Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ROOM
Document Type and Number:
WIPO Patent Application WO/2019/202988
Kind Code:
A1
Abstract:
Provided is a room that can realize a projector-projected image of high contrast even in a bright environment. A room according to the present invention is demarcated by: a ceiling; a floor; a pair of wall surfaces opposed to each other; and another pair of wall surfaces opposed to each other in the direction intersecting with the pair of wall surfaces. One among the pair of wall surfaces and the other pair of wall surfaces has a window, a first screen is disposed on the wall surface opposed to the wall surface which has the window, and/or a second screen is disposed on the wall surface of the opposite side in the lower culmination direction. Polarizing plates are provided inside the window, to the projection side surface of the first screen, and/or to the projection side surface of the second screen. The absorption axis of a polarizer of the polarizing plate in the window is directed substantially orthogonal or parallel to the absorption axis of a polarizer of the polarizing plate in the first screen and/or the absorption axis of a polarizer of the polarizing plate in the second screen.

Inventors:
YAEGASHI Masahiro (1-1-2 Shimohozumi, Ibaraki-sh, Osaka 80, 〒5678680, JP)
Application Number:
JP2019/014783
Publication Date:
October 24, 2019
Filing Date:
April 03, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NITTO DENKO CORPORATION (1-1-2, Shimohozumi Ibaraki-sh, Osaka 80, 〒5678680, JP)
International Classes:
G03B21/604; G02B5/30; G03B21/14; H04N5/74
Foreign References:
JPH05134214A1993-05-28
JPS6364483A1988-03-22
JPH09106008A1997-04-22
JPH01191824A1989-08-01
JP2017015897A2017-01-19
JPH05204046A1993-08-13
JPH09211733A1997-08-15
JP2003186106A2003-07-03
JP2017111432A2017-06-22
JPH06167745A1994-06-14
JPH0675303A1994-03-18
Attorney, Agent or Firm:
MOMII Takafumi (7th Floor, Aqua Dojima East 1-4-4, Dojimahama, Kita-ku, Osaka-sh, Osaka 04, 〒5300004, JP)
Download PDF: