Liquid crystal display device with birefringent film between the

Details Liquid crystal display device with birefringent film between the Liquid crystal display device with birefringent film between the

1990-09-19

1993-01-12

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

G02F 11335

Patent

active

051794578

ABSTRACT:
A liquid crystal display device includes a phase-plate disposed between a pair of substrates, preferably inside of the electrode, to increase the transmission rate and improve the contrast ratio of the display.

REFERENCES:
patent: 3900248 (1975-08-01), Nagasaki
patent: 4025161 (1977-05-01), La Roche
patent: 4093356 (1978-06-01), Bigelow
patent: 4139272 (1979-02-01), Laesser et al.
patent: 4711532 (1987-12-01), Choe
patent: 4844569 (1989-07-01), Wada et al.
patent: 4889412 (1989-12-01), Clerc et al.
patent: 4936654 (1990-06-01), Suzaki et al.

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