Title:
SCREEN, PROJECTOR, AND PROJECTOR SYSTEM
Document Type and Number:
Japanese Patent JP2005173235
Kind Code:
A
Abstract:
To provide a screen and so forth, capable of obtaining high contrast images by reducing the external light running in the direction of the viewers.
This screen has a light-scattering layer 201 which scatters a light L1, projected from the projection optical system 122 of a projector 120 within the angle determined by F of the projection optical system 122 but passes a light L2 other than the projection light L1 and projected at angles other than those prescribed.
Inventors:
UEJIMA SHUNJI
Application Number:
JP2003413398A
Publication Date:
June 30, 2005
Filing Date:
December 11, 2003
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
G03B21/60; G02F1/13; G03B21/00; G03B21/62; H04N5/74; (IPC1-7): G03B21/60; G02F1/13; G03B21/00; G03B21/62; H04N5/74
Attorney, Agent or Firm:
Masahiko Ueyanagi
Fujitsuna Hideyoshi
Osamu Suzawa
Fujitsuna Hideyoshi
Osamu Suzawa
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