申请人:Merck GmbH
公开号:US20020130300A1
公开(公告)日:2002-09-19
The invention relates to novel dioxane derivatives of the formula I
R
1
—(A
1
—Z
1
)
m
—A
2
—C
2
F
4
—A
3
—(Z
2
—A
4
)
n
—R
2
I
in which R
1
, R
2
, A
1
, A
2
, A
3
, A
4
, Z
1
, Z
2
, m and n are as defined in claim
1,
to their use as components of liquid-crystalline media, and to liquid-crystal and electro-optical display elements which contain the liquid-crystalline media according to the invention.