Grating in a light transmissive illumination system for see-through near-eye display glasses
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-003/048
G02B-027/00
G02B-027/01
G06F-001/16
G06F-003/01
G06Q-030/02
G06F-003/00
G02B-005/18
출원번호
US-0429417
(2012-03-25)
등록번호
US-9097890
(2015-08-04)
발명자
/ 주소
Miller, Gregory D.
Border, John N.
Osterhout, Ralph F.
출원인 / 주소
MICROSOFT TECHNOLOGY LICENSING, LLC
대리인 / 주소
Snodgrass, Jeremy
인용정보
피인용 횟수 :
25인용 특허 :
606
초록▼
This disclosure concerns an interactive head-mounted eyepiece with an integrated processor for handling content for display and an integrated image source for introducing the content to an optical assembly through which the user views a surrounding environment and the displayed content, wherein the
This disclosure concerns an interactive head-mounted eyepiece with an integrated processor for handling content for display and an integrated image source for introducing the content to an optical assembly through which the user views a surrounding environment and the displayed content, wherein the optical assembly comprises a light transmissive illumination system and an LED lighting system coupled to a light transmissive illumination system of the optical assembly. A grating of the illumination system directs light from the LED lighting system to uniformly irradiate a reflective image display to produce an image that is reflected through the illumination system to provide the displayed content to the user.
대표청구항▼
1. A system, comprising: an interactive head-mounted device including an optical assembly comprising a light transmissive illumination system, the optical assembly being configured to display virtual content and to enable viewing of at least a portion of a surrounding environment,an integrated proce
1. A system, comprising: an interactive head-mounted device including an optical assembly comprising a light transmissive illumination system, the optical assembly being configured to display virtual content and to enable viewing of at least a portion of a surrounding environment,an integrated processor for processing the virtual content for display,an integrated image source for introducing the virtual content to the optical assembly, the integrated image source including a reflective image display, anda lighting system coupled to the light transmissive illumination system,wherein the light transmissive illumination system comprises a planar illumination facility comprising a waveguide having an end configured to input light from the lighting system, andthe planar illumination facility also comprising a grating configured to direct light input from the lighting system at the end of the waveguide toward a face of the waveguide that is transverse to the end of the waveguide to output the light from the face of the waveguide toward the reflective image display to uniformly irradiate the reflective image display to produce an image, and wherein the reflective image display is configured to reflect the image through the waveguide for display. 2. The system of claim 1, wherein the grating comprises an interferometric grating. 3. The system of claim 1, wherein the grating is substantially fully transparent to light reflected through the light transmissive illumination system from the reflective image display. 4. The system of claim 1, wherein the reflective image display is configured to reflect light through the planar illumination facility of the light transmissive illumination system. 5. The system of claim 1, wherein the head-mounted device comprises a supporting structure configured to support the planar illumination facility, and wherein the supporting structure comprises an opening configured to pass light reflected from the reflective image display. 6. The system of claim 1, wherein the lighting system comprises one or more lasers. 7. The system of claim 6, wherein the one or more lasers are coupled to the planar illumination facility via a waveguide wavelength converter. 8. The system of claim 7, wherein the light transmissive illumination system is configured to utilize optical feedback to reduce laser speckle. 9. The system of claim 1, wherein the lighting system comprises one or more light emitting diodes. 10. In a head-mounted device, a method of producing an image, the method comprising: producing light via a light source;directing light from the light source into an end of a waveguide of a planar illumination facility, the waveguide comprising a grating structure;directing the light through the waveguide via total internal reflection;turning the light via the grating structure toward a face of the waveguide that is transverse to the end of the waveguide and out of the planar illumination facility toward a reflective image display; andproducing an image from the light via the reflective image display and directing the image through the waveguide for display on a see-through display of the head-mounted device. 11. The method of claim 10, wherein turning the light via the grating structure comprises reflecting the light via an interferometric grating. 12. The method of claim 11, further comprising passing the image through an opening in a supporting structure for the planar illumination facility after directing the image through the planar illumination facility. 13. The method of claim 10, wherein producing light via the light source comprises producing light via one or more lasers. 14. The method of claim 13, further comprising coupling light from the one or more lasers into the planar illumination facility via a waveguide wavelength converter. 15. The method of claim 14, further comprising utilizing optical feedback to reduce laser speckle. 16. The method of claim 10, wherein producing light via the light source comprises producing light via one or more light emitting diodes. 17. The method of claim 10, wherein directing the image through the planar illumination facility comprises passing the image through the grating structure without turning the image. 18. An interactive head-mounted device, comprising: an optical assembly comprising a light transmissive illumination system, the optical assembly being configured to display virtual content and to enable viewing of at least a portion of a surrounding environment;an integrated processor;an integrated image source for introducing the virtual content to the optical assembly, the integrated image source including a reflective image display; anda laser light source coupled to the light transmissive illumination system, wherein the light transmissive illumination system comprises a planar illumination facility comprising a waveguide with an end configured to receive an input of light from the laser light source and a face that is transverse to the end,the planar illumination facility also comprising a grating configured to redirect the light received from the laser light source at the end of the waveguide toward the face of the waveguide to output the light from the waveguide toward the reflective image display to uniformly irradiate the reflective image display to produce an image, and wherein the reflective image display is configured to reflect the image through the waveguide for display. 19. The interactive head-mounted device of claim 18, wherein one or more lasers of the laser light source are coupled to the planar illumination facility via a waveguide wavelength converter. 20. The interactive head-mounted device of claim 19, wherein the light transmissive illumination system is configured to utilize optical feedback to reduce laser speckle.
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