Timepiece display device utilizing liquid crystals of positive d

Details Timepiece display device utilizing liquid crystals of positive d Timepiece display device utilizing liquid crystals of positive d

1976-02-13

1977-05-31

Bauer, Edward S.

350150, G02F 113

Patent

active

040266370

ABSTRACT:
A timepiece display device utilizes liquid crystals of positive dielectric anisotropy in a transparent cell having transparent electrodes on the interior surfaces of the cell walls. The device includes a polarizing filter and an analyzing filter at opposite faces of the cell and a mirror for reflecting light back through the cell in an arrangement which increases the intensity and contrast of the display.

REFERENCES:
patent: 3248165 (1966-04-01), Marks et al.
patent: 3881809 (1975-05-01), Fergason et al.
patent: 3960438 (1976-06-01), Bonne

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