KR102168777B1 - Connector for display apparatus, panel driving unit and display apparatus including the same - Google Patents

Abstract

The present invention is to provide a display device connector for preventing an increase in a fastening failure rate as the number of fastening processes between a printed circuit board and a supply cable increases, a panel driving unit and a display device including the same, for displaying an image. A display panel, a panel driving unit for driving the display panel, and a support cover for supporting the display panel and the panel driving unit, wherein the panel driving unit includes a control board supplying a driving signal, and connected to the display panel A printed circuit board, first and second supply cables for transmitting driving signals from the control board to the printed circuit board, and connectors for connecting the first and second supply cables to the printed circuit board have.

Description

Connector for display device, panel driving unit and display device including the same {CONNECTOR FOR DISPLAY APPARATUS, PANEL DRIVING UNIT AND DISPLAY APPARATUS INCLUDING THE SAME}

The present invention relates to a connector for a display device for connecting a printed circuit board and a supply cable, a panel driving unit including the same, and a display device.

Recently, the display industry has been pursuing a display device with improved quality in the direction of high resolution and large area. Accordingly, as a display device, a full high definition television (FHD) and an ultra high definition television (UHD) corresponding to approximately four times the area of the FHD have been recently developed, and the display device continues to develop into a high-definition thin display device with a large size. have.

A conventional display device includes a display panel for displaying an image, a panel driving unit supplying driving signals such as driving power and control signals for driving the display panel, and a support cover for supporting the display panel and the panel driving unit. do. The panel driving unit includes a control board for supplying a driving signal, a printed circuit board connected to the display panel, and a supply cable for transferring a driving signal from the control board to the printed circuit board.

However, in the conventional display device, a drive signal having a higher voltage is required in accordance with the trend of the display industry described above, and a plurality of supply cables has to be connected to the printed circuit board. Accordingly, in the conventional display device, as the number of fastening processes between the printed circuit board and the supply cable increases, the fastening failure rate increases, and the fastening confirmation process is repetitive, resulting in lower work efficiency, resulting in lower productivity of the display device. There was a problem to tell.

The present invention has been conceived to solve the above-described problem, and provides a connector for a display device for preventing an increase in a fastening failure rate as the number of fastening processes between a printed circuit board and a supply cable increases, a panel driving unit and a display device including the same. To provide is a technical problem.

In addition to the technical problems of the present invention mentioned above, other features and advantages of the present invention will be described below or will be clearly understood by those of ordinary skill in the art from such technology and description.

A display device according to the present invention for achieving the above-described technical problem includes a display panel for displaying an image, a panel driving unit for driving the display panel, and a support cover for supporting the display panel and the panel driving unit. And, the panel driving unit includes a control board for supplying a driving signal, a printed circuit board connected to the display panel, first and second supply cables for transferring driving signals from the control board to the printed circuit board, and the first And a connector for connecting to the printed circuit board by inserting a second supply cable.

The connector for a display device according to the present invention includes a main body for connecting first and second supply cables for supplying a driving signal and a printed circuit board for distributing the applied driving signal, and is opened at one side of the main body and the first And a cable insertion part for inserting a second supply cable, a board insertion part for inserting the printed circuit board, which is opened on the other side of the main body, and the first and second supply cables respectively and the printed circuit formed on the inner surface of the main body. It may include a connection pad to connect the substrate.

In the panel driving unit according to the present invention, a control board for supplying a driving signal, a printed circuit board connected to the display panel, a plurality of supply cables for transmitting driving signals from the control board to the printed circuit board, and a plurality of supply cables are inserted. And a connector for a display device connected to the printed circuit board, and the printed circuit board may include first and second slots formed such that both sides of the application region inserted into the board insertion part are cut off.

According to the means for solving the above problems, the present invention can reduce the fastening defect rate by reducing the number of fastening steps between the printed circuit board and the supply cable. Accordingly, the present invention has an effect of improving work efficiency and productivity for a display device.

1 is a schematic cross-sectional view illustrating a display device according to the present invention.
2 is a schematic rear view for explaining a display device according to the present invention.
3 is a schematic plan view illustrating a connector for a display device and a panel driving unit including the same according to the present invention.
4 is a schematic cross-sectional view combined with FIG. 3.
5 is a plan view mainly showing a shape of an application region according to an example of a printed circuit board.
6 is a plan view mainly showing a shape of an application region according to another example of a printed circuit board.
7 and 8 are cross-sectional views showing an operating state of the separation prevention ring and the separation prevention groove of the present invention.

In the present specification, in adding reference numerals to elements of each drawing, it should be noted that only the same elements have the same number as possible, even if they are indicated on different drawings.

Meanwhile, the meaning of terms described in the present specification should be understood as follows.

Singular expressions should be understood as including plural expressions unless clearly defined differently in context, and terms such as "first" and "second" are used to distinguish one element from other elements, The scope of rights should not be limited by these terms.

Terms such as “comprise” or “have” as used herein are intended to designate the presence of implemented features, numbers, steps, actions, components, parts, or a combination thereof, but one or more other features or It is to be understood that the presence or addition of numbers, steps, actions, components, parts, or combinations thereof does not preclude the possibility of preliminary exclusion.

The term "connected" as used herein means not only a case in which a certain element is directly connected to another element, but also a case in which a certain element is indirectly connected to another element through a third element.

The term "on" is meant to include not only the case where a certain element is formed on the immediate upper surface of the other element, but also the case where a third element is interposed between these elements.

The terms used in this specification are used only to describe specific embodiments, and are not intended to limit the present invention.

Hereinafter, exemplary embodiments of a connector for a display device, a panel driving unit including the same, and a display device according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic cross-sectional view for explaining a display device according to the present invention, FIG. 2 is a schematic rear view for explaining a display device according to the present invention, and FIG. 3 is a connector for a display device according to the present invention and It is a schematic plan view for explaining the included panel drive unit.

1 to 3, the display device 1 according to the present invention includes a display panel 10, a panel driving unit 20, and a support cover.

The display panel 10 is for displaying an image, and various types of panels such as a liquid crystal display panel and an organic light emitting display panel may be applied. Among them, taking the organic light emitting display panel as an example, the display panel 10 includes a lower substrate 11 and an upper substrate 12 that are opposed to each other.

The lower substrate 11 is a flexible thin film substrate, and may be made of a plastic material or a metal foil. For example, the plastic lower substrate 11 is made of any one of PI (polyimide), PET (polyethyleneterephthalate), PEN (polyethylenapthanate), PC (polycarbonate), PNB (polynorborneen), and PES (polyethersulfone). Can be done.

The lower substrate 11 includes a plurality of gate lines, a plurality of data lines, a plurality of driving power lines, a plurality of pixels, and a cathode power line.

Each of the plurality of gate lines is formed at regular intervals so as to cross each of the plurality of data lines, and each of the plurality of driving power lines is formed to be parallel to each of the plurality of gate lines or the plurality of data lines. Each of the plurality of pixels is formed in a pixel region defined by an intersecting gate line and a data line to display an image according to a gate signal from the gate line and a data signal from the data line.

To this end, each of the plurality of pixels includes a pixel driving circuit connected to a gate line and a data line, and an organic light emitting device connected to a cathode power supply line while being connected to the pixel driving circuit.

The pixel driving circuit includes a switching transistor connected to a gate line and a data line, a driving transistor connected to the switching transistor, and a capacitor connected to a gate electrode and a source electrode of the driving transistor.

The pixel driving circuit supplies a data signal supplied to the data line to the driving transistor according to the switching of the switching transistor according to the gate signal supplied to the gate line, and stores the gate-source voltage of the driving transistor corresponding to the data signal in the capacitor. . The driving transistor is turned on with the voltage stored in the capacitor, thereby supplying a data current corresponding to the data signal to the organic light-emitting device. Here, the transistor may be an a-Si TFT (thin film transistor), a poly-Si TFT, an oxide TFT, or an organic TFT.

The organic light-emitting device includes an anode electrode connected to a driving transistor, an organic emission layer formed on the anode electrode, and a cathode electrode formed on the organic emission layer. The organic light emitting device emits light with a luminance corresponding to the data current toward the upper side of the upper substrate 12 by emitting light by a current flowing from the anode electrode to the cathode electrode when the driving transistor is turned on.

The cathode power line may be formed on the entire surface of the lower substrate 11 to be electrically connected to the cathode electrode of each pixel, or may be formed in a pattern shape to be electrically connected to the cathode electrode of the pixels. The cathode power line may be formed to be electrically connected to the organic emission layer of each pixel, and in this case, the cathode electrode may be omitted.

The panel driving unit 20 is for driving the display panel 10 and includes a control board 21, a printed circuit board 22, a supply cable and a connector 25.

The control board 21 generates and supplies driving signals such as driving power and control signals for driving the display panel 10. The control signal may be image data and a timing synchronization signal.

The printed circuit board 22 transmits the driving signal supplied from the control board 21 to the display panel 10. The printed circuit board 22 is connected to the display panel 10, and a flexible circuit film may be interposed between the display panel 10 and the display panel 10. The printed circuit board 22 may be a printed circuit board (PCB) or a flexible printed circuit (FPC), and driving elements for supplying a control signal to a driving integrated circuit coupled to the flexible circuit film are surface mounted. Is formed.

The flexible circuit film is equipped with a driving integrated circuit that supplies a data signal and a gate signal for emitting light of pixels of the display panel 10. COF (Chip On Film) may be applied to the flexible circuit film.

The driving integrated circuit generates a data signal and a gate signal based on a control signal supplied through a plurality of signal input terminals, and supplies the generated data signal and a gate signal to a corresponding signal supply terminal to the lower substrate 11. An image corresponding to the image data is displayed by driving each formed pixel.

In the supply cable, the supply cable is interposed between the control board 21 and the printed circuit board 22 to transmit a driving signal from the control board 21 to the printed circuit board 22. The supply cable may be applied with a flexible flat cable (FFC). A plurality of such supply cables are formed, and include a first supply cable 23 and a second supply cable 24.

The connector 25 connects the supply cable and the printed circuit board 22. The connector 25 may connect a plurality of supply cables to the printed circuit board 22 at once. Specifically, for example, the connector 25 is connected to the printed circuit board 22 by inserting the first and second supply cables 23 and 24.

The support cover supports the display panel 10 and the panel driving unit 20. To this end, the support cover may include a guide panel and a lower cover.

The guide panel supports side and bottom edges of the display panel 10 and is formed in a hollow frame shape. The guide panel may support the lower cover facing the lower surface of the display panel 10. The guide panel may provide an arrangement space in which the panel driving unit 20 is disposed between the display panel 10 and the lower cover.

The lower cover surrounds the lower surface of the display panel 10. The lower cover is formed of a metal material so that heat generated by the panel driving unit 20 can be easily discharged to the outside.

The support cover may further include an upper cover. The upper cover may be formed in the shape of a hollow frame to support an upper edge of the display panel 10 and a side surface of the guide panel.

Hereinafter, the connector 25, that is, the connector 25 for a display device according to the present invention will be described in detail with reference to the accompanying drawings.

4 is a schematic cross-sectional view combined with FIG. 3.

3 and 4, the connector 25 for a display device according to the present invention includes a main body 251, a cable insertion part 252, a board insertion part 253, and a connection pad part 254. do.

The main body 251 connects the first and second supply cables 23 and 24 to the printed circuit board 22, and may constitute a body of the connector 25 for a display device according to the present invention. . The main body 251 is hollow to insert the first and second supply cables 23 and 24 and the printed circuit board 22.

The cable insertion part 252 inserts the first and second supply cables 23 and 24 and is opened at one side of the main body 251.

The board insertion part 253 inserts the printed circuit board 22 and is opened on the other side of the main body 251.

The connection pad part 254 is formed on the inner surface of the main body 251 to connect the first and second supply cables 23 and 24 to the printed circuit board 22. Accordingly, the first and second supply cables 23 and 24 are connected to the printed circuit board 22.

To this end, the connection pad part 254 includes a first connection pad part 254a to which the first supply pad parts 232 and 242 formed on the first supply cable 23 are connected, and the second supply cable ( It includes a second connection pad portion 254b to which the second supply pad portions 232 and 242 formed in 24) are connected.

The first connection pad part 254a is formed on the upper surface of the main body 251 to connect between the first supply pad parts 232 and 242 and the application pad part 223 of the printed circuit board 22 Let it.

The second connection pad portion 254b is formed on the lower surface of the body 251 to connect the second supply pad portions 232 and 242 to the application pad portion 223 of the printed circuit board 22 Let it.

Meanwhile, the printed circuit board 22 includes a base plate 221, a plurality of wires 222, and an application region R.

The base plate 221 constitutes the body of the printed circuit board 22 and is formed in a plate shape.

The plurality of wirings 222 are formed on the base plate 221 and distribute a driving signal to each driving element. The plurality of wires 222 are formed of a conductive material and are printed on the base plate 221.

The application region R is coupled to the base plate 221, and first and second application pad portions 223a and 223b for applying driving signals to the plurality of wires 222 are formed. That is, a driving signal is applied to the printed circuit board 22 by the first and second application pad portions 223a and 223b. The first and second application pad portions 223a and 223b are formed on both surfaces of the application region R, specifically, the first application pad portion 223a is formed on the upper surface of the application region R, and , The second application pad part 223b is formed on the lower surface of the application region R. In this case, the plurality of wirings 222 may be formed on both the upper and lower surfaces of the base plate 221.

Next, the connection pad part 254 is described, the first connection pad part 254a connects the first supply pad part 232 and the first application pad part 223a, and the second connection The pad part 254b connects the second supply pad part 242 and the second application pad part 223b.

Accordingly, the connector 25 for a display device according to the present invention can reduce the number of fastening processes between the printed circuit board 22 and the supply cable, thereby reducing a fastening defect rate. In addition, the display device connector 25 according to the present invention can improve work efficiency and productivity for the display device 1 because the number of fastening processes is reduced. Further, the display device connector 25 according to the present invention simplifies the wrapping of supply cables, thereby increasing the mechanical efficiency of the panel driving unit 20 and the display device 1.

5 is a plan view mainly showing a shape of an application region R according to an example of a printed circuit board.

Referring to FIG. 5, the printed circuit board 22 may be formed such that the application region R protrudes toward the side surface of the base plate 221. Specifically, the printed circuit board 22 may be formed in a “┣” shape or a “┏” shape. In this case, the application region R protrudes to a length shorter than the extended length of the base plate 221, and preferably may protrude approximately the size of the first and second application pad portions 223a and 223b. have.

Accordingly, since the application region R is inserted into the substrate insertion part 253, the connector 25 for a display device according to the present invention may be coupled to surround the outer surface of the application region R.

6 is a plan view mainly showing a shape of an application region R according to another example of a printed circuit board.

Referring to FIG. 6, the printed circuit board 22 may further include first and second slots 224 and 225. The integral shape of the base plate 221 and the application region R coupled to each other is formed in a substantially rectangular plate shape. Here, the first and second slots 224 and 225 are formed so that both sides of the application region R are cut. Then, the first and second slots 224 and 225 may be formed in a groove shape in which the side surfaces of the base plate 221 and the application region R coupled to each other are concave, that is, a “convex” shape. have.

Accordingly, in the connector 25 for a display device according to the present invention, both sidewalls of the main body 251 are inserted into the first and second slots 224 and 225 respectively, and the application region R is By being inserted into the insertion part 253, it may be coupled to surround the outer surface of the application region R.

Referring to FIG. 5, the connector for a display device according to the present invention may further include a substrate crystal protrusion 255, and in this case, the printed circuit board 22 may further include a substrate crystal groove 226. .

The substrate determination protrusion 255 is for determining a position between the printed circuit board 22 and the main body 251 and is formed to protrude from the inner surface of the main body 251. The substrate crystal protrusion 255 is shown to be formed on the inner side of the body 251, but may be formed at other positions such as an upper surface or a lower surface. The substrate crystal protrusion 255 is formed on the side of the substrate insertion part 253.

The substrate crystal groove 226 inserts the substrate crystal protrusion 255 and is formed in a groove shape in the application region R. The substrate crystal groove 226 is shown to be formed on both sides of the application region R, but may be formed at other positions such as an upper surface or a lower surface as long as the substrate crystal protrusion 255 can be inserted.

The substrate crystal protrusion 255 and the substrate crystal groove 226 can align and fix the fastening position between the printed circuit board 22 and the main body 251, thereby facilitating fastening and reducing the fastening defect rate. It can be further reduced.

The substrate crystal protrusion 255 and the substrate crystal groove 226 may be formed at opposite positions. That is, the substrate crystal protrusion 255 may be formed in the printed circuit board 22 and the substrate crystal groove 226 may be formed in the main body 251.

In addition, the connector 25 according to the present invention may further include a cable determination protrusion 256, in which case the supply cable may include a cable determination groove 234.

The cable determination protrusion 256 is for determining a position between the supply cable and the main body 251 and is formed to protrude from the inner surface of the main body 251. The cable crystal protrusion 256 is shown to be formed on the inner side of the main body 251, but may be formed at other positions such as an upper surface or a lower surface. The cable crystal protrusion 256 is formed on the cable insertion part 252 side.

The supply cable includes cable packages 231 and 241 integrally formed by attaching a plurality of conductors in parallel, supply pad portions 232 and 242 formed at one end of the cable package 231 and 241, and the cable package 231, It may be configured to include reinforcing covers 233 and 243 surrounding the outer surface of the 241. The supply pad portions 232 and 242 are connected to the connection pad portion 254 of the connector 25 as described above and serve to transmit a driving signal. The reinforcing covers 233 and 243 are for preventing the flexible cable packages 231 and 241 from being repeatedly inserted into the cable insertion part 252 to wear. These reinforcing covers 233 and 243 are formed to have stronger strength than the cable packages 231 and 241.

The cable crystal groove 234 is formed in the reinforcing covers 233 and 243. The cable crystal groove 234 inserts the cable crystal protrusion 256 and is formed in a groove shape in the reinforcing covers 233 and 243. The cable crystal groove 234 is shown to be formed on both sides of the reinforcing covers 233 and 243, but may be formed at other positions such as an upper surface or a lower surface if the cable crystal protrusion 256 can be inserted.

The cable determination protrusion 256 and the cable determination groove 234 may align and fix the fastening position between the supply cable and the main body 251, thereby preventing separation of the supply cable.

The cable crystal protrusion 256 and the cable crystal groove 234 may be formed at opposite positions. That is, the cable crystal protrusion 256 may be formed in the reinforcing covers 233 and 243, and the cable crystal groove may be formed in the body 251.

7 and 8 are cross-sectional views showing an operating state of the separation prevention ring and the separation prevention groove of the present invention.

7 and 8, the connector 25 for a display device according to the present invention includes alignment between the printed circuit board 22 and the main body 251, and alignment between the supply cable and the main body 251. The configuration for any one may further include a departure prevention ring 257, in this case, the printed circuit board 22 may further include a separation prevention groove 227.

The separation prevention ring 257 is divided into a fixing portion 257a coupled to the main body 251 and a ring portion 257b extending from the fixing portion 257a, and the ring portion 257b has elasticity. It can move within a certain range. As the application region R is inserted into the substrate insertion part 253, the ring part 257b is pressed to open upward from the fixing part 257a. Then, after the ring part 257b is supported on the upper surface of the application region R, when the application region R is further inserted into the substrate insertion part 253, it is caught in the separation prevention groove 227. Accordingly, compared to the prior art, in which fastening has to be confirmed by visual inspection, the connector 25 for a display device according to the present invention is directly fastened to the printed circuit board 22, thereby making it easier to check physical fastening.

The separation prevention ring 257 and the separation prevention groove 227 have been described as being applied between the printed circuit board 22 and the body 251, but may also be applied between the supply cable and the body 251.

Although not shown, the connector 25 for a display device according to the present invention may further include a pressing member formed on the inner surface of the main body 251.

The pressing member convexly protrudes upward from the lower surface of the main body 251 in the substrate insertion portion 253. The pressing member narrows the upper and lower widths of the inside of the main body 251 so that the printed circuit board 22 inserted into the board insertion part 253 is pressed. Accordingly, the pressing member may improve a connection force between the application pad part 223 and the connection pad part 254.

Meanwhile, when the display panel is a liquid crystal display panel, the display panel is a non-self-luminous panel and displays an image by adjusting transmittance of light irradiated from a backlight unit.

The display panel includes a lower substrate and an upper substrate opposed to each other with a liquid crystal layer therebetween. The lower substrate controls light transmittance of the liquid crystal layer by forming an electric field corresponding to a voltage difference between a data voltage and a common voltage applied to each pixel. The upper substrate is configured to include a color filter corresponding to each pixel formed on the lower substrate, and a common electrode to which a common voltage is supplied may be formed according to a driving method of the liquid crystal layer. Such an upper substrate filters light incident through the liquid crystal layer with a color filter to emit color light to the outside so that a color image is displayed on the display panel.

Specific configurations of the lower substrate and the upper substrate are the driving mode of the liquid crystal layer, for example, TN (Twisted Nematic) mode, VA (Vertical Alignment) mode, IPS (In plane switching) mode, and FFS (Fringe field switching) mode Accordingly, it may be formed in various forms known in the art.

The backlight unit is opposite to the lower portion of the display panel and irradiates light to the display panel. To this end, the backlight unit includes a light source module and a light guide plate (or diffusion plate).

The light source module includes an LED (Light Emitting Diode) array, is disposed on a side surface of the light guide plate, and irradiates light to the side surface of the light guide plate. Accordingly, the light guide plate advances the light incident from the light source module toward the display panel. When the backlight unit is a direct type, the light source module is disposed under the diffuser plate.

A plurality of optical sheets may be disposed above the light guide plate, and the plurality of optical sheets are disposed above the light guide plate to improve luminance characteristics of light traveling from the light guide plate toward the display panel.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope of the technical spirit of the present invention. It will be obvious to those who have the knowledge of. Therefore, the scope of the present invention is indicated by the claims to be described later, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts should be interpreted as being included in the scope of the present invention.

1: display device 10: display panel
11: lower substrate 12: upper substrate
20 panel drive unit 21 control board
22: printed circuit board 23: first supply cable
24: second supply cable 25: connector for display device
221: base plate 222: wiring
223: application pad part 224: first slot
225: second slot 226: substrate crystal groove
231, 241: first and second cable package
232, 242: first and second supply pad portions
233, 243: first and second reinforcing covers
234: cable crystal groove 251: main body
252: cable insertion portion 253: board insertion portion
254: connection pad portion 255: substrate crystal protrusion
256: cable crystal projection

Claims (12)

A display panel for displaying an image;
A panel driving unit for driving the display panel; And
And a support cover supporting the display panel and the panel driving unit,
The panel drive unit,
A control board for supplying a driving signal;
A printed circuit board connected to the display panel;
First and second supply cables for transferring driving signals from the control board to the printed circuit board; And
A connector for inserting the first and second supply cables and connecting them to the printed circuit board,
The printed circuit board,
A base plate constituting the body;
A plurality of wirings formed on the base plate and distributing a driving signal;
It is coupled to the base plate and includes an application region formed on both surfaces of first and second application pad portions for applying a driving signal to the plurality of wires,
The display device according to claim 1, wherein the printed circuit board further includes first and second slots formed such that both sides of the application area are cut. The method of claim 1,
The connector,
A main body connecting the first and second supply cables and the printed circuit board;
A cable insertion part that is opened at one side of the main body to insert the first and second supply cables;
A board insertion part which is opened on the other side of the main body to insert the printed circuit board; And
And a connection pad portion formed on an inner surface of the main body to connect the first and second supply cables to the printed circuit board. delete The method of claim 2,
The connection pad part,
A first connection pad part formed on an upper surface of the inner surface of the main body to connect the first supply pad part formed on the first supply cable and the first application pad part; And
And a second connection pad part formed on a lower surface of the inner surface of the main body to connect the second supply pad part formed on the second supply cable and the second application pad part. The method of claim 2,
The display device, wherein the application region is formed to protrude toward a side surface of the base plate. delete The method of claim 5,
The connector further includes a substrate determining protrusion formed to protrude from the inner surface of the main body to determine a position between the printed circuit board and the main body,
And the printed circuit board further comprises a substrate crystal groove formed in the application region to insert the substrate crystal protrusion. delete delete A control board for supplying a driving signal;
A printed circuit board connected to the display panel;
A plurality of supply cables transferring driving signals from the control board to the printed circuit board; And
A connector for a display device to be connected to the printed circuit board by inserting a plurality of supply cables,
The connector for the display device,
A main body connecting first and second supply cables for supplying a driving signal and a printed circuit board for distributing the applied driving signal;
A cable insertion part that is opened at one side of the main body to insert the first and second supply cables;
A board insertion part which is opened on the other side of the main body to insert the printed circuit board; And
It is formed on the inner surface of the main body and comprises a connection pad portion connecting each of the first and second supply cables and the printed circuit board,
Wherein the printed circuit board includes first and second slots formed such that both sides of the application region inserted into the substrate insertion part are cut. The method of claim 2,
The connector further includes a release preventing ring,
The separation prevention ring,
A fixing part coupled to the main body; And
Display device comprising a ring portion extending from the fixing portion. The method of claim 11,
The printed circuit board,
Further comprising a separation preventing groove formed to at least partially overlap the connector,
The display device having a structure in which the separation prevention ring and the separation prevention groove are physically fastened to each other.

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