A light-guide device includes a light guiding element (13) with a number of faces including two parallel faces (26) for guiding light by internal reflection. A transparent optical element (19) has an interface surface for attachment to a coupling surface (14) of the light guiding element and is configured such that ...

An optical aperture multiplier includes a first optical waveguide (10) having a rectangular cross-section and including partially reflecting surfaces (40) at an oblique angle to a direction of elongation of the waveguide. A second optical waveguide (20), also including partially reflecting surfaces (45) at an obliqu...

A method is described for fabricating an optical device that includes a light waves transmitting substrate having at least two major surfaces and edges and a plurality of partially reflecting surfaces carried by the substrate wherein the partially reflecting surfaces are parallel to each other and not parallel to an...

There is disclosed an optical device including a light transmitting substrate having an input aperture an output aperture at least two major surfaces and edges an optical element for coupling light waves into the substrate by total internal reflection at least one partially reflecting surface located between the two...

Head- mounted display with an eye- tracking system and including a light transmitting substrate (20) having two major surfaces and edges , optical means for coupling light into said substrate (20) by total internal reflection, partially -reflecting surfaces (22a- 22c) carried by the substrate (20) that are not paral...

There is provided an optical system including a light transmitting substrate (20) having at least two major surfaces (26) and edges an optical prism (54) having at least a first (58) a second (56) and a third (60) surface for coupling light waves having a given field of view into the substrate by total internal refl...

There is provided an optical device, having a light-transmitting substrate having at least two major surfaces (26) parallel to each other and edges; optical means (16) for coupling light waves located in a field-of-view into the substrate by internal reflection, and at least one partially reflecting surface (22) loc...

There is provided an optical device for transferring light within a given field-of-view, comprising an input aperture; reflecting surfaces (4, 6), and an outpul aperture located in spaced-apart relationship from the input aperture such thai lighl waves, located within the field-of-view, that enter the optical device...

There is provided an optical device, comprising a display source; a light-diffuser, an imaging optical module, and an output aperture from the optical device characterized in that the light diffuser is an angular, non-uniform diffuser of light for increasing a portion of light emerging from the display source that p...

There is provided an optical device, including a light-transmitting substrate (20) having an input aperture and first and second major surfaces (26,32) parallel to each other and edges, one partially reflecting surface located in the substrate which is non- parallel to the major surfaces of the substrate and an opti...

The invention provides an optical device, including a light-transmitting substrate, optical means for coupling light into the substrate by total internal reflection, and a plurality of partially reflecting surfaces carried by the substrate, characterized in that the plurality reflecting surfaces are parallel to each...

There is provided an optical system, including a substrate having a major surface and edges, an optical element for coupling light into the substrate by total internal reflection, a reflecting surface carried by the substrate, a retardation plate and a reflecting optical element. The retardation plate is located bet...

There is provided an optical device including a light-transmitting substrate having at least two major surfaces and edges, optical means for coupling light into the substrate by total internal reflection and at least one partially reflecting surface located in the substrate.

There is provided an optical device, having a light-transmitting substrate having at least two major surfaces parallel to each other and edges; a display light source; optical means for coupling light from the light source into the substrate by internal reflection, and at least one partially reflecting surface locat...

There is provided an optical device including a light-transmitting substrate having at least two major surfaces and edges, optical means for coupling light into the substrate by total internal reflection and at least one partially reflecting surface located in the substrate.

An optical device includes a lightguide having a first pair of external surfaces parallel to each other, and at least two sets of facets. Each of the sets including a plurality of partially reflecting facets parallel to each other, and between the first pair of external surfaces. In each of the sets of facets, the r...

An optical system for displaying an image includes a waveguide (10) having two major surfaces (12, 14) that support propagation of image illumination by internal reflection. A coupling-out configuration (16, 18) couples out image illumination towards the eye of the user. An image projector (20) is coupled so as to i...

A light-transmitting substrate has parallel surfaces deployed with a first of the parallel surfaces in facing relation to an eye. An optical element is associated with the first surface and applies optical power to incident light of a first type so as to collimate the incident light, and applies substantially no opt...

There is provided an optical system including a light transmitting substrate (20) having at least two external major surfaces and edges an optical element for coupling light waves into the substrate (20) by internal reflection at least one partially reflecting surface located in the substrate (20) for coupling light...

There is provided an optical system, including a light-transmitting substrate (20) having at least two major surfaces (26) and edges, an optical prism (54) having at least a first (58), a second (56) and a third (60) surface, for coupling light waves having a given field- of-view into the substrate by total internal...

Binocular augmented reality display devices and corresponding methods allow alignment calibration to be performed by an end user. According to one approach, a camera is positioned to have a field of view which includes simultaneously part of a projected image from the left-eye display and part of a projected image f...

An optical aperture expansion arrangement particularly useful for near-eye displays employs a waveguide (30, 140, 145) with wedge configurations (25, 26) to generate two modes of propagation of image illumination along the waveguide, and to couple out both modes from the waveguide. Various embodiments employ rectang...

A near-eye display includes a light- guide optical element (LOE) (10) having first and second major external surfaces (11A, 11B) that are planar and mutually parallel. An image projector (2) introduces into the LOE illumination corresponding to an image so that the illumination propagates within said LOE by internal...

An optical system including a light- guide optical element (LOE) with a first set of mutually-parallel, partially-reflecting surfaces and a second set of mutually-parallel, partially-reflecting surfaces at a different orientation from the first set. Both sets of partially-reflecting surfaces are located between a se...

An optical system including a light-guide optical element (LOE) with first and second sets (204, 206) of mutually-parallel, partially-reflecting surfaces at different orientations. Both sets of partially-reflecting surfaces are located between parallel major external surfaces. A third set of at least partially-refle...

An optical system has a hollow mechanical body having first and second ends. An optical assembly has a plurality of optical components arranged in a stack configuration. Each of the optical components has a set of engagement configurations. For each pair of adjacent optical components in the stack configuration, at ...

An optical system includes a light transmitting substrate having at least two external major surfaces and edges and an optical element for coupling light waves into the substrate by total internal reflection. At least one partially reflecting surface is located in the substrate for coupling light waves out of the su...