Units with variable optical/energetic properties

Details Units with variable optical/energetic properties Units with variable optical/energetic properties

1997-07-10

2000-12-12

Epps, Georgia

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359274, 359275, 349 16, 5278611, 5278612, G02F 11333, G02F 115, G02F 1157

Patent

active

061606553

ABSTRACT:
The invention relates to a unit with variable optical properties, which combines at least one system with variable light transmission/absorption, especially of the electrochromic or viologen type, with at least one system with variable light diffusion, especially of the optical valve type or with liquid crystals. The systems are electrically control-driven in order to modulate in a decorrelated manner the light transmission level and the light diffusion level of the unit.

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patent: 5725809 (1998-03-01), Varaprasad et al.
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