Stock material or miscellaneous articles – Composite – Of inorganic material
Patent
1996-08-01
1999-05-11
Nold, Charles
Stock material or miscellaneous articles
Composite
Of inorganic material
428691, 428917, 313504, 313507, 264 21, H05B33/00
Patent
active
059026898
ABSTRACT:
A description is given of a method of providing an electroluminescent device (20) comprising an active layer (5) of conjugated 2,5-alkyl- or alkoxy-substituted poly(p-phenylene vinylene) with inactive regions (51) and emissive regions (52) by means of patterned irradiation with UV light. Both regions (51) and (52) of the active layer (5) show a clear difference in electroluminescence, electrical resistance and solubility. By means of the above-described effects, displays can be manufactured without making use of structured electrode layers (3) and (11).
REFERENCES:
E.J.G. Staring et al, Advanced Materials, 1994, 6, No. 12,pp. 934-937.
D. Braun et al., Synthetic Metals, 66 (1994) pp. 75-79.
P. L. Burn et al. in Nature, 356, pp. 47-49 (1992).
Berntsen Adrianus J. M.
Demandt Robert J. C. E.
Liedenbaum Coen T. H. F.
Schoo Hermanus F. M.
Staring Aemilianus G. J.
Nold Charles
Spain Norman N.
U.S. Philips Corporation
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