Retrofit light emitting diode tube
First Claim
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1. A retrofit LED light tube for replacing a fluorescent light tube in a troffer fixture, the LED retrofit light tube comprising:
- an elongated cylindrical transparent envelope;
a base cap at each end of the envelope, wherein the base cap comprises a first prong and a second prong extending from the base cap, wherein the first and second prongs are adapted to electrically communicate with a fluorescent light socket; and
at least one LED device in electrical communication with the base cap, wherein a positive terminal of the LED device is in electrical communication with the first prong and a negative terminal is in electrical communication with the second prong.
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Accused Products
Abstract
An LED light tube for replacement for fluorescent light tubes includes an elongated cylindrical transparent envelope, a base cap at each end of the envelope, and at least one LED device in electrical communication with the base cap. The LED light tube is adapted for use in troffer light fixtures.
238 Citations
18 Claims
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1. A retrofit LED light tube for replacing a fluorescent light tube in a troffer fixture, the LED retrofit light tube comprising:
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an elongated cylindrical transparent envelope;
a base cap at each end of the envelope, wherein the base cap comprises a first prong and a second prong extending from the base cap, wherein the first and second prongs are adapted to electrically communicate with a fluorescent light socket; and
at least one LED device in electrical communication with the base cap, wherein a positive terminal of the LED device is in electrical communication with the first prong and a negative terminal is in electrical communication with the second prong. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An LED light tube for replacement of a fluorescent light tube, the LED light tube comprising:
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an elongated, cylindrical transparent envelope;
a base cap at each end of the envelope, wherein the base cap comprises a first prong and a second prong extending from the base cap; and
at least one serial string of LEDs in electrical communication with the base cap having circuitry means for connection with an AC source through a nondissipative voltage dropping element, wherein each one of the at least one serial string of LEDs are connected in parallel with the other and are enclosed in the envelope. - View Dependent Claims (10, 11)
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12. A troffer LED light tube fixture comprising:
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a housing comprising a tube holder, wherein the tube holder comprises electrical sockets adapted to receive and electrically communicate an LED light tube; and
an LED light tube disposed in the tube holder, wherein the LED light tube comprises an elongated, cylindrical transparent envelope, a base cap at each end of the envelope, wherein the base cap comprises a first prong and a second prong extending from the base cap, and at least one serial string of LEDs in electrical communication with the base cap having circuitry means for connection with an AC source through a nondissipative voltage dropping element, wherein each one of the at least one serial string of LEDs are connected in parallel with the other and are enclosed in the envelope. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification