申请人:——
公开号:US20030206326A1
公开(公告)日:2003-11-06
An electrochromic device comprising a pair of glass or plastic plates or plastic films of which at least one plate or film, preferably both plates or films, are provided on in each case one side with an electrically conductive coating, of which at least one plate or film and its conductive coating are transparent, of which the other may be mirrored, and of which in the case of at least one of the two plates or films the electrically conductive layer can be divided into separate, individually contacted area segments, where the plates or films are joined together via a sealing ring on the sides of their conductive coating, and the volume formed by the two plates or films and the sealing ring is filled with an electrochromic medium which comprises at least one reducible electrochromic substance OX
2
and at least one oxidizable electrochromic substance RED
1
, characterized in that one OX
2
corresponds to the formula
1
in which
R
201
and R
202
, independently of one another, are alkyl, cycloalkyl, alkenyl, aralkyl, aryl, —[C(PQ)]
−
or a bivalent bridge B,
Z
201
is a bivalent radical of the formulae CR
210
R
211
, O, C═O or o-phenylene,
R
210
and R
211
, independently of one another, are hydrogen, methyl or ethyl, or
CR
210
R
211
is C
3
- to C
7
-cycloalkane-
1,1
-diyl,
the rings C, D, E and F, independently of one another, may be substituted by up to 4 alkyl and/or alkoxy radicals, or the rings C and D or the rings E and F, respectively, may be linked via a —(CH
2
)
4
— or —CH═CH—CH═CH— bridge,
P and Q, independently of one another, are —CN or —COO-alkyl, and
X— is an anion,
has improved properties and comprises electrochromic compounds which are readily obtainable synthetically.
一种电致变色装置,包括一对玻璃或塑料板或塑料薄膜,其中至少一块板或膜,优选两块板或膜,在每一侧上都提供有一层电导涂层,其中至少一块板或膜及其导电涂层是透明的,另一块则可以是镜面的,在至少两块板或膜中的一块上,导电层可以被分成单独的、可分别接触的区域段,这些板或膜通过密封环在它们的导电涂层的侧面连接在一起,而由这两块板或膜和密封环形成的体积被充满了一种电致变色介质,其包括至少一种可还原电致变色物质OX2和至少一种可氧化电致变色物质RED1,其特征在于,其中一个OX2对应于公式1,其中R201和R202独立地为烷基、环烷基、烯基、芳基、-C(PQ)-或双价桥B的-Z201,R210和R211独立地为氢、甲基或乙基,或CR210R211为C3-C7环烷基-1,1-二基,环C、D、E和F独立地可以被多达4个烷基和/或烷氧基取代,或环C和D或环E和F可以通过-(CH2)4-或-CH2CH-CH2CH-CH-桥连接,P和Q独立地为-CN或-COO-烷基,X-为阴离子,具有改进的性能,并包括可通过合成轻松获得的电致变色化合物。