Polymer dispersed liquid crystal projector with diffraction grat

Details Polymer dispersed liquid crystal projector with diffraction grat Polymer dispersed liquid crystal projector with diffraction grat

1993-06-24

1996-06-11

Gross, Anita Pellman

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 40, 359 95, G02F 11335, G02F 113

Patent

active

055261477

ABSTRACT:
A liquid crystal panel includes first and second substrates at least one of which has a light transmission property and which confront each other, first and second electrode layers which are formed on opposed faces of the first and second substrates, respectively, a polymer dispersion liquid crystal layer which is sandwiched between the first and second substrates, and a layer which is formed on at least one of the first and second electrode layers and has an uneven sectional shape so as to define concavities. At least liquid crystals disposed in the concavities of the layer are aligned in a predetermined direction.

REFERENCES:
patent: 4389096 (1983-06-01), Hori et al.
patent: 4435047 (1984-03-01), Fergason
patent: 4729640 (1988-03-01), Sakata
patent: 5237435 (1993-08-01), Kurematsu et al.
patent: 5299289 (1994-03-01), Omae et al.

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