Photochromic/vitroceramic window assembly

Details Photochromic/vitroceramic window assembly Photochromic/vitroceramic window assembly

2007-07-31

2007-07-31

Schwartz, Jordan (Department: 2873)

Optical: systems and elements

Lens

Diffusing

C065S030110, C428S426000

Reexamination Certificate

active

11296500

ABSTRACT:
A photochromic/vitroceramic window assembly that restores some of the natural illumination and warm blue-green colors normally excluded from the interior of an enclosed space after blocking at least a portion of infrared and/or UV light, comprising:a) A transparent window pane;b) a first self-adhesive material adhered to the exterior of the window pane, of a transparent plastic film containing a UV-activated photochromic dye; andc) a second self-adhesive material adhered to the interior of the window pane, of a transparent plastic film containing i) a rare earth doped vitroceramic that up-converts any infrared not blocked by the first self-adhesive film to a warm visible blue or green color, and ii) a diarylethene that converts any UV not blocked by the first self-adhesive film to a visible yellow-white color.

REFERENCES:
patent: 5694240 (1997-12-01), Sternbergh
patent: 6547390 (2003-04-01), Bernheim et al.
patent: 2005/0068629 (2005-03-01), Fernando et al.
patent: 2005/0104408 (2005-05-01), Capps

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