Electrically conductive support for a glazing unit having liquid-crystal-mediated variable scattering properties and such a glazing unit
US9599872B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Jul 30, 2013 |
| Grant date | Mar 21, 2017 |
| Priority date | — |
| Expiry date | Nov 30, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K1/092
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrically conductive support for a glazing unit having liquid crystal scattering properties may include a multilayer of thin films. In one example, the thin films include an electrode comprising a TCO film, a silicon-nitride-based first barrier film having a thickness e1 of at least 5 nm, and a silicon-oxide-based second barrier film having a thickness e2 of at least 30 nm. The thickness e1 may be smaller than or equal to e2 and/or smaller than 80 nm. Further, the cumulative thickness of the first and second barrier films may be larger than or equal to 50 nm and smaller than 150 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.