Light adjuster and laminated glass

Details Light adjuster and laminated glass Light adjuster and laminated glass

2008-03-11

2008-03-11

Mack, Ricky (Department: 2873)

Optical: systems and elements

Light control by opaque element or medium movable in or...

C052S171300

Reexamination Certificate

active

07342704

ABSTRACT:
A light adjuster according to which the wavelength dependence of the transmissivity when a voltage is not being applied can be reduced, and a laminated glass containing the light adjuster. The light adjuster100is comprised of a single liquid crystal layer104, a pair of transparent electrically conductive films106aand106bhaving the liquid crystal layer104therebetween, and a pair of PET films105aand105bbonded respectively to outer surfaces of the pair of transparent electrically conductive films. The liquid crystal layer104is comprised of a transparent polymer film101that is made of a latex and has a large number of voids therein. Each of the voids is filled with nematic liquid crystalline rod-like molecules102, thus forming a liquid crystal capsule103. When the light adjuster100is in a non-transparent state, the transmissivity exhibits no sudden increase over a wavelength region from 380 nm to 780 nm, the difference between the maximum transmissivity and the minimum transmissivity over this wavelength region being not more than 3%.

REFERENCES:
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patent: 6285435 (2001-09-01), Inoue et al.
patent: 05778 827 (1994-01-01), None
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patent: 3-116019 (1991-05-01), None
patent: 11-353907 (1999-12-01), None

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