Patents Examined by Meghan D Dunwiddie
  • Patent number: 7950818
    Abstract: LED lamp has LEDs aimed rearwards with either a concave mirror to the rear of each LED, or one concave mirror to the rear of two or more LEDs, collecting the light from the LEDs to form a forward projecting beam. LEDs may be high power types that require heatsinking. LED lamp may have a lens forward of each LED to collimate the radiation produced by the LEDs into a beam, where at least one lens has at least one aspheric curved surface. LED lamp may have a transparent reflective optic to collimate the radiation produced by each LED into a beam. For an inspection lamp, the LEDs typically have a peak wavelength of 395 to 415 nanometers for seeing the area being irradiated but not so visible as to overwhelm fluorescence of fluorescent materials to be detected. Other wavelengths may be used.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: May 31, 2011
    Assignee: Brasscorp Limited
    Inventors: Donald L. Klipstein, Jack Brass