H - Electricity – 01 – J
Patent
H - Electricity
01
J
H01J 61/42 (2006.01) H01J 61/32 (2006.01) H01J 61/52 (2006.01) H01J 61/72 (2006.01)
Patent
CA 2094487
ABSTRACT OF THE PRESENT INVENTION. A fluorescent lamp comprising a glass drum of both sides forming a hole in the center that an opening part is slightly bended inside as a B1 type with a length L5 and a diameter D1 wider than a diameter of a conventional glass tube and the other opening part being blocked with a side wall, a base adhered to an opening part of this glass drum, and a glass narrow tube inserted and deposited in the hole of the glass drum and having a wall in a length L6 and a diameter narrower than a diameter of the conventional glass tube coated with the thin film fluorescent material having increased the luminous efficiency and also having delyed the speed of the black conversion phenomenon and having improved the cooling efficiency because the self-absorption rate of ultraviolet ray can be narrower than the glass narrow tube of the center part narrower than the conventional glass tube and the rising of the temperature can be restrained in a pair of glass drum wider than the conventional glass tube. Applicant : Seung Jae, CHOI 14
Choi Seung J.
Robic
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