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 …

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 …

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

US11175512B2 - Diffractive projection apparatus - Google Patents US11175512B2 - Diffractive
projection apparatus - Google Patents Diffractive projection apparatus Download PDF Info …

(74) Attorney, Agent, or Firm Suiter Swantz pc llo (57) ABSTRACT A transparent wearable
data display having a source of collimated light, a deflector for deflecting the collimated light …

Improvements to gratings for use in waveguides and methods of producing them are
described herein. Deep surface relief gratings (SRGs) may offer many advantages over …

An optical display comprises: a first waveguide comprising a first surface and a second
surface, an input coupler, a fold grating, and an output grating. The input coupler receives …

(57) ABSTRACT A waveguide apparatus, comprises: disposed in at least one layer: an input
coupler; a first fold grating; a second fold grating; an output coupler; and a source of light …

An optical display, including a first waveguide having a first set of surfaces, an input grating,
a fold grating, and an output grating; an image input image node assembly; and a pris matic …

Systems and methods for providing holographic waveguide display using integrated
gratings in accordance with various embodiments of the invention are illustrated. One …