Electric lamp and discharge devices – With gas or vapor – Envelope with particular structure
Patent
1997-12-02
1999-10-12
O'Shea, Sandra
Electric lamp and discharge devices
With gas or vapor
Envelope with particular structure
313637, H01J 6100
Patent
active
059659831
ABSTRACT:
The electric lamp has an information-displaying external coating (3) which is provided on the lamp envelope. The coating (3) comprises a metal oxide as the pigment, which is dispersed in a polysiloxane matrix which may contain lithium. The coating (3) is obtained by using a marking ink, which may be applied by means of an ink jet printing process.
REFERENCES:
patent: 4634927 (1987-01-01), Mori et al.
patent: 5538549 (1996-07-01), Kato et al.
Bouwkamp-Wijnoltz Anna L.
Derks Guybert M. C.
Legierse Petrus E. J.
Faller F. Brice
O'shea Sandra
U.S. Philips Corporation
Williams Joseph
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