Please download the dossier by clicking on the dossier button x
×

MICRO-PROJECTOR

  • US 20110037953A1
  • Filed: 03/25/2010
  • Published: 02/17/2011
  • Est. Priority Date: 09/25/2007
  • Status: Abandoned Application
First Claim
Patent Images

1. A projection display comprising:

  • an illumination system comprising at least one laser source unit and configured and operable for producing one or more light beams;

    a spatial light modulating (SLM) system accommodated at output of the illumination system and comprising one or more SLM units for modulating light incident thereon in accordance with image data; and

    a light projection optics for imaging modulated light onto a projection surface;

    the illumination system comprising at least one beam shaping unit comprising a Dual Micro-lens Array (DMLA) arrangement formed by front and rear micro-lens arrays (MLA) located in front and rear parallel planes spaced-apart along an optical path of light propagating towards the SLM unit so that each array is placed at the focal plane of the lenslets of the other array, the DMLA arrangement being configured such that each lenslet of the DMLA directs light incident thereon onto the entire active surface of the SLM unit, each lenslet having a geometrical aspect ratio corresponding to an aspect ratio of said active surface of the SLM unit.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×