Lamp and method of manufacturing the same

Details Lamp and method of manufacturing the same Lamp and method of manufacturing the same

2006-10-17

2006-10-17

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

Having electrode exterior to envelope

C313S234000, C427S430100

Reexamination Certificate

active

07122964

ABSTRACT:
In a lamp and method for fabricating the same, an outer surface of the lamp tube is dipped into a conductive transparent solution for forming an electrode by a predetermined depth, and then the lamp tube is pulled out from the solution. Accordingly, an electrode having different profiles is formed on the outer surface of the tube body. Also, the outer surface of the lamp tube is dipped into the solution by an acute angle, and is pulled out from the solution. Therefore, a problem of a nonuniform brightness between lamps is not generated, and light utilization efficiency is much enhanced even when using a plurality of lamp in parallel connected to a power supply.

REFERENCES:
patent: 6515433 (2003-02-01), Ge et al.
patent: 10-134773 (1998-05-01), None
patent: 11-40109 (1999-02-01), None
patent: 2000-100389 (2000-04-01), None
patent: WO 01/79922 (2001-10-01), None
PCT International Search Report; International application No. PCT/KR02/00735; International filing date: Apr. 22, 2002; Date of Mailing: Oct. 15, 2002.
PCT International Preliminary Examination Report International Application No. PCT/KR2002/000735; International Filing date Apr. 22, 2002; Date of completion Oct. 18, 2004.

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