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US 2010/0141868 A1Published application
Replicated bragg selective diffractive element for display illumination
AssigneeHolox Technologies, Inc.
InventorsPierre St. Hilaire, Thomas L. Credelle
Life of this patent
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Abstract
A system for a display is disclosed. The system comprises an illumination source, a light guide, and a diffractive element. The illumination source inserts illumination into the light guide. The diffractive element extracts illumination from the light guide. The diffractive element comprises a modulated diffractive structure.
Claims24
A system for a display, comprising:
- an illumination source;
- a light guide, wherein the illumination source inserts illumination into the light guide;
- and
- a diffractive element, wherein the diffractive element extracts illumination from the light guide, and wherein the diffractive element comprises a slanted diffractive structure, wherein one or more properties of the slanted diffractive structure vary across a surface of the light guide.
1 more element
A method for a display, comprising:
- providing an illumination source;
- providing a light guide, wherein the illumination source inserts illumination into the light guide;
- and
- providing a diffractive element, wherein the diffractive element extracts illumination from the light guide, and wherein the diffractive element comprises a modulated diffractive structure.
1 more element
Dependencies are inferred from the claim text.