LCD article from liquid crystal filled, hydrophilically-coated,

Details LCD article from liquid crystal filled, hydrophilically-coated, LCD article from liquid crystal filled, hydrophilically-coated,

1995-06-26

1996-12-03

Nagumo, Mark

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

25229901, 2522995, 349122, C09K 1952

Patent

active

055806180

ABSTRACT:
A liquid crystal-containing precursor for a liquid crystal display device consisting of a porous polytetrafluoroethylene film which has the structure defining the pores treated with a hydrophilic substance. The pores of the treated porous film are substantially filled with liquid crystals. The hydrophilizing treatment increases the transition speed of the liquid crystals from light-scattering orientation to light-transmitting orientation. The liquid crystal-filled film can be covered with transparent non-porous layers of material, having an electrically-conductive film on at least one surface, which can be hermetically sealed at the edges, to permit long-term storage of the liquid crystals in ready-to-use sheet form and easy inclusion into a liquid crystal display device.

REFERENCES:
patent: 4161557 (1979-07-01), Suzuki et al.
patent: 5056898 (1991-10-01), Ma et al.
patent: 5093735 (1992-03-01), Doane et al.
patent: 5130024 (1992-07-01), Fujimoto et al.
patent: 5304323 (1994-04-01), Arai et al.
patent: 5405551 (1995-04-01), Reamey et al.
patent: 5410424 (1995-04-01), Konuma et al.

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