KR20120038043A - Touch apparatus for touch screen - Google Patents

Abstract

PURPOSE: A touch member for touch screen is provided to minimize damage of a touch screen and to extent life time of a touch member by stably inputting a signal and broadening contact area. CONSTITUTION: A support(110) includes a penetration hole. A contact unit(120) is formed in the front side of the support. The contact unit is transformed into a linear shape when contact of a touch screen. The support and the contact unit mix carbon powder. The thickness ratio of the support and the contact unit is 1:0.1-1:0.7.

Description

Touch member for touch screen {touch apparatus for touch screen}

The present invention relates to a touch member for a touch screen, and more particularly, to a touch screen touch member which can be used as a signal input device of various types of touch screens and has high signal input accuracy.

Recently, due to the development of the computer, the touch screen that recognizes the touch screen as a coordinate value is applied to PDA, electronic notebook, various game machines (for example, Nintendo DS), and especially, it recognizes the precise position on the touch screen. In order to be able to do so, a stylus pen having a touch member which is a core material (心 材) capable of touching the surface of the touch screen is used in front of a writing instrument-shaped body.

On the other hand, the touch screen is largely divided into a pressure-sensitive type (感 壓 式: also referred to as a 'resistive thin film' or 'pressure-sensitive') or a capacitive type (靜電 式: also referred to as 'capacitive type' or 'constant voltage'). The pressure-sensitive type is a method of detecting the position by sensing the pressure applied to the surface of the touch screen, and the electrostatic type is a method of detecting the minute current flowing through the human body.

Therefore, the stylus pen having a general structure is used only for a pressure-sensitive touch screen, and when it is intended to be used for a capacitive touch screen, a microcurrent of a human body may flow on a touch member made of a conductive material through a body of a stylus pen that can be held by hand. Should be On the other hand, in the case of the capacitive touch screen, the contact area of the touch member must be wide to recognize the touch signal well.

Accordingly, a conventional touch member structure focusing on these points is shown in FIGS. 1 and 2.

First, according to FIG. 1, the conventional touch member 10 is integrally bonded to the front end of the body 12 of the stylus pen, and the touch member 10 is manufactured by injection molding by mixing carbon powder with silicon. The carbon powder enables the human body to recognize the microcurrent on the touch screen.

However, the touch member 10 is difficult to control the user's touch pressure, when a certain pressure or more is applied, the touch member 10 is swept on the touch screen (1), the exact position on the touch screen (1) If it is difficult to recognize and the touch pressure applied to the touch screen 1 is large, it causes a shortening of the life of the touch screen 1.

On the other hand, Figure 2 is a view showing another example of a conventional touch member, according to which the touch member 20 is injection molded by mixing the carbon powder in silicon but the tube type conductive tube 22 of uniform thickness, and The front end of the conductive tube 22 is made of a core 24 made of a plastic material which is closed to the rear end of the conductive tube 22 so as to maintain a half-moon shape, the core 24 is integrally finished with a conductive tube of the stylus fan It is used by attaching it integrally to the body (30).

By the way, the touch member 20 is integrally bonded to the conductive tube 22 and the core 24 with an adhesive, the core 24 is integrally bonded after applying the adhesive to the body 30 of the stylus fan again Since the conductive tube 22 must be integrally bonded again, the manufacturing process is complicated. In addition, when the thickness of the conductive tube 22 is uniform throughout, and it is used for signal input of the touch screen, the contact surface is not uniform due to irregular crushing on the surface of the touch screen 1, and when such fatigue accumulates the conductive tube. (22) may be torn or frayed, resulting in reduced durability and increased replacement costs.

Accordingly, to solve these problems, an object of the present invention is to provide a touch screen touch member capable of stable signal input by contacting the touch screen while spreading the contact area wide and uniform shape when a signal is input to the touch screen. Is in.

Another object of the present invention is to provide a touch member for a touch screen having a simple structure of the touch member and a structure that is easily replaceable in the body of the stylus pen.

The present invention to achieve this object;

And a contact portion formed in a cylindrical shape having a through hole formed at the center thereof, and a contact portion formed at a front end of the support portion so as to communicate with the through hole so as to be deformed in a straight line shape when contacted with the touch screen, and having a hollow having an extended inner diameter. Provided is a touch member for a touch screen.

In this case, the support portion and the contact portion is characterized in that the injection molding by integrally mixing the carbon powder with silicon.

In addition, the thickness ratio of the inside and the outside thickness of the support portion and the inside and outside of the contact portion is characterized in that 1: 0.1 to 1: 0.7.

And, the hollow of the contact portion is characterized in that it is formed long in the front and rear or long in both sides.

In addition, the outer surface of the contact portion is characterized in that the urethane coating layer is further formed.

The support part may include a first support groove formed inside the through hole, and a first support protrusion fitted to the first support groove may be formed in a body of the stylus fan to which the support part is coupled.

In addition, a second support protrusion is formed on the outer side of the support, and a second support groove into which the second support protrusion is fitted is formed in the body of the stylus fan to which the support is coupled.

In addition, the support portion is formed with a third support protrusion on the outside, the body of the stylus fan to which the support is coupled is formed with a guide portion that can be moved forward and backward, the third front end is fastened to the third support protrusion The support jaw is formed, characterized in that the guide portion is provided with a spring for pressing the rear end of the support portion.

In addition, the support portion is formed with a fourth support protrusion on the outer side, the outer peripheral surface of the front end of the body of the stylus fan coupled to the support portion is characterized in that the male thread to which the fixing nut for supporting the fourth support protrusion is formed. .

And, the rear end of the support is characterized in that the extension portion having a fitting hole for the fingers can be further formed.

In addition, the through-hole of the support is characterized in that the sealing core material is integrally coupled.

The dome-shaped protrusion protruding to the rear side is further formed in the hollow front portion of the contact portion.

In addition, the support portion is coupled to the front end of the body 200 of the stylus pen made of electrically conductive silicone, the fastener is coupled to the outer peripheral surface of the coupling portion of the body and the support portion, the lid is detachably provided at the front end of the fastener And, the rear end of the fastener is characterized in that the cover body is manufactured by injection molding a synthetic resin material mixed with a conductive material surrounding the body is coupled.

According to the present invention, when the contact portion of the front end of the support of the touch member contacts the touch screen, the contact area is widened by contacting the surface of the touch screen while being uniformly unfolded in a straight line without being deformed irregularly or deformed irregularly. It is made to be stable to minimize the damage of the touch screen, there is an advantage to extend the life of the touch member.

In addition, when the structure of the touch member is simple and applied to the stylus pen, it is easy to replace in the body, there is a wide advantage of the user's selection by providing a thimble-type touch member.

1 and 2 are views illustrating touch members for a conventional touch screen.
3 is a diagram illustrating an example of using a stylus pen to which a touch member according to the present invention is applied.
4A and 4B illustrate an example of a touch member according to the present invention.
4C and 4D illustrate other examples of the touch member according to the present invention.
5A and 5B illustrate another example of the touch member according to the present invention.
6a to 6e are views illustrating still another embodiment of the touch member according to the present invention.
7 is a view showing another embodiment of a touch member according to the present invention.
8 to 10 illustrate various application examples of the touch member according to the present invention.

With reference to the accompanying drawings, a touch member for a touch screen according to the present invention will be understood by the embodiments described in detail below.

According to FIG. 3, the touch member 100 for a touch screen according to the present invention may be used for signal input of a touch screen 1 such as a mobile phone, a PDA, an electronic notebook, various game machines, navigation, a language learner, and the like. The touch member 100 is provided at the front end of the body 200 of the stylus pen.

In this case, although the stylus pen to which the touch member 100 is applied may be provided separately, as illustrated in FIG. 8, the touch member 100 is integrally provided at the rear end of the writing instrument 300, or in FIG. 9. As shown, the touch member 100 may be integrally provided at the end of the antenna 400 such as a mobile phone.

In this case, in order to prevent damage to the touch member 100, as shown in FIG. 8, the writing instrument 300 includes a closing cap 302 separately from the main cap 306 protecting the writing instrument core 304. It is preferable to.

In addition, the body 200 of the stylus pen is made in the shape of a writing instrument, the body 200 is made of a conductive metal material or a good electrical conductivity on the surface of the body so that a minute current of the human body flows, such as copper, aluminum, carbon The conductive material is formed by forming an electrically conductive layer by electroplating, chemical plating, or coating.

In addition, the body 200 of the stylus pen has a circular or polygonal cross section.

In addition, the body 200 of the stylus pen is made of electroconductive silicon, which is injection molded by mixing carbon powder with silicon, as shown in FIG. 10, and a support part of the touch member 100 at the front end of the body 200. 110 is integrally coupled with an adhesive or the like, the fastener 210 is integrally coupled to the outer peripheral surface of the coupling portion of the body 200 and the touch member 100 by an adhesive or the like. The front end of the fastener 210 is provided with a detachable lid 310 to protect the touch member 100, the rear end of the fastener 210, the cover body 320 surrounding the body 200 Is combined.

In this case, the cover body 320 is manufactured by injection molding a synthetic resin material mixed with a conductive material such as copper, aluminum, carbon having excellent electrical conductivity, and when the body 200 is wrapped with the cover body 320 of the human body, The minute current flows to the body 200 and the touch member 100 through the cover body 320.

Hereinafter, various embodiments of a touch member for a touch screen according to the present invention will be described in detail with reference to FIGS. 4A to 7.

First, Figures 4a and 4b is a view showing an embodiment of the present invention, according to the touch member 100 according to the present invention is made of electroconductive silicon injection-molded by mixing the carbon powder in silicon.

On the other hand, the touch member 100 should be a structure that can evenly contact the touch screen 1 while spreading in a uniform shape when contacting the surface of the touch screen 1 to input a signal to the touch screen (1). do.

To this end, the touch member 100 is formed at the front end of the support portion 110 and the support portion 110 made of a cylindrical shape having a through-hole 112 in the center, when the contact with the touch screen (1) The contact portion 120 communicates with the through hole 112 and is formed with a hollow portion 122 having an inner diameter extended from that of the through hole 112.

At this time, the contact portion 120 has a dome structure protruding forward, and the thickness of the inner and outer sides is relatively weak compared to the inner and outer thickness of the support 110. Accordingly, when the contact portion 120 contacts the surface of the touch screen 1, the contact portion 120 is relatively weak compared to the support portion 110, and thus the contact portion 120 is deformed in shape.

)형상으로 변형된다.As such, when the contact part 120 contacts the surface of the touch screen 1, the contact part 120 is uniformly spread from the contact point, and the hollow 122 of the contact part 120 is spread in a single (−) shape so that the entire through hole 112 is formed. ) And hollow 122 cross section (

Is transformed into a shape.

At this time, as an example, the thickness ratio between the inner and outer thicknesses of the support 110 and the inner and outer sides 110 of the contact portion 120 is in a range of 1: 0.1 to 1: 0.7 so that the support 110 is almost deformed. It is preferable to perform only a function of supporting the contact portion 120 without occurrence, and to cause deformation to occur only when the contact portion 102 is contacted.

The touch member 100 having such a structure applies an adhesive to the rear end of the support 110 and bonds it integrally.

Meanwhile, according to FIG. 4C, the touch member 100 according to the present invention is integrally bonded to the through-hole 112 formed at the center of the support 110 by using the sealing core material 112a as an adhesive or the like, and thus the hollow 122 is formed. To be sealed. In this case, the sealing core material 112a is preferably made of electrically conductive silicon that is injection molded by mixing carbon powder with silicon in the same manner as the touch member 100. Therefore, according to such a structure, when the touch member 100 touches the touch screen 1, the hollow 122 functions as a tube and contacts the touch screen 1 while spreading in a uniform shape.

In addition, according to FIG. 4D, the touch member 100 according to the present invention is formed with a dome-shaped protrusion 122a protruding to the rear side of the hollow 122 of the contact portion 120.

Therefore, when the contact portion 120 contacts the surface of the touch screen 1, the protrusion 122a formed in the hollow 122 of the contact portion 120 retreats and is uniformly spread on the surface of the touch screen 1.

On the other hand, the hollow 122 of the contact portion 120, as shown in Figure 4a in addition to being made of a complete sphere (sphere) as a whole in consideration of the design side as shown in Figure 5a as shown in Figure 5a It can be formed long in the front and rear sides. In addition, as shown in FIG. 5B, the hollow 122 may be elongated to both sides so that the hollow 122 may be stably formed.

In addition, a urethane coating layer 101 is formed on the outer surface of the touch member 100 so that the contact portion 120 of the touch member 100 is smoothly slid on the touch screen 1.

In addition, the touch member 100 is detachably provided at the front of the body 200 of the stylus pen with various structures as shown in FIGS. 6A to 6E to facilitate the wear of the touch member 100. By allowing replacement in the body 200 should be able to reduce the replacement cost.

To this end, as shown in FIG. 6A, the support 110 of the touch member 100 has a first support groove 113 formed inside the through hole 112, and the first support is formed on the body 200 of the stylus pen. The first support protrusion 203 is fitted to the groove 113 is formed. By such a structure, the first support groove 113 is detachable from the first support protrusion 203, so that the touch member 100 can be easily detached or fastened from the body 200 of the stylus pen.

In addition, as shown in FIG. 6B, a second support protrusion 114 is formed outside the support 110 of the touch member 100, and the second support protrusion 114 is fitted to the body 200 of the stylus pen. The second supporting groove 204 is formed. Such a structure allows the second support groove 204 to be attached and detached from the second support protrusion 114 so that the touch member 100 can be easily detached or fastened from the body 200 of the stylus pen.

6C, the support 110 of the touch member 100 has a first support groove 113 formed inside the through hole 112 and a second support protrusion 114 formed outside. The body 200 of the stylus pen is formed with a first support protrusion 203 fitted into the first support groove 113 and a second support groove 204 into which the second support protrusion 114 is fitted. With this structure, the first and second support protrusions 114 and 203 can be attached and detached from the first and second support protrusions 114 and 203 to easily detach or fasten the touch member 100 from the body 200 of the stylus pen. can do. Since the touch member 100 of FIG. 6C has a greater fastening force than the touch member 100 illustrated in FIGS. 6A and 6B, the touch member 100 may maintain a more stable coupling state.

In addition, as shown in FIG. 6D, the support 110 of the touch member 100 has a third support protrusion 115 formed on the outside thereof, and the support portion of the touch member 100 is formed on the body 200 of the stylus pen. A guide part 205 capable of moving forward and backward 110 is formed, and a third support jaw 206 to which the third support protrusion 115 is fastened is formed at the front end of the guide part 205 and the guide part 205. ) Is provided with a spring 206 for pressing the rear end of the support 110. According to such a structure, the touch member 100 is pressed forward by the elasticity of the spring 207. When the touch member 100 is pressed against the touch screen for signal input to the touch screen 1, the touch member As the 100 is reversed, the excessive force is prevented from being transmitted to the touch screen 1.

In addition, as shown in FIG. 6E, the support part 110 of the touch member 100 has a fourth support protrusion 118 formed at an outer side thereof, and the fourth support protrusion 118 is formed on the outer circumferential surface of the body 200 of the stylus pen. A male thread 208 is formed to which the fixing nut 210 for supporting) is fastened.

In this case, the fixing nut 210 has a through hole 212 formed in the center thereof so that the contact portion 120 of the touch member 100 can be exposed to the outside, and is fastened to the male thread 208 at the front end of the body 200. The touch member 100 may be firmly fixed to the front end of the body 200.

In addition, Figure 7 is a view showing another embodiment of the touch member according to the present invention, the touch member 100 is a thimble structure that can be used to fit the finger (3) without the body of the stylus fan.

The touch member 100 as described above is further formed with an extension portion 119 having a fitting hole (119a) for inserting the finger (3) at the rear end of the support 110.

Therefore, when the user wants to use the signal input of a mobile phone, PDA, electronic notebook, various game machines, navigation, language learner, etc., the user inputs the signal of the touch screen with the finger 3 inserted into the insertion hole 119a. Can be used for

Although the embodiments of the present invention have been described in detail in the foregoing, the scope of the present invention is not limited thereto, and the scope of the present invention extends to substantially the same range as the embodiments of the present invention.

1: touch screen 3: finger
100: touch member 101: urethane coating layer
110: support portion 112: through hole
119: extension 120: contact
122: hollow 200: body of the stylus fan

Claims (13)

The support part 110 is formed in a cylindrical shape having a through hole 112 in the center, and formed in the front end of the support part 110 and the through hole 112 so as to be deformed in a straight line in contact with the touch screen 1 and Touch member for touch screen, characterized in that consisting of the contact portion 120 is formed in communication with the hollow 122 is extended.
The method of claim 1,
The support part 110 and the contact part 120 is a touch member for a touch screen, characterized in that the injection molding by integrally mixing the carbon powder with silicon.
The method of claim 1,
The thickness ratio between the inner and outer thicknesses of the support 110 and the inner and outer sides 110 of the contact portion 120 is 1: 0.1 to 1: 0.7.
The method of claim 1,
The hollow 122 of the contact portion 120 is formed long in the front and rear or long touch member for the touch screen, characterized in that formed long.
The method of claim 1,
Touch member for a touch screen, characterized in that the urethane coating layer 101 is further formed on the outer surface of the contact portion 120.
The method of claim 1,
The support 110 is formed with a first support groove 113 in the through hole 112,
Touch member for a touch screen, characterized in that the support body 110 is coupled to the first support protrusion 203 is formed in the body 200 of the stylus fan coupled to the first support groove 113.
The method of claim 1,
A second support protrusion 114 is formed on the outside of the support 110,
Touch member for a touch screen, characterized in that the support body 110 is coupled to the body 200 of the stylus fan is coupled to the second support groove 114 is fitted.
The method of claim 1,
The support 110 is formed with a third support protrusion 115 on the outside,
In the body 200 of the stylus fan to which the support part 110 is coupled, a guide part 205 to which the support part 110 can be moved forward and backward is formed, and the third support protrusion 115 is formed in front of the guide part 205. The third support jaw 206 is fastened to the formed, the guide portion 205 is a touch member for a touch screen, characterized in that the spring 206 for pressing the rear end of the support 110 is provided.
The method of claim 1,
The support 110 is formed with a fourth support protrusion 118 on the outside,
A male thread 208 is formed on the outer circumferential surface of the front end of the body 200 of the stylus fan to which the support 110 is coupled to which the fixing nut 210 for supporting the fourth support protrusion 118 is fastened. Touch member for touch screen.
The method of claim 1,
Touch member for a touch screen, characterized in that the extension portion 119 having a fitting hole (119a) for inserting the finger (3) is further formed at the rear end of the support 110.
The method of claim 1,
Touch member for a touch screen, characterized in that the sealing core material (112a) is integrally coupled to the through-hole (112) of the support (110).
The method of claim 1,
Touch member for a touch screen, characterized in that the front of the hollow 122 of the contact portion 120 is further formed with a dome-shaped protrusion (122a) protruding to the rear side.
The method of claim 1,
The support 110 is coupled to the front end of the body 200 of the stylus pen made of electrically conductive silicon,
The fastener 210 is coupled to the outer peripheral surface of the coupling portion of the body 200 and the support 110, the lid 310 is detachably provided at the front end of the fastener 210 and the fastener 210. The rear end of the touch screen touch member, characterized in that the cover body 320 is manufactured by injection molding a synthetic resin material mixed with a conductive material surrounding the body 200 is combined.

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