Invention Grant
- Patent Title: Buried numerical aperture expander having transparent properties
- Patent Title (中): 埋入数值孔径扩展器具有透明性
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Application No.: US11852628Application Date: 2007-09-10
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Publication No.: US07715103B2Publication Date: 2010-05-11
- Inventor: Randall B. Sprague , Mark O. Freeman , Christian Dean DeJong , Jacques P. Lincoln , Karlton D. Powell
- Applicant: Randall B. Sprague , Mark O. Freeman , Christian Dean DeJong , Jacques P. Lincoln , Karlton D. Powell
- Applicant Address: US WA Redmond
- Assignee: Microvision, Inc.
- Current Assignee: Microvision, Inc.
- Current Assignee Address: US WA Redmond
- Agent Kevin D. Wills
- Main IPC: G02B27/10
- IPC: G02B27/10 ; G02B27/14

Abstract:
Briefly, in accordance with one or more embodiments, a buried numerical aperture expander may be utilized to provide a head-up or virtual display at a larger field of view without requiring a larger amount of space, larger sized display, or larger sized optics. The buried numerical aperture expander is capable of selectively reflecting light emanating from a display such that the reflected light is expanded into a larger field of view, while simultaneously allowing other light to be transmitted through the buried numerical aperture expander without expansion so that the buried numerical aperture expander may be deployed in conjunction with a windshield or window without adversely affecting the ability to see through buried numerical aperture expander.
Public/Granted literature
- US20090067057A1 BURIED NUMERICAL APERTURE EXPANDER HAVING TRANSPARENT PROPERTIES Public/Granted day:2009-03-12
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