Invention Grant
- Patent Title: Polarization element comprising a plurality of metal protruding sections formed in a striped manner having first and second heat radiation sections tilted in opposite directions
- Patent Title (中): 极化元件包括多个以条纹形成的金属突出部分，其具有沿相反方向倾斜的第一和第二散热部分
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Application No.: US12881561Application Date: 2010-09-14
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Publication No.: US08687151B2Publication Date: 2014-04-01
- Inventor: Yoshitomo Kumai
- Applicant: Yoshitomo Kumai
- Applicant Address: JP
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP2009-250078 20091030; JP2010-106683 20100506
- Main IPC: G02F1/1335
- IPC: G02F1/1335 ; G02F1/1333
Abstract:
A polarization element includes: a substrate; a plurality of protruding sections formed on the substrate in a striped manner in a plan view; and a heat radiation section formed on a top portion of each of the protruding sections, wherein the heat radiation section has a concavo-convex section.
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