There is provided an illumination device having: a laser; a waveguide including at least first
and second transparent lamina; a first grating device for coupling light from the laser into a …

Various embodiments of waveguide devices are described. A debanding optic may be
incorporated into waveguide devices, which may help supply uniform output illumina tion …

Systems integrating display resolution-multiplication solu tions can be implemented in a
variety of different ways. In many embodiments, the system includes an image projector for …

US10678053B2 - Diffractive projection apparatus - Google Patents US10678053B2 -
Diffractive projection apparatus - Google Patents Diffractive projection apparatus Download …

A projection display device comprising a light source and an SBG device having a
multiplicity of separate SBG elements sandwiched between transparent substrates to which …

Abstract An Electrically Switchable Bragg Grating (ESBG) despeckler device comprising at
least one ESBG element recorded in a hPDLC sandwiched between transparent substrates …

Holographic volume gratings in waveguide cells can be recorded using many different
methods and systems in accordance with various embodiments of the invention. One …

US8789967B2 - Apparatus, method, and system for independent aiming and cutoff steps in
illuminating a target area - Google Patents US8789967B2 - Apparatus, method, and system for …

An optical waveguide comprises at least two TIR surface and contains a grating. Input TIR
light with a first angular range along a first propagation direction undergoes at least two …

A contact image sensor comprises: a light source providing a collimated beam; a detector
and a switchable grating array comprising first and second transparent substrates sandwich …