KR101319536B1 - Display device and method of the driving - Google Patents

Abstract

Disclosed are a display device and a driving method thereof, which can automatically set driving conditions of other display devices as a user sets driving conditions of one display device. The display device constituting a part of the screen system includes a display unit for displaying a setting menu for a driving condition, a communication interface unit for outputting setting information input using the setting menu to another display device in the screen system, and a driving condition according to the setting information. And a control unit configured to transmit setting information to another display device according to whether the communication interface unit is connected to another display device.

Image Quality Control, Volume Control, OSD

Description

Display device and driving method thereof {DISPLAY DEVICE AND METHOD OF THE DRIVING}

1 is a diagram illustrating a general screen system.

2 is a diagram illustrating a screen system according to an exemplary embodiment of the present invention.

3 is a block diagram illustrating an example of a display device configuring a screen system according to an exemplary embodiment.

4 is a block diagram illustrating another example of a display device configuring a screen system according to an exemplary embodiment.

5 is a flowchart illustrating a method of driving a display device according to an exemplary embodiment of the present invention.

Description of the Related Art [0002]

100: screen system 200: first display device

210, 310: memory 220, 320: controller

230, 330: communication interface 240, 340: display

300: second display device

The present invention relates to a display device and a driving method thereof, and more particularly, to a screen system having a plurality of display devices, wherein the driving conditions of other display devices are automatically adjusted as the user sets the driving conditions of one display device. The present invention relates to a display device and a driving method thereof.

In general, a display device such as a television (TV) or a computer monitor converts and outputs an input video and audio signal so as to be visually and audibly recognized.

Recently, with the development of processing technology of video and audio signals, miniaturization due to high integration of display devices, and reduction of manufacturing cost of display devices, users implement and implement multi-vision using a plurality of display devices. Increasingly, a plurality of monitors are used in connection with a computer. In this case, the user divides and displays one image into a plurality of screens through the implemented multi vision, or displays the plurality of images on each display device included in the multi vision, or listens to the sound output from each display device. do.

1 is a diagram illustrating a general screen system.

Referring to FIG. 1, a general screen system 10 includes, for example, a first display device 20 and a second display device 30 formed of a television or a monitor.

In the case of the screen system 10 having such a configuration, it is generally illustrated using a setting menu included in an OSD window displayed on each display device 20, 30, or a setting menu key formed outside the display device. As described above, brightness and contrast of each display device 20 and 30, tuning, RGB adjustment, and vertical and horizontal size and position adjustment of the screen are performed.

Therefore, the user must individually operate the display apparatuses 20 and 30 to set driving conditions for the display screens.

Also, when a sound device such as a speaker is connected to each display device to listen to a sound related to an image displayed through each sound device, the user may adjust the volume of each sound device such as the setting menu described above for each display device. Or use the setup menu keys to set individually.

As described above, in the case of setting each driving condition for each display device configuring the multi-vision, when the number of display devices configuring the multi-vision increases, inconvenience in use occurs as the driving conditions are individually set. There is a problem.

In addition, there is a problem in that different driving conditions are set by user's arbitrary operation in setting each driving condition in order to output the optimum image quality or the optimum sound by setting the driving conditions for each.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a display device that can automatically set the driving conditions of other display devices as the user sets the driving conditions.

Another object of the present invention is to provide a method of driving the display device.

In order to achieve the above object of the present invention, the display device constituting a part of the screen system according to an embodiment of the present invention is a display unit for displaying a setting menu for the driving conditions, the setting is input using the setting menu Set a driving condition according to the communication interface unit for outputting information to another display device in the screen system and the setting information, and transmit the setting information to the other display device according to whether the communication interface unit is connected to the other display device. It includes a control unit to make.

Here, when the communication interface unit is connected to the other display device, the communication interface unit may provide connection state information to the controller.

Herein, the driving condition may be a setting value for a screen and an audio display of the screen system which are changed according to the setting information.

The control unit may transmit the setting information after matching the basic setting value of the driving condition with the basic setting value of the driving condition for the other display device.

In order to achieve the above object of the present invention, the display device constituting a part of the screen system according to another embodiment of the present invention is a communication interface for receiving the setting information on the driving conditions applied from the other display device in the screen system And a controller configured to set a driving condition according to the received setting information.

Herein, the driving condition may be a setting value for an image quality and an audio display of the screen system changed according to the setting information.

In this case, the display device according to another embodiment of the present invention may further include a display unit displaying the changed set value.

In order to achieve the above object of the present invention, a method of driving a display device constituting a screen system according to an embodiment of the present invention comprises the step of receiving setting information through a setting menu, another display constituting the screen system Determining a connection state with a device, transmitting the setting information to the other connected display device when the device is connected to the other display device, and setting a driving condition according to the input setting information.

Herein, the driving condition may be a setting value for an image quality and an audio display of the screen system changed according to the setting information.

According to the display device and the driving method thereof according to the present invention, as the driving conditions for the image quality and the voice display of one display device are set, the driving conditions of other display devices included in the screen system can be set at the same time. Can promote it.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a diagram illustrating a screen system according to an exemplary embodiment of the present invention.

2, the screen system 100 according to an exemplary embodiment of the present invention includes a first display device 200 and a second display device 300.

In detail, the first display device 200 and the second display device 300 convert an image or audio signal input from a computer or a broadcasting station into an image or sound that can be visually and audibly recognized. To this end, the first and second display devices 200 and 300 may be implemented as a monitor or a television.

The first display device 200 may include a setting menu key (not shown) outside the first display device 200 to receive a driving condition of the first display device 200 from a user.

In addition, the first display device 200 may be provided with an OSD window having a setting menu generated by operating the setting menu key in the display area, and the setting information corresponding to the setting menu selected by the user through the OSD window. You can set your own driving condition accordingly.

At this time, as shown in the figure, the setting information that is changed as the user selects the setting menu may be formed such that the setting information on the brightness is displayed on the OSD window.

Driving conditions of the first display device 200, for example, driving conditions that are set values such as brightness, contrast, color, horizontal and vertical positions, and loudness, are one example, and the user directly manipulates the display environment of each display device. Set it. As another example, the above-described driving condition may be set to a basic setting value configured as an optimum setting value using an automatic adjustment function.

The second display device 300 is formed substantially the same as the first display device 200. The second display device 300 sets its own driving condition according to the driving condition input to the first display device 200.

To this end, although not shown, the first display device 200 and the second display device 300 should be connected with a signal transmission cable to transmit and receive setting information.

The first and second display devices 200 and 300 will be described in more detail as follows.

3 is a block diagram illustrating an example of a display device configuring a screen system according to an embodiment of the present invention, and FIG. 4 is another example of a display device configuring a screen system according to an embodiment of the present invention. It is a block diagram. In particular, FIGS. 3 and 4 show detailed block diagrams of the first display device 200 and the second display device 300 shown in FIG. 2, respectively.

Referring to FIG. 3, the first display device 200 includes a memory 210, a controller 220, a communication interface 230, and a display 240.

In detail, the memory unit 210 may include programs necessary for driving the first display apparatus 200 and various data generated while driving the first display apparatus 200, for example, channel information, preset driving conditions, and the like. Various data may be stored.

The controller 220 controls overall driving of the first display device 200. For example, the controller 220 may process an image and an audio signal applied from the outside to display the same through an acoustic device such as the display unit 240 or a speaker. In addition, the controller 220 according to an embodiment of the present invention controls to output the driving condition of the first display device 200 to the outside through the communication interface 230.

To this end, the controller 220 includes a microcontrolling unit (MCU) 221, a scaler 222, a video processor 223, an audio processor 224, and an on-screen display (OSD) processor 225. .

The MCU 221 controls the memory unit 210 to write and read programs and data necessary for driving the first display device 210, and controls each unit inside the control unit 220 to control the input of video and audio signals. To control processing.

The scaler 222 and the video processor 223 convert the input analog video signal into a digital video signal, and process and adjust the converted digital video signal to the display unit 240 to match the resolution.

For example, the audio processor 224 is configured of a digital audio processor, an amplifier, and the like, and processes and converts an input voice signal and outputs the same through a sound device such as a speaker.

When the OSD processing unit 225 displays the OSD window on the display unit 240 under the control of the MCU 221 and receives a setting menu from the user through a setting menu formed inside the OSD window displayed on the display unit 240, By using the setting information, the brightness and contrast of the display unit 240, tuning, RGB adjustment, and up, down, left and right size and position adjustment of the screen are performed.

In this case, when setting information about volume control is input from the user through the OSD window formed by the OSD processing unit 225, the MCU 221 controls the audio processing unit 224 to operate according to the setting information. The control unit 200 outputs the voice of the corresponding output level through the 200.

The display unit 240 displays a predetermined image using the image signal processed by the controller 220, and displays an OSD window formed by the OSD unit 225 in a predetermined area of the display unit 240. In this case, the display unit 240 may have a touch screen function to directly receive setting information from the user, display only an OSD window, and control the controller 220 through a menu setting key formed outside the first display device 200. It can also be configured to receive the setting information. The display unit 240 may be formed of a CRT, an LCD, a PDP, or the like.

The communication interface 230 performs interfacing between the first display device 200 and the second display device 300. In particular, in the first display device 200 according to the present invention, when the communication interface unit 230 is electrically connected to the second display device 300 to enable transmission and reception of data, the communication unit 220 controls the connection state information. Can be printed as

For example, the communication interface 230 may include a connector (not shown) to which a signal transmission cable according to D-sub, DVI-I, RS-232C, etc. is connected, and a signal transmission cable is connected to the connector. In accordance with the present invention, the potential of the potential change may be provided, and the potential change of the status check pin may be output to the controller 220 as connection state information.

In addition, the communication interface 230 may be configured to include a connection state check unit (not shown) separate from the connector to which the signal transmission cable is connected. For example, the first display device 200 may be connected to the second display device 300 in a mechanically coupled structure, or the second display device 300 may be disposed in an adjacent area by an infrared method or the like. If it is determined that the configuration of 100, etc., the connection state information may be output to the controller 220 through the following method.

When the first display device 200 and the second display device 300 are connected in a mechanically coupled structure, the connecting portion is formed to have a predetermined level of potential, and the first and second display devices 200 and 300 are formed. ), The potential of the connection portion is changed to the ground potential, for example, so that the ground potential can be used as the connection state information. In this case, the connection state information may be input and recognized through a general purpose input / output (GPIO) pin which is generally provided when the controller 220 is formed of a single chip set.

Similarly, in the case of using the infrared method, the connection state information is received by various methods, such as using the input infrared signal as the connection state information, and receiving the infrared signal and inputting it to the GPIO pin so that the controller 220 recognizes it. can do.

In addition, the communication interface 230 transmits a recognition signal for confirming a connection state with the second display device 300 to the second display device 300 under the control of the controller 220, and the second display device 300. ), The echo signal may be output for the recognition signal transmitted from the second display device 300, and the controller 220 may recognize the echo signal as the connection state information.

In addition, when the first display device 200 is connected to the second display device 300, the communication interface 230 may control setting information In_set output from the control unit 220 under the control of the control unit 220. 2 is output to the display device 300.

Referring to FIG. 3, the second display device 300 includes substantially the same components as the first display device 200. Therefore, detailed description thereof will be omitted.

The communication interface unit 330 of the second display device 300 receives the setting information In_set output from the first display device 200 and inputs it to the controller 320. In this case, since the second display device 300 is a receiving side for receiving the setting information In_set, the communication interface 330 may not output the connection state information.

However, when the user directly inputs the setting information through the OSD menu formed through the setting menu key or the OSD processing unit 325 formed on the second display device 300 itself, the communication interface unit 330 may be the first display device. When the setting information is input from the display device 200 and the setting information is also input from the user to the second display device 300 itself, the setting information applied to determine the priority of each other or from the first display device 200. In accordance with the present invention, it is preferable to output connection state information to determine whether to set its own driving condition or to set its own driving condition according to the setting information directly applied by the user.

In addition, when the communication interface unit 330 receives the above-described recognition signal from the first display device 200, the communication interface unit 330 outputs an echo signal corresponding to the recognition signal output from the controller 320 to the first display device 200. can do.

The OSD processor 325 sets driving conditions of the second display apparatus 200 itself based on setting information applied from the first display apparatus 200, and the MCU 324 is applied from the outside according to the set driving conditions. The video and audio signals are converted and controlled to be output through the display unit 340 and an audio device (not shown).

Looking at the driving method of such a display device in more detail as follows.

5 is a flowchart illustrating a method of driving a display device according to an exemplary embodiment of the present invention.

2 to 5, a method of driving a display device according to an exemplary embodiment of the present invention may include inputting setting information (S100), determining an interconnection state with another display device (S110), Transmitting setting information to another display device (S120); setting driving conditions of the display device included in the screen system according to the setting condition (S130); and driving only the display device in which the setting information is input according to the setting information. And setting the condition (S140).

In operation S100, the first display device 200 receives setting information from a user using an OSD window displayed on the display unit 240 or a menu setting key included in the outside of the first display device 200.

In operation S110, the controller 220 determines whether the first display device 200 and the second display device 300 are interconnected based on the state confirmation information output from the communication interface 230.

As a result of the determination in step S110, when the first and second display devices 200 and 300 are not connected to each other, the controller 220 performs step S140 to input a driving condition of the first display device 200 from the user. Set based on the setting information.

As a result of the determination in step S110, when the first and second display devices 200 and 300 are connected to each other, the controller 220 performs step S120.

In operation S120, the first display apparatus 200 transmits setting information to the second display apparatus 300 through a signal transmission cable connected to the communication interface 230.

In operation S130, the controller 220 of the first display apparatus 200 sets its driving condition according to the setting information input from the user. At the same time, the control unit 320 of the second display device 300 sets its driving condition according to the setting information input from the first display device 200. In this case, as shown in FIG. 2, the first display device 200 and the second display device 300 may be formed to set driving conditions at the same time. After the first display device 200 is set, the second display device 200 may be set. The device 300 may be configured to be set.

In operation S130, when the user is in a state in which setting information is set by inputting setting information to each of the first display device 200 and the second display device 300, driving conditions may be different from each other. In this case, the driving conditions of the first and second display devices 200 and 300 may be set to a default setting value, such as an optimum image quality, before performing step S130, and then may be performed to perform step S130.

In an embodiment of the present invention, the screen system 100 is described as being composed of the first and second display devices 200 and 300, but the embodiment may be variously changed without being limited to the number of configurations. Is obvious.

As described above, according to the present invention, the user does not individually set the brightness, contrast ratio, tuning, RGB adjustment, vertical and horizontal size and position of the screen, and audio output level for the display device configuring the screen system. In addition, the driving conditions of each display device may be set only by setting the above-described driving conditions for one display device, thereby improving user convenience.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the appended claims. It can be understood that it is possible.

Claims (9)

In the display device constituting a part of the screen system, A display unit for displaying a setting menu for driving conditions; A communication interface unit for outputting setting information input using the setting menu to another display device in a screen system; And And a controller configured to set a driving condition according to the setting information and to transmit the setting information to the other display device according to whether the communication interface unit is connected to the other display device. The control unit And transmitting the setting information after matching the basic setting value of the driving condition with the basic setting value of the driving condition for the other display device. The method of claim 1, wherein the communication interface unit, And when connected to the other display device, provide connection state information to the controller. The method of claim 1, wherein the driving condition, And a setting value for an image quality and an audio display of the screen system changed according to the setting information. delete In the display device constituting a part of the screen system, A communication interface unit for receiving setting information on a driving condition applied from another display device in the screen system; And And a controller configured to set a driving condition according to the received setting information. The setting information is And after the basic setting value for the driving condition of the other display device and the basic setting value of the driving condition for the display device are matched. The method of claim 5, wherein the driving condition, And a setting value for an image quality and an audio display of the screen system changed according to the setting information. The method according to claim 6, And a display unit for displaying the changed set value. In the method of driving a display device constituting a screen system, Receiving setting information through a setting menu; Determining a connection state with another display device constituting the screen system; Transmitting the setting information to the connected other display device when connected to the other display device; And Setting a driving condition according to the input setting information; The transmitting step And transmitting the setting information after matching the basic setting value of the driving condition with the basic setting value of the driving condition for the other display device. The method of claim 8, wherein the driving condition, And a setting value for image quality and audio display of the screen system changed according to the setting information.

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