Electroluminescent devices
First Claim
Patent Images
1. An electroluminescent device comprising an anode, a cathode and one or a plurality of organic compound layers sandwiched therebetween, in which said organic compound layers comprise an organic compound, as the constituent ingredient, represented by the following formula (I):
- ##STR211## wherein B represents ##STR212## (in which X1 is H, Cl, CH3, OCH3, C2 H5 or CN, and l is 1, 2 or
3), ##STR213## (in which X2 is H or OCH3, and X3 is H, CH3, ##STR214## (in which X4 is H or ##STR215## (in which D is O, S, or N, X5 is H or COOH,X6 is H, CH3, C2 H5 or ##STR216## and κ
is 0 or
1), ##STR217## (in which X7 is H or O), ##STR218## (in which X8 is O or C(CN)2), ##STR219## (in which X9 is H or CH3), ##STR220## (in which X10 is O or C(CN)2), ##STR221## (in which D is O, S or N,Y1 is H, andi is 0 or
1), ##STR222## (in which E is O or S), ##STR223## (in which E is O or S), ##STR224## (in which G is S or NH), ##STR225## (in which Z represents;
(1) substituted or unsubstituted (C4 -C6) cycloalkenes containing at least one double bond in the ring,(2) (C4 -C6) cycloalkenes having an aromatic ring and containing one double bond in the ring,(3) 5- or 9-membered heterocycles containing a double bond and at least one oxygen in the ring,(4) 5-membered heterocycles having an aromatic ring, and containing one oxygen and at least one double bond in the ring,(5) 6- or 7-membered heterocycles having C4 or C6 cycloalkene with at least one double bond, and containing two oxygen atoms in the ring,(6) C5, C6 or C11 heterocycles containing 1 or 2 sulfur atoms in the ring,(7) 5- or 6-membered heterocycles containing 2 to 4 nitrogen atoms and at least one double bond in the ring,(8) 5-, 6- or 8-membered heterocycles having an aromatic ring, and containing at least one double bond and 1 or 2 nitrogen atoms in the ring, or(9) 5- or 6-membered heterocycles containing 1 or 2 nitrogen atoms and, optionally, oxygen atom in the ring;
Ar represents ##STR226## m represents an integer of 1 to 6; and
n represents an integer of 1 to 6.
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0 Petitions
Accused Products
Abstract
Disclosed herein an electroluminescent device for converting an energy of an electric field applied directly to a light energy and capable of producing surface luminescent for a large area different from conventional incandescent lamps, fluorescent lamps or light emitting diodes.
222 Citations
5 Claims
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1. An electroluminescent device comprising an anode, a cathode and one or a plurality of organic compound layers sandwiched therebetween, in which said organic compound layers comprise an organic compound, as the constituent ingredient, represented by the following formula (I):
- ##STR211## wherein B represents ##STR212## (in which X1 is H, Cl, CH3, OCH3, C2 H5 or CN, and l is 1, 2 or
3), ##STR213## (in which X2 is H or OCH3, and X3 is H, CH3, ##STR214## (in which X4 is H or ##STR215## (in which D is O, S, or N, X5 is H or COOH,X6 is H, CH3, C2 H5 or ##STR216## and κ
is 0 or
1), ##STR217## (in which X7 is H or O), ##STR218## (in which X8 is O or C(CN)2), ##STR219## (in which X9 is H or CH3), ##STR220## (in which X10 is O or C(CN)2), ##STR221## (in which D is O, S or N,Y1 is H, and i is 0 or
1), ##STR222## (in which E is O or S), ##STR223## (in which E is O or S), ##STR224## (in which G is S or NH), ##STR225## (in which Z represents;
(1) substituted or unsubstituted (C4 -C6) cycloalkenes containing at least one double bond in the ring,(2) (C4 -C6) cycloalkenes having an aromatic ring and containing one double bond in the ring, (3) 5- or 9-membered heterocycles containing a double bond and at least one oxygen in the ring, (4) 5-membered heterocycles having an aromatic ring, and containing one oxygen and at least one double bond in the ring, (5) 6- or 7-membered heterocycles having C4 or C6 cycloalkene with at least one double bond, and containing two oxygen atoms in the ring, (6) C5, C6 or C11 heterocycles containing 1 or 2 sulfur atoms in the ring, (7) 5- or 6-membered heterocycles containing 2 to 4 nitrogen atoms and at least one double bond in the ring, (8) 5-, 6- or 8-membered heterocycles having an aromatic ring, and containing at least one double bond and 1 or 2 nitrogen atoms in the ring, or (9) 5- or 6-membered heterocycles containing 1 or 2 nitrogen atoms and, optionally, oxygen atom in the ring; Ar represents ##STR226## m represents an integer of 1 to 6; and
n represents an integer of 1 to 6. - View Dependent Claims (2, 3, 4, 5)
- ##STR211## wherein B represents ##STR212## (in which X1 is H, Cl, CH3, OCH3, C2 H5 or CN, and l is 1, 2 or
Specification