ELECTROCHROMIC PRIVACY WINDOW
First Claim
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1. An electrochromic (EC) privacy window comprising:
- an EC pane unit comprising a first EC device having a bright state and a dark state; and
a privacy device facing the EC pane unit and having a bright state and a privacy state configured to attenuate visible radiation transmitted through the window;
wherein;
when the privacy device is in the privacy state, the window has transmitted haze of greater that 80%, orwhen the privacy device is in the privacy state and the first EC device is in the dark state, the window has a visible transmittance of about 0.1% or less.
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Abstract
An electrochromic (EC) privacy window includes an EC pane unit including a first EC device having a bright state and a dark state, and a privacy device facing the EC pane unit and having a bright state and a privacy state configured to attenuate visible radiation transmitted through the window. In some embodiments, when the privacy device is in the privacy state, the window has transmitted haze of greater that 80%. In other embodiments, when the privacy device is in the privacy state and the first EC device is in the dark state, the window has a visible transmittance of about 0.1% or less.
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Citations
32 Claims
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1. An electrochromic (EC) privacy window comprising:
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an EC pane unit comprising a first EC device having a bright state and a dark state; and a privacy device facing the EC pane unit and having a bright state and a privacy state configured to attenuate visible radiation transmitted through the window; wherein; when the privacy device is in the privacy state, the window has transmitted haze of greater that 80%, or when the privacy device is in the privacy state and the first EC device is in the dark state, the window has a visible transmittance of about 0.1% or less. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. An electrochromic (EC) privacy window comprising:
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an EC pane unit comprising a first EC device having a bright state and a dark state; and a privacy device facing the EC pane unit and having a bright state and a privacy state configured to attenuate visible radiation transmitted through the window, wherein the privacy device comprises a switchable mirror device or film, a polymer-dispersed liquid crystal device or film, or a tunable liquid crystal filter. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification