Electrochromic optical element having an apodized aperture

Details Electrochromic optical element having an apodized aperture Electrochromic optical element having an apodized aperture

G - Physics

02

F

G02F 1/163 (2006.01) G03B 9/02 (2006.01) H01L 31/0203 (2006.01) G02F 1/153 (2006.01) G02F 1/155 (2006.01) G02F 1/29 (2006.01)

Patent

CA 2744247

Provided is an optical element with an electrochromic apodized aperture having variable light transmittance in response to the amplitude of an applied voltage. The apodized aperture includes a first substrate having a planar inner surface and an outer surface, a second substrate having an outer surface and a non-planar inner surface opposing and spaced from the planar inner surface of the first substrate, wherein each of the planar inner surface of the first substrate and the non-planar inner surface of the second substrate has an at least partial layer of transparent conductive material thereover; and an electrochromic medium disposed between the planar inner surface of the first substrate and the non-planar inner surface of the second substrate. The profiles of Figures 1-6 demonstrate the function of an electrochromic apodized iris. Image

L'invention porte sur un élément optique qui comporte une ouverture électrochromique apodisée présentant une transmittance lumineuse variable en réponse à l'amplitude de la tension appliquée. L'ouverture apodisée comprend un premier substrat doté d'une surface intérieure plane et d'une surface extérieure, un second substrat doté d'une surface extérieure et d'une surface intérieure non plane opposée et espacée de la surface intérieure plane du premier substrat, la surface interne plane du premier substrat et la surface interne non plane du second substrat étant chacune recouvertes d'au moins une couche partielle de matériau conducteur transparent, ainsi qu'une substance électrochromique disposée entre la surface intérieure plane du premier substrat et la surface intérieure non plane du second substrat. Les profils des figures 1 à 6 montrent la fonction d'un iris apodisé électrochromique.

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