Liquid crystal display device having a light shielding layer bei

Details Liquid crystal display device having a light shielding layer bei Liquid crystal display device having a light shielding layer bei

1989-03-21

1990-10-23

Miller, Stanley D.

350339F, 350337, G02F 113

Patent

active

049647024

ABSTRACT:
A liquid crystal display device of negative display type comprises a liquid crystal cell comprising a nematic liquid crystal layer sandwiched between substrates provided with electrodes, a color filter and a light shielding layer, which is in a relation of complementary color to the color filter, covering other than the area corresponding to a display pattern, a pair of polarizing films arranged at both surfaces of the liquid crystal cell, and a driving means for applying a voltage to the electrodes. The driving means may be so adapted to apply a voltage sufficient to energize the nematic liquid crystal to the electrodes for the area of display pattern other than a desired display pattern.

REFERENCES:
patent: 4552437 (1985-11-01), Gantenbrink et al.
patent: 4591240 (1986-05-01), Masaki et al.
patent: 4601546 (1986-07-01), Ohta
patent: 4653862 (1987-03-01), Morozumi
patent: 4810060 (1989-03-01), Ukai
patent: 4836652 (1989-06-01), Oishi et al.

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