KR100983082B1 - Penetrating-type connector for combining into metal PCB, and LED lighting module having the same - Google Patents

Abstract

The through-type connector is fastened vertically through the through hole formed in the metal PCB, eliminating the soldering process of the connector connection part and penetrating through the metal printed circuit board without mounting the connector on one side of the LED emitting surface. A through-type connector and a light emitting diode (LED) lighting module having the same are provided.

The LED lighting module may include: a metal PCB formed by stacking a heat dissipating metal base substrate, an insulating layer, and a conductive pattern, and having at least one through hole and an electrode pad adjacent to the through hole; At least one light emitting diode (LED) mounted on the metal PCB; And a penetrating-type connector having a power pin formed in the vertical direction through the through-hole of the metal PCB and electrically contacting the electrode pad of the metal PCB to supply power to at least one LED. Include.

LED Lighting Module, Through Connector, Metal PCB, Metal Base Board

Description

Penetrating-type connector for combining into metal PCB, and LED lighting module having the same}

The present invention relates to a light emitting diode lighting module, and more particularly, in a light emitting device (LED) lighting module, is fastened through a heat dissipating metal PCB (Metal Printed Circuit Board) to apply a driving signal to the LED. It relates to a through-type connector (Penetrating-type connector) and an LED lighting module having the same.

Printed Circuit Board (PCB) is also called Printed Wiring Board (PWB) and refers to a wiring board that is electrically connected between components or signal lines by mounting electronic components. The PCB forms a conductive pattern according to a circuit after compressing copper foil on one or both surfaces of an insulating plate such as phenol resin and epoxy resin, and removes unnecessary portions to form a circuit by etching copper foil.

The PCB is plated with a hole for penetrating the lead housing of the electronic component or a hole for connecting the wiring between the top and bottom surfaces, and the top and bottom surfaces are photo solder resist (PSR) ink. The PCB is completed by coating with. PCBs include single-sided or double-sided normal PCBs, carbon PCBs, metal PCBs, multi-layer PCBs, and flexible PCBs.

Recently, when the PCB used for various parts as well as the light emitting diode (LED) has been pointed out that the heat dissipation effect is raised, in order to solve this problem, PCB (metal PCB) employing a metal material such as aluminum or copper alloy has been in the spotlight in the market. .

Such a metal PCB has an excellent heat dissipation and a strong mechanical strength so as to be called a heat dissipation metal substrate, thereby increasing the mounting components. In addition, when the copper plate is used as a power source, it can cope with a large current. In particular, recently, since a metal PCB is manufactured by using a rigid substrate and a flexible substrate, it has evolved in the direction of increasing the connection reliability while having the properties of the metal substrate.

Meanwhile, various forms of advertisement panels are used for advertisement or decoration. In this case, in the case of a typical advertisement panel, a separate lighting device is used so that people can easily recognize advertisement contents even at night. As such a lighting device, it is common to use a lighting lamp such as a fluorescent lamp or a neon lamp, but in the case of such a lighting lamp, its life is short, and there is a lot of problems such as the trouble of having to replace the lighting lamp at any time. Therefore, recently, LED lighting module using semi-permanent and relatively low power consumption LED is applied to the advertising panel.

1 is a perspective view of an LED lighting module having a connector mounted on a PCB according to the prior art.

Referring to FIG. 1, the LED lighting module 1 according to the related art includes a PCB 10, an LED 20, a switching transistor 30, a resistor 40, and connectors 50a and 50b. In the LED lighting module according to the related art, a plurality of LEDs 20 are arranged in a rectangular shape on the PCB 10, and a transistor 30 for controlling the blinking of each of the LEDs 20 includes a PCB 10. It is provided on). In this case, the first connector 50a may be soldered by the connector pin 51 on the PCB 10 and may be coupled to the second connector 50b by a male and female coupling.

2 is a vertical cross-sectional view of an LED lighting module having a connector mounted on a PCB according to the prior art.

Referring to FIG. 2, in the LED lighting module 1 according to the related art, the PCB 10 is a heat dissipating metal PCB composed of an insulating layer 11, a conductive pattern 12, and a metal base substrate 13. Can be.

However, the LED lighting module 1 according to the related art requires a separate process of soldering the connector pin 51 of the first connector 50a on the PCB 10, as shown by reference numeral A. In addition, since the first connector 50a is mounted on one side of the LED light emitting surface on the PCB 10, there is a problem that it is difficult to obtain a uniform LED light emitting surface.

The technical problem to be solved by the present invention is to provide a LED lighting module that does not require a soldering process of the connector connection by fastening the through-type connector in the vertical direction through the through-hole formed in the metal PCB. .

In addition, another technical problem to be achieved by the present invention is to provide a LED lighting module that does not mount the connector on one side of the LED emitting surface by fastening the through-type connector through the through hole formed in the metal PCB.

In addition, another technical problem to be achieved by the present invention is to provide a through-type connector that is fastened in the vertical direction through the through-hole formed in the metal PCB to apply a drive signal to the LED lighting module.

As a means for achieving the above-described technical problem, the LED lighting module according to the present invention is formed by laminating a heat-dissipating metal base substrate, an insulating layer and a conductive pattern, at least one through hole and the through hole A metal printed circuit board (PCB) having electrode pads adjacent thereto; At least one light emitting diode (LED) mounted on the metal PCB; And a through-type connector through which the power pin is electrically connected to the electrode pad of the metal PCB and fastened in a vertical direction through the through hole of the metal PCB to supply power to the at least one LED. do.

Here, the through-type connector is characterized in that the through-through fastening through the through-hole from the upper surface to the lower surface of the metal PCB mounted with the LED.

In this case, the electrode pad of the metal PCB is electrically separated from the positive electrode pin and the negative electrode pin of the through-type connector, characterized in that each contact.

Here, the metal PCB is characterized in that two through-holes in which the positive electrode pin and the negative electrode pin of the through-type connector are inserted, respectively.

On the other hand, as another means for achieving the above-described technical problem, the through-type connector according to the present invention, the through-type connector (Penetrating-type connector) is fastened through the metal PCB in which the through-hole and the electrode pad is formed in a vertical direction The upper connector is inserted into and fixed in the vertical direction through the through hole formed on the metal PCB in the upper surface direction of the metal PCB, the upper connector is formed with a power pin in electrical contact with the electrode pad formed on the upper surface of the metal PCB ; And a lower connector fastened with the upper connector in a lower surface direction of the metal PCB, and having a power pin coupled to the upper pin for connecting the power supply line for supplying power.

Here, the upper connector and the lower connector is one of the male (male) connector and the other is the female (female) connector, it characterized in that the male and female are fastened to each other.

The upper connector may include an upper connector housing in which a thread is formed at a portion of the metal PCB; An upper connector power pin fixed in the upper connector housing and connected to the lower connector power pin; And a spring type connection terminal extending from the power pin for the upper connector to be in electrical contact with the electrode pad of the metal PCB.

The lower connector may include a lower connector housing in which a screw thread is screwed to the thread of the upper connector housing; A power line for supplying power; And a spring pin fixed to the lower connector housing and formed to extend from the power line so as to be connected to the upper connector power pin.

According to the present invention, by fastening the through-type connector in the vertical direction through the through-hole formed in the metal PCB, there is no need for soldering the connector connection portion, thereby simplifying the manufacturing and assembly process.

According to the present invention, it is possible to provide a uniform LED light emitting surface without mounting the connector on one side of the LED light emitting surface by fastening the through type connector through the through hole formed in the metal PCB.

In addition, according to the present invention, the through hole formed in the metal PCB can be fastened in a vertical direction simply to apply a driving signal to the LED lighting module.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

As an embodiment of the present invention, there is provided a LED lighting module consisting of a metal PCB formed with a through hole, and a through type connector that can be inserted into and fastened in a vertical direction on the metal PCB.

First, a description of the LED lighting module using a general metal PCB is as follows.

Until recently, LED devices were used mainly for display purposes due to their low efficiency, and resin-based substrates were mainly used because high heat dissipation was not required. However, with the recent high brightness and high efficiency of LEDs and the remarkable improvement of blue LED devices, attempts to examine their applicability in LCD, home appliances, and electronics fields have been accelerated. In addition, the scope of application has been expanded due to the steep penetration rate of digital home appliances and flat panel displays and the cost savings of LED alone.

The heat generated from the LED is radiated into the air through the heat sink fins and the like through the package and the substrate. In the past, a resin-based substrate such as a glass epoxy substrate (FR-4 substrate) was used because a substrate with an LED element has a small LED output. However, in the case of a power LED used for lighting, the luminous efficiency is 20-30%, and the chip size is small, so that the amount of heat generated per unit area is very high despite the low overall power consumption.

Power LEDs equipped with such LEDs are being studied in the field of electronics, consumer field (LCD), and lighting, and particularly active research in the field of electronics. As a result, power saving, high lifespan, high brightness and color reproducibility are required for LEDs, and high power is required. Therefore, high heat dissipation is inevitable for power LED boards equipped with power LEDs. Substrates are used, and above that, high heat radiation substrates such as metal base substrates and ceramic substrates are used. In particular, since the heat dissipation of the substrate has a great impact on the performance and life of the LED, the metal base substrate is treated as an important basic component in designing a high brightness LED product.

Such a metal base substrate can be said to be a substrate utilizing the characteristics of metal such as high thermal conductivity, easy processability, magnetic shielding, and thermal shock resistance, in addition to the characteristics of a conventional resin substrate or a ceramic substrate. Basically, it is a laminated board | substrate which bonded copper foil to epoxy resin on one side of the metal base. By changing the combination of the base metal material and the insulating layer material, it is possible to cope with various applications.

3 to 11, a through-type connector fastened through a metal PCB and an LED lighting module having the same will be described in detail.

3 is a perspective view of the LED lighting module having a through-type connector fastened through the metal PCB according to an embodiment of the present invention.

Referring to FIG. 3, the LED lighting module 100 according to the embodiment of the present invention includes a metal PCB 110, an LED 120, and a through connector 130, and the metal PCB 110 includes an insulating layer. 111, a conductive pattern 112, and a metal base substrate 113.

The metal PCB 110 is formed by stacking a heat dissipating metal base substrate 113, an insulating layer 111, and a conductive pattern 112, and includes at least one through hole and an electrode pad adjacent to the through hole. Equipped. Here, the electrode pad is formed to extend from the conductive pattern 112 to be adjacent to the through hole, and typically the upper portion of the conductive pattern 112 is insulated coated, and the electrode pad is not insulated coated and the metal part is not coated. It is formed in an exposed state.

The metal PCB 110 refers to a PCB using the insulating layer 111 by attaching a metal (Metal) that does not flow electricity, rather than a conventional epoxy resin, it is fast thermal conductivity and easy to heat. Specifically, since the metal PCB 110 has a stronger heat resistance than the conventional PCB using a resin-based insulating layer 111 such as epoxy, mainly in places where heat resistance is required such as heat generated electronics, information and communication devices, motors As the material, a silicon steel sheet, a galvanized steel sheet, and an aluminum disc are used.

At least one LED 120 is mounted on the metal PCB 110. The LED 120 may consist of one set of red, blue and green LEDs, which may be repeatedly placed on the metal PCB 110. The arrangement of the LED 120 may vary depending on the lighting to be implemented. The LED 120 arrangement and the circuit configuration will be apparent to those skilled in the art, so detailed description thereof will be omitted.

The through connector 130 is perpendicular to the metal PCB 110 through the through hole of the metal PCB 110 in order to apply a driving signal to the at least one LED 120 through the power line 134. It is fastened through. In this case, the through connector 130 has a power pin that is in electrical contact with the electrode pad of the metal PCB 120.

Therefore, the electrode pad of the metal PCB 110 is electrically separated from the positive electrode pin and the negative electrode pin of the through connector 130 to be in contact with each other. Detailed description will be described later.

4 is a vertical cross-sectional view of the LED lighting module having a through-type connector fastened through the metal PCB according to an embodiment of the present invention.

Referring to FIG. 4, the LED lighting module 100 according to the embodiment of the present invention includes a metal PCB 110, an LED 120, and a through connector 130, and the metal PCB 110 includes an insulating layer ( 111, a conductive pattern 112, and a metal base substrate 113, and the through connector 130 may be formed of an upper connector 130a and a lower connector 130b that are male and female.

The metal PCB 110 is formed of a metal base substrate 113 and an insulating layer 111, and a conductive pattern 112 for applying a driving signal to at least one or more LEDs 120 is formed on the insulating layer 111. Is formed on the phase.

Metal PCB 110, as shown by reference numeral B, forms an insulating layer 111 on a metal base substrate 113 of aluminum, and as a conductive layer for forming a conductive pattern 112 thereon, for example For example, it may be laminated in the order of copper (112-1), nickel (112-2), gold or silver layer (112-3).

Here, the metal base substrate 113, which is a heat sink, absorbs heat generated by the LED 120 using, for example, aluminum (Al) having high thermal conductivity. In addition, the metal base substrate 113, which is a heat sink, may be formed of various materials having high thermal conductivity.

The uppermost layer is formed of a gold or silver layer 112-3, and may reflect light emitted to the bottom of the LED 120 to efficiently emit light. This makes it possible to emit high brightness by emitting light toward one surface of the LED 120 using a metal having high light reflectance. Therefore, the reflective layer may be formed of another metal having high light reflectance.

It is preferable to form the copper layer 112-1 as the conductive layer serving as the conductive wiring of the circuit portion, and to form the nickel layer 112-2 on the upper surface thereof, which is a method of conducting current between the metal and the semiconductor. This is because it acts as a barrier layer that blocks carriers (electrons or holes) and prevents them from easily flowing to one side.

In addition, the metal base substrate 113 absorbs heat generated from the at least one LED 120 to act as a heat sink having a heat radiation effect. The insulating layer 111 may be formed in a thin layer while preventing electrical connection between the wiring baton 112, which is a conductive layer, and the metal base substrate 113, which is a heat dissipation layer, to increase the heat dissipation effect. In addition, for example, red, green, and blue LEDs 120 may be mounted on the metal PCB 110, and each LED 120 chip may be connected to a conductive pattern 112 that can independently control the chip 120. The metal PCB 110 according to the embodiment of the present invention is a metal PCB because it is substantially the same as the existing metal PCB 110, except that a through hole through which the through-type connector 130 can be fastened is formed. Description of the manufacturing method of (110) will be omitted.

The LED 120 chip is bonded using silver epoxy or a solder alloy, and connects the LED electrode to the conductive pattern 112. In this case, the bonding and the electrode connection may be performed by a suitable method such as die bonding, wire bonding or flip chip bonding according to the structure of the LED 120 chip.

The through connector 130 may be fastened through the through hole from the upper surface to the lower surface of the metal PCB 110 on which the LED 120 is mounted.

The through connector 130 includes an upper connector 130a and a lower connector 130b, and the upper connector 130a is inserted in the vertical direction through the through hole in the upper surface direction of the metal PCB 110. And fixed, and a power pin 132a is formed in electrical contact with the electrode pad formed on the upper surface of the metal PCB 110. In addition, the lower connector 130b is coupled to the upper connector 130a in the lower surface direction of the metal PCB 110 to connect a power line 134 for supplying power to the at least one LED 120. A power pin 132b fastened to the power connector pin for the upper connector is formed. At this time, the upper connector (130a) and the lower connector (130b) is one of the male (male) connector and the other is the female (female) connector, it is fastened to each other.

Therefore, in the LED lighting module 100 according to the embodiment of the present invention, the through-type connector 130 can be simply fastened through the upper connector 130a and the lower connector 130b in a one-touch manner, and also, a metal PCB Since the power is supplied to the opposite side of the LED 120 emitting surface of 110, it is possible to provide a uniform emitting surface.

On the other hand, Figure 5 is a plan view of the LED lighting module having a through-type connector fastened through the metal PCB according to an embodiment of the present invention, Figure 6 is a through-through fastened through the metal PCB according to an embodiment of the present invention Back view of LED lighting module with connector.

Referring to FIG. 5, in the LED lighting module according to the exemplary embodiment of the present invention, the upper connector 130a is fastened to the upper surface of the metal PCB 110. Specifically, an insulating layer 111 and a conductive pattern 112 are formed on the upper surface of the PCB 110 on which the LED 120 is mounted, and the upper connector 130a is connected to the metal PCB 110 through the through hole. Can be fastened.

Referring to FIG. 6, in the LED lighting module according to the exemplary embodiment of the present invention, the lower connector 130b is coupled to the upper connector 130a on the lower surface of the PCB 110. In detail, the metal base substrate 113 is formed on the lower surface of the PCB 110, and the lower connector 130b may be fastened to the upper connector 130a.

In an embodiment of the present invention, after the upper connector 130a is first fastened in the upper surface direction of the metal PCB 110, the lower connector 130b is connected to the upper connector 130a in the lower surface direction of the metal PCB 110. It is preferred to be fastened.

On the other hand, Figure 7 is a cross-sectional view showing an example of a through-type connector fastened through the metal PCB according to an embodiment of the present invention.

Referring to FIG. 7, a through connector 130 according to an exemplary embodiment of the present invention includes an upper connector 130a and a lower connector 130b, wherein the upper connector 130a is a female connector, and a lower portion thereof. The case where the connector 130b is a male connector is shown.

The upper connector 130a may include an upper connector housing 131a, a power connector pin 132a for the upper connector, a protruding electrode terminal 133, a locking step 135, a separation bar 136, and the like. . The lower connector 130b may include a lower connector housing 131b, a power connector pin 132b for the lower connector, a power line 134, and a locking step accommodating part 137, and this structure is merely illustrative. It is for the purpose of, but not limited to.

The upper connector housing 131a and the lower connector housing 131b may be formed of a resin or plastic material, and the upper connector power pin 132a and the lower connector power pin 132b are made of highly conductive metal. do.

The upper connector power pin 132a is fixed in the upper connector housing 131a and is connected to the lower connector power pin 132b.

The protruding electrode terminal 133 may be formed to protrude from the power pin 132b for the upper connector so as to be in electrical contact with the electrode pad of the metal PCB 110. That is, the protruding electrode terminal 133 is formed to protrude so that a part of the upper power supply pin 132a for easy contact with the electrode pad of the metal PCB 110.

The latching jaw 135 may be formed to firmly fix the upper connector 130a on the metal PCB 110.

The separation bar 136 is for electrically separating the power pins 132b for the two upper connectors. At this time, the separation bar 136 may be coupled to the lower connector 130b, as shown by reference numeral D, to electrically separate the power pin 132b for the lower connector of the lower connector 130b.

The power line 134 of the lower connector is for supplying power to the LED lighting module, for example, may be a power cable.

The lower connector power pin 132b is fixed in the lower connector housing 131b and is formed to extend from the power line 134, and as shown by reference numeral C, the power connector pin 132a for the upper connector. And can be fastened to each other in a male and female manner.

On the other hand, Figure 8 is a cross-sectional view showing a through-type connector fastened through the metal PCB according to another embodiment of the present invention.

Referring to FIG. 8, the through connector 230 according to the embodiment of the present invention includes an upper connector 230a and a lower connector 230b. Compared to FIG. 7, the upper connector 230a is A male connector is shown and the lower connector 230b is a female connector.

The upper connector 230a may include an upper connector housing 231a, a power connector pin 232a for the upper connector, a protruding electrode terminal 233, a locking step 235, a separation bar 236, and the like. The lower connector 230b may include a lower connector housing 231b, a power connector pin 232b for the lower connector, a power line 234, and a locking step accommodating part 237.

The separation bar 236 is for electrically separating the power pins 232b for the two upper connectors, and the separation bar 236 is fastened to the lower connector 230b to be connected to the lower connector 230b, as shown by reference numeral E. FIG. The power supply pin 232b for the lower connector 230b may be electrically disconnected.

In addition, the lower connector power pin 232b is fixed in the lower connector housing 231b and is formed to extend from the power line 234, and as shown by reference numeral F, the power connector pin for the upper connector ( 232a) and may be fastened to each other in a male and female manner.

Meanwhile, FIGS. 9 and 10 are plan views illustrating a metal PCB through which a through type connector according to another embodiment of the present invention is fastened.

Referring to FIG. 9, the metal PCB according to another embodiment of the present invention includes two wiring through holes 141 and 142 into which the positive electrode pin and the negative electrode pin of the through connector are inserted, respectively. Indicates that this can be formed. Specifically, the positive connector and the negative electrode pin of the upper connector of the through connector are separated from each other and inserted through two wiring through holes 141 and 142 in the upper surface direction of the metal PCB. In the above-described metal PCB 110 of FIGS. 7 and 8, a through hole for wiring through which the through-type connector is formed is formed, whereas the through-through connector of the metal PCB 110 of FIG. Two wiring through-holes 141 and 142 can be formed, and the through-type connector is easily mounted on the metal PCB 110.

That is, in the above-described metal PCB of FIGS. 7 and 8, in the case of the through-type connector inserted through one wiring through-hole, the metal PCB of FIG. 9 may be inserted through two wiring through-holes. In the case of the through-connected connector, since it hardly moves on the metal PCB 110, it is possible to prevent the electrical contact failure.

Referring to FIG. 10, the metal PCB according to another embodiment of the present invention may further include at least one fixing through hole 143 and 144 for fixing the through connector on the metal PCB. Indicates. Specifically, in addition to the two wiring through holes 141 and 142 illustrated in FIG. 9, at least one fixing through holes 143 and 144 are additionally formed to firmly fix the through connector on the metal PCB 110. Show what you can do.

11 is a cross-sectional view showing a through connector fastened through a metal PCB having two through holes according to another embodiment of the present invention.

Referring to FIG. 11, the through connector 330 according to another embodiment of the present invention includes an upper connector 330a and a lower connector 330b, and the upper connector 130a is a female connector. The lower connector 130b is a male connector, and as shown in FIG. 9, a through connector that can be fastened to the metal PCB 110 having two through holes 141 and 142 is formed.

Specifically, since it is fastened to the metal PCB 110 through the two wiring through holes 141 and 142 shown in FIG. 9, compared to the through type connectors 130 and 230 of FIGS. 7 and 8 described above. Since the separation bars 136 and 236 are not necessary, the through connector 330 hardly moves on the metal PCB 110, thereby preventing electrical contact failure.

On the other hand, Figure 12 is a cross-sectional view showing a threaded through-type connector is fastened through the metal PCB according to another embodiment of the present invention.

12, the threaded through-type connector 430 according to another embodiment of the present invention includes an upper connector 430a and a lower connector 430b, and the upper connector 430a is a male screw 435. ) Is a connector formed, and the lower connector 430b represents a case in which a female thread 436 is formed, and a through connector having an electrode connection portion having a spring shape. Of course, the upper connector 430a may be a female threaded connector, and the lower connector 430b may be a male threaded connector.

Specifically, the upper connector 430a is fixed in the upper connector housing 431a and the upper connector housing 431a having a thread formed in a portion penetrating the metal PCB, and the power supply pin 432b for the lower connector. A power supply pin 432a for the upper connector to be connected, and a spring type connection terminal 433 extending from the power pin for the upper connector 432a to be in electrical contact with the electrode pad of the metal PCB.

In addition, the lower connector 430b may include a lower connector housing 431b having a screw thread that is screwed with the thread of the upper connector housing 431a, a power line 434 for supplying power; And it is fixed in the lower connector housing 431b, may be formed to extend from the power line 434, and may include a spring type lower connector power pin 432b to be connected to the power connector pin for the upper connector.

Accordingly, the threaded through-type connector 430 according to another embodiment of the present invention has a connection terminal 433 in the form of a spring terminal as a ground electrode of the upper connector 430a, and contacts the metal PCB. As shown by reference numeral H, the ground electrode of the lower connector 430b may be formed in the form of a spring terminal to contact a portion indicated by reference numeral G of the upper connector 430a. Compared with the above-described embodiment of FIGS. 7 and 8, instead of the protruding terminal, the connecting terminal 433 in the form of a spring terminal is formed in the upper connector 430a, and the thread 435 is formed, thereby making it easier than the metal PCB. Electrical contacts can be formed.

Although the through type connector according to the embodiment of the present invention is shown and described as having only two power pins, pins capable of providing a predetermined signal may be further configured, and a metal corresponding to the through type connector may be provided. It will be appreciated by those skilled in the art that a PCB can be formed. Further, in the embodiment of the present invention, although the through-hole formed PCB is shown and described as being a metal PCB, it will be understood by those skilled in the art that a through-hole can be formed to form a PCB other than the metal PCB. . Likewise, in the embodiment of the present invention, although the LED lighting module with the through connector is shown and described, it can be understood by those skilled in the art that it can be applied to other circuit configurations. In addition, it can be understood by those skilled in the art that the protruding electrode of the upper connector and the electrode pad of the metal PCB can be joined by solder alloy to further improve the reliability of the electrical connection.

The description of the present invention is for the purpose of illustration, and it will be understood by those skilled in the art that the present invention may be easily modified in other specific forms without changing the technical spirit or essential features of the present invention. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is shown by the following claims rather than the above description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

1 is a perspective view of an LED lighting module having a connector mounted on a PCB according to the prior art.

2 is a vertical cross-sectional view of an LED lighting module having a connector mounted on a PCB according to the prior art.

3 is a perspective view of the LED lighting module having a through-type connector fastened through the metal PCB according to an embodiment of the present invention.

4 is a vertical cross-sectional view of the LED lighting module having a through-type connector fastened through the metal PCB according to an embodiment of the present invention.

5 and 6 are a plan view and a rear view of the LED lighting module having a through-type connector fastened through the metal PCB according to an embodiment of the present invention, respectively.

7 is a cross-sectional view of a through connector fastened through a metal PCB according to an embodiment of the present invention.

8 is a cross-sectional view showing a through connector fastened through a metal PCB according to another embodiment of the present invention.

9 and 10 are plan views illustrating a metal PCB through which a through type connector according to another embodiment of the present invention is fastened.

11 is a cross-sectional view showing a through connector fastened through a metal PCB having two through holes according to another embodiment of the present invention.

12 is a cross-sectional view showing a threaded connector having a screw thread coupled through the metal PCB according to another embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

100: light emitting diode (LED) lighting module 110: metal printed circuit board (Metal PCB)

111: insulating layer 112: conductive pattern (copper foil)

113: metal base substrate 120: LED

130: through connector 130a: upper connector

130b: lower connector 131a: upper connector housing

131b: lower connector housing 132a: upper connector pin

132b: lower connector pin 133: protruding electrode terminal

134: power line 135: jamming

141, 142: wiring through holes 143, 144: fixing through holes

230, 330, 430: Through Connectors

Claims (20)

A metal printed circuit board (PCB) having a heat dissipating metal base substrate, an insulating layer, and a conductive pattern formed thereon and having at least one through hole and an electrode pad adjacent to the through hole; At least one light emitting diode (LED) mounted on the metal PCB; And In order to supply power to the at least one LED, the through-type connector through the vertical through the through hole of the metal PCB, the through-type connector is formed with a power pin in electrical contact with the electrode pad of the metal PCB Light emitting diode illumination module comprising a. The method of claim 1, The through-type connector is a light emitting diode illumination module, characterized in that the through-through fastening through the through-hole from the upper surface to the lower surface of the metal PCB on which the LED is mounted. The method of claim 1, The electrode pad of the metal PCB is electrically separated from the positive (+) pin and the negative (-) electrode pin of the through-type connector, characterized in that the light emitting diode illumination module. The method of claim 1, wherein the through-type connector, An upper connector inserted into and fixed in a vertical direction through the through hole in an upper surface direction of the metal PCB and having a power pin formed in electrical contact with an electrode pad formed on the upper surface of the metal PCB; And A lower connector formed with a power pin coupled to the upper connector in a lower surface direction of the metal PCB, and connected to a power pin for the upper connector to connect a power line for supplying power to the at least one LED. Light emitting diode illumination module comprising a. The method of claim 4, wherein the upper connector, Upper connector housing; An upper connector power pin fixed in the upper connector housing and connected to the lower connector power pin; And Protruding electrode terminals formed to protrude from the power pins for the upper connector so as to be in electrical contact with the electrode pads of the metal PCB. Light emitting diode illumination module comprising a. The method of claim 4, wherein the lower connector, Lower connector housings; A power line for supplying power; And A lower power connector pin fixed in the lower connector housing and formed to extend from the power line and connected to the upper connector power pin Light emitting diode lighting module comprising a. The method of claim 4, wherein The upper connector housing and the lower connector housing is a light emitting diode lighting module, characterized in that the resin or plastic material. The method of claim 4, wherein The upper connector and the lower connector, one of which is a male connector and the other is a female connector, the light emitting diode lighting module, characterized in that fastened to each other. The method of claim 1, The metal PCB is a light emitting diode illumination module, characterized in that two through-holes for the wiring is inserted into each of the positive electrode pin and the negative electrode pin of the through-type connector is formed. 10. The method of claim 9, The metal PCB is a light emitting diode illumination module, characterized in that at least one or more fixing through-holes for fixing the through-type connector on the metal PCB is further formed. The method of claim 4, wherein the upper connector, An upper connector housing having a thread formed in a portion penetrating through the metal PCB; An upper connector power pin fixed in the upper connector housing and connected to the lower connector power pin; And Spring type connection terminal extending from the power pin for the upper connector to be in electrical contact with the electrode pad of the metal PCB Light emitting diode illumination module comprising a. The method of claim 11, wherein the lower connector, A lower connector housing in which a thread is formed to screw into a thread of the upper connector housing; A power line for supplying power; And It is fixed in the lower connector housing, is formed to extend from the power line, the power supply pin for the spring type lower connector to be connected to the power pin for the upper connector Light emitting diode lighting module comprising a. In the through-type connector (Penetrating-type connector) is fastened through the metal PCB in which the through hole and the electrode pad is formed in the vertical direction, An upper connector inserted and fixed in a vertical direction through a through hole formed on the metal PCB in an upper surface direction of the metal PCB, the upper connector having a power pin in electrical contact with an electrode pad formed on the upper surface of the metal PCB; And A lower connector formed with a power pin coupled to the upper connector in a lower surface direction of the metal PCB and connected to a power pin for the upper connector to connect a power line for supplying power; Pass-through connector comprising a. The method of claim 13, wherein the upper connector, Upper connector housings made of resin or plastic; An upper connector power pin fixed in the upper connector housing and connected to the lower connector power pin; And Protruding electrode terminals formed to protrude from the power pins for the upper connector so as to be in electrical contact with the electrode pads of the metal PCB. Pass-through connector comprising a. The method of claim 13, wherein the lower connector, Lower connector housing made of resin or plastic; A power line for supplying power; And A lower power connector pin fixed in the lower connector housing and formed to extend from the power line and connected to the upper connector power pin Pass-through connector comprising a. delete The method of claim 13, The upper connector is a through-type connector, characterized in that the positive (+) electrode pin and the negative (-) electrode pin is separated and inserted through each of the two wiring through holes of the metal PCB. The method of claim 13, The upper connector and the lower connector is a male connector and the other is a female connector, the through-type connector, characterized in that the male and female fastened to each other. The method of claim 13, wherein the upper connector, An upper connector housing having a thread formed in a portion penetrating through the metal PCB; An upper connector power pin fixed in the upper connector housing and connected to the lower connector power pin; And Spring type connection terminal extending from the power pin for the upper connector to be in electrical contact with the electrode pad of the metal PCB Pass-through connector comprising a. The method of claim 19, wherein the lower connector, A lower connector housing in which a thread is formed to screw into a thread of the upper connector housing; A power line for supplying power; And It is fixed in the lower connector housing, is formed to extend from the power line, the power supply pin for the spring type lower connector to be connected to the power pin for the upper connector Pass-through connector comprising a.

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