Liquid crystal color projection apparatus for modifying and projecting display images obtained from liquid crystal panels
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 17, 1993
Grant Date -
N/A
app pub date -
Jul 29, 1991
filing date -
Jul 31, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A liquid crystal color projection apparatus includes a light source, dichroic mirrors, transmission type liquid crystal panels, a beam mixing section, two parallel side plates, and bar members. The dichroic mirrors separate light, supplied from the light source, into red, green, and blue beams. The transmission type liquid crystal panels are respectively arranged on the optical paths of the three color beams separated by the dichroic mirrors so as to form images corresponding to the three color beams. The beam mixing section mixes image beams from the transmission liquid crystal panels to reproduce a color image. The side plates have plural pairs of engaging portions, arranged at symmetrical positions, for fixing the dichroic mirrors and the liquid crystal panels at predetermined positions. Each of the bar members has two end portions fixed to one pair of engaging portions of the side plates, thus fixing and holding two arbitrary end portions of each of the dichroic mirrors and the liquid crystal panels thereon.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully