Liquid crystal projector with condenser lenses for blue and gree

Details Liquid crystal projector with condenser lenses for blue and gree Liquid crystal projector with condenser lenses for blue and gree

1996-07-01

1998-07-28

Gross, Anita Pellman

Liquid crystal cells, elements and systems

Liquid crystal system

Projector including liquid crystal cell

G02F 11335

Patent

active

057868743

ABSTRACT:
On the incident sides of the blue light modulating liquid crystal panel and the green light modulating liquid crystal panel, condenser lenses whose outer diameter is equal to or more than that of the two liquid crystal panels are disposed respectively. No condenser lens is disposed on the incident side of the red light modulating liquid crystal panel. The focal length f of the two condenser lenses is preferably set to be a value of

REFERENCES:
patent: 4796978 (1989-01-01), Tanaka et al.
patent: 5060058 (1991-10-01), Goldenberg et al.
patent: 5295005 (1994-03-01), Nishida et al.
patent: 5488436 (1996-01-01), Choi et al.

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