Reflective liquid crystal display having a hologram color filter

Details Reflective liquid crystal display having a hologram color filter Reflective liquid crystal display having a hologram color filter

1995-03-10

2000-09-19

Sikes, William L.

Electrophotography

Internal machine environment

Particle or contaminant control

349113, 359 15, G02F 11335

Patent

active

061224650

ABSTRACT:
A color liquid crystal display device includes a liquid crystal element, an optical path conversion element array and a hologram. The liquid crystal element has a blue pixel B, a red pixel R, and a green pixel G, which are arranged plainly, and a liquid crystal layer. The optical path conversion element array converts external light into approximately parallel light. The hologram separates light from the optical path conversion element array into a light having a wavelength range of the three primary colors and irradiates pixels R, G and B corresponding to the liquid crystal element.

REFERENCES:
patent: 4686519 (1987-08-01), Yoshida et al.
patent: 5442467 (1995-08-01), Silverstein et al.
patent: 5506701 (1996-04-01), Ichikawa
patent: 5526145 (1996-06-01), Weber

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