ASLM Multi-Display

Case ID:
UA19-113
Invention:

This technology is a new method that illuminates digital micromirror device (DMD) with focusing, homogenous illumination with cone angle/numerical aperture/F-number configured to prevent contaminated light to enter incorrect pupils. The technology has one input pupil and multiple diffraction order pupils that produce a multi-display from just one projector.

 

Background:

Digital micromirror device (DMD) is an array of micromirror pixels that traditionally are an alternative between ON and OFF positions that direct towards or away from a projection lens for an image projection. Traditional DMD will run into issues where there is light contamination or where the chief ray-of-incidence design is not parallel. These issues can lead to significant diffraction ringing in transmission of light and can prevent high-quality projection.

 

This technology focuses on a new illumination method that mitigates the chance of light contamination to enter and works towards providing a higher quality of projection. The projection can replace the need of having multiple projectors. The technology can cover multiple projections on a screen which allow it to be used for various applications.

 

Applications:

  • Projector
  • 3D Display that does not require 3D glasses
  • Angularly multiplex hologram
  • 3D printing
  • Light field projection


Advantages:

  • More efficient
  • Only need of one projector
  • High-quality projection
  • Lower the chance of light contamination
  • Lower cost
Patent Information:
Contact For More Information:
Kennedy Nyairo
Sr. Licensing Manager, Optical Sciences
The University of Arizona
knyairo@email.arizona.edu
Lead Inventor(s):
Yuzuru Takashima
Brandon Hellman
Keywords: