Patent ID: 6403741
Filing Date: 2002-06-11
Classification: C09K,G02F

Abstract:
A UV-stabilized electrochromic assembly having a UV-stabilized gel electrolyte comprising a dissolved UV absorber in a layer structure, wherein(1) one layer is an electrically conductive electrochromic polydioxythiophene comprising structural units of the formula (XXII) â€ƒwherein A1 and A2 represent, independently of one another, substituted or unsubstituted (C1-C4)-alkyl or together form substituted or unsubstituted (C1-C4)-alkylene, and n represents an integer from 2 to 10,000, and polyanion counterions, and (2) a further ion-storage layer is one or more ion-storage compounds selected from the group consisting of Me1O2 (I), Me22O5 (II), LixMe1O2 (III), LixMe22O5 (IV), LixMe1O2+x/2 (V), LixMe22O5+x/2 (VI), Me3O (VII), Me3Ox (VIII), MxMe3O (IX), MxMe3O2 (X), MxMe3Oy (XI), Me4O3 (XII), MxMe4O3 (XIII) MxMe4(1âˆ’x)Me4xO3 (XIV) Me3(OH)2 (XV), Me3O(OH) (XVI), MMe3O2 (XVII), Me3O2 (XVIII), Me32O3 (XIX), Me32O3.H2O (XX), and LiMe5O3 (XXI), â€ƒwherein Me1 and Me2 each represent a metal transition group III, IV, or V of the Mendeleev Periodic Table, Me3 and Me4 each represent a metal of transition group VI or VIII of the Mendeleev Periodic Table, Me5 represents a metal of transition group V of the Mendeleev Periodic Table, x represents a number from 0.001 to 5, y represents a number from 0.001 to 5, and M represents a metal of main group I of the Mendeleev Periodic Table or a proton.