Title:
PROJECTION LAMP BULB AND PROJECTION LAMP WITH THE BULB
Document Type and Number:
WIPO Patent Application WO/2006/045232
Kind Code:
A1
Abstract:
The present invention discloses a projection lamp bulb used for the projection system. The said projection lamp bulb includes a bulb, two electrodes and two glass stems connected with the bulb. The said bulb is located in the middle part. The two electrodes is located at the two sides of the bulb, respectively, and one end of each of the electrodes is positioned inside of the bulb and the other end is drawn out from the bulb and then beyond the glass stems, wherein the bulb is a tube-like. The projection lamp bulb in the projection lamp according to the present invention is coupled with the non-spherical reflector in the style of transverse installation, which can improve the uniform degree of the light, and decrease the producing cost and the material cost of the curve reflectors, and prolong the life of the curve reflectors.
Inventors:
LUO XIAOLING (CN)
Application Number:
PCT/CN2005/001388
Publication Date:
May 04, 2006
Filing Date:
September 02, 2005
Export Citation:
Assignee:
LUO XIAOLING (CN)
International Classes:
G03B21/14; G03B21/20; H01J5/02; H01J61/02; H01J61/30; (IPC1-7): H01J61/30; H01J61/02
Foreign References:
| CN1170231A | 1998-01-14 | |||
| CN2066620U | 1990-11-28 | |||
| CN1393905A | 2003-01-29 | |||
| CN1358323A | 2002-07-10 | |||
| CN1129491A | 1996-08-21 | |||
| CN86207023U | 1987-12-09 | |||
| JPH07262966A | 1995-10-13 |
Attorney, Agent or Firm:
Unitalen, Attorneys Law AT. (Scitech Place No. 22, Jian Guo Men Wai Ave, Chao Yang District Beijing 4, CN)
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