Title:
FLUORESCENT LAMP
Document Type and Number:
Japanese Patent JP3963143
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To reduce the possibility of heat failure, in a flare stem in a terminal stage of the service life of a high-frequency lighting fluorescent lamp.
SOLUTION: The dropout of the fluorescent film due to high pressure air is prevented by providing a shielding plate 4, in a shape for avoiding the blow of the high pressure air on a top part of the flare stem 3 in an end part of an arc tube 1.
Inventors:
Fukushima Mamoru
Application Number:
JP2002289375A
Publication Date:
August 22, 2007
Filing Date:
October 02, 2002
Export Citation:
Assignee:
Hitachi Lighting Co., Ltd.
International Classes:
H01J61/50; (IPC1-7): H01J61/50
Domestic Patent References:
| JP6338289A | ||||
| JP61042053U | ||||
| JP11238458A | ||||
| JP11345596A |
Attorney, Agent or Firm:
Kiyoshi Tanaka
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