Invention Grant
- Patent Title: Optical element, projection type image display apparatus, and original recording
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Application No.: US14197250Application Date: 2014-03-05
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Publication No.: US10288940B2Publication Date: 2019-05-14
- Inventor: Kazuya Hayashibe , Shunichi Kajiya
- Applicant: Sony Corporation
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Chip Law Group
- Priority: JP2013-055130 20130318
- Main IPC: G02F1/13363
- IPC: G02F1/13363 ; G02B5/30
Abstract:
An optical element includes, on a surface thereof, a plurality of structural bodies which extend in a first direction, where the plurality of structural bodies are aligned at a pitch of a sub-wavelength in a second direction which intersects with the first direction, and the widths of the structural bodies are changed periodically.
Public/Granted literature
- US20140267942A1 OPTICAL ELEMENT, PROJECTION TYPE IMAGE DISPLAY APPARATUS, AND ORIGINAL RECORDING Public/Granted day:2014-09-18
Information query
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