Tube LED

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United States of America Patent

PATENT NO 11421868
APP PUB NO 20170184294A1
SERIAL NO

15324367

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention further describes tube LED lamp (1) realised to replace a fluorescent tube lamp (70), which tube LED lamp (1) comprises a tube (12) containing an LED arrangement (10) with a number of LEDs (100); a connector arrangement (16A, 16B) with connectors (16) realized for insertion into sockets (50) of a socket arrangement (50A, 50B) of a tube lamp housing (5) incorporating a dimming ballast (20, 21); a driver circuit arrangement (11) for driving the LED arrangement (10), which driver circuit arrangement (11) is realized to output an LED current (ILED) on the basis of an input current provided by the dimming ballast (20, 21); and a safety switch (S13, M1) arranged within the tube (12) to electrically isolate connectors (16) of the connector arrangement (16A, 16B), wherein the safety switch (S13, M1) is arranged between the driver circuit arrangement (11) and the LED arrangement (10). The invention further describes a method of driving a tube LED lamp (1) from a dimming ballast (20, 21) of a fluorescent tube lamp (70).

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International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tao, Haimin Eindhoven, NL 72 616

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