Invention Grant
- Patent Title: See-through eyepiece for head wearable display
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Application No.: US15239617Application Date: 2016-08-17
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Publication No.: US09671614B2Publication Date: 2017-06-06
- Inventor: Ozan Cakmakci , Anurag Gupta , Oscar A. Martinez
- Applicant: Google Inc.
- Applicant Address: US CA Mountain View
- Assignee: Google Inc.
- Current Assignee: Google Inc.
- Current Assignee Address: US CA Mountain View
- Agency: Blakely Sokoloff Taylor & Zafman LLP
- Main IPC: G02B27/14
- IPC: G02B27/14 ; G02B27/01 ; G02B5/30 ; G02B1/18 ; G02B27/28

Abstract:
An eyepiece for a head wearable display includes a light guide component for guiding display light received at a peripheral location and emitting the display light at a viewing region. The light guide component includes an eye-ward facing surface having a reflection portion and a viewing portion, a folding surface oriented to reflect the display light received into the light guide component to the reflection portion of the eye-ward facing surface, and a first interface surface oriented to receive the display light reflected from the reflection portion of the eye-ward facing surface. A partially reflective layer is disposed on the first interface surface in the viewing region to reflect the display light through viewing portion of the eye-ward facing surface.
Public/Granted literature
- US20160357018A1 SEE-THROUGH EYEPIECE FOR HEAD WEARABLE DISPLAY Public/Granted day:2016-12-08
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