KR20060126140A - Connector - Google Patents

Abstract

A connector is provided to prevent the coupling defect with a PCB(Printed Circuit Board) and suppress the bending and breakage of input pins, thereby improving the reliability and productivity of products. A connector(110) is configured to be coupled with a PCB. The connector comprises a fixing body(114) and conductive terminals(112) fixed by the fixing body. A protective cover(116) covers the conductive terminals and the fixing body. A support member(118) is contacted with one of an upper surface and a lower surface of a PCB(Printed Circuit Board). At least one of the conductive terminals and the support member is coupled with an exposed side surface of the PCB.

Description

Connector {CONNECTOR}

1 is an exploded perspective view of a connector according to the prior art.

2 is a cross-sectional view showing a connector in which a lifting phenomenon is generated from a conventional printed circuit board.

3 is an exploded perspective view of a connector according to a first embodiment of the present invention.

4A and 4B are perspective views respectively showing front and rear surfaces of the connector shown in FIG. 3 fastened to a printed circuit board.

5 is a cross-sectional view for describing a process of supporting the connector shown in FIG. 3 on a printed circuit board when a force is applied from the lower side.

6 is a perspective view showing a connector according to a second embodiment of the present invention.

7A and 7B are front and cross-sectional views illustrating a state in which a connector according to a second embodiment of the present invention is fastened to a printed circuit board.

8 is a perspective view showing a connector according to a third embodiment of the present invention.

9A and 9B are front and rear views illustrating a state in which a connector according to a third embodiment of the present invention is fastened to a printed circuit board.

FIG. 10 is a cross-sectional view for describing a process of supporting the connector illustrated in FIG. 8 on a printed circuit board when a force is applied from an upper side and a lower side.

11 is a perspective view showing a connector according to a fourth embodiment of the present invention.

12A and 12B are front and rear perspective views illustrating a state in which a connector according to a fourth embodiment of the present invention is fastened to a printed circuit board.

FIG. 13 is a cross-sectional view for describing a process of supporting the connector illustrated in FIG. 12 on a printed circuit board when a force is applied from the lower side.

14A to 14D are perspective views showing a connector according to a fifth embodiment of the present invention.

15 is a perspective view illustrating a fastening process of a connector and a cable fastened to a printed circuit board according to an exemplary embodiment of the present invention.

FIG. 16 illustrates a liquid crystal display device having a connector according to an embodiment of the present invention. FIG.

<Description of main parts of drawing>

2, 102, 202: printed circuit board

10, 110: Connector

12, 112: conductive terminal

14, 114: fixed body

16, 116: protective cover

118, 128, 138, 148, 158: support member

160: liquid crystal display panel 162: thin film transistor substrate

164: color filter substrate 166: data drive IC

168: Data TCP 176: Gate Drive IC

178: gate TCP 182: flexible circuit board

302: Data PCB

The present invention relates to a connector, in particular, to provide a connector that can prevent a fastening with the printed circuit board, and to prevent the bending and disconnection of the input pin to improve the reliability and productivity of the product.

The liquid crystal display device includes a liquid crystal display panel, a driving circuit unit for generating various signals necessary for the liquid crystal display panel to implement an image, and a backlight assembly for providing light to the liquid crystal display panel.

The liquid crystal display panel includes a thin film transistor substrate and a color filter substrate facing the thin film transistor substrate, and a liquid crystal is injected between the thin film transistor substrate and the color filter substrate, and a thin film transistor (TFT) as a switching element. ) To display an image by adjusting the light transmittance of the liquid crystal.

The driving circuit unit includes a gate driver for driving the gate line of the liquid crystal display panel, a data driver for driving the data line of the liquid crystal display panel, a timing controller for controlling the gate driver and the data driver, a liquid crystal display panel and the driving circuit. It is provided with a power supply for supplying power signals required for driving of the.

The driving circuit unit is mounted on a printed circuit board and connected to an external system and a connector to generate a power signal, a data signal, a clock signal, and the like. Various drive signals from an external system are supplied to the drive circuit portion through a connector fastened to the printed circuit board.

Herein, the connector 10 includes a fixing body 14, a plurality of pins 12 formed in the fixing body 14, and a cover 16 for receiving the fixing body 14, as shown in FIG. 1. It is composed. The pins 12 are fastened to the printed circuit board (not shown) by a soldering method or the like.

The connector 10 is repeatedly fastened and dismantled in the aging inspection process for detecting the driving conditions and the presence or absence of the external environment, in particular, the temperature of the liquid crystal panel in which the liquid crystal is injected. At this time, as shown in FIG. 2, the connector 10 is pulled away from the printed circuit board 2 due to the excessive vertical pressure of the worker required for fastening and disassembly, or heat or vibration in the aging chamber. There is a problem that the lifting phenomenon occurs.

As a result, the reliability of the product and the rework work have to be done, which reduces productivity.

In addition, when the cable (not shown) is connected to the connector 10 after the production and shipment of the liquid crystal display device, the force should be applied evenly to be inserted in the horizontal direction, but it is not horizontal due to inadvertent operator's carelessness and external shock or vibration. When the angle is inclined by the predetermined angle θ, a defect occurs between the connector 10 and the printed circuit board 2. In addition, when the cable is attached or detached, a portion of the pin 12 that comes into contact with the printed circuit board 2 is damaged, resulting in poor connection. In other words, the pressure applied vertically from the upper side of the connector 10 can be tolerated using the printed circuit board 2 and the liquid crystal display panel (not shown) connected to the pin 12, as shown in FIG. There is no structure that can support the pressure exerted under (10). Accordingly, when a force is applied to the lower portion of the connector 10, the connector 10 is pulled out of the printed circuit board 2 to generate a lifting phenomenon.

Accordingly, the present invention is to provide a connector that can prevent the fastening of the connector and the printed circuit board, and to prevent the bending and disconnection of the input pin to improve the reliability and productivity of the product.

In order to achieve the above technical problem, the present invention provides a connector for fastening with a printed circuit board, a conductive terminal, a fixed body for receiving the conductive terminal, a protective cover for protecting the conductive terminal and the fixed body from the outer surface and the And a supporting member having a bearing force in contact with at least one of an upper surface and a lower surface of the printed circuit board, wherein at least one of the conductive terminal and the supporting member is coupled to an exposed side of the printed circuit board. A connector is provided.

Here, the conductive terminal includes a plurality of connection pins connected to the connection terminal of the cable and a plurality of input pins protruding to the opposite side corresponding to each of the connection pins and connected to the signal lines of the printed circuit board. do.

In order to achieve the above technical problem, a liquid crystal display device according to the present invention comprises a liquid crystal display panel for implementing an image; A printed circuit board mounted with a plurality of driving devices for generating driving signals for driving the liquid crystal display panel; A conductive terminal, a fixed body accommodating the conductive terminal, a protective cover protecting the conductive terminal and the fixed body from an outer surface thereof, and a support force in contact with at least one of the upper and lower surfaces of the printed circuit board; And a connector including a support member, wherein at least one of the conductive terminal and the support member is coupled to an exposed side surface of the printed circuit board.

The printed circuit board may be a printed circuit board having a timing controller supplying a control signal to a driving integrated circuit for driving the liquid crystal display panel and a power supply unit supplying a power signal.

In order to achieve the above object, the fastening method of the connector according to the present invention comprises the steps of fixing the conductive terminal including the input pin and the connecting pin to the fixed body; Coupling the fixed body and the protective cover; And a support member having a support force in contact with at least one of the upper and lower surfaces of the printed circuit board, wherein at least one of the conductive terminal and the support member is coupled to an exposed side of the printed circuit board. Providing a connector; The connector such that the support member contacts at least one of an upper surface and a lower surface of the printed circuit board, and at least one of the input pin and the support member engages with an exposed side of the printed circuit board of the printed circuit board. It characterized in that it comprises a step of fastening to the printed circuit board.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

3 is an exploded perspective view of a connector according to a first embodiment of the present invention.

Referring to FIG. 3, the connector 110 according to the first embodiment of the present invention may include a conductive terminal 112 that connects signal lines of a printed circuit board (not shown) and a connection terminal of a cable (not shown), and a conductive material. A fixed body 114 for receiving the terminal 112, a protective cover 116 for protecting the conductive terminal 112 and the fixed body 114 from the outer surface, and at least for supporting a lower surface of the printed circuit board (not shown) One support member 118 is provided.

The conductive terminal 112 is composed of a plurality of connection pins 112a and a plurality of input pins 112b.

The connecting pins 112a are arranged in a line and spaced apart from each other, and each of the connecting pins 112a has the same distance from each other. One end of the connection pin 112a is connected to a connection terminal (not shown) of a cable from an external system (not shown).

The input pins 112b are one-to-one corresponding to the connection pins 112a, protrude to opposite sides, and one end is connected to the connection pins 112a, and the other end is bent to form an upper portion of the printed circuit board 102 by soldering or the like. It is mounted on cotton. These input pins 112b support a force applied from the upper side of the connector 110 and are connected to signal lines (not shown) formed on a printed circuit board (not shown) and serve to output various signals.

The fixing body 114 has a polygonal shape and is located between the upper surface 114a, the lower surface 114c opposite the upper surface 114a, and the upper surface 114a and the lower surface 114c. 112a) and a connection surface 114b on which the input pin 112b is formed. The fixing body 114 prevents the connection pins 112a and the input pins 112b arranged in a line from moving from the designated positions.

The protective cover 116 has a shape corresponding to the fixing body 114 and connects the upper surface 116a and the lower surface 116c and the upper surface 116a and the lower surface 116c corresponding to the fixing body 114. And a pair of side surfaces 116b, at least one supporting member 118 supporting the lower surface of the printed circuit board (not shown) and the storage space 116d penetrated to surround the fixed body 114. The fixing body 114 is inserted into the storage space 116d of the protective cover 116 and protects the fixing body 114 and the conductive terminal 112 from external force.

As shown in FIGS. 4A and 4B, the supporting member 118 extends in a horizontal direction in a “＿” shape from the edges of the lower side surfaces 116b so as to contact the bottom surface of the printed circuit board 102. The support member 118 is fastened to the printed circuit board 102 by a soldering method or the like.

The support member 118 serves to support the force applied from the lower side of the connector 110 in contact with the bottom surface of the printed circuit board 102.

As described above, the connector 110 according to the first embodiment of the present invention uses the input pin (not shown) to apply the force applied from the upper side of the connector 110 as illustrated in FIG. 5. In addition to the support, the force applied from the lower side of the connector 110 is supported on the printed circuit board 102 by using the support member 118. Accordingly, even if a force is applied from either the upper or lower side of the connector 110, the holding force of the connector 110 is increased, and the lifting phenomenon and the input of the connector 110 generated by separating the connector 110 from the printed circuit board 102 are caused. Defects such as breakage of pins (not shown) can be prevented.

6 is a perspective view showing a connector according to a second embodiment of the present invention. Connector 110 according to the second embodiment of the present invention is the same as the configuration of the connector 110 described in the first embodiment except for the support member 128 of the "T" shape, a detailed description of the overlapping portion Will be omitted and only the support member 128 will be described in detail.

The support member 128 according to the present embodiment has a “T” shape in which the fixing pin 128b is integrally coupled to the fixed base 128a of the straight shape extending in the horizontal direction from both sides 116b of the connector 110. Is formed. The printed circuit board 102 has a top hole 130 corresponding to the fixing pin 128b as shown in FIGS. 7A and 7B.

The lower surface of the fixed base 128a of the support member 128 protrudes from both side surfaces 116b of the connector 110 to contact the upper surface of the printed circuit board 102 and is integrated with the lower surface of the fixed base 128a. The fixed pin 128b is fastened to the printed circuit board 102 by being fitted into the upper hole 130 of the printed circuit board 102.

The support member 128 including the fixing pin 128b has a support stress against the force applied upward from the bottom of the connector 110, thereby preventing the lifting of the connector. In addition, when the connector 110 is fastened to the printed circuit board 102, the fastening process time can be shortened, and the fastening position is guided so that the connector 110 can be fastened to the correct position of the printed circuit board 102. Plays a role

8 is a perspective view showing a connector according to a third embodiment of the present invention. Connector 110 according to the third embodiment of the present invention is the same as the configuration of the connector described in the first embodiment except for the support member 138 of the "C" shape, a detailed description of the overlapping portions will be omitted. Only the support member 138 will be described in detail.

The support member 138 according to the present embodiment is connected to the upside portion 138a connected to one side 116b of the protective cover and the lower side surface 116c of the protective cover as shown in FIGS. 9A and 9B. The bottom side part 138c and the connection part 138b connected to the edge of one side surface 116b of a protective cover, and connecting the bottom side part 138c and the upside part 138a are comprised.

The upside portion 138a protrudes horizontally from the side surface 116b of the protective cover to contact the upper surface of the printed circuit board 102, and the bottomside portion 138c is horizontally directed from one side of the lower portion 116c of the protective cover. Extends in contact with the lower surface of the printed circuit board 102. One side of the connecting portion 116b is connected to the edge of the other side 116b of the protective cover and is formed perpendicular to the bottomside 138c to be connected to the upside portion 138a.

The support member 138 according to the present embodiment has a “C” shape, in which the connector 110 is fitted at the front of the printed circuit board 102 and the input pins (not shown) are soldered by the support member 138. It is fastened to the printed circuit board 102 in a way. The support member 138 may be formed integrally with the protective cover or may be formed separately.

As shown in FIG. 10, the connector 110 according to the present embodiment has an upside portion 138a, a bottomside portion 138c of the support member 138 with respect to a force received from the upper side and a force received from the lower side and the side surface. By using the connection part 138b and an input pin (not shown), support stress is applied to all of the upper, lower, and side surfaces of the printed circuit board 102.

11 is a perspective view showing a connector according to a fourth embodiment of the present invention. The connector 110 according to the present embodiment supports the connector described in the first embodiment except for the input pin 212b that is bent and extended vertically to the lower surface 116c of the connector as compared to the connector according to the first embodiment. Since the members 148 and other configurations are the same, detailed descriptions of the overlapped portions will be omitted and only the input pins 212b will be described in detail.

The input pin 212b according to this embodiment extends vertically bent to the bottom surface 116c of the connector as shown in FIGS. 12A and 12B. The extended input pins 212b are soldered with signal lines (not shown) formed on the lower surface of the printed circuit board 202 to output various signals.

As shown in FIG. 13, the input pin 212b and the supporting member 148 support the force applied from the lower side of the connector 110 in contact with the lower surface of the printed circuit board 102.

14 is a perspective view showing a connector according to a fifth embodiment. Connector 110 according to the fifth embodiment of the present invention is the same as the configuration of the connector 110 according to the fourth embodiment except for the support member in contrast to the connector according to the fourth embodiment, the details of the overlapping Description will be omitted and only the support member will be described in detail.

As shown in FIG. 14A, one more support member 158a having a “＿” shape may be further provided. Alternatively, as shown in FIG. 14B, a “T” shape may be provided on both sides 116b of the protective cover. A supporting member 158b is provided. Or a support member 158c having an inverted " T " shape extending horizontally from the lower side 116c of the protective cover as shown in FIG. 14C, or as shown in FIG. 14D. 158d.

As such, in the connector 110 according to the fifth embodiment of the present invention, the force applied from the upper side is an additional support member 158a having a “＿” shape in contact with the upper side of the printed circuit board 202, and “T”. At least one of the "shaped support member 158b and the" C "shaped support member 158d is used, and the force applied from the lower side is in contact with the lower side of the input pin 212b and the printed circuit board 202. The printed circuit board 202 is supported using at least one of the inverted " T " shaped support member 158c and the " C " shaped support member 158d. Accordingly, even if a force is applied from either the upper or lower side of the connector 110, the holding force of the connector 110 is increased, and the lifting and input of the connector 110 generated by separating the connector 110 from the printed circuit board 202 is caused. Defects such as damage to the pins 212b can be prevented.

15 is a perspective view illustrating a fastening process of a connector and a cable fastened to a printed circuit board according to an exemplary embodiment of the present invention.

Referring to FIG. 15, the connector 110 is fastened to the printed circuit board 102 by soldering or the like, and a connection groove is formed in the storage space 116d. The cable 300 connected to the connector 110 includes a body 314, a plurality of connection terminals 312 formed in the body 314, a power signal from an external system (not shown), and a data signal. And a connection cable 300 for transmitting a driving signal such as a clock signal.

The connection groove 312 of the cable 300 is inserted into the connection groove of the connector 110 according to the present invention. Accordingly, drive signals such as power signals, data signals, and clock signals from an external system (not shown) are mounted on the printed circuit board 102 through the connection cable 300 connected to the external system and the connector 110. To a drive circuit (not shown).

FIG. 16 illustrates a liquid crystal display device having a connector according to an embodiment of the present invention. FIG.

Referring to FIG. 16, a liquid crystal display according to the present invention includes a liquid crystal display panel 160 having a liquid crystal cell matrix, and a gate drive integrated circuit for driving gate lines GL of the liquid crystal display panel 160. Circuit (hereinafter referred to as “IC”) 176 and a data drive IC 166 for driving the data lines DL of the liquid crystal display panel 160.

The liquid crystal display panel 160 is formed by bonding the thin film transistor substrate 162 and the color filter substrate 164 with the liquid crystal interposed therebetween. The liquid crystal display panel 160 includes liquid crystal cells Clc independently driven by the thin film transistor TFT in regions defined by intersections of the gate lines GL and the data lines DL. The thin film transistor TFT supplies a pixel signal from the data line DL to the liquid crystal cell Clc in response to a scan signal from the gate line GL.

The data drive ICs 166 are connected to the data lines DL via a data tape carrier package (hereinafter referred to as "TCP") 168 and a data pad of the liquid crystal display panel 160. The data drive ICs 166 convert the pixel data into an analog pixel signal and supply the same to the data lines DL. To this end, the data drive ICs 166 may include data control signals, pixel data, and power signals from a timing control unit (not shown) and a power supply unit on a data printed circuit board (hereinafter, referred to as a “PCB”) 302. Will be supplied. Here, the timing controller and the power supply unit (not shown) may use data signals, pixel data, and data control signals using driving signals such as power signals, data signals, and clock signals from an external system (not shown) supplied through the connector 110. Generate power signals.

The gate drive ICs 176 are connected to the gate lines GL via the gate TCP 178 and the gate pad of the liquid crystal display panel 160. The gate drive ICs 176 sequentially supply a scan signal of the gate high voltage VGH to the gate lines GL. In addition, the gate drive ICs 176 supply the gate low voltage VGL to the gate lines GL in a period other than the period in which the gate high voltage VGH is supplied.

To this end, the gate drive ICs 176 are connected to a gate control signal and a power signal from a timing controller (not shown) and a power supply on the data PCB 302 through a flexible circuit board 182 connected to the data PCB 302. Will be supplied. Here, the timing controller and the power supply unit generate gate control signals and power signals using various drive signals from an external system (not shown) supplied through the connector 110.

The structure of the connector is for explaining the present invention in detail and the present invention is not limited thereto. Also, the present embodiment describes a connector mounted on a printed circuit board by way of example, but the present invention is applicable to all connectors.

In addition, the connector according to the present invention is applicable not only to a liquid crystal display device but also to a display device such as a plasma display panel, a field emission device, an electroluminescent device, and the like.

Those skilled in the art to which the present invention pertains are apparent that various modifications or changes can be made without departing from the technical spirit of the present invention.

As described above, the connector according to the present invention supports the force applied from the upper side of the connector to the printed circuit board by using the connecting pin and the support member, and also supports the force applied from the lower side of the connector to the printed circuit board. Accordingly, the connector according to the present invention, even when a force is applied from either the upper or lower side of the connector, the support force of the connector is stronger to prevent defects such as the lifting of the connector caused by separation of the connector from the printed circuit board and disconnection of the connection pins Can be.

 Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description of the specification but should be defined by the claims.

Claims (9)

In the connector which is fastened to the printed circuit board, A conductive terminal and a fixed body accommodating the conductive terminal; A protective cover protecting the conductive terminal and the fixed body from an outer surface thereof; A support member having a support force in contact with at least one of an upper surface and a lower surface of the printed circuit board, At least one of the conductive terminal and the support member is coupled to a side surface of the exposed printed circuit board. The conductive terminal of claim 1, wherein the conductive terminal includes a plurality of connection pins connected to a connection terminal of a cable and a plurality of input pins protruding to opposite sides corresponding to the connection pins, respectively, and connected to signal lines of the printed circuit board. Connector characterized in that. The method of claim 1, wherein the support member is a fixed base in contact with at least one of the upper and lower surfaces of the printed circuit board, And a fixing pin which is formed integrally with the fixing base and protrudes and is inserted into the printed circuit board. 4. The connector according to claim 3, wherein the support member has a T shape. The method of claim 1, wherein the support member comprises an upside portion in contact with the upper surface of the printed circuit board, And a bottom side portion contacting the bottom surface of the printed circuit board and a bottom side portion perpendicular to the bottom side portion and connected to the upside portion and coupled to a side surface of the printed circuit board. The method of claim 5, wherein the upside portion is connected to the upper side of the protective cover, the bottom side portion is connected to the other side of the lower side of the protective cover, one side of the connection portion is connected to one side edge of the protective cover Connector. 7. The connector according to claim 6, wherein the support member is C-shaped. The method of claim 2, wherein the input pins of the conductive terminal face each side of the printed circuit board and are vertically bent to the bottom of the connector and soldered to signal lines formed on the bottom surface of the printed circuit board to output various signals. Connector characterized in that. 8. The input terminal of claim 3, wherein the input pins of the conductive terminal face the side of the printed circuit board and are vertically bent to the bottom of the connector to the bottom surface of the printed circuit board. The connector is soldered with the formed signal lines and outputs a variety of signals.

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