Liquid crystal display panel

Details Liquid crystal display panel Liquid crystal display panel

1996-12-30

1998-08-25

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349113, 349121, 349106, 349165, G02F 11335, C09K 1960

Patent

active

057988099

ABSTRACT:
A liquid crystal display panel including a guest-host type liquid crystal layer and a reflecting plate. A polarized light rotating member is arranged between the liquid crystal layer and the reflecting plate for rotating a vibrating plane of an incident polarized light to reduce a dispersion of states of polarization of light regarding wavelength. The polarized light rotating member preferably comprises first and second superimposed linear phase plates. The .DELTA.nd of the first linear phase plates located on the side of the liquid crystal layer from the second phase plate is approximately .lambda..sub.0 /2 and the .alpha.nd of the second linear phase plate is approximately .lambda..sub.0 /4.

REFERENCES:
patent: 3900248 (1975-08-01), Nagasaki
patent: 4093356 (1978-06-01), Bigelow
patent: 4398805 (1983-08-01), Cole
patent: 4492432 (1985-01-01), Kaufmann et al.
patent: 4674841 (1987-06-01), Buzuk

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