Title:
SCREEN AND PROJECTION SYSTEM
Document Type and Number:
Japanese Patent JP2008116911
Kind Code:
A
Abstract:
To provide a screen for displaying a bright image with a high contrast in the case of displaying a large screen with a short projection distance, and to provide a projection system using the screen.
The screen has a plurality of protruding parts 32 disposed side by side with an interval provided with each other on a plane S. The protruding parts 32 reflect light L1 from a projection engine part as oblique incident light incident from a predetermined direction other than the normal N direction of the plane S, and shield the light L1 from the projection engine part with respect to the area between the projecting parts 32 out of the plane S by reflecting the obliquely incident light L1.
Inventors:
YONEKUBO MASATOSHI
SHINPO AKIRA
SHINPO AKIRA
Application Number:
JP2007203867A
Publication Date:
May 22, 2008
Filing Date:
August 06, 2007
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
G03B21/10; G02B5/00; G02B5/02; G02B5/10; G03B21/60
Domestic Patent References:
| JPH0627533A | 1994-02-04 | |||
| JP2006215162A | 2006-08-17 | |||
| JP2005134448A | 2005-05-26 | |||
| JP2004317638A | 2004-11-11 |
Attorney, Agent or Firm:
Masahiko Ueyanagi
Osamu Suzawa
Kazuhiko Miyasaka
Osamu Suzawa
Kazuhiko Miyasaka