Light-scattering mode liquid crystal display device, and a proce

Details Light-scattering mode liquid crystal display device, and a proce Light-scattering mode liquid crystal display device, and a proce

1994-04-05

1996-07-23

Gross, Anita Pellman

Optical: systems and elements

Optical computing without diffraction

359 99, G02F 113

Patent

active

055395562

ABSTRACT:
A liquid crystal device based upon the actuation principle of light scattering, and having low voltage-driving properties and a high contrast, and a process for producing the same are provided. The device is characterized in that it is provided with two substrates which may have an electrode layer and at least one of which is transparent, a light-modulating layer being present between the two substrates and having a liquid crystal material and transparent liquid substance insoluble therein, the transparent liquid substance being present in the form of micro-droplets in the liquid crystal material. The device exhibits a short response time, a bright display and a large contrast even under a condition of low driving voltage of 40 V or lower, and a clean threshold voltage to thereby effect a multiplex drive. Therefore, the device is applicable to a large size display element and can be produced very simply and cheaply.

REFERENCES:
patent: 4666253 (1987-05-01), Yoshida

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