Light control device and light control system using the same

Details Light control device and light control system using the same Light control device and light control system using the same

2008-05-13

2008-05-13

Ben, Loha (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S260000, C359S237000, C359S248000, C359S318000, C359S320000, C349S025000, C349S030000, C349S116000

Reexamination Certificate

active

11563907

ABSTRACT:
A light control device includes a substrate, a first reflective layer, a light modulating film in which the refractive index varies according to an applied electric field, a transparent electrode, and a second reflective layer having a reflection characteristic such that the reflection band and transmission band exhibit a steep switching pattern at a specified wavelength. The device is configured such that the specified wavelength and the resonant wavelength of a Fabry-Perot resonator defined by the first reflective layer, the light modulating film, the transparent electrode, and the second reflective layer are substantially the same. The reflection-type light control device has improved light utilization efficiency.

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