TWI420959B - Led module - Google Patents

Description

Light-emitting diode module

The invention relates to a lighting device, in particular to a light emitting diode module.

At present, Light Emitting Diode (LED) has been widely used in many fields due to its low power consumption, long life, small size and high brightness.

Generally, a light emitting diode module includes a circuit board and a plurality of light emitting units disposed on the circuit board. A circuit layer is formed on the circuit board, and the plurality of light emitting units are disposed at predetermined positions of the circuit board, and are electrically connected to each other through the circuit layer, and the two electrodes are electrically connected to the external power source. Since the circuit layer is disposed at a predetermined position of the circuit board, the position and the connection relationship between the plurality of light-emitting units are relatively fixed, for example, series, parallel or hybrid. . When it is necessary to change the connection relationship between the plurality of light emitting units, it is necessary to replace the circuit board and rearrange the plurality of light emitting units. Therefore, the plurality of light-emitting units included in the light-emitting diode module have a fixed connection relationship and cannot be freely combined as needed.

Hereinafter, a light-emitting diode module in which the connection manner of the light-emitting units can be freely combined will be described by way of an embodiment.

A light emitting diode module includes a circuit board, a first circuit layer, a plurality of electrode leads, a substrate, and a plurality of light emitting units. The first circuit layer is formed on the circuit board, and the first circuit layer is electrically connected to an external power source. The plurality of electrode pins are formed in the circuit On the board. The substrate is connected to the circuit board. The plurality of light emitting units are disposed on the substrate, and the plurality of light emitting units are electrically connected to the first circuit layer through the plurality of electrode pins, thereby adjusting a connection manner between the plurality of electrode pins and the first circuit layer, thereby Adjusting the connection mode between the plurality of light emitting units.

Compared with the prior art, the LED module can freely adjust the connection manner between the plurality of LED units by changing the connection manner between the plurality of electrode pins and the first circuit layer without Replace the board and reinstall the lighting unit. The LED module can freely adjust the connection manner of the plurality of light emitting units, has a simple structure, and the circuit board can be reused.

100‧‧‧Lighting diode module

12‧‧‧ boards

13‧‧‧First circuit layer

131‧‧‧ first interface

132‧‧‧Second interface

14‧‧‧Electrode pins

141‧‧‧first pair of electrode pins

142‧‧‧Second pair of electrode pins

143‧‧‧ third pair of electrode pins

15‧‧‧Substrate

16‧‧‧Second circuit layer

17‧‧‧Lighting unit

171‧‧‧First lighting unit

172‧‧‧second lighting unit

173‧‧‧3rd lighting unit

1 is a top plan view of a light emitting diode module in accordance with an embodiment of the present invention.

2 is a first circuit connection diagram of the LED module of FIG. 1.

Figure 3 is an equivalent circuit diagram of the circuit connections of Figure 2.

4 is a schematic view showing a second circuit connection of the LED module of FIG. 1.

Figure 5 is an equivalent circuit diagram of the circuit connections of Figure 4.

The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

Referring to FIG. 1 , an embodiment of the present invention provides a light emitting diode module 100 including a circuit board 12 , a first circuit layer 13 , a plurality of electrode leads 14 , a substrate 15 , and A plurality of light emitting units 17.

In this embodiment, the first circuit layer 13 is formed at one end of the circuit board 12, and the first interface 131 and the second interface 132 are extracted. The first interface 131 is an anode, and the second interface Interface 132 is a cathode. The first circuit layer 13 is for electrically connecting to an external power source.

The other end of the circuit board 12 is provided with a plurality of electrode pins 14. In this embodiment, the plurality of electrode pins 14 include a first pair of electrode pins 141, a second pair of electrode pins 142, and a third pair of electrode pins 143. Each pair of electrode pins includes an anode pin and a cathode pin. The plurality of electrode pins 14 are electrically connected to the first interface 131 and the second interface 132 of the first circuit layer 13 by wires, thereby achieving electrical connection with an external power source.

The substrate 15 has a flat shape for carrying the plurality of light emitting units 17. In the present embodiment, the substrate 15 is made of a metal material such as copper having good thermal conductivity, which can quickly dissipate the heat generated by the operation of the light-emitting unit 17 into the air. Of course, the substrate 15 can also be made of a thermally and insulating material and integrally formed with the circuit board 12.

The plurality of light emitting units 17 are disposed on the substrate 15. In this embodiment, the plurality of light emitting units 17 include a first light emitting unit 171, a second light emitting unit 172, and a third light emitting unit 173. Each of the light emitting units 17 is a light emitting diode. Of course, each of the light emitting units 17 may also be a lighting unit formed by connecting a plurality of light emitting diodes to each other. Further, the number and arrangement of the light-emitting units 17 can be adjusted as needed. In the embodiment, the substrate 15 is made of metal, and each of the light emitting units 17 is electrically connected to the plurality of electrode pins 14 by wire bonding.

In the embodiment, the LED module 100 further includes a second circuit layer 16 formed on the substrate 15 . The electrodes of the plurality of light-emitting units 17 are respectively led out through the second circuit layer 16 and electrically connected to the plurality of electrode leads 14 respectively. The plurality of electrode pins 14 are electrically connected to the first interface 131 and the second interface 132 of the first circuit layer 13 by wires, thereby achieving electrical connection with an external power source. The LED module 100 can be changed between the plurality of electrode pins 14 and The connection between the plurality of electrode pins 14 and the first interface 131 and the second interface 132 adjusts the connection manner of the plurality of light emitting units 17.

Referring to FIG. 2, a circuit connection manner of the LED module 100 provided by the embodiment of the present invention is shown. Specifically, the first pair of electrode pins 141, the second pair of electrode pins 142, and the anodes of the third pair of electrode pins 143 are electrically connected to each other and to the first interface 131 of the first circuit layer 13. The first pair of electrode pins 141, the second pair of electrode pins 142, and the cathodes of the third pair of electrode pins 143 are electrically connected to each other and electrically connected to the second interface 132 of the first circuit layer 13, thereby realizing the first An illumination unit 171, a second illumination unit 172, and the third illumination unit 173 are connected in parallel. Referring to FIG. 3, an equivalent circuit diagram of the LED module 100 is shown.

Referring to FIG. 4, another circuit connection manner of the LED module 100 provided by the embodiment of the present invention is shown. The anode of the first pair of electrode pins 141 is electrically connected to the cathode of the second pair of electrode pins 142 and is electrically connected to the second interface 132 of the first circuit layer 13. The cathode of the first pair of electrode pins 141 is electrically connected to the cathode of the third pair of electrode pins 143. The anode of the second pair of electrode pins 142 is electrically connected to the anode of the third pair of electrode pins 143 and is electrically connected to the first interface 131 of the first circuit layer 13. Therefore, after the first light emitting unit 171 and the second light emitting unit 172 form a series circuit, the third light emitting unit 173 is further connected in parallel to form a hybrid circuit. Please refer to FIG. 5 again, another equivalent circuit diagram of the LED module 100.

It can be understood that, in this embodiment, the connection relationship between the first illuminating unit 171, the second illuminating unit 172, and the third illuminating unit 173 is not limited to that shown in the foregoing embodiment, and the first pair of electrodes may be changed. The connection relationship between the leg 141, the second pair of electrode pins 142, and the third pair of electrode pins 143 and the first interface 131 and the second interface 132 can thereby establish a connection relationship between the plurality of light emitting units 17.

The LED module 100 can freely adjust the connection between the plurality of electrode pins 14 and the connection between the plurality of electrode pins 14 and the first interface 131 and the second interface 132. The connection between the light-emitting units 17 without replacing the circuit board and reinstalling the light-emitting unit 17. The LED module 100 can freely adjust the connection manner of the plurality of light emitting units 17, has a simple structure, and the circuit board 12 can be reused.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

100‧‧‧Lighting diode module

12‧‧‧ boards

13‧‧‧First circuit layer

131‧‧‧ first interface

132‧‧‧Second interface

14‧‧‧Electrode pins

141‧‧‧first pair of electrode pins

142‧‧‧Second pair of electrode pins

143‧‧‧ third pair of electrode pins

15‧‧‧Substrate

16‧‧‧Second circuit layer

17‧‧‧Lighting unit

171‧‧‧First lighting unit

172‧‧‧second lighting unit

173‧‧‧3rd lighting unit

Claims (6)

A light emitting diode module, the light emitting diode module includes: a circuit board; a first circuit layer, the first circuit layer is formed on the circuit board, and the first circuit layer is electrically connected to an external power source a second circuit layer, the second circuit layer is formed on the substrate; a plurality of electrode pins, the plurality of electrode pins are formed on the circuit board; a substrate, the substrate and the circuit And a plurality of light emitting units, wherein the plurality of light emitting units are disposed on the substrate, and electrodes of the plurality of light emitting units are led out through the second circuit layer and respectively passed through the plurality of electrode pins The first circuit layer is electrically connected to adjust a connection manner between the plurality of electrode pins and the first circuit layer, thereby adjusting a connection manner between the plurality of light emitting units. The light emitting diode module of claim 1, wherein the substrate is made of a metal material. The illuminating diode module of claim 2, wherein the plurality of illuminating units are disposed on the substrate and electrically connected to the plurality of electrode pins by wire bonding. The illuminating diode module of claim 1, wherein the substrate is made of a thermally conductive insulating material. The light emitting diode module of claim 4, wherein the substrate is integrally formed with the circuit board. The illuminating diode module of claim 1, wherein the first circuit layer leads to two interfaces, and the connection manner between the plurality of electrode pins and the two interfaces is adjusted, thereby adjusting the The manner of connection between the plurality of light emitting units is described.