Title:
EXTERNAL ELECTRODE FLUORESCENT LAMP, ILLUMINATING DEVICE, DISPLAY AND COPYING MACHINE
Document Type and Number:
WIPO Patent Application WO/2006/088052
Kind Code:
A1
Abstract:
Disclosed is an external electrode fluorescent lamp comprising a glass tube (1) whose inside is hermetically sealed and external electrodes (4, 5) so formed as to cover the end portions of the glass tube (1). The glass tube (1) has a thick portion (1A, 1B), which is thicker than the rest of the glass tube, in at least a part of respective end portions covered by the external electrodes (4, 5). Consequently, generation of pinholes can be prevented, thereby improving the reliability of the external electrode fluorescent lamp.
Inventors:
KOH HIDEKI
Application Number:
PCT/JP2006/302641
Publication Date:
August 24, 2006
Filing Date:
February 15, 2006
Export Citation:
Assignee:
SHARP KK (JP)
KOH HIDEKI
KOH HIDEKI
International Classes:
H01J65/00; G02F1/13357
Foreign References:
| JP2004079270A | 2004-03-11 | |||
| JP2003017005A | 2003-01-17 | |||
| JP2004273432A | 2004-09-30 | |||
| JP2003100482A | 2003-04-04 | |||
| JP2004241189A | 2004-08-26 | |||
| JP2004146351A | 2004-05-20 | |||
| JP2003036723A | 2003-02-07 | |||
| JP2001325919A | 2001-11-22 | |||
| JP2002334680A | 2002-11-22 |
Attorney, Agent or Firm:
Sano, Shizuo (2-6 Tenmabashi-Kyomachi, Chuo-K, Osaka-Shi Osaka 32, JP)
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