申请人:ONO Kaori
公开号:US20090256121A1
公开(公告)日:2009-10-15
An electrochromic compound represented by Formula (1),
wherein R
1
is an alkyl group, an alkenyl group, an aryl group, or a heterocyclic group; R
2
and R
3
are each a hydrogen atom or a substituent; X is N—R
4
, an oxygen atom, or a sulfur atom; and R
4
is a hydrogen atom or a substituent; provided that at least one of R
1
-R
4
has a partial structure represented by Formula (2),
—Si(Y)
n
R′
(3-n)
Formula (2)
wherein Y is a halogen atom or OR, R is an alkyl group, or an aryl group; R′ is an alkyl group, an alkenyl group, an aryl group, or a heterocyclic group, and n is an integer of 1-3.
化学式(1)所代表的电致变色化合物,其中R1是烷基、烯基、芳基或杂环基;R2和R3分别是氢原子或取代基;X是N—R4、氧原子或硫原子;R4是氢原子或取代基;但至少R1-R4中的一个具有由化学式(2)表示的部分结构,—Si(Y)nR′(3-n)。在这里,Y是卤素原子或OR,R是烷基或芳基;R′是烷基、烯基、芳基或杂环基,n是1-3的整数。