Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
REFLECTION SCREEN
Document Type and Number:
WIPO Patent Application WO/2020/202512
Kind Code:
A1
Abstract:
A reflection screen (100) comprises: a flat base section (101); and multiple prism sections (103) that are provided on one surface of the base section (101), extend in one direction, and are arranged side by side in a direction intersecting with the one direction. Each of the multiple prism sections (103) includes: a pair of surfaces (107, 105) in which at least one surface (107) is inclined relative to the normal direction of the one surface of the base section and intersects with the other surface (105); a reflective layer (110) that is formed on the one surface (107) to reflect light; and a top coat layer (112) that covers the reflective layer (110) and the region extending beyond the reflective layer (110) up to the trough formed with the adjacent prism section.

Inventors:
MARUTA HAJIME (JP)
Application Number:
PCT/JP2019/014866
Publication Date:
October 08, 2020
Filing Date:
April 03, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ARISAWA SEISAKUSHO KK (JP)
International Classes:
G03B21/58
Foreign References:
JP2006023693A2006-01-26
US20180299760A12018-10-18
US20180299761A12018-10-18
JPS61109039A1986-05-27
JP2003156799A2003-05-30
JP2010243649A2010-10-28
JP2016045229A2016-04-04
Attorney, Agent or Firm:
RYUKA IP LAW FIRM (JP)
Download PDF: