Title:
ELECTRIC DISCHARGE TUBE, METHOD FOR FORMING REFLECTIVE FILM OF ELECTRIC DISCHARGE TUBE, AND LIGHT EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2010/084770
Kind Code:
A1
Abstract:
Disclosed is a light emitting device comprised of a glass bulb (2), and a reflective film (13) formed on the outer peripheral surface of the glass bulb (2) at an angular range of at least 230°, so that the reflective film (13) having a sufficient thickness can be obtained in a large area of the outer peripheral surface of an electric discharge tube (22), and an uniform light intensity distribution is obtained.
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Inventors:
OGINO YASUSHI
TSUTSUMI KIYOSHI
MURAI TOSHIAKI
TSUTSUMI KIYOSHI
MURAI TOSHIAKI
Application Number:
PCT/JP2010/000384
Publication Date:
July 29, 2010
Filing Date:
January 25, 2010
Export Citation:
Assignee:
PANASONIC CORP (JP)
OGINO YASUSHI
TSUTSUMI KIYOSHI
MURAI TOSHIAKI
OGINO YASUSHI
TSUTSUMI KIYOSHI
MURAI TOSHIAKI
International Classes:
H01J61/35; G03B15/02; G03B15/05; H01J9/20
Foreign References:
| JPH0427562U | 1992-03-04 | |||
| JPH09180683A | 1997-07-11 | |||
| JPH04206252A | 1992-07-28 | |||
| JPS60109261U | 1985-07-24 | |||
| JP2000514592A | 2000-10-31 | |||
| JPH0629002A | 1994-02-04 | |||
| JP2006196347A | 2006-07-27 |
Other References:
None
See also references of EP 2383770A4
See also references of EP 2383770A4
Attorney, Agent or Firm:
NAITO, Hiroki et al. (JP)
Hiroki Naito (JP)
Hiroki Naito (JP)
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