Electro-optical apparatus utilizing at least three electro-optic

Details Electro-optical apparatus utilizing at least three electro-optic Electro-optical apparatus utilizing at least three electro-optic

1992-07-13

1996-01-02

Metjahic, Safet

Television

Video display

Projection device

348752, 348761, 348762, 359 40, 353 31, H04N 931, H04N 574

Patent

active

054813204

ABSTRACT:
An electro-optical device includes a light amplifying portion comprising a first substrate having a transparent conductive film, a photoconductor whose electric resistance is lowered in accordance with light irradiation and a dielectric thin film, a second substrate having a transparent conductive film and uniaxially-orienting layer and a ferroelectric liquid crystal or antiferroelectric liquid crystal layer sandwiched between the first and second substrate, an image write-in portion comprising a display body, a mirror for splitting an image light into three color lights and light shutters for performing a switching operation between transmission and interception of the split lights, and serves to irradiate the image light through the first substrate of each light amplifying portion, an image read-out portion comprising a light source for irradiating light through the second substrate of each of the three light amplifying portions, and red, green and blue color filter portions, and an imaging portion for synthesizing image lights transmitted through the image read-out portion and reflected from the light amplifying portions into a synthesized image.

REFERENCES:
patent: 3781465 (1973-12-01), Ernstoff et al.
patent: 4019807 (1977-04-01), Boswell et al.
patent: 4127322 (1978-11-01), Jacobson et al.
patent: 4150876 (1979-04-01), Yevick
patent: 4566029 (1986-01-01), Johnson
patent: 4748510 (1988-05-01), Umezawa
patent: 4786146 (1988-11-01), Ledebuhr
"IEEE Standard Dictionary of Electrical and Electronics Terms", 3rd edition, 1984, The IEEE, Inc., New York, N.Y., pp. 47 and 347.

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