Title:
SCREEN AND REAR PROJECTOR DEVICE
Document Type and Number:
Japanese Patent JP2005300711
Kind Code:
A
Abstract:
To provide a screen in which contrast is improved by comparatively surely eliminating the effect of outdoor daylight, thereby decreasing the black level of an image, and to provide a rear projector using the screen.
The screen 10, on which images are displayed by the emission of image light from back, includes: a selective transmission filter 2 which has the properties of highly transmitting light of specific wavelength region which corresponds to image light, and the properties of highly reflecting the light of visible wavelength region excepting at least the specific wavelength region; and a circular polarizer plate 3 disposed in front of the selective transmission filter 2.
Inventors:
NAKABACHI HIDEYA
KAKINUMA MASAYASU
HAYASHI HIROSHI
SHIMODA KAZUTO
KIRITA SHINA
KAKINUMA MASAYASU
HAYASHI HIROSHI
SHIMODA KAZUTO
KIRITA SHINA
Application Number:
JP2004113923A
Publication Date:
October 27, 2005
Filing Date:
April 08, 2004
Export Citation:
Assignee:
SONY CORP
International Classes:
G02B5/30; G02F1/13; G02F1/1335; G03B21/28; G03B21/62; G03B21/625; (IPC1-7): G03B21/62; G02B5/30; G02F1/13; G02F1/1335; G03B21/28
Attorney, Agent or Firm:
Chieko Tateno