Invention Grant
- Patent Title: Reflection-type screen, projection system, front projection television system, and reflection-type screen manufacturing method
- Patent Title (中): 反射型屏幕，投影系统，前置投影电视系统和反射式屏幕制造方法
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Application No.: US13081901Application Date: 2011-04-07
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Publication No.: US08310755B2Publication Date: 2012-11-13
- Inventor: Nobuo Shimizu
- Applicant: Nobuo Shimizu
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oliff & Berridge, PLC
- Priority: JP2010-090159 20100409
- Main IPC: G03B21/60
- IPC: G03B21/60
Abstract:
A reflection-type screen which reflects projection light from a projector is provided. The screen includes a base one surface of which has a plurality of curved portions having concave or convex surfaces. Each of the curved portions of the base has a reflection area and a non-reflection area. A reflection film is formed on each of the reflection areas. An anti-reflection film is formed on each of the non-reflection areas. Each of the anti-reflection films has a plurality of transparent columnar components.
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