US 2021/0239883 A1 · Head Mounted Display Device with Double Faceted Optics

Abstract

This document relates to head mounted display devices. In one example the head mounted display device includes a light engine including an array of individually controllable pixels that can be energized to emit light. The example also includes an optical assembly physically aligned with the light engine and including a set of focusing elements facing toward the light engine and a different set of focusing elements facing away from the light engine.

Claims20

Dependent claims

A head mounted display device, comprising:

a light engine configured to generate light corresponding to image data;
a housing configured to be positioned relative to a head of a user and to position the light engine in front of an eye of the user;
and, an optical assembly positioned by the housing between the light engine and the eye, the optical assembly comprising:
a first layer of lenses positioned proximate to the light engine;
a second layer of lenses positioned on an opposite side of the first layer from the light engine;
and,
a third layer of lenses positioned on an opposite side of the second layer from the first layer.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application

17/103,693Filed 24 Nov 2020

Priority

31 Jan 2020

Published

5 Aug 2021

Term ends

Not estimatedThe source records don’t support an estimate.

Classification6 codes

G02B 3/0056
Characterized by the distribution or form of lenses: arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
G02B 27/0172
Head mounted: characterised by optical features
G02B 3/08
With non-spherical faces: with discontinuous faces, e.g. Fresnel lens
G02B 7/021
For lenses: for more than one lens

Head Mounted Display Device with Double Faceted Optics

Life of this patent

Head Mounted Display Device with Double Faceted Optics

Life of this patent

Abstract

Claims20