ELECTRODE FOR HOT CATHODE FLUORESCENT LAMP

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United States of America Patent

APP PUB NO 20100264810A1
SERIAL NO

12810054

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An electrode of a hot cathode fluorescent lamp includes a pair of lead wires which are inserted from the outside into a glass tube, passing through a leading end of the glass tube, ends of each of the pair of lead wires protruding outward from an outer surface and inward from an inner surface of the glass tube, respectively, shape-keeping members with leading ends welded into and fixed to leading ends of the lead wires, respectively which protrude inward from the inner surface of the glass tube, a filament coil provided with leg portions which surround the shape-keeping members and are welded into and fixed to the lead wires along with the shape-keeping members at both leading ends of a coil portion for emitting electrons, and a sleeve installed inside the glass tube and surrounding the filament coil.

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Patent Owner(s)

Patent OwnerAddress
KUMHO ELECTRIC INC418 MAPO-DONG MAPO-GU SEOUL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Byung Hyun Gyeonggi-do, KR 64 61
Lee, Young Bok Kwangju-si, KR 49 159

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges42557203944620138683901 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +0255075100125150175200225250275300325350375400425450475500525550575600

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