Electroluminescent element

Details Electroluminescent element Electroluminescent element

1990-02-22

1991-12-03

Seidleck, James

Stock material or miscellaneous articles

Composite

Of metal

428690, 428917, 313504, 313507, H01J 162

Patent

active

050699750

ABSTRACT:
Disclosed herein is an electroluminescent element which is constructed such that a fluorescent substance layer and a hole transport layer, both made of organic compounds and laminated on top of the other, are interposed between a cathode and an anode. The fluorescent substance layer is a thin film containing a bisstyryl derivative. It emits blue light efficiently at a high luminance upon application of a low voltage.

REFERENCES:
patent: 4720432 (1988-01-01), VanSlyke et al.
patent: 4769292 (1988-09-01), Tang et al.
patent: 4885211 (1989-12-01), Tang et al.

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