Waterproof light bulb assembly
View Patent ↗A waterproof light bulb assembly implements a plurality of light emitting diodes (LEDs) for use in light fixture in an outdoor or wet environment. The light bulb assembly includes a plastic bulb shell which used a threaded portion to mate to a bulb cap. The bulb cap includes a passage to receive a light emitting assembly having a direct current (DC) connector. The light emitting assembly includes the plurality of LEDs and a printed circuit board. A switching circuit regulates current and heat emitted by the plurality of LEDs. The light bulb assembly also includes a socket to receive the plastic bulb shell and bulb cap.
1. A waterproof light bulb comprising:
a plastic bulb shell having a threaded portion corresponding to a first mating part;
a plastic bulb cap to fit into the first mating part of the plastic bulb shell and having a passage centered therewithin; and
a light emitting assembly having a direct current (DC) connector to fit through the passage within the bulb cap, wherein the light emitting assembly includes
a printed circuit board to fit into a step of the plastic bulb cap and connected to the DC connector,
a plurality of light emitting diodes configured on the printed circuit board to face upwards from the printed circuit board, and
a switching (LC) circuit embedded on the printed circuit board configured to regulate an amount of current operating at a switching frequency within by the light emitting assembly.
2. The waterproof light bulb of claim 1 , wherein a size of the plastic bulb shell corresponds to the amount of heat generated by the light emitting assembly.
3. The waterproof light bulb of claim 1 , wherein the bulb cap includes a second mating part to fit into the first mating part of the plastic bulb shell.
4. The waterproof light bulb of claim 3 , wherein the second mating part includes a tapered portion extending into the plastic bulb shell.
5. The waterproof light bulb of claim 1 , wherein the DC connector includes a cylindrical portion and an extension portion that extends beyond a bottom surface of the bulb cap.
6. The waterproof light bulb of claim 1 , wherein the light emitting assembly includes a diode to regulate current within the switching circuit.
7. The waterproof light bulb of claim 1 , wherein the light emitting assembly includes an integrated circuit to regulate current within the light emitting assembly.
8. The waterproof light bulb of claim 1 , wherein the switching circuit includes a resistor.
9. The waterproof light bulb of claim 1 , wherein the plurality of light emitting diodes comprises two light emitting diodes aligned together on the printed circuit board.
10. A waterproof light bulb assembly comprising:
a plastic bulb shell having an exterior threaded portion;
a plastic bulb cap configured to fit within the plastic bulb shell and having a passage therein;
a light emitting assembly having a direct current (DC) connector to fit through the passage within the plastic bulb cap, wherein the light emitting assembly includes
a printed circuit board connected to the DC connector,
a plurality of light emitting diodes configured on the printed circuit board to face upwards from the printed circuit board, and
a switching (LC) circuit embedded on the printed circuit board to regulate an amount of current operating at a switching frequency within by the light emitting assembly; and
a socket having an interior threaded portion to receive the exterior threaded portion of the plastic bulb shell, the socket including
a female connector to receive the DC connector, and
an O-ring positioned in the female connector to engage the DC connector.
11. The waterproof light bulb assembly of claim 10 , further comprising a mount connected to a bottom portion of the socket.
12. The waterproof light bulb assembly of claim 11 , wherein the mount includes two arm opposite each other, each arm having a hole therein positioned to receive a screw from the socket.
13. The waterproof light bulb assembly of claim 11 , wherein the mount includes a center hole.
14. The waterproof light bulb assembly of claim 10 , wherein a size of the plastic bulb shell corresponds to the amount of heat generated by the light emitting assembly.
15. The waterproof light bulb assembly of claim 10 , wherein the female connector is configured to connect to a wire to provide power to the waterproof light bulb assembly.
16. A light emitting assembly for a light bulb, the light emitting assembly comprising:
a direct current (DC) connector having a tab;
a printed circuit board to connect to the tab of the DC connector;
a plurality of light emitting diodes configured on the printed circuit board to face upwards from the printed circuit board; and
a switching (LC) circuit embedded on the printed circuit board to regulate an amount of current operating at a switching frequency within by the light emitting assembly.
17. The light emitting assembly of claim 16 , further comprising an integrated circuit to regulate current to the switching circuit.
18. The light emitting assembly of claim 16 , further comprising a diode to regulate current.
19. The light emitting assembly of claim 16 , wherein the switching circuit includes a resistor.
20. The light emitting assembly of claim 16 , wherein the print circuit board includes a circular shape having a diameter that corresponds to the light bulb.