KR20030081729A - Liquid Crystal Display Apparatus United Touch Panel And Fabricating Method Thereof - Google Patents

Abstract

PURPOSE: A touch panel integrated with liquid crystal display and a method for manufacturing the liquid crystal display are provided to integrate a glass or plastic touch panel with a liquid crystal display using a top case. CONSTITUTION: A touch panel integrated with liquid crystal display includes a liquid crystal display(42), a touch panel(44), a cover bottom, and a top case(70). The liquid crystal display has gate lines, data lines and a plurality of liquid crystal cells. The touch panel has the same size as the size of the liquid crystal display and placed on the liquid crystal display. The touch panel indicates an image projected from the liquid crystal panel with a stylus pen or finger to recognize information of the corresponding point. The cover bottom covers the side and bottom of the liquid crystal display. The top case covers the top edge and side of the touch panel and the side of the liquid crystal display. The top case is combined with the cover bottom to integrate the liquid crystal display with the touch panel.

Description

Touch panel integrated liquid crystal display device and manufacturing method thereof {Liquid Crystal Display Apparatus United Touch Panel And Fabricating Method Thereof}

The present invention relates to a touch panel integrated liquid crystal display device, and more particularly, to a touch panel integrated liquid crystal display device and a method for manufacturing the same, wherein the touch panel is easily repaired by integrating the touch panel with the liquid crystal display device using a top case and a sealing rubber. will be.

The touch panel includes a cathode ray tube (hereinafter referred to as "CRT"), a liquid crystal display (hereinafter referred to as "LCD"), and a field emission display (hereinafter referred to as "FED"). Installed on the display surface of an image display device such as a plasma display panel (hereinafter referred to as "PDP") and an electroluminescent device (hereinafter referred to as "ELD"). A computer peripheral device that presses a touch panel to input predetermined information into a computer.

The touch panel is divided into a resistive type and a capacitive type according to the operation principle. The resistive type touch panel is pressed by a user when voltage is applied to two opposing conductive layers (resistive layer). It is operated by reading the voltage or current change at the contact point generated by contacting two conductive layers and converting them into coordinate values. The capacitive touch panel is a capacitive coupling between a transparent conductive film and a stylus, which is a pen-type input device, at the point of contact that the user presses while the capacitive touch or discharge glass is repeatedly charged or discharged. As a result, a small amount of electric charge is accumulated and the electric charge is read from four input points and converted into coordinate values. The capacitive touch panel needs to be supplied with power to the stylus. In addition, the touch panel is divided into glass type, plastic type and film type according to the material of the lower substrate.

Recently, a resistive touch panel of an analog input method is used mainly because it is integrated with a liquid crystal panel among flat panel displays. A typical liquid crystal panel displays an image by controlling the light transmittance of liquid crystal cells injected between two glass substrates. Each of the liquid crystal cells adjusts the amount of light transmitted in response to the video signal, that is, the pixel signal.

1 is a cross-sectional view of a touch panel integrated liquid crystal display device according to the prior art.

Referring to FIG. 1, the touch panel integrated liquid crystal display according to the related art includes a liquid crystal display 10 and a touch panel 12 attached to an upper portion of the liquid crystal display. In addition, a double-sided adhesive tape 26 for attaching the liquid crystal display device 10 and the touch panel 12 is provided.

The liquid crystal display device 10 includes a liquid crystal display module for displaying an image, a support main 22 for fixing the liquid crystal display module 10, and a cover bottom surrounding the side and bottom of the support main 22 (not shown). And a top case 24 surrounding the side of the cover bottom and the support main 22 and surrounding the upper edge of the support main 22.

The liquid crystal display module is formed at both ends between the lower plate 14, the upper plate 20, the liquid crystal material 16 injected between the lower plate 14, and the upper plate 20, and the lower plate 14 and the upper plate 20. And a seal and a spacer 18 for maintaining the lower plate 14 and the upper plate 20 at predetermined intervals. The lower plate 14 includes a lower glass substrate; A lower polarizing sheet on the lower glass substrate; A gate line, an insulating film, a pixel electrode, and a first alignment layer are sequentially formed on the lower glass substrate. Top plate 20 and the upper glass substrate; An upper polarizing sheet disposed on an upper surface of the upper glass substrate; A black matrix, a color filter, a common electrode, and a second alignment layer are sequentially formed on the lower surface of the upper glass substrate. In addition, a spacer (not shown) is sprayed on the first alignment layer before the lower plate 14 and the upper plate 20 are bonded to the liquid crystal material 16. This spacer allows the liquid crystal material 16 to have a uniform thickness by maintaining a uniform gap between the lower plate 14 and the upper plate 20.

The liquid crystal display device 10 is completed by fixing the liquid crystal display module by the support main 22 and then fixing the liquid crystal display module and the support main 22 by the cover bottom and the top case 24.

The touch panel 12 is placed on the upper polarizing sheet of the upper panel 16 of the liquid crystal display device. In this case, the touch panel 12 may be one of a glass type and a plastic type. The touch panel 12 is integrated with the liquid crystal display 10 by a double-sided adhesive tape 26 bonded to the upper edge of the support main 22 of the liquid crystal display 10.

The glass or plastic type touch panel 12 includes a lower substrate 28 made of glass and plastic materials, an upper substrate 38 made of polyethylene terephthalate (hereinafter referred to as "PET") film, and a lower substrate ( 28 and a spacer 40 spread between the upper substrate 38. The lower transparent conductive layer 30 applied to the entire lower substrate 28 and the first electrode layer 32a are formed in the edge region of the upper direction of the lower transparent conductive layer 30 on the upper surface of the lower substrate 28. A lower surface of the upper substrate 38 may be formed on an upper transparent conductive layer 36 on the front surface of the upper substrate 38 and on an edge in a second direction orthogonal to the first electrode layer 32a on the upper transparent conductive layer 36. The 2 electrode layer 32b is formed. The upper and lower substrates 38 and 30 are bonded by the insulating layer and the adhesive layer 34 formed between the first and second electrode layers 32a and 32b to complete the touch panel 12. The second electrode layer 26b is shorted with the first electrode layer 32a when the upper substrate 38 is pressed by a stylus pen or a finger to generate a signal having a current amount or a voltage level that varies depending on the pressed position. At this time, the upper and lower transparent conductive layers 36 and 30 are indium-tin-oxide (hereinafter referred to as "ITO") and indium zinc oxide (Indium-Zinc-Oxide); (Hereinafter referred to as "IZO") and indium-tin-zinc-oxide (hereinafter referred to as "ITZO"), and the first and second electrode layers 32a and 32b may be It is formed by printing silver (Ag) on the transparent conductive layers 36 and 30.

In the glass or plastic type touch panel integrated liquid crystal display device configured as described above, the touch panel 12 attached to the liquid crystal display device 10 by the double-sided adhesive tape 26 is larger than the liquid crystal display device 10. It has an outer size.

FIG. 2 is a plan view separately illustrating the touch panel integrated liquid crystal display shown in FIG. 1.

Referring to FIG. 2, the touch panel integrated liquid crystal display according to the related art double-bonds the touch panel 12 of FIG. 2 (a) and the liquid crystal display 10 of FIG. 2 (b) having different outer sizes. The tape 26 is used for integration. That is, the touch panel 12 is added to the liquid crystal display device 10 by attaching the glass and plastic type touch panel 12 to the upper portion of the liquid crystal display device 10 using a double-sided adhesive tape 26. On) indicates a structure.

However, the touch panel integrated liquid crystal display device according to the related art uses a double-sided adhesive tape 26 to attach the touch panel 12 to the liquid crystal display device 10, thereby removing the touch panel during the touch panel repair. There is a lot of inconvenience in attaching. In addition, the glass and plastic type touch panels are larger than the outer size of the liquid crystal display device, so that when the touch panel is attached to the liquid crystal display device, the size of the glass and plastic type touch panel integrated liquid crystal display device may be increased. .

In addition, users who use a touch panel attached to a liquid crystal display device purchase a completed liquid crystal display device and a touch panel to perform a separate assembly process to make a device that adds a touch panel function to the liquid crystal display device. There is a need to proceed with the process of attaching to the liquid crystal display device.

Accordingly, an object of the present invention is to provide a touch panel integrated liquid crystal display device which is easily repaired by integrating a glass or plastic type touch panel into a liquid crystal display device using a top case.

Another object of the present invention is to provide a touch panel integrated liquid crystal display device which prevents foreign material from inflowing and mitigates the impact by forming a sealing rubber in the edge region between the touch panel and the liquid crystal display device.

1 is a cross-sectional view of a touch panel integrated liquid crystal display device according to the prior art.

FIG. 2 is a plan view separately illustrating the touch panel integrated liquid crystal display shown in FIG. 1; FIG.

3 is a view showing a touch panel integrated liquid crystal display device according to an embodiment of the present invention;

FIG. 4 is a diagram sequentially listing the touch panel integrated liquid crystal display shown in FIG.

<Explanation of symbols for main parts of drawing>

10,42 liquid crystal display device 12,44 touch panel

14,48: bottom plate 16,46: liquid crystal material

18,56: thread and spacer 20,52: top plate

22,54: Support main 24,70: Top case

26: double sided adhesive tape 28, 58: lower substrate

30,60: lower transparent conductive layer 32,62: electrode layer

34,64: insulation and adhesive layer 36,68: upper transparent conductive layer

38,66: Upper substrate 40,72: Spacer

In order to achieve the above objects, a touch panel integrated liquid crystal display according to the present invention includes a liquid crystal display including a liquid crystal panel including a plurality of liquid crystal cells provided at intersections of gate lines and data lines, and a projection from the liquid crystal panel. A touch panel formed of the same size as the liquid crystal display device and placed on the liquid crystal display device so as to recognize the information of a corresponding position by directing the image with a stylus pen or a finger, and covering the side and the bottom of the liquid crystal display device. A cover bottom, an upper edge and a side of the touch panel composed of any one of the glass type and the plastic type, and the side surface of the liquid crystal display device are fastened and fastened by the cover bottom and the fastening means to integrate the liquid crystal display device and the touch panel. It is characterized by including a top case.

In the present invention, it is characterized in that it further comprises a sealing rubber formed on the edge between the liquid crystal display device and the touch panel to prevent foreign matter from penetrating therebetween or to prevent impact between them.

The liquid crystal display device of the present invention comprises a liquid crystal display module and a support main for fixing the liquid crystal display module; The liquid crystal display module may include the liquid crystal panel and upper and lower polarizing sheets formed on upper and lower portions of the liquid crystal panel.

The liquid crystal display module of the present invention is composed of a liquid crystal material injected between the upper plate, the lower plate and the upper / lower plate and the seals and spacers formed at both ends between the upper plate and the lower plate to maintain the upper plate and the lower plate at predetermined intervals; The upper plate is composed of an upper glass substrate, a black matrix, a color filter, a common electrode, and a second alignment layer formed sequentially on the lower surface of the upper glass substrate, and the lower plate is formed on the lower glass substrate and the lower glass substrate. And a gate line, an insulating layer, a pixel electrode, and a first alignment layer that are sequentially formed.

In the present invention, the glass type touch panel includes a lower substrate made of a glass material, an upper substrate made of polyethylene telephthalate (PET) film, a spacer spread between the lower and upper substrates, and insulated the lower and upper substrates. And an insulating and adhesive layer for bonding; The upper surface of the lower substrate is composed of a lower transparent conductive layer applied to the front of the lower substrate, and a first electrode layer formed in the edge region of the upper direction of the lower transparent conductive layer, the lower substrate is applied to the front of the upper substrate The upper transparent conductive layer and a second electrode layer 62b formed at an edge of the upper transparent conductive layer in a second direction perpendicular to the first electrode layer.

In the present invention, the plastic type touch panel includes a lower substrate made of a plastic material, an upper substrate made of polyethylene telephthalate (PET) film, a spacer spread between the lower and upper substrates, and the lower and upper substrates insulated from each other. And an insulating and adhesive layer for bonding; The upper surface of the lower substrate is composed of a lower transparent conductive layer applied to the front of the lower substrate, and a first electrode layer formed in the edge region of the upper direction of the lower transparent conductive layer, the lower substrate is applied to the front of the upper substrate The upper transparent conductive layer and a second electrode layer 62b formed at an edge of the upper transparent conductive layer in a second direction perpendicular to the first electrode layer.

A method of manufacturing a touch panel integrated liquid crystal display device according to an embodiment of the present invention includes forming a liquid crystal display device including a liquid crystal panel including a plurality of liquid crystal cells provided at intersections of gate lines and data lines; Forming a touch panel with the same size as the liquid crystal display device by instructing an image projected from the panel with a stylus pen or a finger to recognize information of a corresponding position; and sealing rubber on the upper edge of the liquid crystal display device. Forming a touch panel; forming a touch bottom on an upper surface of the liquid crystal display device on which the sealing rubber is formed; forming a cover bottom to surround side surfaces and a bottom surface of the liquid crystal display device; The upper edge and side of the touch panel constituted of any one of the types and the side of the liquid crystal display Is configured to enclose a characterized in that it comprises the step of forming a top case that is integral with the liquid crystal display and a touch panel, with the cover bottom.

In the present invention, the cover bottom and the top case is characterized in that it further comprises the step of fastening by a fastening means such as screws.

The forming of the touch panel in the present invention may include forming upper and lower substrates, forming upper and lower transparent conductive layers on the entire upper and lower substrates, and first upper direction of the upper transparent conductive layer. Forming a first electrode layer at an edge of the second electrode layer, forming a second electrode layer at an edge in a second direction perpendicular to a first direction of the upper surface of the lower transparent conductive layer, and coating the lower transparent conductive layer on the front surface Forming a spacer on the lower substrate, and forming an insulating and adhesive layer between the first and second electrode layers to insulate and bond the upper and lower substrates.

In the present invention, the upper substrate is made of polyethylene terephthalate, and the lower substrate is made of any one of glass or plastic material.

Other objects and features of the present invention in addition to the above objects will become apparent from the description of the embodiments with reference to the accompanying drawings.

Hereinafter, exemplary embodiments of the present invention will be described with reference to FIGS. 3 and 4.

3 illustrates a touch panel integrated liquid crystal display device according to an exemplary embodiment of the present invention.

Referring to FIG. 3, a touch panel integrated liquid crystal display device according to an exemplary embodiment of the present invention includes a liquid crystal display device 42, a touch panel 44 formed on the liquid crystal display device 42, and a liquid crystal display device 42. And a sealing rubber 56 formed at an edge between the touch panel 44 and the touch panel 44. In addition, the cover bottom (not shown) surrounding the bottom of the liquid crystal display device to integrate the liquid crystal display device 42 and the touch panel 44, the cover bottom and the edge of the touch panel 44 and the cover bottom and A top case 70 is fastened by screws (not shown).

The liquid crystal display device 42 is composed of a liquid crystal display module and a support main 54 for fixing the liquid crystal display module. The liquid crystal display module is formed at both ends between the lower plate 48, the upper plate 52, the liquid crystal material 46 injected between the lower plate 48, and the upper plate 52, and the lower plate 48 and the upper plate 52. And a seal and a spacer 56 for maintaining the lower plate 48 and the upper plate 52 at predetermined intervals. The lower plate 48 includes a lower glass substrate; A lower polarizing sheet on the lower glass substrate; A gate line, an insulating film, a pixel electrode, and a first alignment layer are sequentially formed on the lower glass substrate. Top plate 52 and the upper glass substrate; An upper polarizing sheet disposed on an upper surface of the upper glass substrate; A black matrix, a color filter, a common electrode, and a second alignment layer are sequentially formed on the lower surface of the upper glass substrate. In addition, a spacer (not shown) is sprayed on the first alignment layer before the lower plate 48 and the upper plate 52 are bonded to the liquid crystal material 46. This spacer allows the liquid crystal material 46 to have a uniform thickness by maintaining a uniform gap between the lower plate 48 and the upper plate 52. The liquid crystal display device 42 is completed by fixing the liquid crystal display module by the support main 22.

The touch panel 44 is formed to have the same size as the support main 54 constituting the external shape of the liquid crystal display 42 in order to integrate with the liquid crystal display 42. The touch panel 44 includes a lower substrate 60 made of glass or plastic material, an upper substrate 66 made of PET film, and a spacer 72 sprayed between the lower substrate 58 and the upper substrate 66. Equipped. The lower transparent conductive layer 60 applied to the entire lower substrate 58 and the first electrode layer 62a are formed in the edge region of the upper direction of the lower transparent conductive layer 60 on the upper surface of the lower substrate 58. On the lower surface of the upper substrate 66, an upper transparent conductive layer 68 applied to the entire upper substrate 66 and an edge of the upper transparent conductive layer 68 in a second direction orthogonal to the first electrode layer 62a. The second electrode layer 62b is formed. The upper and lower substrates 66 and 58 are bonded by the insulating layer and the adhesive layer 64 formed between the first and second electrode layers 62a and 62b to complete the touch panel 44. The second electrode layer 62b is shorted with the first electrode layer 62a when the upper substrate 66 is pressed by a stylus pen or a finger so that a signal having a current amount or a voltage level that varies depending on the pressed position is generated. In this case, the upper and lower transparent conductive layers 36 and 30 are formed of one of ITO, IZO, and ITZO, which are transparent conductive materials, and the first and second electrode layers 32a and 32b are the transparent conductive layers 68 and 60. ) Is formed by printing silver (Ag).

The touch panel 44 configured as described above is placed on the upper polarizing sheet formed at the outermost side of the upper plate 52 of the liquid crystal display device 42. A sealing rubber 56 is formed at the upper edge of the support main 54 of the liquid crystal display 42 before the touch panel 44 is placed on the top plate 52 of the liquid crystal display 42. The sealing rubber 56 is formed at the edge between the touch panel 44 and the liquid crystal display device including the liquid crystal display module 42 and the support main 54 to prevent foreign matter from penetrating into the space therebetween, and It is used to prevent the impact between the panel 44 and the liquid crystal display device.

A glass or plastic type touch panel integrated liquid crystal display device is completed by sequentially laminating the liquid crystal display device 42, the sealing rubber 56 and the touch panel 44 by the cover bottom and the top case 70. Lose. As a result, since the double-sided adhesive tape is not used when the touch panel 44 is repaired, the cover bottom and the top case 70 are disassembled, and thus only the touch panel is replaced, so that the repair is easy.

FIG. 4 is a diagram sequentially listing the touch panel integrated liquid crystal display shown in FIG.

Referring to FIG. 4, the touch panel integrated liquid crystal display device has a liquid crystal display device 42 having a sealing rubber 56 formed at an edge thereof, as shown in FIG. 4A, and the same size as the liquid crystal display device 42. 4 to enclose an organic or plastic touch panel 44 formed as shown in FIG. 4B, an upper edge and a side surface of the touch panel 44, and a side surface of the liquid crystal display device 42. The top case 70 formed as shown in (c) is formed by sequentially stacking. In this case, the top case 70 is engaged with the cover bottom formed to surround the bottom and side surfaces of the liquid crystal display 42 to complete the touch panel integrated liquid crystal display. Here, the first region 72A is a region where the electrode layers 62 of the touch panel 44 are formed, and the second region 72B is a stylus pen or a finger that displays an image transparent by the liquid crystal display device 42. Instructed by the area to recognize the information of the location.

The manufacturing procedure of the touch panel integrated liquid crystal display device will be briefly described. First, the liquid crystal display module for displaying an image is completed, and the liquid crystal display device 42 is completed by fixing the liquid crystal display module to the support main. At the same time, the touch panel 44 placed on the liquid crystal display device 42 is formed.

When the liquid crystal display 42 and the touch panel 44 are completed, the sealing rubber 56 is formed on the upper edge of the support main 54 of the liquid crystal display 42. This is used to prevent foreign matter from penetrating between them when the liquid crystal display device 42 and the touch panel 44 are integrated or to prevent an impact between the lower substrate of the touch panel formed of glass or plastic and the liquid crystal display device.

After the sealing rubber 56 is formed on the liquid crystal display 42, the touch panel 44 is placed, and then a cover bottom surrounding the side and bottom of the liquid crystal display 42 and the upper edges and sides of the touch panel, The touch panel integrated liquid crystal display device is completed by fastening the top case 70 surrounding the side surface with a screw or the like.

As described above, the touch panel integrated liquid crystal display device and the manufacturing method according to the present invention integrate the glass or plastic type touch panel into the liquid crystal display device by using the top case and the sealing rubber without using the double-sided adhesive tape. Repairing becomes easy. In addition, the touch panel is configured to be the same as the outer size of the liquid crystal display device and integrated so that the touch panel is not larger than the outer size of the liquid crystal display device in manufacturing the touch panel integrated liquid crystal display device.

In addition, the touch panel integrated liquid crystal display device according to the present invention may simplify the manufacturing process by simply placing a touch panel having the same size as the liquid crystal display device on the upper portion of the liquid crystal display device and then integrating the same by an external case means. have.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the technical spirit of the present invention. In addition, the present invention is not limited to the liquid crystal display device, but may be equally applied to other flat panel displays. 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 (10)

A liquid crystal display including a liquid crystal panel including a plurality of liquid crystal cells provided at intersections of the gate lines and the data lines; A touch panel formed of the same size as the liquid crystal display device and placed on top of the liquid crystal display device so as to indicate an image projected from the liquid crystal panel by a stylus pen or a finger to recognize information of a corresponding position; A cover bottom surrounding side and bottom surfaces of the liquid crystal display device; A top case which covers an upper edge and a side of the touch panel formed of any one of the glass type and the plastic type and the side of the liquid crystal display device and is fastened by the cover bottom and the fastening means to integrate the liquid crystal display device and the touch panel. Touch panel integrated liquid crystal display device. The method of claim 1, And a sealing rubber formed at an edge between the liquid crystal display and the touch panel to prevent foreign matter from penetrating therebetween or to prevent impact therebetween. The method of claim 1, The liquid crystal display device is composed of a liquid crystal display module and a support main for fixing the liquid crystal display module: The liquid crystal display module includes a liquid crystal panel and upper and lower polarizing sheets formed on upper and lower portions of the liquid crystal panel. The method of claim 3, wherein The liquid crystal display module includes a liquid crystal material injected between the upper plate, the lower plate, and the upper and lower plates, and a seal and a spacer formed at both ends between the upper plate and the lower plate to maintain the upper plate and the lower plate at predetermined intervals; The upper plate is composed of an upper glass substrate, a black matrix, a color filter, a common electrode, a second alignment layer, etc. sequentially formed on the lower surface of the upper glass substrate, And the lower plate comprises a lower glass substrate, a gate line, an insulating layer, a pixel electrode, and a first alignment layer formed sequentially on the lower glass substrate. The method of claim 1, The glass type touch panel includes a lower substrate made of a glass material, an upper substrate made of polyethylene telephthalate (PET) film, a spacer spread between the lower and upper substrates, and an insulating and bonding layer between the lower and upper substrates. An insulating and adhesive layer; The upper surface of the lower substrate includes a lower transparent conductive layer coated on the entire lower substrate, and a first electrode layer formed in an edge region in the first direction of the lower transparent conductive layer. The lower surface of the upper substrate includes an upper transparent conductive layer coated on the entire upper substrate and a second electrode layer formed at an edge of the upper transparent conductive layer in a second direction perpendicular to the first electrode layer. LCD display device. The method of claim 1, The plastic type touch panel includes a lower substrate made of a plastic material, an upper substrate made of polyethylene terephthalate (PET) film, a spacer spread between the lower and upper substrates, and an insulator for bonding the lower and upper substrates. An insulating and adhesive layer; The upper surface of the lower substrate includes a lower transparent conductive layer coated on the entire lower substrate, and a first electrode layer formed in an edge region in the first direction of the lower transparent conductive layer. The lower surface of the upper substrate includes an upper transparent conductive layer applied to the entire upper substrate and a second electrode layer 62b formed at an edge of the upper transparent conductive layer in a second direction orthogonal to the first electrode layer. Touch panel integrated liquid crystal display device. Forming a liquid crystal display device including a liquid crystal panel including a plurality of liquid crystal cells provided at intersections of the gate lines and the data lines; Forming a touch panel with the same size as the liquid crystal display so as to indicate an image projected from the liquid crystal panel by a stylus pen or a finger to recognize information of a corresponding position; Forming a sealing rubber on an upper edge of the liquid crystal display; Placing the touch panel on an upper surface of the liquid crystal display where the sealing rubber is formed; Forming a cover bottom to surround side and bottom surfaces of the liquid crystal display; Forming a top case configured to surround the upper edge and side of the touch panel formed of any one of the glass type and the plastic type and the side surface of the liquid crystal display device to integrate the liquid crystal display device and the touch panel together with the cover bottom. Method of manufacturing a touch panel integrated liquid crystal display device comprising a. The method of claim 7, wherein And fastening the cover bottom and the top case by means of a fastening means such as a screw. The method of claim 7, wherein The forming of the touch panel may include forming upper and lower substrates; Forming upper and lower transparent conductive layers on the front of the upper and lower substrates; Forming a first electrode layer on an edge in a first direction of the upper transparent conductive layer; Forming a second electrode layer on an edge in a second direction perpendicular to a first direction of the upper surface of the lower transparent conductive layer; Forming a spacer on the lower substrate on which the lower transparent conductive layer is entirely coated; And forming an insulating and adhesive layer between the first and second electrode layers to insulate and bond the upper and lower substrates. The method of claim 9, The upper substrate is composed of polyethylene terephthalate, And the lower substrate is made of any one of glass or plastic materials.