See-through computer display systems with stray light management
Aspects of the present invention relate to methods and systems for the see through computer display systems. In embodiments, the systems and methods use curved display panels to generate image light.
1. An optical system comprising:
a display panel located on an optical axis, the display panel comprising a curved emission surface, the curved emission surface including a first emission surface point where the optical axis intersects the curved emission surface, the curved emission surface having a first radius of curvature at the first emission surface point; and
a lens located on the optical axis, the lens having a curved lens surface, the curved lens surface including a first lens surface point on the optical axis, the curved lens surface having a second radius of curvature at the first lens surface point, wherein:
the curved emission surface comprises a first side of the display panel, wherein the first side of the display panel is proximal to the lens,
the curved lens surface comprises a first side of the lens, wherein the first side of the lens is proximal to the display panel, and
the second radius of curvature is substantially equal to the first radius of curvature at the first emission surface point,
wherein the curved emission surface is configured to transmit image light from the display panel through the curved lens surface to present the image light overlaid on a view of an environment associated with the optical system.
2. The optical system of claim 1 ,
wherein the curved emission surface includes a second emission surface point where a first axis parallel to the optical axis intersects the curved emission surface,
wherein the curved lens surface of the lens includes a second lens surface point on the first axis parallel to the optical axis,
wherein the first emission surface point and the first lens surface point are separated by a first distance, and
wherein the second emission surface point and the second lens surface point are separated by a second distance substantially equal to the first distance between the first emission surface point and the first lens surface point.
3. The optical system of claim 1 ,
wherein the curved emission surface includes an emission surface area circumscribed by a plurality of axes, parallel to the optical axis, that intersect the curved emission surface,
wherein the curved lens surface of the lens includes a lens surface area circumscribed by the plurality of axes parallel to the optical axis, and
wherein the emission surface area and the lens surface area of the lens are separated by a substantially constant distance over the respectively circumscribed areas.
4. The optical system of claim 1 , wherein the curved emission surface and the curved lens surface of the lens are substantially the same in shape.
5. The optical system of claim 1 , wherein the curved emission surface and the curved lens surface of the lens are not substantially the same in shape.
6. The optical system of claim 1 , wherein the presenting the image light overlaid on the view of the environment comprises presenting augmented reality content associated with the environment.
7. The optical system of claim 1 , wherein the display panel comprises a curved display panel comprising the curved emission surface.
8. The optical system of claim 1 , further comprising an optical element on the optical axis between the display panel and the lens.
9. A method of manufacturing an optical system, comprising:
providing a display panel;
locating the display panel on an optical axis, wherein the display panel comprises a curved emission surface, the curved emission surface including a first emission surface point where the optical axis intersects the curved emission surface, the curved emission surface having a first radius of curvature at the first emission surface point;
providing a lens; and
locating the lens on the optical axis, wherein the lens has a curved lens surface, the curved lens surface including a first lens surface point on the optical axis, the curved lens surface having a second radius of curvature at the first lens surface point, wherein:
the curved emission surface comprises a first side of the display panel, wherein the first side of the display panel is proximal to the lens,
the curved lens surface comprises a first side of the lens, wherein the first side of the lens is proximal to the display panel, and
the second radius of curvature is substantially equal to the first radius of curvature at the first emission surface point,
wherein the curved emission surface is configured to transmit image light from the display panel through the curved lens surface to present the image light overlaid on a view of an environment associated with the optical system.
10. The method of claim 9 ,
wherein the curved emission surface includes a second emission surface point where a first axis parallel to the optical axis intersects the curved emission surface,
wherein the curved lens surface of the lens includes a second lens surface point on the first axis parallel to the optical axis,
wherein the first emission surface point and the first lens surface point are separated by a first distance, and
wherein the second emission surface point and the second lens surface point are separated by a second distance substantially equal to the first distance between the first emission surface point and the first lens surface point.
11. The method of claim 9 ,
wherein the curved emission surface includes an emission surface area circumscribed by a plurality of axes, parallel to the optical axis, that intersect the curved emission surface,
wherein the curved lens surface of the lens includes a lens surface area circumscribed by the plurality of axes parallel to the optical axis, and
wherein the emission surface area and the lens surface area of the lens are separated by a substantially constant distance over the respectively circumscribed areas.
12. The method of claim 9 , wherein the curved emission surface and the curved lens surface of the lens are substantially the same in shape.
13. The method of claim 9 , wherein the curved emission surface and the curved lens surface of the lens are not substantially the same in shape.
14. The method of claim 9 , wherein the display panel comprises a curved display panel comprising the curved emission surface.
15. The method of claim 9 , further comprising:
providing an optical element; and
locating the optical element on the optical axis between the display panel and the lens.
16. A method of operating an optical system, wherein the optical system comprises:
a display panel located on an optical axis, the display panel comprising a curved emission surface, the curved emission surface including a first emission surface point where the optical axis intersects the curved emission surface, the curved emission surface having a first radius of curvature at the first emission surface point; and
a lens located on the optical axis, the lens having a curved lens surface, the curved lens surface including a first lens surface point on the optical axis, the curved lens surface having a second radius of curvature at the first lens surface point, wherein:
the curved emission surface comprises a first side of the display panel, wherein the first side of the display panel is proximal to the lens,
the curved lens surface comprises a first side of the lens, wherein the first side of the lens is proximal to the display panel, and
the second radius of curvature is substantially equal to the first radius of curvature at the first emission surface point, wherein the method comprises:
transmitting, via the curved emission surface, image light from the display panel through the curved lens surface to present the image light overlaid on a view of an environment associated with the optical system.
17. The method of claim 16 , wherein the presenting the image light overlaid on the view of the environment comprises presenting augmented reality content associated with the environment.