×

Projection displays

  • US 8,684,533 B2
  • Filed: 02/03/2013
  • Issued: 04/01/2014
  • Est. Priority Date: 02/27/2001
  • Status: Expired due to Term
First Claim
Patent Images

1. A digital projector, comprising:

  • an input configured to receive an image signal representative of a desired image;

    a spatial light modulator;

    a modulated light source configured to illuminate the spatial light modulator;

    a controller configured to energize the modulated light source and the spatial light modulator based on the image signal;

    wherein the controller is further configured to energize the light source according to a luminance of the desired image, and energize pixels of the spatial light modulator according to an amount of smoothly varying luminance illuminating the pixels of the spatial light modulator and a corresponding amount of luminance in the desired image.

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