KR20110019248A - Display device assembly and case assembly for display device - Google Patents

Abstract

PURPOSE: A display device assembly and a case assembly for the display device are provided to reduce the manufacturing costs by obtaining a touch coordinates using RF antenna and touch sensor part. CONSTITUTION: A main body(110) comprises a display unit for outputting video signal. An RF(Radio Frequency) antenna(120) is formed on the main body. A touch sensor unit(130) generates a touch location signal, if a user touches a display screen. The touch sensor comprising an RF module transmits the location signal to the main body.

Description

Display device assembly and case assembly for display device {DISPLAY DEVICE ASSEMBLY AND CASE ASSEMBLY FOR DISPLAY DEVICE}

The present invention relates to a display device assembly and a case assembly of a display device, and more particularly, to a display device assembly and a case assembly of a display device including a touch screen function.

In general, a display device refers to a device that outputs an image based on an image signal, and is widely used in electronic devices such as TVs, game machines, computers, mobile phones, and the like.

Recently, various user interfaces of display device assemblies have been developed to enable users to conveniently use such devices in personal computers (PCs), mobile phones, PDAs, PMPs, navigation devices, ATM devices, and the like.

It is very important that the user interface improves user awareness and provides a convenient interactive environment with the user. Accordingly, among the various user interfaces, touch screen technology is most widely used in mobile phones, PDAs, navigation devices, and ATM devices. It is becoming.

Here, the touch screen may refer to a method of inputting a character or a figure displayed on the display device by touching a finger.

A variety of methods have been proposed for the existing touch screen operation methods, and a representative method of the touch screen is to install a sensor that responds to the pressure applied to the screen surface in the horizontal and vertical directions on the display to determine the position when the pressure is applied. The way is common. However, such a pressure-sensitive method is widely used at present, but has a disadvantage in that it is somewhat inferior in precision.

Therefore, the method of increasing the precision, which is a disadvantage to overcome this disadvantage, is to charge the charge on the surface of the screen and install sensors around it, and then detect the loss of information at the time of contact and determine where the contact is made. Dosage schemes have emerged.

However, the capacitive method also has a disadvantage in that the development cost is relatively high. Accordingly, there is a need for technologies that can use the touch screen method while solving the above disadvantages.

The present invention is to solve the above-mentioned problems of the prior art, the object of the present invention relates to a display device assembly and a case assembly of the display device is low manufacturing cost, the touch screen function is easily applied to existing devices.

A display device assembly according to the present invention includes a main body including a display unit for outputting an image signal; A plurality of RF antennas formed in the main body; And an RF module which is formed separately from the main body and touches the surface of the display by a user, and generates a position signal by triangulation at a touch point of the display, and transmits the position signal to the main body. It may include a; touch sensor unit.

In addition, the touch sensor unit of the display device assembly according to the present invention may be characterized in that it comprises a detection sensor on the front surface is formed to detect the contact with the display unit.

In addition, the touch sensor unit of the display device assembly according to the invention may be characterized in that it comprises a coordinate transmission unit for transmitting the position signal to the main body wirelessly.

In addition, the touch sensor unit of the display device assembly according to the present invention may be electrically connected to a cable to transmit the position signal to the main body by wire.

In addition, the touch sensor unit of the display device assembly according to the present invention may be characterized in that it comprises a tip portion which is provided with a space so that the user's finger is inserted therein.

In addition, the touch sensor unit of the display device assembly according to the present invention may be characterized in that it comprises an electronic pen of a bar shape (bar) is mounted on the end of the pressure sensor.

In addition, the case assembly of the display device according to the present invention comprises a case portion for protecting the display device; A plurality of RF antennas mounted to the case unit; And an RF module which is formed separately from the case part and touches the surface of the display by a user, and generates a position signal by triangulation at a touch point of the display, and sends the position signal to the main body. It may include a; touch sensor unit for transmitting.

In addition, the touch sensor unit of the case assembly of the display device according to the present invention may be characterized in that it comprises a pressure sensor for detecting the contact with the display on the front surface.

In addition, the touch sensor of the case assembly of the display device according to the present invention may be characterized in that it comprises a coordinate transmission unit for transmitting the position signal to the main body wirelessly.

In addition, the touch sensor unit of the case assembly of the display device according to the present invention may be electrically connected to a cable to transmit the position signal to the main body by wire.

The display device assembly and the case assembly of the display device according to the present invention can obtain the touch coordinate value by the RF antenna and the touch sensor unit, so that the economical advantage of low manufacturing cost is eliminated without using expensive contact capacitive method. have.

In addition, since the display device assembly and the case assembly of the display device according to the present invention obtain a touch coordinate value by using a triangulation method, the touch coordinate value can be obtained more accurately.

In addition, since the case assembly of the display device according to the present invention can be mounted and used in the display device assembly used in the related art, the function of the touch screen can be simply added to the existing display device assembly.

The display device assembly and the case assembly of the display device according to the present invention will be described in more detail with reference to FIGS. 1 to 8. 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 present invention may be easily proposed, but this will also be included within the scope of the present invention.

1 is a perspective view illustrating a display device assembly according to a first embodiment of the present invention, FIG. 2 is a perspective view illustrating a state before a user touches the display device assembly of FIG. 1, and FIG. 3 is FIG. 1. A perspective view for explaining how the user touches the display device assembly.

1 to 3, the main body 110, the RF antenna 120, and the touch sensor unit 130 may be included.

The main body 110 may be a personal portable terminal including a display unit 112 and a key input unit 114 for outputting an image signal.

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.

However, in the present embodiment, the main body 110 is not limited to the main body of the personal portable terminal, and may mean a main body of various types of display device assemblies.

The display unit 112 receives the received image information from the TV control unit and outputs the image information to the outside. At this time, in the present embodiment, it is preferable that the display unit 112 uses a TV monitor, but it can also be applied to the display of various electronic devices.

In addition, the display unit 112 mounted on the main body 110 may be configured as one of LCD, LED or PDP type.

At this time, the front of the main body 110 is formed with a key input unit 114 for inputting a signal for operating the function of the personal portable terminal. In this case, a plurality of key input units 114 may be formed, and may also be provided on the side surface of the main body 110.

The RF antenna 120 may be mounted to the main body 110 so as to be adjacent to the outside of the display unit 112. In this case, four RF antennas 120 may be mounted to correspond to four corners of the display unit 112. However, the number of RF antennas 120 is not limited thereto and may be three or more.

The RF antenna 120 has a function of communicating with the RF module 136 mounted to the touch sensor unit 130 so that the touch sensor unit 130 generates a position signal with respect to the point of contact with the display unit 112. do.

The touch sensor unit 130 may be formed separately from the main body 110, and may include a tip part 132 having an inner space corresponding to an end portion of the index finger so that the user's index finger is inserted.

In addition, the RF module 136 is mounted inside the tip unit 132 and is electrically connected to the detection sensor 134. In this case, the RF module 136 mounted in the touch sensor unit 130 may generate the position signal of the touch point by triangulation according to the signal sensitivity of the RF antenna 120 according to the touch point with the display unit 112. Can be.

Triangulation is a method of finding the coordinates and distance of a point using the properties of a triangle. Given that point and two reference points, measure the angle between the base and the two sides of the triangle formed by the point and the two reference points, measure the length of the side, and perform a series of calculations using the law of sine. By doing so, it is a method of finding the coordinates and the distance to the point.

Thus, as shown in FIGS. 2 and 3, when the user wants to use the touch screen function, the user can use the function by inserting the tip 132 into a finger and then touching the display 112.

4 is a block diagram illustrating an operation of a touch sensor unit in a display device assembly according to a first embodiment of the present invention.

Referring to FIG. 4, a sensing sensor 134 may be mounted on the front surface of the tip unit 132. Here, the sensing sensor 134 may be a pressure sensor, and may generate a push signal by the pressure difference at the moment when the user touches the display 112.

In this case, the sensing sensor 134 may be electrically connected to the RF module 136 mounted in the tip unit 132, and the triangulation method may be touched by the RF module 136 at the moment when the touch signal is generated as described above. Create a coordinate value.

In addition, after the user touches the display unit 112 using the tip unit 132, a touch coordinate value, which is a coordinate, is generated by the RF module 136, and then a coordinate transmitter installed in the touch sensor unit 130. 138 receives the touch coordinate value and transmits it back to a coordinate information driver (not shown) electrically connected to the main body 110.

Here, the coordinate information driver (not shown) may be an external device that is electrically connected to the controller of the main body 110 separately, or may be a component installed in the main body 110 at the time of manufacture.

In addition, since the vibration motor of the main body 110 is operated at the moment when the push signal is generated in the main body 110, the user may obtain feedback about the touch of the display 112 by the vibration of the main body 110. . However, this configuration may be omitted.

Therefore, since the touch coordinate value is generated at the point where the user touches the display unit 112 using the touch sensor unit 130, this process is applied to touch the display unit 112 without using another key input unit. So you can do keystrokes.

As a result, the display device assembly and the case assembly of the display device according to the present embodiment can obtain the touch coordinate value by the RF antenna 120 and the touch sensor unit 130, so that expensive contact using a special conductive metal material It is more economical because the manufacturing cost can be lower than that of a conventional touch screen such as an electrostatic capacitance method or an arrangement of a plurality of sensors.

In addition, since the display device assembly and the case assembly of the display device according to the present embodiment obtain touch coordinate values by using triangulation, the coordinate values can be obtained more accurately.

In addition, in the conventional touch screen method, a method of applying a material or attaching a plurality of sensors decreases the screen transmittance due to frequent use, and may cause abrasion and contamination. These disadvantages can be solved by obtaining coordinate values through the RF antenna 120 and the RF module 136 without using a sensor.

FIG. 5 is a perspective view illustrating a display device assembly according to a second exemplary embodiment of the present invention, and FIG. 6 is a perspective view illustrating contact of a touch sensor unit with the display device assembly of FIG. 5.

5 and 6, the main body 210, the RF antenna 220, and the touch sensor unit 230 may be included.

In the present embodiment, since the main body 210 and the RF antenna 220 are substantially the same as the configuration of the first embodiment, detailed description thereof may be omitted.

The touch sensor unit 230 may include a bar-shaped electronic pen 232 having a pressure sensor mounted at an end thereof.

In this case, the electronic pen 232 may be connected to a cable 238 for electrically connecting to the end. Accordingly, the electronic pen 232 may be formed to be bound to the main body 210, and when the electronic pen 232 is not used, the cable 238 may be manufactured to be automatically wound inside the main body 210. It may be.

However, in the present embodiment, the touch sensor unit 230 is not limited to the electronic pen, and various tools capable of touching the display unit may be selectively applied according to the intention of the designer.

In addition, a sensing sensor 234 may be mounted on the front surface of the electronic pen 232. Here, the sensing sensor 234 may be a pressure sensor, and may generate a push signal by the pressure difference at the moment when the user touches the display unit 212.

In this case, the sensing sensor 234 may be electrically connected to the RF module 236, and the touch module 236 generates the touch coordinate value by the triangulation method at the moment when the touch signal is generated.

When the touch coordinate value is generated, the touch coordinate value is transmitted to the controller of the main body 210 by the cable 238 connected to the end of the touch sensor unit 230.

Therefore, in the present embodiment, since the signals can be transmitted by wire using the cable 238, the manufacturing cost can be lowered than that of applying an expensive wireless device, and by the use of the cable 238, it is possible to reduce external costs. The electrical connection failure of the touch sensor unit can be prevented from occurring.

FIG. 7 is a perspective view illustrating a case assembly of a display device according to another exemplary embodiment. FIG. 8 is a perspective view illustrating a case in which the display device assembly and the case of FIG. 7 are coupled to each other.

7 and 8, the case assembly of the display device may include a case unit 310, an RF antenna 320, and a touch sensor unit 330.

The case part 310 includes a window part 312 open to a size corresponding to the display part 10, and is mounted to the main body 30 to surround the outside of the main body 30, so that the main body 30 is separated from the external environment. It protects).

In addition, the case 310 may be formed with a plurality of holes corresponding to the key input unit 30 so that the key input unit 20 of the main body 30 is exposed.

The RF antenna 320 may be embedded in the case 310 so as to be adjacent to the corner of the window 312, and a total of four RF antennas 320 may be mounted at positions corresponding to each corner. However, the number of RF antennas 320 is not limited thereto and may be three or more.

The RF antenna 320 communicates with the RF module 336 mounted to the touch sensor unit 330 so that the touch sensor unit 330 generates a position signal with respect to the point of contact with the display unit 10.

The touch sensor unit 330 may include a bar-shaped electronic pen 332 having a pressure sensor mounted at an end thereof.

A sensing sensor 334 may be mounted on the front surface of the electronic pen 332. Here, the sensing sensor 334 may be a pressure sensor, and may generate a push signal by a pressure difference at the moment when the user touches the display unit 10.

The detection sensor 334 may be electrically connected to the RF module 336, and the touch module 336 generates the touch coordinate values by the triangulation method at the moment when the touch signal is generated.

When the touch coordinate value is generated, the coordinate transmitter mounted on the touch sensor unit 330 transmits the touch coordinate value to a coordinate information driver (not shown) electrically connected to the main body 30.

In this case, the electronic pen 332 is not limited to a wireless transmission method, and may be designed to be connected by a wire to be connected to a cable for electrically connecting to an end portion.

Accordingly, the case assembly of the display device according to the present embodiment mounts the case part 310 in which the RF antenna 320 is formed on a general display device assembly that is being used, and is formed by the electronic pen 332 formed separately. There is an effect that can simply add the function of the touch screen to the display device assembly of.

1 is a perspective view illustrating a display device assembly according to a first embodiment of the present invention.

FIG. 2 is a perspective view illustrating a state before a user touches the display device assembly of FIG. 1. FIG.

FIG. 3 is a perspective view illustrating a state in which a user touches the display device assembly of FIG. 1. FIG.

4 is a block diagram illustrating an operation of a touch sensor unit in a display device assembly according to a first embodiment of the present invention.

5 is a perspective view illustrating a display device assembly according to a second exemplary embodiment of the present invention.

FIG. 6 is a perspective view illustrating a touch sensor unit contacting the display device assembly of FIG. 5.

7 is a perspective view illustrating a case assembly of a display device according to another exemplary embodiment of the present invention.

8 is a perspective view illustrating a state in which the display device assembly and the case of FIG. 7 are coupled to each other.

Explanation of symbols on the main parts of the drawings

110, 210 ... main body 120, 220 ... RF antenna

130, 230 ... Touch sensor 134, 234 ... Sensor

136, 236 ... RF module 310 .... case

Claims (10)

A main body including a display unit for outputting an image signal; A plurality of RF antennas formed in the main body; And An RF module which is formed separately from the main body and touches the surface of the display by a user, and generates a position signal by triangulation at a touch point of the display, and transmits the position signal to the main body Touch sensor unit for; Display device assembly comprising a. The method of claim 1, The touch sensor unit, And a sensing sensor configured to detect contact with the display on a front surface thereof. The method of claim 1, The touch sensor unit, And a coordinate transmitter for wirelessly transmitting the position signal to the main body. The method of claim 1, The touch sensor unit, And a cable for electrically transmitting the position signal to the body. The method of claim 1, The touch sensor unit, And a tip portion provided with a space for inserting a user's finger therein. The method of claim 1, The touch sensor unit, And a bar-shaped electronic pen having a pressure sensor mounted at an end thereof. A case part for protecting the display device; A plurality of RF antennas mounted to the case unit; And An RF module which is formed separately from the case part and touches a surface of the display part by a user, and generates a position signal by triangulation at a touch point of the display, and transmits the position signal to the main body Touch sensor unit for; Case assembly of the display device comprising a. The method of claim 7, wherein The touch sensor unit, And a sensing sensor on the front surface for sensing contact with the display. The method of claim 7, wherein The touch sensor unit, And a coordinate transmitter for wirelessly transmitting the position signal to the main body. The method of claim 7, wherein The touch sensor unit, And a cable electrically connected to the cable to transmit the position signal to the body.

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