Invention Grant
- Patent Title: Variable transmittance optical filter and uses thereof
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Application No.: US13837010Application Date: 2013-03-15
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Publication No.: US08687258B2Publication Date: 2014-04-01
- Inventor: Duhane Lam , Neil R. Branda , Andreea Spantulescu , Jeremy Graham Finden , Ali Hayek , Kyle Andrew Hope-Ross , Serguei Sviridov
- Applicant: Switch Materials, Inc.
- Applicant Address: CA Burnaby, British Columbia
- Assignee: Switch Materials, Inc.
- Current Assignee: Switch Materials, Inc.
- Current Assignee Address: CA Burnaby, British Columbia
- Agency: Merchant & Gould P.C.
- Main IPC: G02F1/03
- IPC: G02F1/03
Abstract:
Variable transmittance optical filters capable of transitioning from a light state to a dark state on exposure to UV radiation and from a dark state to a light state with application of an electric voltage are provided. The optical filters comprise a switching material that comprises one or more chromophores that have electrochromic and photochromic properties.
Public/Granted literature
- US20130250392A1 VARIABLE TRANSMITTANCE OPTICAL FILTER AND USES THEREOF Public/Granted day:2013-09-26
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