US 7,550,926 B2
Highstrength discharge lamp with low glare and high efficiency for vehicles
Guosheng Chai, A Zone, Shi-Shan Technology Industry District, Nanhai, Fushan, Guongdong Province 528 225 (China); Zhengming Yang, A Zone, Shi-Shan Technology Industry District, Nanhai, Fushan, Guongdong Province 528 225 (China); Guangyi Gao, A Zone, Shi-Shan Technology Industry District, Nanhai, Fushan, Guongdong Province 528 225 (China); and Ming Zhang, A Zone, Shi-Shan Technology Industry District, Nanhai, Fushan, Guongdong Province 528 225 (China)
Appl. No. 10/560,562
PCT Filed Apr. 29, 2004, PCT No. PCT/CN2004/000429
§ 371(c)(1), (2), (4) Date Dec. 12, 2005,
PCT Pub. No. WO2005/045880, PCT Pub. Date May 19, 2005.
Claims priority of application No. 2003 2 0117732 (CN), filed on Nov. 06, 2003; application No. 2003 2 0117733 (CN), filed on Nov. 06, 2003; and application No. 2003 2 0119661 (CN), filed on Dec. 24, 2003.
Prior Publication US 2007/0018549 A1, Jan. 25, 2007
Int. Cl. H01J 1/02 (2006.01); H01J 17/16 (2006.01)
U.S. Cl. 313—639  [313/318.01; 313/634] 4 Claims
OG exemplary drawing
 
1. A capped xenon metal halide discharge lamp for vehicles comprising:
an arc tube, with said arc tube having walls, a gas tight outer envelope, with said outer envelope having walls, with said outer envelope disposed surrounding said arc tube, wherein said arc tube is made of pure quartz glass and filled with high pressure xenon,
a Mercury (Hg) and metal halide pellet disposed in said arc tube, wherein said outer envelop is made of glass which prevents transmission of ultra violet (UV) light, wherein said arc tube and said outer envelope define a space therebetween, wherein said space is exhausted to form a vacuum,
wherein said outer envelope comprises:
a portion of said outer envelope disposed proximate to said arc tube and wherein said walls of said arc tube and said walls of said outer envelope are generally parallel,
wherein said capped xenon metal halide discharge lamp further comprises:
a cap, with said lamp attached to said cap,
a plurality of poles formed on said cap, and
a hoop having a plurality of holes with said holes matching said plurality of poles formed on said cap.