EP 2190005 A2 20100526 - Light-emitting container for high-intensity discharge lamp and high-intensity discharge lamp
Title (en)
Light-emitting container for high-intensity discharge lamp and high-intensity discharge lamp
Title (de)
Entladungsgefäss für eine Hochdruckentladungslampe und Hochdruckentladungslampe
Title (fr)
Tube à décharge pour lampe à décharge haute intensité et lampe à décharge haute intensité
Publication
Application
Priority
JP 2008299767 A 20081125
Abstract (en)
A light-emitting container 5A for a high-intensity discharge lamp has an arc tube comprising a translucent polycrystalline ceramics. The arc tube has a central light-emitting portion 2 and side end portions 3 provided on both sides of the central light-emitting portion 2, respectively, and tubular portions 1 protruding from both of the side end portions, respectively. The inner surfaces of the side end portions are roughened surfaces.
IPC 8 full level
H01J 61/30 (2006.01); H01J 61/33 (2006.01); H01J 61/82 (2006.01)
CPC (source: EP)
H01J 61/30 (2013.01); H01J 61/33 (2013.01); H01J 61/82 (2013.01)
Citation (applicant)
- EP 0869540 A1 19981007 - GEN ELECTRIC [US]
- JP H10335059 A 19981218 - GEN ELECTRIC
- US 5708328 A 19980113 - MATHEWS PAUL G [US], et al
- JP 2006093045 A 20060406 - TOSHIBA LIGHTING & TECHNOLOGY
- JP 2004006198 A 20040108 - NGK INSULATORS LTD
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
EP 2190005 A2 20100526; EP 2190005 A3 20120711; JP 2010153372 A 20100708; JP 5340896 B2 20131113
DOCDB simple family (application)
EP 09176841 A 20091124; JP 2009267017 A 20091125