Invention Grant
- Patent Title: Reflective screen
- Patent Title (中): 反光屏
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Application No.: US13009955Application Date: 2011-01-20
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Publication No.: US08169700B2Publication Date: 2012-05-01
- Inventor: Ryoji Katsuma , Akira Shinbo
- Applicant: Ryoji Katsuma , Akira Shinbo
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: AdvantEdge Law Group, LLC
- Priority: JP2010-027634 20100210
- Main IPC: G03B21/56
- IPC: G03B21/56 ; G02B27/00

Abstract:
A reflective screen comprising: a projection surface on which an image light is projected, a plurality of unit structures provided on the projection surface, one of the plurality of unit structures being formed of a concavely curved surface or a convexly curved surface, a first reflection portion that reflects the image light incident thereon toward a preset field of view, the first reflection portion being provided on the concavely curved surface or on the convexly curved surface and a second reflection portion that reflects at least a part of the image light incident thereon toward a region outside the preset field of view, the second reflection portion being provided on the concavely curved surface or on the convexly curved surface.
Public/Granted literature
- US20110194178A1 REFLECTIVE SCREEN Public/Granted day:2011-08-11
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