EP 0466138 A1 19920115 - Cold cathode discharge lamp.
Title (en)
Cold cathode discharge lamp.
Title (de)
Entladungslampe mit Kaltkathode.
Title (fr)
Lampe de décharge à cathode froide.
Publication
Application
Priority
JP 18282390 A 19900712
Abstract (en)
A cold cathode discharge lamp includes phosphor films (15) formed on the inner surface of a bulb (1), discharge gas sealed in the bulb and containing at least xenon, and a pair of cold cathode and electrodes (20, 30) provided in the bulb for making the discharge gas cause discharge, and Exo electron emitting layer made of alpha -alumina (18) is installed in the bulb, which emits Exo electrons into the bulb by the stimulus energy equal to or less than the work function in the dark. <IMAGE>
IPC 1-7
IPC 8 full level
C03C 17/34 (2006.01); H01J 61/06 (2006.01); H01J 61/067 (2006.01); H01J 61/35 (2006.01); H01J 61/42 (2006.01); H01J 61/54 (2006.01); H01J 61/78 (2006.01)
CPC (source: EP)
H01J 61/0677 (2013.01); H01J 61/35 (2013.01); H01J 61/54 (2013.01); H01J 61/78 (2013.01)
Citation (search report)
- [X] EP 0348979 A2 19900103 - TOSHIBA LIGHTING & TECHNOLOGY [JP]
- [Y] US 4887002 A 19891212 - DOBASHI YOSHITOMI [JP], et al
- [Y] US 4914723 A 19900403 - ELLERBECK ROGER P [GB], et al
Designated contracting state (EPC)
DE FR IT
DOCDB simple family (publication)
EP 0466138 A1 19920115; EP 0466138 B1 19951129; DE 69114929 D1 19960111; DE 69114929 T2 19960725; JP 3080318 B2 20000828; JP H0471155 A 19920305
DOCDB simple family (application)
EP 91111508 A 19910710; DE 69114929 T 19910710; JP 18282390 A 19900712