申请人:Adam Jean-Marie
公开号:US20070042152A1
公开(公告)日:2007-02-22
The invention relates to an optical recording medium comprising a substrate, a reflecting layer and a recording layer, wherein the recording layer comprises a compound of formula [L1Mr-4L-2]
o
[A
m
]
p
[Z
n+
q
(I), [L
1
M
r−3
L−
3
]
0
[A
m
]
P
[Z
n+
]
q
(II) or [L
3
M
r−2
L
4
]
0
[A
m
]
p
[Z
n+
]
q
(III), or where applicable a mesomeric or tautomeric form thereof, wherein L
1
and L
2
are each independently of the other and L
3
and L
4
are each independently of the other wherein Q
1
is CR
1
or N, Q
2
is O, S, NR
10
or Q
5
═Q
8
, Q
3
is CR
3
or N, Q
4
is O, S, NR
10
or Q
7
═Q
8
, Q
5
is CR
5
or N, Q
6
is CR
6
or N, Q
7
is CR
7
or N, Q
8
is CR
8
or N, and Q
9
is 0, S, NR
10
or Q
6
═Q
8
; M
r
, A
m−
, Z
n+
, R
2
, R
9
are as defined in the claims.