U-SHAPED LIGHT EMITTING DIODE TUBE LAMP
First Claim
Patent Images
1. An LED tube lamp for use in bent tube fixtures comprising:
- an elongate tube comprising;
an axial length;
a first tube end;
a second tube end; and
an outer shell defining a cavity and an elongate tube axis,wherein the elongate tube axis traverses the longitudinal length of the elongate tube and is U-shaped;
a printed circuit board housed within the cavity and having an anterior surface and a posterior surface;
a plurality of LEDs mounted on the anterior surface of the printed circuit board;
a first connector coupled to the first tube end; and
a second connector coupled to the second tube end.
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Abstract
An LED lamp for use in two-by-two light fixtures having coplanar electrical receptacles. The LED lamp is ideal for use as a replacement of fluorescent lamps in existing fluorescent fixtures and is U shaped with electrical connectors at each end. The U shaped elongate tube is made of an outer shell defining a cavity with a PCB mounted therein. The LED elements are mounted on the PCB. The LED lamp does not have coupling connectors enabling it to emit light along the entire axial length of the tube.
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Citations
17 Claims
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1. An LED tube lamp for use in bent tube fixtures comprising:
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an elongate tube comprising; an axial length; a first tube end; a second tube end; and an outer shell defining a cavity and an elongate tube axis, wherein the elongate tube axis traverses the longitudinal length of the elongate tube and is U-shaped; a printed circuit board housed within the cavity and having an anterior surface and a posterior surface; a plurality of LEDs mounted on the anterior surface of the printed circuit board; a first connector coupled to the first tube end; and a second connector coupled to the second tube end. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An LED tube lamp formed by a process comprising the steps of:
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forming a light permeable anterior outer shell section in a U shape; forming a posterior outer shell section in a U shape; mounting a plurality of light emitting diodes on an anterior surface of a U shaped printed circuit board; fastening the printed circuit board to the posterior outer shell section; ultrasonically welding the anterior outer shell section to the posterior outer shell section to form an elongate tube with a first tube end and a second tube end; screwing a first connector onto the first tube end; and screwing a second connector onto the second tube end.
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17. An LED tube lamp formed by a process comprising the steps of:
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forming an elongate tube from a light permeable outer shell defining a cavity into a U shape, wherein the elongate tube has a first tube end and a second tube end; drawing a flexible printed circuit board with a plurality of light emitting diodes mounted thereon through the cavity; affixing the printed circuit board within the cavity; coupling a first connector to the first tube end; and coupling a second connector to the second tube end.
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Specification