and a second portion of light from the light source is incident upon the incident surface, reflected by the reflective surface, refracted by the emergent surface, and then emerges to form a second light beam.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: June 6, 2017
    Assignee: OSRAM GMBH
    Inventors: Yusheng Ming, Zhijun Ou, Guangwei Chi, Jing Lin
  • LENS AND ILLUMINATION DEVICE INCLUDING THE LENS
    Publication number: 20150362153
    Abstract: Various embodiments may relate to a lens for an illumination device, including an incident surface, an emergent surface, and a reflective surface connected between the incident surface and the emergent surface. The lens includes a first axis as an optical axis of the lens, a second axis perpendicular to the first axis and extending in a longitudinal direction of the lens, the first axis and the second axis defining a symmetrical surface of the lens, and a third axis perpendicular to the symmetrical surface, a first portion of light from a light source is incident upon the incident surface, refracted by the emergent surface, and then emerges to form a first light beam, and a second portion of light from the light source is incident upon the incident surface, reflected by the reflective surface, refracted by the emergent surface, and then emerges to form a second light beam.
    Type: Application
    Filed: December 19, 2013
    Publication date: December 17, 2015
    Inventors: Yusheng MING, Zhijun OU, Guangwei CHI, Jing LIN