KR20110051871A - Touch screen device, personal portable device and method for controlling key input thereof - Google Patents

Abstract

PURPOSE: A touch screen device of a personal portable device and a method for controlling a key input of the same are provided to offer a new interface for performing an additional function by creating a second signal based on the pressure which is applied to a window part. CONSTITUTION: A touch sensor module(120) placed near a window part(110) creates a first signal by sensing a touch on the window part. A pressure sensor(130) creates a second signal by sensing the pressure applied to the window part. The pressure sensor is placed between the window part and the touch sensor module. The pressure sensor comprises a module, a pressure ink layer, and a carbon layer.

Description

Touch screen device, personal portable device and method for controlling key input

The present invention relates to a touch screen device, a personal portable terminal and a key input control method of the personal portable terminal, and more particularly, a touch screen device including a pressure sensor unit, a personal portable terminal including the touch screen device and a key input. It relates to a control method of the device.

Recently, the use of a touch type device that touches and inputs an electronic product according to a user's demand for easy use of an electronic product is becoming common.

Currently, touch screens are a type of input device that can operate electronic devices in an interactive way using only the screen without knowledge of electronic devices. In other words, it is a state-of-the-art technology that can replace the existing keypad or buttons by lightly pressing directly on the screen of the electronic device.

In this case, the touch screen device can save space, achieve improved operability and simplicity, and can easily change specifications and have high user recognition.

Due to these advantages, they are widely used in various fields such as industry, transportation, service, medical care, and mobile.

The touch screen includes a resistive coating on a substrate such as glass and a polyethylene film on the surface thereof, a contact capacitive coating manufactured by coating transparent special conductive metal on both surfaces of the tempered glass. It may include.

In general, a touch screen device is manufactured to transmit a feedback effect by a user's touch and at the same time enable key input. However, such a touch screen device has a limitation in the method of key input to perform many functions at the same time, and there is a demand for techniques to improve this point.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and an object thereof is a touch screen device that enables a user to input a key by sensing a pressure when a user touches a display, a personal portable terminal including the touch screen device, and It is to provide a key signal input control method of the personal portable terminal.

According to another aspect of the present invention, there is provided a touch screen device including: a window unit disposed to expose one surface of an outer case having an opening formed on one surface thereof; A touch sensor module disposed adjacent to the window part to sense that the window part is touched, and generating a primary signal by the touch; And a pressure sensor unit for generating a secondary signal by sensing the pressure applied to the window unit.

In addition, the pressure sensor unit of the touch screen device according to the present invention may be interposed between the window unit and the touch sensor module.

In addition, the pressure sensor unit of the touch screen device according to the present invention, the module portion is formed in the shape of the center opening to correspond to the four corners of the window portion, the pressure ink layer printed on one surface of the module portion, and the pressure ink layer It may be characterized by including a carbon layer printed on the bottom.

In addition, the pressure sensor unit of the touch screen device according to the present invention includes a module portion having a central portion formed of a transparent material, a pressure ink layer printed on one surface of the module portion, and a carbon layer printed on the bottom surface of the pressure ink layer. It can be characterized by.

In addition, the pressure ink layer of the touch screen device according to the present invention may be characterized by using a material of a mixture of polymer and metal.

In addition, the pressure sensor unit of the touch screen device according to the invention characterized in that it comprises an input terminal is formed so that the input pattern is extended into a plurality of branches, and the output terminal is formed so that the output pattern is extended between the input pattern. Can be.

In addition, the touch sensor module of the touch screen device according to the present invention may include a transparent substrate and a transparent electrode applied to a surface of the transparent substrate so as to sense capacitance according to a user's touch.

In addition, the touch sensor module of the touch screen device according to the present invention includes an upper substrate, a lower substrate spaced apart from the upper substrate, transparent electrodes stacked between the upper substrate and the lower substrate, and the transparent electrodes, respectively. It may be characterized in that it comprises a dot spacer which is installed so as to be spaced apart from each other between the transparent electrodes.

On the other hand, the personal portable terminal according to the present invention the main body is provided with a receiving space therein; An outer case assembled to the front of the main body and having an opening formed at the front; A window portion disposed in the opening; A touch sensor module disposed on a bottom surface of the window unit and configured to generate a primary signal by sensing that the window unit is touched; And a pressure sensor unit formed at the side of the window unit and configured to generate a secondary signal by sensing a pressure applied to the window unit. And an image display unit mounted in the accommodation space and displaying an image to provide an image through the touch screen device.

In addition, the pressure sensor unit of the personal portable terminal according to the present invention may be interposed between the window unit and the touch sensor module.

In addition, the pressure sensor unit of the personal portable terminal according to the present invention is a module portion formed in the shape of the center opening to correspond to the four corners of the window portion, the pressure ink layer printed on one surface of the module portion, and the pressure ink layer It may be characterized by including a carbon layer printed on the bottom.

In addition, the pressure sensor unit of the personal portable terminal according to the present invention includes a module portion having a central portion formed of a transparent material, a pressure ink layer printed on one surface of the module portion, and a carbon layer printed on the bottom surface of the pressure ink layer. It may be characterized by.

In addition, the touch sensor module of the personal portable terminal according to the present invention may include a transparent substrate and a transparent electrode applied to a surface of the transparent substrate so as to sense capacitance according to a user's touch.

In addition, the touch sensor module of the personal portable terminal according to the present invention includes an upper substrate, a lower substrate spaced apart from the upper substrate, transparent electrodes stacked between the upper substrate and the lower substrate, respectively, and the transparent electrodes. It may be characterized in that it comprises a dot spacer which is installed to be spaced apart from each other between the transparent electrodes.

On the other hand, the key input control method of the personal portable terminal according to the present invention comprises the steps of: displaying a key input icon on the window portion disposed on the front of the main body; Generating a first signal by detecting a touch sensor module touching the key input function; Controlling a primary key input signal in a control unit according to the primary signal; Generating a secondary signal by detecting a pressure at a moment when a user touches the window unit by a pressure sensor unit; And receiving the secondary signal from the controller to control a secondary key input signal corresponding to the secondary signal.

The controlling of the primary key input signal of the key input control method of the personal portable terminal according to the present invention may be characterized in that the key input icon displayed on the window unit is displayed to be larger than the initial time.

The controlling of the secondary key input signal of the key input control method of the personal mobile terminal according to the present invention may be performed to perform a function of a key input icon displayed on the window unit.

Since the touch screen device, the personal portable terminal and the key input control method of the personal portable terminal according to the present invention include a pressure sensor unit for generating a secondary signal by detecting a pressure applied to a window unit, the secondary signal is additionally added. This has the effect of providing a new interface that can be generated to perform additional functions.

A key input control method of the touch screen device, the personal portable terminal and the personal portable terminal according to the present invention will be described in more detail with reference to FIGS. 1 to 11. Hereinafter, with reference to the drawings will be described in detail a specific embodiment of the present invention.

However, the spirit of the present invention is not limited to the embodiments presented, and those skilled in the art who understand the spirit of the present invention may deteriorate other inventions or the present invention by adding, modifying, or deleting other elements within the scope of the same idea. Other embodiments that fall within the scope of the inventive concept may be readily proposed, but they will also be included within the scope of the inventive concept.

In addition, components having the same functions within the same or similar scope shown in the drawings of each embodiment will be described using the same or similar reference numerals.

1 is a perspective view for explaining a personal portable terminal according to an embodiment of the present invention, Figure 2 is a schematic exploded perspective view for explaining the personal portable terminal of FIG.

1 and 2, the personal portable terminal may include a main body 10, an outer case 20, and a touch screen device 100.

The main body 10 is covered with an inner accommodating space by an outer case 20 of the personal portable terminal, and electronic components may be mounted in the inner accommodating space.

A key button unit may be mounted on the side of the main body 10, and the key button unit may be used for key input such as key tone control or hold.

The outer case 20 may be mounted on the front surface of the main body 10, and an opening 22 may be formed on the front surface of the outer case 20 so that the touch screen device 100 may be exposed to the outside.

Here, the personal portable terminal refers to any mobile terminal capable of being portable such as a mobile phone, a PDA, data communication through a mobile communication network or a satellite communication network, and capable of receiving various image information such as still images or moving images.

The touch screen device 100 may include a window unit 110, a touch sensor module 120, and a pressure sensor unit 130.

The window 110 is disposed to be positioned at the opening 22 of the outer case 20 and may be formed of a transparent film or a substrate.

In this case, openings may be formed at both ends of the window unit 110 to mount the speaker and the camera module. However, the window 110 is not limited thereto and may be formed of a transparent material as a whole.

The touch sensor module 120 may be disposed below the pressure sensor unit 130 and mounted inside the main body.

In this case, the image display unit 140 is disposed on the bottom of the touch sensor module 120, and the image display unit 140 emits light so as to provide the front surface of the personal mobile terminal. In this case, the image display unit 140 may selectively use one of a liquid crystal display (LCD), a plasma display panel (PDP), and an electrolumine scene (EL).

In addition, the touch sensor module 120 and the image display unit 140 may be mounted on a chassis (not shown) and mounted on a personal portable terminal.

3 and 4 are schematic cross-sectional views for explaining in detail the pressure sensor unit according to an embodiment of the present invention, Figure 5 is a direction AA in order to explain the operation of the pressure sensor unit according to an embodiment of the present invention A schematic cross section.

3 and 4, the pressure sensor unit 130 is interposed between the window unit 110 and the touch sensor module 120 to detect a pressure when the window unit 110 is touched. . However, the position of the pressure sensor unit 130 is not limited thereto, and may be interposed between the touch sensor module 120 and the image display unit 140.

At this time, the pressure sensor 130 is printed on the module portion 132, the pressure ink layer 134 printed on one surface of the module portion 132, and the pressure ink layer 134, the central portion is formed of a transparent material Carbon layer 136 may be included.

The module part 132 may be formed of a transparent material at the center part so as to correspond to the sizes of the window part 110 and the opening part 22.

The pressure ink layer 134 and the carbon layer 136 may be formed at both sides of the transparent portion and may be in contact with the window portion 110.

Here, the pressure ink layer 134 is a material in the form of an ink containing a metal in the polymer, for example, a quantum tunneling compound (QTC: Quantum Tunneling Composite) may be representative, it becomes a conductor in proportion to the strength of the pressure It is a configuration through which electrical signals pass. Therefore, since the pressure ink layer 134 is formed in a liquid state, the pressure ink layer 134 is easily printed on one surface of the module unit 132 and manufactured more easily.

Therefore, since the pressure sensor unit 130 can be manufactured in a single module, individual production is possible, and the assembly can be simplified.

As shown in FIG. 3, the carbon layer 136 is first printed on both sides of the module unit 132, and the pressure ink layer 134 may be formed to cover the carbon layer 136. have.

As shown in FIG. 4, an electrode pattern 138 may be provided on the surface of the pressure ink layer 134. In this case, the electrode pattern 138 may include an input terminal 139a in which the input pattern extends into a plurality of branches, and an output terminal 139b in which the output pattern extends between the input patterns.

Accordingly, the electrode pattern 138 is interdigitate-type in which the input terminal 139a and the output terminal 139b are sandwiched with each other (interdigitate-type), and the shape is the electrode pattern 138 and the pressure sensor unit 130. Since the contact area between the electrodes is increased, there is an effect of improving the electrical characteristics of the electrode pattern 138.

At this time, as shown in FIG. 5, the input terminal 139a and the output terminal 139b are not electrically energized with each other, and the pressure sensor 130 and the electrode pattern are pressed by a user (arrow). At the moment when 138 is in contact with each other, the pressure sensor unit 130 changes so that electricity is energized. Therefore, the key signal is input to the personal portable terminal according to this principle.

6 is a schematic cross-sectional view for describing a touch sensor module to which a capacitive method is applied among touch screen devices according to an exemplary embodiment of the present invention.

Referring to FIG. 6, the touch sensor module 120 may include a substrate 122 made of film, plastic, or glass, an ITO metal layer 124 deposited on the substrate, and a stacked upper layer on the transparent electrode 124. An insulating layer 126.

Therefore, when a pen or finger contacts the insulating layer 126 formed on the transparent electrode 124, the X and Y detection signals are applied to the transparent electrode 124, thereby changing the magnitude of the capacitance. It calculates and detects the position.

FIG. 7 is a schematic cross-sectional view illustrating a touch sensor module to which a resistance method is applied in a touch screen device according to an embodiment of the present invention.

Referring to FIG. 7, the touch sensor module 220 is laminated on the upper substrate 222, the lower substrate 223, the bottom surface of the upper substrate 222, and the upper surface of the lower substrate 223 formed of film, plastic, or glass, respectively. The transparent spacers 224 and the transparent electrodes 224 may include dot spacers 230 disposed to be spaced apart from each other.

Therefore, when the electric signal for position detection is applied to the transparent electrodes provided with the dot spacer 230 interposed therebetween, and the upper substrate 222 is pressed by a finger or a pen, the transparent electrode 224 becomes the lower substrate 223. The electrical signal is detected by the lower transparent electrode 223 when the transparent electrode 224 is in contact with the transparent electrode 224. At this time, the position is determined using the magnitude of the detected electrical signal.

As described above, the touch screen device and the personal portable terminal according to the present exemplary embodiment include a pressure sensor unit 130 for generating a secondary signal by detecting pressure applied to the window unit 110. It has the effect of providing a new interface that can generate additional signals to perform additional functions.

Specifically, when a user touches the window unit 110, a primary signal may be generated to perform key input, and a second signal may be additionally generated by detecting a pressure that the user presses, thus performing a different key input. You can do it.

8 is a schematic perspective view illustrating a pressure sensor unit in a touch screen device according to another embodiment of the present invention.

Referring to FIG. 8, the touch screen device 200 may include a window unit, a touch sensor module, and a pressure sensor unit 230.

At this time, since the window portion and the touch sensor module of the present embodiment are substantially the same configuration as the previous embodiment, a detailed description thereof may be omitted.

The pressure sensor unit 230 includes a module portion 232 having a central portion formed of a transparent material, a pressure ink layer 234 printed on one surface of the module portion 232, and a carbon layer printed on the bottom surface of the pressure ink layer 234. 236 and electrode pattern 238.

The module portion 232 may be formed of an opaque material because the center portion is opened to correspond to the size of the window portion and the opening of the outer case.

The pressure ink layer 234 and the carbon layer 236 may be formed at both sides of the transparent portion and may be in contact with the window portion 210. Here, since the pressure ink layer 234 is a material in the form of an ink containing a metal in the polymer, the pressure ink layer 234 is easily printed on both sides of the module unit 232 and thus manufactured more easily.

In addition, the electrode pattern 238 is formed on the surface of the pressure ink layer 234 and serves to allow electricity to flow in the pressure ink layer 234 when the user presses it.

Therefore, since the pressure sensor unit 230 can be manufactured in a single module, individual production is possible, and the assembly can be simplified.

9 to 11 are perspective views for explaining a key input control method of a personal portable terminal according to an embodiment of the present invention.

9 to 11, the key input control method may include displaying a key input icon 300 on the window unit 110 disposed on the front surface of the main body 10.

In this case, in FIG. 9, the key input icon 300 may mean an icon capable of performing a phone call function, but is not limited thereto and may be an icon corresponding to each function according to a designer's intention.

In addition, a primary signal, which is a touch signal, may be generated by the touch sensor module at the moment when the user touches the key input icon 300, and as illustrated in FIG. 10, the primary key input signal corresponding to the primary signal. Will be displayed on the control unit.

In the controlling of the primary key input signal in FIG. 10, the key input icon displayed on the window part may be controlled to be displayed larger than the first time, and the feedback may be fed back to indicate that the user has selected the function.

However, the controlling of the primary key input signal is not limited thereto, and various functions corresponding to the primary key input signal may be applied according to a designer's intention.

When the user presses the key input icon 300 with a predetermined force, the pressure is sensed by the pressure sensor unit, and the secondary signal is received from the controller to correspond to the secondary signal. To control the input signal.

In this case, as shown in FIG. 11, the controlling of the secondary key input signal is to perform a phone call function displayed on the window unit 110. However, the present invention is not limited thereto and according to the intention of the designer, it may be applied to control to perform the function of the key input icon 300 corresponding to each function.

Therefore, the key input control method of the personal portable terminal according to the present embodiment includes a pressure sensor unit for generating a secondary signal by sensing the pressure applied to the window unit 110, so that the primary signal is generated and pressed when touched. There is an effect of providing a new interface that additionally generates a secondary signal at the time to perform additional functions.

1 is a perspective view for explaining a personal portable terminal according to an embodiment of the present invention.

FIG. 2 is a schematic exploded perspective view for explaining the personal portable terminal of FIG. 1.

3 and 4 are schematic cross-sectional views for describing in detail the pressure sensor unit according to an embodiment of the present invention.

Figure 5 is a schematic cross-sectional view of the A-A direction for explaining the operation of the pressure sensor unit according to an embodiment of the present invention.

6 is a schematic cross-sectional view for describing a touch sensor module to which a capacitive method is applied among touch screen devices according to an exemplary embodiment of the present invention.

FIG. 7 is a schematic cross-sectional view illustrating a touch sensor module to which a resistance method is applied in a touch screen device according to an embodiment of the present invention.

8 is a schematic perspective view illustrating a pressure sensor unit in a touch screen device according to another embodiment of the present invention.

9 to 11 are perspective views for explaining a key input control method of a personal portable terminal according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

10 ... Body 20 ... Outer case

100 .... Touch screen device 110 .... Windows

120 .... Touch sensor module 130,230 .... Pressure sensor

132,232 ... Module 134,234 ... Pressure ink layer

136,236 .... Carbon layer 138,238 ... electrode pattern

140,240 .... Image Display 300 .... Key Enter Icon

Claims (17)

A window unit disposed to expose one surface to an outer case having an opening formed at one surface thereof; A touch sensor module disposed adjacent to the window part to sense that the window part is touched, and generating a primary signal by the touch; And A pressure sensor unit for generating a secondary signal by sensing the pressure applied to the window unit; Touch screen device comprising a. The method of claim 1, The pressure sensor unit, The touch screen device, characterized in that interposed between the window portion and the touch sensor module. The method of claim 1, The pressure sensor unit, A touch portion including a module portion formed in a shape having a center open to correspond to the corners of the window portion, a pressure ink layer printed on one surface of the module portion, and a carbon layer printed on a bottom surface of the pressure ink layer Screen device. The method of claim 1, The pressure sensor unit, A touch screen device comprising a module portion having a central portion formed of a transparent material, a pressure ink layer printed on one surface of the module portion, and a carbon layer printed on a bottom surface of the pressure ink layer. The method according to claim 3 and 4, The pressure ink layer, A touch screen device characterized by using a material of a mixture of polymer and metal. The method of claim 1, And the pressure sensor unit includes an input terminal formed to extend an input pattern into a plurality of branches, and an output terminal formed so that an output pattern extends between the input patterns. The method of claim 1, The touch sensor module, And a transparent electrode applied to a surface of the transparent substrate so as to sense a capacitance according to a user's touch. The method of claim 1, The touch sensor module, An upper substrate, a lower substrate formed to be spaced apart from the upper substrate, transparent electrodes stacked between the upper substrate and the lower substrate, respectively, and dot spacers disposed to be spaced apart from the transparent electrodes between the transparent electrodes. Touch screen device comprising a. A main body having an accommodation space therein; An outer case assembled to the front of the main body and having an opening formed at the front; A window unit disposed in the opening, a touch sensor module disposed on a bottom surface of the window unit, configured to generate a primary signal by detecting the touch of the window unit, and formed on the side of the window unit and applied to the window unit A touch screen device having a pressure sensor unit for sensing pressure to generate a secondary signal; And An image display unit mounted in the accommodation space and displaying an image to provide an image through the touch screen device; Personal mobile terminal comprising a. 10. The method of claim 9, The pressure sensor unit, Personal portable terminal, characterized in that interposed between the window unit and the touch sensor module. 10. The method of claim 9, The pressure sensor unit, An individual comprising a module portion formed in a shape having a center open to correspond to the four corners of the window portion, a pressure ink layer printed on one surface of the module portion, and a carbon layer printed on the bottom surface of the pressure ink layer. Mobile terminal. 10. The method of claim 9, The pressure sensor unit, A personal portable terminal comprising a module unit having a central portion formed of a transparent material, a pressure ink layer printed on one surface of the module portion, and a carbon layer printed on a bottom surface of the pressure ink layer. 10. The method of claim 9, The touch sensor module, And a transparent electrode applied to the surface of the transparent substrate so as to sense the capacitance according to the touch of the user. 10. The method of claim 9, The touch sensor module, An upper substrate, a lower substrate formed to be spaced apart from the upper substrate, transparent electrodes stacked between the upper substrate and the lower substrate, and a dot spacer disposed to be spaced apart from the transparent electrodes between the transparent electrodes. Personal portable terminal comprising a. Displaying a key input icon on a window unit disposed in front of the main body; Generating a first signal by detecting a touch sensor module touching the key input function; Controlling a primary key input signal in a control unit according to the primary signal; Generating a secondary signal by detecting a pressure at a moment when a user touches the window unit by a pressure sensor unit; And Controlling the secondary key input signal corresponding to the secondary signal by receiving the secondary signal from the controller; Key input control method of the personal mobile terminal comprising a. The method of claim 15, The controlling of the primary key input signal may include: And controlling the key input icon displayed on the window to be larger than the first one. The method of claim 15, The controlling of the secondary key input signal may include: And controlling a key input icon displayed on the window to perform a function of the key input icon.

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