LED LIGHTING DEVICE AND METHOD OF MANUFACTURING THE SAME
First Claim
Patent Images
1. A method of manufacturing a light emitting diode (LED) lighting unit comprising the steps of:
- providing a printed circuit board with pairs of electrical terminals formed on one side thereof;
integrally forming a casing on the one side of the printed circuit board by injection molding while exposing the pairs of electrical terminals;
providing a plurality of LED chips; and
electrically connecting each of the LED chips to each pair of electrical terminals.
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Abstract
A light emitting diode (LED) lighting unit is provided. The LED lighting unit includes a printed circuit board having pairs of electrical terminals formed on one side thereof, a casing integrally formed on the one side of the printed circuit board by injection molding, and a plurality of LED chips. Each of the LED chips is electrically connected to each pair of electrical terminals, and the LED chips are exposed in the casing. The printed circuit board may be provided with a plurality of apertures for receiving molding material of the casing during injection molding. A method of manufacturing the LED lighting unit is also provided.
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Citations
20 Claims
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1. A method of manufacturing a light emitting diode (LED) lighting unit comprising the steps of:
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providing a printed circuit board with pairs of electrical terminals formed on one side thereof; integrally forming a casing on the one side of the printed circuit board by injection molding while exposing the pairs of electrical terminals; providing a plurality of LED chips; and electrically connecting each of the LED chips to each pair of electrical terminals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A light emitting diode (LED) lighting unit comprising:
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a printed circuit board comprising pairs of electrical terminals formed on one side thereof; a casing integrally formed on the one side of the printed circuit board by injection molding; and a plurality of LED chips, each of the LED chips being electrically connected to each pair of electrical terminals, and the LED chips being exposed in the casing. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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18. A lighting device comprising one or more light emitting diode (LED) lighting units, each of the units comprising:
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a printed circuit board comprising pairs of electrical terminals formed on one side thereof; a casing integrally formed on the one side of the printed circuit board by injection molding, wherein the printed circuit board is provided with a plurality of apertures for receiving molding material of the casing during injection molding; a plurality of LED chips, each of the LED chips being electrically connected to each pair of electrical terminals, the LED chips being exposed in the casing, wherein the casing is in the form of an overlaying panel comprising a plurality of openings each exposing one pair of the electrical terminals, and defining a plurality of cavities for receiving the LED chips; and a light transmissible sealing material filled in each cavity encapsulating each of the LED chips in each of the cavities. - View Dependent Claims (19, 20)
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Specification