WO2011013958A2 - Touch screen having a diagonal optical path - Google Patents

Abstract

The present invention relates to a touch screen having a diagonal optical path, which accurately recognizes a coordinate value of multiple touch points touched on the screen without any errors, and represents the multiple touch points on the screen, thereby improving the reliability of products. Further, the touch screen of the present invention has a spring embedded in a first electrical connection member of a socket to serve as anti-loosening means and to increase coupling force. The socket has insulating layer breakdown means arranged in a lower portion thereof to enable the easy mounting of the socket. The touch screen of the present invention has power relay means manufactured at a low cost, and disconnection means serving as means for preventing overheating, to prevent the risk of fire or the like.

Description

Touch screen with diagonal light path

The present invention provides a coordinate system of a multi-touch point touched on a screen by introducing a first alignment unit having an optical path orthogonal to the touch screen and a second alignment unit having a diagonal optical path at an arbitrary angle with respect to the first alignment unit. By accurately recognizing the value without errors and implementing it on the screen, it is possible to increase the reliability of the product. Furthermore, as the release preventing means, the spring is embedded in the first conducting member of the socket to strengthen the bonding force and insulate the lower part of the socket. In order to provide a layer breaking means to facilitate the installation, to reduce the manufacturing cost of the power relay means, and a short circuit means is provided as an overheat prevention means to the touch screen having a diagonal light path to prevent the risk of fire, etc. It is about.

In general, the touch screen is one of various methods of configuring an interface between an information communication device and a user using various displays. The touch screen is an input device that allows a user to interface with a device by directly touching a screen with a hand or a pen.

In particular, it is possible to input or output data directly through the interface with a computer through a screen.If a character or a specific position on the screen touches a human hand or an object, the coordinates of the contacted position are recognized and recognized. A specific process corresponding to the menu of coordinates selected by the computer software is executed.

In this case, a general touch screen is equipped with a plurality of light emitting units and a light receiving unit equipped with a PC ratio, and forms a coordinate system that is orthogonal to each other by a light receiving unit that receives infrared rays or voltages applied from each light emitting unit,

When the touch point is in contact with the coordinate system by the touched object on the screen, the coordinate of the touch point is the point at which light or voltage applied to the light emitter is cut off or applied to the light receiver.

However, as described above, in the case of forming the coordinates of the orthogonal shape by the light emitting part and the light receiving part, if the multi-touch points are touched on the screen, in particular, if the same X column or the same Y row is touched, It is difficult to specify the coordinates of the remaining touch points because light or voltage is cut off at the touch point closest to the light emitting part.

Therefore, there is a fatal problem that a coordinate recognition error occurs or causes a malfunction, thereby reducing the reliability of the device.

Therefore, even when there are multiple touch points on the screen and there are multiple touch points, there is an urgent need to develop a product for solving a conventional coordinate recognition error occurring in an orthogonal type coordinate and a malfunction thereof.

The present invention has been made to solve the above problems,

By introducing a first alignment portion having an optical path orthogonal to the touch screen and a second alignment portion having an oblique optical path at an arbitrary angle with respect to the first alignment portion, the coordinate values of the multiple touch points touched on the screen are in error. It is possible to increase the reliability of the product by recognizing it accurately and implementing on the screen, and furthermore, as the spring is embedded in the first conducting member of the socket as an anti-loosening means, thereby strengthening the bonding force and destroying the insulating layer at the bottom of the socket. To provide a touch screen having an oblique light path that can be installed to facilitate the installation, to reduce the manufacturing cost of the power relay means, and is provided with a short circuit means as an overheat prevention means to prevent the risk of fire and the like. The purpose.

Touch screen having a diagonal light path according to the present invention is a frame; A first alignment part including a first light emitting part and a first light receiving part provided along the inner surface of the frame; A second alignment part provided along the inner surface of the frame and including a second light emitting part for forming an oblique light path and a second light receiving part; MPU connected with the first and second alignment units; The first and second light emitting parts may include a PC on which a light emitting diode is mounted and includes a fastening part, a first conducting member, a second conducting member provided outside the first conducting member, and first and second conducting parts. An insulating member arranged between the members, the socket having a corresponding fastening portion for engaging with the fastening portion, and connected to the respective light emitting portions; And a power relay means connected to the socket to be energized.

The socket according to the invention is characterized in that both fastening portion loosening prevention spring is built in the upper and lower strait.

The power relay means according to the invention is provided with an insulating layer for separating the (+) and (-) pole, characterized in that the lower portion of the socket is provided with an insulating layer destruction means.

The light emitting diode or the socket according to the present invention, or both of them are further provided with an overheat breaking short circuit means.

A touch screen having an oblique light path according to the present invention is characterized by introducing a first alignment part having an optical path orthogonal to the touch screen and a second alignment part having an oblique light path at an arbitrary angle with respect to the first alignment part. By accurately recognizing the coordinate values of the multiple touch points touched on the screen without errors and realizing them on the screen, it is possible to increase the reliability of the product more. Furthermore, the spring is embedded in the first conducting member of the socket as a loosening prevention means. Strengthen the bonding force, the lower portion of the socket is provided with an insulating layer breaking means to facilitate the installation, to save the manufacturing cost of the power relay means, and the short circuit means is provided as an overheat prevention means can prevent the risk of fire, etc. Will be.

1 is a conceptual diagram illustrating a first alignment unit of a touch screen having an oblique optical path according to the present invention;

2 is a conceptual diagram illustrating a second alignment unit of a touch screen having an oblique optical path according to the present invention;

3 is a conceptual diagram illustrating a coordinate system formed by the first and second alignment units according to the present invention;

4 and 5 is an exploded and coupled cross-sectional view showing a socket and a power relay means according to the present invention;

5 is a cross-sectional view showing another modification of the socket according to the present invention.

Explanation of symbols on the main parts of the drawings

E: light emitting diode R: light receiving diode

PCB: PC S: Screen

S: Spring F: Short circuit means

P: Packing member

10: frame

20: first alignment portion 21: first light emitting portion

23: second light receiving portion 25: fastening portion

30: second alignment unit 31: second light emitting unit

33: second light receiving part 35: fastening part

40: MPU

50: socket 51: first conducting member

53: second conducting member 53a: protrusion

55: insulating member 57: corresponding fastening portion

59: insulating layer breaking means

60: power relay 60a: fastening hole

61: outer layer 61a: outer fastening hole

63: inner layer 65: coating layer

67: insulation layer 67a: electrician

Hereinafter, a touch screen having an oblique optical path according to the present invention will be described in detail with reference to the accompanying drawings.

First, the coordinate system formed by the first and second alignment units in the present specification does not represent coordinates in three-dimensional space, but rather on plane coordinates to specify an unspecified touch point among multiple touch points touched on the screen. It reveals the introduction of the diagonal Z coordinate.

As shown in FIG. 1 and FIG. 2, the touch screen having an oblique light path according to the present invention is

Frame 10; A first alignment unit 20 including a first light emitting unit 21 and a first light receiving unit 23 provided along an inner surface of the frame 10; A second alignment part 30 provided along an inner surface of the frame 10 and including a second light emitting part 31 and a second light receiving part 33 to form an oblique light path; MPU 40 connected to the first and second alignment units 20 and 30; The first and second light emitting parts 21 and 31 may include a PCB having a light emitting diode E mounted thereon and having fastening parts 25 and 35, and a first conducting member 51. And an insulating member 55 arranged between the first conductive member 51 and the second conductive member 53 provided outside the first conductive member 51, and the first and second conductive member 51 and 53. A socket 50 connected to each of the light emitting parts 21 and 52, and a power source to which the socket 50 is coupled and energized, having a corresponding fastening part 57 to be engaged with the fastening parts 25 and 35; It comprises a relay means (60).

1 and 2, in the touch screen having an oblique light path according to the present invention, the frame 10 is

The light emitting part 21, 31, and the light receiving part 23, 33 of the first and second alignment parts 20 and 30 are provided along the inner surface thereof.

And formed along the inner surface of the frame 10, the power relay 60 is provided at the corresponding positions of the first and second light emitting portion (21) 32 is coupled to the socket 50 The light emitting unit 21, 31 is combined,

In addition, the power relay 60 has a first light emitting portion 21 is coupled to the upper (or lower), the second light emitting portion 31 is coupled to the lower (or upper).

The frame 10 is connected to the MPU 40 and various input / output terminals, so that each light emitting unit 21, 31 and the light receiving unit of the first and second alignment units 20 and 30 are connected. The coordinate values of the touch points touched on the screen recognized by the 23 and 33 are transmitted to the display module to implement the touch points on the screen.

In general, the touch screen is formed by a predetermined coordinate system by the light receiving unit 23, 33 for receiving infrared rays or voltage emitted from each light emitting unit (21) (31),

When light or voltage is blocked in the touched part of the coordinate system by the contact touched on the screen, it adopts a method of recognizing it as a touch,

The present invention also recognizes this as a touch when light emitted from each diode is blocked in the same manner.

1 and 2, in the touch screen having an oblique light path according to the present invention, the first alignment unit 20 is

The first light emitting unit 21 is coupled to the power relay 60 provided in the frame 10, and a first light receiving unit 23 for receiving a light source irradiated from the first light emitting unit 21. It is done by

In this case, the first light emitting part 21 is arranged on one inner side of the frame 10 and the lower inner side of the frame 10, and is provided to the power relay 60 provided on the upper side (or the lower side) of the frame 10. Combined,

The first light emitting unit 21 includes a PCB (PCB) in which a light emitting diode (E) is mounted, and a fastening portion 25 below the PCB (PCB).

A socket 50 is connected to the fastening part 25 so that the first light emitting part 21 is coupled to the power relay 60 by the socket 50.

The first light receiving unit 23 is formed of the light receiving diode R arranged on the other side of the frame 10 and the upper inner side and connected to the upper side (or the lower side) of the inner side of the frame 10. ,

The photodiode R uses a phototransistor, a photodiode, or the like.

In this case, the first light receiver 23 is located above the inner surface of the frame 10.

If the first light receiving unit 23 is located below the inner surface of the frame 10, the light receiving diode R may receive a light such as the sun or an indoor lighting and may cause a coordinate recognition error or malfunction. The first light receiver 23 may be arranged above the frame 10, and the first light emitter 21 may be arranged below the frame 10.

Therefore, the first alignment unit 20 has a coordinate system that is orthogonal to each other by the first light emitting unit 21 and the second light receiving unit 23 arranged at a position corresponding to the first light emitting unit 21. Formed on the screen,

In this case, the rectangular coordinate system formed by the first alignment unit 20 is set as follows with reference to FIG.

First, X ₁ , X ₂ , X ₃ ,... Light emitting diodes E of the first light emitting part 21 arranged below the frame 10 from left to right. … , Form X axis in order of X _n ,

Y ₁ , Y ₂ , Y ₃ ,... Light emitting diodes E of the first light emitting part 21 arranged on the left side of the frame 10 from bottom to top. … , Y _n is formed in order.

Therefore, when a touch object such as a finger, a stylus pen or a ballpoint pen is touched on the screen, the irradiation light emitted from the light emitting diode E is blocked by the touch material so that the light receiving diode R emits the irradiation light of the corresponding light emitting diode E. It becomes impossible to receive light, whereby the coordinates of the touch point are set.

However, the orthogonal coordinate system formed by the first light emitter 21 and the first light receiver 23 may specify coordinates of one touch point, or different X columns and touch points positioned in the Y row. one,

If it is assumed that the touch points a ₁ (X ₄ , Y ₃ ) and a ₂ (X ₄ , Y ₆ ) as shown in (a) of FIG. 3, a ₁ and a ₂ are located in the X ₄ column. In this case, the coordinates of the Y row can be recognized, but the coordinates of the X column are only recognized by a ₁ , and the a ₂ is blocked by the light emitted from the light emitting diode E by a ₁ , thereby preventing the recognition of the coordinates of the X column. .

Therefore, in the case of an orthogonal coordinate system, when multiple touch points are touched on the screen, an error occurs in the coordinate recognition of the touch points.

Hereinafter, the core technical idea of the present invention for solving the problem of the coordinate recognition error of multiple touch points will be introduced.

1 and 2, in the touch screen having a diagonal light path according to the present invention, the second alignment unit 30 is

A second light emitting part 31 coupled to a power relay 60 located below the inner surface of the frame 10, arranged on an inner surface of the frame 10, and arranged on the second light emitting part 31. Comprising a second light receiving portion 33 to form an oblique light path.

In the second alignment unit 30 according to the present invention, the second light emitting unit 31 is arranged on one inner side surface and the lower inner side surface of the frame 10, and the lower (or upper portion) of the frame 10. Is coupled to the power relay 60 provided in,

The second light emitting part 31 may include a PCB mounted with a light emitting diode E, and a fastening part 35 connected to the PCB at a lower portion thereof.

A socket 50 is connected to the fastening part 35, and the second light emitting part 31 is coupled to the power relay 60 by the socket 50.

The second light receiver 33 is formed of the other side of the frame 10 and the light receiving diode R arranged on the upper inner side and connected to the upper (or lower) inner side of the frame 10. In the light receiving diode R, a phototransistor, a photodiode, or the like is used.

In this case, like the first light receiving unit 23, the second light receiving unit 33 is also positioned below the frame 10, so that when the second light receiving unit 33 is located below, light such as the sun or illumination is emitted. It is preferable that the second light receiver 33 is accepted to block the cause of the coordinate recognition error or malfunction.

First of all, the second alignment unit 30 according to the present invention has an optical path in which the second light emitting unit 31 and the second light receiving unit 33 are arranged in diagonal directions at mutually corresponding positions to form an arbitrary angle θ. Configured to have,

By adding diagonal coordinates to the orthogonal coordinate system of the first alignment unit 20, a problem of coordinate recognition errors of multiple touch points in the orthogonal coordinate system is solved.

That is, the second alignment unit 30 is arranged at the rear of the frame 10 to form a coordinate system with the first alignment unit 20 arranged at the front of the frame 10.

The second alignment unit 30 is Z ₁ , Z ₂ , Z ₃ ,... From the upper left side of the frame to the right side below the frame 10 in the attached FIG. … , Z up to Z _n is set.

The coordinate system formed by the first and second alignment units 20 and 30 is formed by the second alignment unit 30 at coordinates (X _n , Y _n ) of the orthogonal shape of the first alignment unit 20. By adding oblique coordinates (Z _n ) to set new coordinates (X _n , Y _n , Z _n ) of the present invention, as described above, multiple touch points are added to the orthogonal coordinate system by the first alignment unit 20. When touched, it is possible to solve a problem that a coordinate recognition error occurs.

As shown in (b) of FIG. 3, when a ₁ and a ₂ are touched on the screen, the coordinates of a ₁ by the first alignment unit 20 are (X ₄ , Y ₃ ), and a ₂ The coordinate of is (X ₄ , Y ₆ ), but as described above, since a ₁ and a ₂ are located in the same column of X ₄ , the coordinates of X are not recognized, but the diagonal Z set by the second alignment unit 30 is determined. If the coordinates, that is, a ₁ is Z _14, the case of a _2, the coordinates are specified as Z _11.

Therefore, the coordinates of a ₁ (X ₄ , Y ₃ , Z ₁₄ ) and a ₂ (X ₄ , Y ₆ , Z ₁₁ ) are specified by diagonal coordinates, so even when a plurality of touch points are touched on the screen, The problem of coordinate recognition error that occurs in the coordinate system of the type does not occur,

The coordinates of the multiple touch points can be accurately recognized, thereby increasing the reliability of the touch screen product according to the present invention.

1 and 2, in the touch screen having the diagonal light path according to the present invention, the MPU 40 is

Connected to the first and second alignment units 20 and 30, when a firing signal is given to each of the light emitting units 21 and 31, the irradiation light from each light emitting unit 21 and 31 is received by each light receiving unit. (23) (33) receives and receives the transmitted signal,

The MPU 40 collects coordinate data of each of the light emitting units 21 and 31 and the light receiving units 23 and 33 of the first and second alignment units 20 and 30 to calculate coordinate values. do.

In addition, the MPU 40 is connected to the CPU of the PC and receives the CPU command to perform the operation as described above,

In addition, the collected coordinate values are transmitted to the display module to implement and display multiple touch points touched on the screen by the display module.

4 and 5 have an oblique light path according to the invention as shown In the touch screen, the socket 50 is

The first and second light emitting units 21 and 31 are connected to the power relay 60 to supply power.

4 and 5, a lower portion of the first and second light emitting parts 21 and 31 includes a PCB for mounting the light emitting diode 10. Fastening parts 25 and 35 for fastening with the socket 20 are provided under the PCB.

In the first and second light emitting parts 21 and 31 according to the present invention, as shown in FIG. 4, one light emitting diode E is preferably mounted on the PCB.

As shown in FIG. 5, a plurality of light emitting diodes E may be mounted on the PCB.

In consideration of the coordinate system set by the first and second alignment units 20 and 30, it is preferable that the first and second alignment units 20 and 30 can be configured as one LED.

In the light emitting diodes E of the first and second light emitting parts 21 and 31, a (+) pole is connected to the center of the PCB and a (-) pole is connected to the outside of the PCB. The (+) pole mounted to be connected to the center of the PCB (PCB) is connected to the first conducting member 51 of the socket 50 to be described below,

The negative pole connected to the outside of the PCB is connected to the fastening portions 25 and 35 of the light emitting diode E so that the fastening portions 25 and 35 have a second socket 50. It is connected to the conducting member 53.

The fastening portions 25 and 35 provided for fastening with the socket 50 have a cylindrical shape having a through-hole formed therein, and are provided on the inner circumferential surface or the outer circumferential surface, or both the inner and outer circumferential surfaces thereof for screwing with the socket 50. The thread is formed to be screwed with the socket 50 to be described below.

Although shown in the drawing is a state in which the fastening portions 25, 35 and the corresponding fastening portion 57 of the socket 50 is screwed,

Corresponding fastening portions 57 of the fastening portions 25 and 35 and the socket 50 may be fastened by various methods such as interference fit coupling in addition to screwing,

In addition, although the fastening portions 25 and 35 are illustrated in a cylindrical shape in the drawings, they may be formed in various other shapes.

As shown in Figures 4 and 5 the socket 50 according to the present invention is

A first conducting member 51 for connecting to the (+) pole of the light emitting diode (E), a second conducting member (53) for connecting with the (-) pole of the light emitting diode (E), And an insulating member 55 provided to prevent electricity from passing between the first conductive member 51 and the second conductive member 53.

As shown in Figure 4 and 5, the first conducting member 51 for the connection with the (+) pole of the light emitting diode (E) is made of a cylindrical conductor having a through-hole formed therein,

The through-hole is formed with a first conducting member 51 to form the shape of the ordinary light.

The first conducting member 51 is configured such that a portion of the center portion is cut off, and the broken portion is connected through a short circuit means F so that the light emitting diode E is overheated so that the temperature rises. ) So that electricity is cut off to prevent fire.

The method of interrupting electricity by the short circuit means F may be implemented in various ways in addition to the above configuration, the short circuit means (F) is preferably composed of a fuse, it can be implemented in various other ways. have.

When the light emitting diode E is overheated and the temperature rises, the fuse is melted and blown to cut off electricity, and thus a detailed description thereof will be omitted.

In addition, like the fastening parts 25 and 35, the shape of the first conducting member 51 may also be formed in various shapes in addition to the cylindrical shape.

As shown in FIGS. 4 and 5, an insulating member 55 is formed outside the first conductive member 51 to surround the first conductive member 51 to be electrically connected to the second conductive member 53. Do not work.

In addition, the insulating member 55 may be made of various insulating materials such as polyethylene, and is coupled to surround the outside of the first conducting member 51 by a method such as ultrasonic heating or frequency heating.

In addition, the second conducting member 53 for the connection with the (-) pole of the light emitting diode E is formed outside the insulating member 55 surrounding the first conducting member 51,

A corresponding fastening portion 57 is formed on the outer circumferential surface to be coupled to the fastening portions 25 and 35.

Although the drawing shows that the screw thread is formed on the corresponding fastening part 57 to screw the fastening part 25 and 35, it can be fastened by various methods such as interference fit coupling.

In addition, although the corresponding fastening portion 57 is shown as being formed in the second conducting member 53 in the drawing, when each of the light emitting portions 21 and 31 is coupled with the socket 50, the socket 50 The corresponding fastening portion 57 may be formed in the first conducting member 51 according to the size or shape of the c.

The second conducting member 53 is coupled to the outside of the insulating member 55, and is formed of a cylindrical conductor having a through hole formed therein, similarly to the first conducting member 51. A protrusion 53a having a larger outer diameter is formed.

Between the upper part of the protrusion part 53a and the lower part of the fastening part 25, 35, a packing member P is inserted as an anti-loosening means of both fastening parts 25, 35, 57,

The packing member (P) is preferably used as a rubber packing not only serves as a release preventing means of both fastening portions 25, 35, 57, but also serves as a waterproofing material.

However, the rubber packing is not limited to the packing member P, and various other materials may be used as the packing member P.

In addition, the packing member (P) is inserted between the lower portion of the protrusion (53a) and the upper portion of the power relay means 60 is to play the same role as above.

As shown in FIGS. 4 to 6, the spring S is built into the first conducting member 51 as a release preventing means.

The spring S embedded in the first conducting member 51 is formed to have an upper and lower narrow shape to prevent it from being separated from the first conducting member 51.

As described above, the spring S embedded in the first conducting member 51 is formed in the upper and lower strait shape when the spring S is also embedded in the first conducting member 51, which is also the upper and lower strait shape. (S) is prevented from being separated to the lower portion of the first conducting member 51.

As shown in FIGS. 4 and 5, the spring S has an upper portion acting as a release preventing means of both fastening portions 25, 35, 57 by pressing the PCB.

In addition, the configuration of the spring (S) shown in Figure 6 is not shown in the figure, but the upper portion of the spring (S) presses the PCB (PCB),

The lower portion of the spring (S) is configured to press the power relay means 60, both fastening portions 25, 35, 57 or the socket 50 and the power relay means of each light emitting portion and the socket 50 ( 60 may also serve as a release preventing means of both fastening portions.

At this time, the spring (S) is a fastening portion 25, 35, 57 of the light emitting portion (21) and the socket 50, or both fastening portion of the socket 50 and the power relay 60 As well as acting as an anti-loosening means,

The (+) pole of the light emitting diode E and the inner layer 63 of the power relay 60 to be described below are also connected to serve as electrical conduction means.

When the spring (S) is to act as an electrical conduction means as described above, the short circuit means (F) is provided in the middle portion of the spring (S) rather than the first conducting member 51, the light emitting diode (E) is When the temperature rises due to overheating, the short circuit means F is destroyed so that electricity is cut off to prevent a fire or the like.

Therefore, as shown in FIG. 6, when the spring S serves as an electrical conducting means, the first conducting member 51 is not required, and the socket 50 has an insulating member 55 and a second conducting member. It is composed of 53 and the spring (S) is to serve as the first conducting member (51).

5 shows the insulating layer breaking means 59 at the bottom of the socket 50,

In the case where the conductive hole 67a is not formed in the insulating layer 67 of the power relay 60 to which the socket 50 is coupled

The insulating layer destroying means 59 is provided under the socket 50 so that the insulating layer destroying means 59 penetrates the insulating layer 67 and the inner layer 63 of the power relay means 60 and the The first conducting member 51 is connected,

In addition, a screw thread is formed in the insulating layer destroying means 59 so that the insulating layer 67 can be easily penetrated.

As described above, when the insulating layer destroying means 59 is provided below the socket 50, the socket 50 may be connected to the insulating layer 67 of the power relay 60, even if the conductive hole 67a is not formed. It is easy to couple to the power relay 60, it is possible to obtain the mounting convenience.

As shown in FIGS. 4 and 5, the power relay 60 is coupled and energized by the socket 50.

As described above, a plurality of fastening holes 60a are formed on the inner surface of the frame 10 to insert the sockets 20 coupled to the light emitting parts 21 and 31, and

An outer layer 61 having a plurality of outer fastening holes 61a for electrical coupling with the second conducting member 53 of the socket 50 connected to the (-) pole of the light emitting diode E; ,

The inner layer 63 and the upper layer 61 arranged to form an electrical coupling with the first conducting member 51 of the socket 50 connected to the (+) pole of the light emitting diode (E). It comprises a coating layer 65 and an insulating layer 67 arranged between the outer layer 61 and the inner layer 63.

4 and 5, a screw thread is formed in the fastening hole 60a and the energizing hole 67a of the power relay 60.

The fastening hole (60a) is fastened by screwing the socket 50,

The second conducting member 53 of the socket 50 connected to the negative electrode of the light emitting diode E is connected to the outer fastening hole 61a formed in the outer layer 61 by screwing.

The first conducting member 51 of the socket 50 connected to the (+) pole of the light emitting diode E is connected to the inner layer 63 by passing through the conducting hole 67a formed in the insulating layer 67.

As described above, the fastening hole 60a is formed only on the coating layer 65 and the outer layer 61, so that the manufacturing cost is lower than that of the fastening hole 60a to the inner layer 63 of the power relay 60. You can save.

Although not shown in the drawing, the socket and the power relay means may be fastened by various methods such as interference fit coupling in addition to screw coupling.

In addition, the insulating layer may be arranged between the outer layer and the inner layer to prevent an electrical safety problem from occurring.

Through the above configuration, the electrical connection is easy, and in particular, the configuration of the inner layer 63 which is electrically coupled with the first conducting member 51 of the socket 50 connected to the (+) pole of the light emitting diode (E). Therefore, the first conducting member 51 is connected to the inner layer 63 by passing through the conducting hole 67a formed in the insulating layer 67, rather than being connected to a separate electric wire, thereby ensuring a wide contact area. Can prevent contact failure.

An upper surface of the outer layer 61 of the power relay 60 is preferably coated with epoxy for insulation, and the coated coating layer 65 is in contact with the second conducting member 53. This can achieve a more excellent waterproof effect.

In addition, as described above, the packing member P has a lower portion of the protruding portion 53a of the second conductive member 53 in which the coating layer 65 is in contact with the second conductive member 53 and the upper portion of the power relay 60. It is inserted between the phosphorus coating layer 65 can obtain a more excellent waterproof effect.

The outer layer 61 of the power relay 60 is composed of a conductor, and the inner layer 63 is formed of a non-conductor and corresponds to an adjacent portion of the outer layer 61 having an outer fastening hole 61a. Part of the inner layer 63, that is, the portion in which the first conducting member 51 of the socket 50 is connected to the inner layer 63, is preferably composed of a conductor.

This is a configuration for light emitting diodes inserted in a large amount to emit light only in a specific row or only a specific row, or a specific diagonal row.

In the above description with reference to the accompanying drawings, the present invention has been described with a focus on a specific shape and direction in the description of the touch screen having an oblique light path, the present invention can be variously modified and changed by those skilled in the art, such modifications and changes It should be construed as being included in the scope of the invention.

Claims (4)

1. frame;

   A first alignment part including a first light emitting part and a first light receiving part provided along the inner surface of the frame;

   A second alignment part provided along the inner surface of the frame and including a second light emitting part for forming an oblique light path and a second light receiving part;

   MPU connected with the first and second alignment units;

   The first and the second light emitting unit is mounted with a light emitting diode, and includes a PC having a fastening portion,

   A first conducting member, a second conducting member provided outside the first conducting member, and an insulating member arranged between the first and second conducting members,

   A socket connected to each of the light emitting parts, the socket having a corresponding fastening part engaged with the fastening part; And

   A power relay means to which the socket is coupled and energized;

   Touch screen having a diagonal light path made, including.
2. The method of claim 1,

   The socket is a touch screen having an oblique light path, characterized in that both fastening portion release preventing spring of the upper and lower narrow shape is built-in.
3. The method of claim 1,

   The power supply relay means is provided with an insulating layer separating the (+) and (-) poles,

   The lower portion of the socket is a touch screen having a diagonal light path, characterized in that the insulating layer breaking means is provided.
4. The method according to any one of claims 1 to 3,

   The light-emitting diode or the socket, or both, the touch screen having a diagonal light path, characterized in that further provided with an overheat breaking short circuit means.

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