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Laser based display method and system

  • US 9,013,638 B2
  • Filed: 03/06/2014
  • Issued: 04/21/2015
  • Est. Priority Date: 05/29/2009
  • Status: Active Grant
First Claim
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1. A method for operating a projection apparatus comprising:

  • providing the projection apparatus comprising;

    a housing having an aperture;

    an input interface for receiving one or more frames of images;

    a laser source including an edge emitting blue laser diode and a wavelength modifying module, the blue laser diode comprising a gallium and nitrogen containing material, the wavelength modifying module comprising phosphor material, the laser exciting the phosphor material to form a colored emission source;

    a digital light processing chip comprising a digital mirror device, the digital mirror device including a plurality of mirrors, each of the mirrors corresponding to one or more pixels of the one or more frames of images;

    means for directing light from the blue laser diode and the colored emission sources to the digital mirror device; and

    a power source electrically coupled to the laser source and the digital light processing chip; and

    projecting an image using the projection apparatus.

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