Organic thin-film EL device

Details Organic thin-film EL device Organic thin-film EL device

1990-05-18

1992-03-03

James, Andrew J.

Electric lamp and discharge devices

With temperature modifier

For lead-in-seal or stem protection

357 8, 313504, 313506, H01L 2712

Patent

active

050936913

ABSTRACT:
An organic thin-film electroluminescence (=EL) device is provided. This device includes as a main constituent of an organic luminescent thin-film layer sandwiched between a couple of electrodes at least one of which is transparent, a naphthalimide derivative represented by the formula (I): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are identical or different from each other and are selected from the group consisting of hydrogen, an alkyl group, an aryl group, a substituted alkyl group, a substituted aryl group, an alkoxyl group, an amino group and an acylamino group.

REFERENCES:
patent: 4164431 (1979-08-01), Tang
patent: 4611385 (1986-09-01), Forrest et al.
patent: 4720432 (1988-01-01), Van Slyke et al.
patent: 4741976 (1988-05-01), Eguchi et al.
patent: 4779166 (1988-10-01), Tanaka et al.
patent: 4885211 (1989-12-01), Tang et al.
Adachi et al., "Blue Light-Emitting Organic Electroluminescent Devices", Applied Physics Letters, 56(9), Feb. 26, 1990, pp. 799-800.

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