Invention Application
- Patent Title: TWO IMAGER PROJECTION DEVICE
- Patent Title (中): 两台成像器投影设备
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Application No.: PCT/US2013/036067Application Date: 2013-04-11
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Publication No.: WO2013162895A1Publication Date: 2013-10-31
- Inventor: CARLS, Joseph C. , SCHARDT, Craig R. , PREISS, Duane E. , BALDWIN, Dwight G.
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY , CARLS, Joseph C. , SCHARDT, Craig R. , PREISS, Duane E. , BALDWIN, Dwight G.
- Applicant Address: 3M Center Post Office Box 33427 Saint Paul, Minnesota 55133-3427 US
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY,CARLS, Joseph C.,SCHARDT, Craig R.,PREISS, Duane E.,BALDWIN, Dwight G.
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY,CARLS, Joseph C.,SCHARDT, Craig R.,PREISS, Duane E.,BALDWIN, Dwight G.
- Current Assignee Address: 3M Center Post Office Box 33427 Saint Paul, Minnesota 55133-3427 US
- Agency: HEITI, Robert V. et al.
- Priority: US61/637,939 20120425
- Main IPC: G02B27/26
- IPC: G02B27/26 ; G02B5/30 ; G02B5/02
Abstract:
The present disclosure describes optical elements and optical devices that use the optical elements to allow the output of two imagers to be combined onto a single optical axis. Each of the two imagers can be based on alternate polarization directions, and the disclosed embodiments can enable high contrast 3D projectors without requiring either time or polarization sequencing. The present disclosure further describes projection systems that include the optical devices.
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