Invention Grant
- Patent Title: Reflection type screen
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Application No.: US15945700Application Date: 2018-04-04
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Publication No.: US10248016B2Publication Date: 2019-04-02
- Inventor: Hajime Maruta
- Applicant: ARISAWA MFG. CO., LTD.
- Applicant Address: JP Niigata
- Assignee: ARISAWA MFG. CO., LTD.
- Current Assignee: ARISAWA MFG. CO., LTD.
- Current Assignee Address: JP Niigata
- Priority: CN201720380955U 20170412
- Main IPC: G03B21/60
- IPC: G03B21/60 ; G02B17/00

Abstract:
A reflection type screen including: a base portion which is tabular; and prism portions which are provided on one surface of the base portion, extending in one direction and lined up in a direction intersecting the one direction, wherein the prism portions each have: a pair of surfaces, at least one of the pair of surfaces being inclined with respect to the normal direction of the one surface of the base portion and intersecting the other of the pair of surfaces; and a reflecting layer, being formed on the one of the pair of surfaces and reflecting light, and the reflecting layer includes, on the one of the pair of surfaces, a first thin portion, a thick portion and a second thin portion in this order from a side of an intersection line of the one of the pair of surfaces and the other of the pair of surfaces.
Public/Granted literature
- US20180299761A1 REFLECTION TYPE SCREEN Public/Granted day:2018-10-18
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