Patents by Inventor Mingchen MA

Mingchen MA 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).

  • Laser projection apparatus
    Patent number: 11630378
    Abstract: A laser projection apparatus includes a laser source, an optical engine and a projection lens. The optical engine includes a light pipe, a lens assembly, a reflector, a prism assembly and a digital micromirror device. An optical axis of the illumination beam transmitted by the light pipe and the lens assembly is a first optical axis. An optical axis of an illumination beam reflected by the reflector to the prism assembly is a second optical axis. The first optical axis is perpendicular to the second optical axis, and both the first optical axis and the second optical axis are parallel to the beam receiving face of the digital micromirror device.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: April 18, 2023
    Assignee: HISENSE LASER DISPLAY CO., LTD.
    Inventors: Mingchen Ma, Liang Yin
  • LASER PROJECTION APPARATUS
    Publication number: 20220308427
    Abstract: A laser projection apparatus includes a laser source, an optical engine and a projection lens. The optical engine includes a light pipe, a lens assembly, a reflector, a prism assembly and a digital micromirror device. An optical axis of the illumination beam transmitted by the light pipe and the lens assembly is a first optical axis. An optical axis of an illumination beam reflected by the reflector to the prism assembly is a second optical axis. The first optical axis is perpendicular to the second optical axis, and both the first optical axis and the second optical axis are parallel to the beam receiving face of the digital micromirror device.
    Type: Application
    Filed: July 29, 2020
    Publication date: September 29, 2022
    Applicant: Hisense Laser Display Co., Ltd.
    Inventors: Mingchen MA, Liang YIN