Invention Grant
- Patent Title: Polarization element and projector
- Patent Title (中): 极化元件和投影机
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Application No.: US12893398Application Date: 2010-09-29
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Publication No.: US08350992B2Publication Date: 2013-01-08
- Inventor: Daisuke Sawaki
- Applicant: Daisuke Sawaki
- Applicant Address: JP
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP2009-260713 20091116; JP2010-161725 20100716
- Main IPC: G02F1/1335
- IPC: G02F1/1335
Abstract:
A polarization element includes: a substrate; a plurality of thin metal wires provided to the substrate in a striped manner; and a plurality of protruding sections made of metal provided to each of the thin metal wires, and arranged in a longitudinal direction of the thin metal wire at a pitch shorter than a wavelength of incident light.
Public/Granted literature
- US20110115991A1 POLARIZATION ELEMENT AND PROJECTOR Public/Granted day:2011-05-19
Information query
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