Reflective-type display device having a refractive index ratio b

Details Reflective-type display device having a refractive index ratio b Reflective-type display device having a refractive index ratio b

1995-07-27

1998-10-27

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

359296, G02F 11333, G02B 2600

Patent

active

058284311

ABSTRACT:
A reflective-type display device having a light modulating layer, including a host dispersed with light scatterers, which is held between two transparent electrodes; and a light absorbing layer disposed in back of the light modulating layer. The size of each light scatterer or the nearest distance between the adjacent light scatterers is nearly equivalent to the wavelength of incident light at least in two-dimensional directions. The refractive index ratio relative to incident light between the light scatterers and host is changed from 1 to 1.5 or more depending on the magnitude of a voltage applied across the electrodes.

REFERENCES:
patent: 5156452 (1992-10-01), Drzaic et al.
patent: 5206747 (1993-04-01), Wiley et al.

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