Title:
光源装置およびプロジェクションテレビジョン
Document Type and Number:
Japanese Patent JP4747431
Kind Code:
B2
Abstract:
An improvement to a projection display is provided. The invention relates to an optical source device comprising a lamp, a beam shaping optical system including a light uniforming element for uniforming a light intensity distribution in a plane perpendicular to the direction of propagation of received emitting light of the lamp, an optical deflector for changeably reflecting the received emitting light of the beam shaping optical system in either one of two directions, and an optical reflector for reflecting light reflected in said one of two directions, along an axis of said one of two directions.
Inventors:
Taketoshi Hibi
Akihisa Miyata
Akihisa Miyata
Application Number:
JP2001092114A
Publication Date:
August 17, 2011
Filing Date:
March 28, 2001
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
G02B5/08; G02B5/30; G03B21/14; G02B19/00; G02B27/18; G03B21/00; H04N5/74; H04N9/31; H04N5/202
Domestic Patent References:
| JP8251520A | ||||
| JP8304923A | ||||
| JP10221640A |
Attorney, Agent or Firm:
Shogo Takahashi
Tadahiko Inaba
Kanako Murakami
Nakatsuru Kazutaka
Tadahiko Inaba
Kanako Murakami
Nakatsuru Kazutaka