Title:
メタルハライドランプ、およびこれを用いた照明装置
Document Type and Number:
Japanese Patent JP4273951
Kind Code:
B2
Abstract:
A metal halide lamp (1) that includes an arc tube (6) having an envelope made of translucent ceramic and a pair of electrodes (18) disposed in the envelope, wherein a sodium (Na) halide, a mercury (Hg) halide, and one or more lanthanide halides are enclosed within the arc tube (6), the lanthanide halides including at least one of a cerium (Ce) halide and a praseodymium (Pr) halide, and L / D ‰¥1, where D (mm) is an inside diameter of the arc tube (6), and L (mm) is a distance between the electrodes (18).
Inventors:
Koji Nohara
Atsushi Uchiho
Yukina Kanazawa
Atsushi Uchiho
Yukina Kanazawa
Application Number:
JP2003414488A
Publication Date:
June 03, 2009
Filing Date:
December 12, 2003
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
H01J61/88; H05B41/24; H01J17/16; H01J17/20; H01J61/02; H01J61/12; H01J61/20; H01J61/30; H01J61/33; H01J61/34; H01J61/82; H05B41/14; H05B41/16; H05B41/282; H05B41/392
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Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano