Title:
メタルハライドランプ
Document Type and Number:
Japanese Patent JP2005533345
Kind Code:
A
Abstract:
A metal halide lamp comprising a substantially cylindrical discharge vessel having an internal diameter Di<2.0 mm and filled with an ionizable filling, wherein two electrodes are present at a mutual distance EA for maintaining a discharge in the discharge vessel, wherein the filling comprises an inert gas, such as Xe, having a pressure at room temperature between 5 and 25 bar, and an ionizable salt, characterized in that said ionizable salt is selected from the group comprising PrI3, NdI3 and LuI3.
Inventors:
Karst ferches
Marco Havel Rug
Josephus Sem Hendricks
Marco Havel Rug
Josephus Sem Hendricks
Application Number:
JP2004520949A
Publication Date:
November 04, 2005
Filing Date:
June 17, 2003
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
H01J1/62; H01J61/12; H01J61/16; H01J61/30; H01J61/88; H01J63/04; H01J; (IPC1-7): H01J61/12; H01J61/16; H01J61/30; H01J61/88
Attorney, Agent or Firm:
Kosaku Sugimura
Kazuaki Takami
Hiroshi Tokunaga
Yoshiyuki Iwasa
Shiro Fujitani
Kiyoshi Kuruma
Kazuyuki Tomita
Kazuaki Takami
Hiroshi Tokunaga
Yoshiyuki Iwasa
Shiro Fujitani
Kiyoshi Kuruma
Kazuyuki Tomita