KR20080008153A - Remote controller and method for controlling display device - Google Patents

Abstract

A remote controller and an image apparatus control method using the remote controller are provided to configure a method for controlling picture quality through 2 stages only such as stages of controlling a direction key and a screen brightness key, thereby improving a user's convenience. When a hot key signal is inputted from a remote controller having a direction key and a hot key for controlling screen brightness, a control bar for displaying a screen brightness state is displayed on a display of an image apparatus(401,402). Screen brightness of the display is increased or decreased according to a direction key signal of the remote controller, and an increased or decreased state is displayed on the control bar(403).

Description

Remote controller and method for controlling video device using the same {Remote controller and method for controlling display device}

1 is a view for explaining a method of controlling an image quality using a menu function in a video apparatus according to the prior art;

2A is a view for explaining a remote control according to the present invention;

2B is a view for explaining an OSD related to image quality displayed on a video device when controlling a video device using a remote controller according to the present invention.

3 is a block diagram illustrating an example of a remote controller and a video device according to the present invention.

4 is a flowchart illustrating a method of controlling a video device using a remote controller according to the present invention.

* Description of the symbols for the main parts of the drawings

300: control unit 301: tuner

302: demodulation unit 303: decoding unit

304: display screen processing unit 305: display unit

306: OSD processing unit 307: remote control

The present invention relates to image quality control of an image device, and more particularly, to a remote control that can easily control image quality through a remote control and a video device control method using the same.

In general, the remote control is a television, a digital versatile disc (DVD), a video cassette recorder (VCR), a cable broadcast, a settop box (hereinafter abbreviated as STB), audio ( audio) and other remote control devices that control each electronic product through radio transmission of a control frequency remotely, and each remote control device is used to distinguish each manufacturer's electronic product from another manufacturer's electronic product in transmitting infrared signals. Each electronic product emits an infrared signal according to a differently controlled control code.

Among them, video equipment such as television is moving from analog television to digital television, and digital television provides more various functions.

In such an image device, a user can selectively use various functions through a user interface called a menu. This menu item is then displayed in the form of an on-screen display (OSD).

In order to operate such video equipment, a remote controller is essential.

A remote controller (hereinafter, referred to as a remote controller) is a representative example of a remote control signal output device. The remote controller is used to remotely control a user without directly operating through a key panel installed in a main body of an electronic device such as a TV. Most recently released electronic devices are equipped with a remote controller for remote control for the convenience of the user.

Recently, in order to support various functions of an image device, a remote controller also has more functions.

Hereinafter, a method of controlling image quality in an image apparatus according to the prior art will be described with reference to the accompanying drawings.

1 is a view for explaining a method of controlling an image quality using a menu function in an image apparatus according to the prior art.

Image quality control method using a menu function in a video device according to the prior art is basically a key panel installed in the main body of the video device, or by inputting a menu key configured separately from the remote control for remote control of the video device, the display panel of the video device The basic menu screen for adjusting channels, video, audio, etc. is displayed in an on-screen display (OSD) form.

The user then predicts that the image quality control will be in the sub menu of the image menu using the direction keys (volume keys or numeric keys) of the remote control to control the image quality, and moves to the image menu.

If you move to the image menu like this, the image menu adjusts the sub-menus such as Auto Image, Contrast, Brightness, Color Concentration, Sharpness, Color, and etc. The control bars are displayed in the form of an OSD for this purpose.

Accordingly, when the user moves to the brightness menu of the image quality of the video menu by using one of the direction keys on the remote control, and then controls the movement of the control bar through the other of the direction keys on the remote control, the number related to brightness is displayed. By adjusting, the user can adjust the brightness to the level that he / she needs.

However, there is a problem in the image quality control method in such a conventional video device.

Firstly, to adjust the image quality, at least four levels of input, such as the input of a menu key, the OSD display, and the menu item after moving through the OSD, the necessary menu item among the submenus of the menu item, and the adjustment performed in the submenu. Because of the need for moving and adjusting steps, the adjustment of the various steps has been inconvenient for users who are particularly sensitive to image quality.

Second, older users may experience different contrast and brightness than younger people due to presbyopia compared to younger people. Even if you want to adjust this, you can use various levels of input, movement, and adjustment in using the menu functions for video devices. It could be inconvenient to perform.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a remote control capable of easily controlling image quality brightness through a remote control and a video device control method using the same.

The present invention for achieving the above object is a hot key for generating a control signal for displaying a control bar for controlling the screen brightness on the display unit of the image device, and increases the screen brightness of the image displayed on the display unit Or a direction key for generating a reducing control signal.

Here, the direction key may be formed on the left and right or up and down of the hot key.

And the direction key may be a letter or symbol to indicate the increase or decrease.

In addition, the letter or symbol of the direction key may be formed in the same shape on the control bar displayed on the display unit.

The screen brightness may include at least one of contrast and brightness.

The present invention provides a control bar displaying a screen brightness state on a display unit of a video device when a hot key signal is input from a remote controller having a hot key and a direction key for screen brightness control. And increasing or decreasing the screen brightness of the display unit according to the direction key signal of the remote controller and displaying an increase or decrease state on the control bar.

The increasing or decreasing of the screen brightness may include increasing or decreasing at least one of contrast and brightness of an image displayed on the display unit.

Therefore, the present invention can adjust the screen brightness of the video device in only two steps to improve the convenience of the user, in particular, even in the elderly, there is an effect that can easily adjust the screen brightness.

Other objects, features and advantages of the present invention will become apparent from the following detailed description of embodiments taken in conjunction with the accompanying drawings.

Hereinafter, a remote controller and a video device control method using the same according to the present invention will be described with reference to the accompanying drawings.

2A is a view for explaining a remote control according to the present invention.

The remote control according to the present invention basically selects a power key and one of a plurality of electronic products, or uses a plurality of electronic product selection keys for mode switching, for example, a TV key, a DVD key, and a VCR key. , AUDIO key, CABLE key, STB key, etc. In addition, the DVD, VCR play, stop, pause, forward / reverse navigation key, volume control key, channel control key, etc. The screen brightness key, which is a hot key (shortcut key, shortcut key), is configured. One of the features of the screen brightness key here is that the screen brightness key is configured with a direction key for dimming or brightening the screen brightness. In this case, the directional key is configured with a positive direction key for increasing brightness and a negative direction key for decreasing brightness. Of course, such increase or decrease direction keys may be represented by various letters or symbols.

In other words, after generating the control command to control the screen brightness of the video device through the screen brightness key of the remote controller, press + part or-part of the direction key configured with the screen brightness key to control the brightness of the corresponding direction. The signal is output. Therefore, it can be said that the signal for controlling the screen brightness is divided into three signals. Although the direction keys are formed on the left and right sides of the screen brightness keys, they may be formed on the upper and lower sides according to the designer or the configuration of other keys of the remote controller.

FIG. 2B is a view for explaining an OSD related to image quality displayed on a video device when controlling a video device using a remote controller according to the present invention.

The OSD related to the image quality displayed on the video device when the video device is controlled using the remote controller according to the present invention can be displayed by the user on a television, a digital versatile disc (DVD), a video cassette recorder (VCR), or a cable. If you want to adjust the image quality, among them Brightness and Contrast, while watching the video provided through broadcasting, settop box (hereinafter abbreviated as STB), etc. When a key is input, a control bar for adjusting screen brightness is displayed on the display panel of the video device in the form of an OSD. In this case, the same direction OSD (increase direction (+) OSD, decrease direction (-) OSD) as the screen brightness key may be displayed on the control bar. In such a case, the user enters a menu for screen brightness with the screen brightness key on the remote control, and then adjusts the screen brightness with the + direction key or-direction key on the remote control while viewing the + or-direction OSD displayed on the displayed control bar. The convenience of being able to adjust directly in the bright or dark direction can be provided.

Accordingly, when the user controls the movement of the control bar through one of the direction keys of the remote control, the user can adjust the brightness to the level he / she needs by adjusting the light or dark in the corresponding direction. In this case, when the screen brightness key is adjusted, only the brightness, the contrast, or the brightness and contrast may be adjusted at the same time may vary depending on the system designer.

In addition, the screen brightness key is an embodiment, and according to the system designer, separate hot keys for adjusting sharpness, color density, and color may also be configured.

3 is a block diagram illustrating a remote controller and an image device according to the present invention.

3 illustrates an example of a remote controller and an image device according to the present invention, wherein the image device includes a controller 300, a tuner 301, a demodulator 302, a decoder 303, a display screen processor 304, And a display unit 305 and an on-screen display (OSD) processing unit 306. Also, the remote controller 307 is a remote controller configured with + or-direction keys together with the screen brightness keys described above.

First, the tuner 301 tunes a channel tuned by a user.

The demodulator 302 demodulates the video signal, the audio signal and the data signal of the tuned channel.

The decoding unit 303 decodes the demodulated video, audio and data signals.

The display screen processing unit 304 performs scaling processing so that the decoded video signal can be displayed on the display unit 305, and adjusts the contrast, brightness, color density, sharpness, color, and the like of the display unit 305 and outputs the same. .

On the other hand, the OSD processing unit 306 displays the graphic or OSD characters under the control of the control unit 100 to process the display of the activated screen, the display of the menu button, the display of the selection screen according to the selected menu button in the form of OSD. The display unit 305 outputs to the display screen processing unit 304 according to the design of the system designer.

The controller 300 controls each unit according to a key input of the input device, for example, the remote controller 307, but a part of the control line is omitted.

If a signal for adjusting the screen brightness key is input by the remote controller 307, the control unit 300 controls the OSD to display a control bar for adjusting the screen brightness on the display unit 305 in the OSD form through the OSD processing unit 306. do. If a signal is continuously input from the remote control by the + or-direction key, the signal is judged and displayed so that the brightness of the display unit 305 can be brightened or darkened in the direction (+,-) of the displayed control bar. The screen processor 304 is controlled.

In this case, the display unit 305 displays a separate control bar for adjusting the screen brightness while the image is being displayed in the OSD form as shown in FIG. 2B.

Here, the image displayed on the display unit 305 is referred to as an image decoded through the tuner 301. However, the image displayed on the display unit 305 may vary depending on the system designer. In other words, the image that can be displayed on the display unit 305 is an image decoded by the tuner 301 or an external input image input through an external input terminal (not shown) such as S-video, DVI, component, D-SUB, etc. Can be.

The operation of the controller 300 may be performed by hardware, firmware, middleware or software, or a combination of at least two of them.

4 is a flowchart illustrating a method of controlling a video device using a remote controller according to the present invention.

In the method of controlling a video device using a remote controller according to the present invention, it is determined whether a key signal for adjusting screen brightness is input in a state where an image is displayed on the display unit 305 through a tuner 301 (or an external input terminal). (401).

As a result of determination 401, if a key signal for adjusting screen brightness is input, a control bar which is an OSD graphic displaying a screen brightness state is displayed (402).

Subsequently, when a control signal for adjusting screen brightness is input through a direction key among the keys of the remote controller, the controller 300 that detects the direction of the signal is displayed through the display screen processor 304 according to the control signal. The brightness of the image displayed on the screen is controlled to be bright or dark (403).

Next, the controller 300 determines whether an end key (completion key) has been input or a set time has elapsed from the remote controller (404).

If it is determined that the end key is input or the set time has elapsed, the screen brightness adjusting function is terminated (404). In this case, the control bar for adjusting the screen brightness disappears from the display unit 305.

As described above, the present invention provides a remote control and a video device control method using the same.

First, the user's convenience can be improved because the method for adjusting the image quality consists of only two steps of adjusting the screen brightness key and the direction key, which are hot keys.

Second, there is an effect that the brightness of the screen can be easily adjusted even for the elderly users.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention.

Therefore, the technical scope of the present invention should not be limited to the contents described in the embodiments, but should be defined by the claims.

Claims (7)

A hot key for generating a control signal for displaying a control bar for controlling screen brightness on a display unit of an image device; And, And a direction key for generating a control signal for increasing or decreasing screen brightness of an image displayed on the display unit. The method of claim 1, The direction key is a remote control, characterized in that formed on the left and right or up and down of the hot key. The method of claim 1, The direction key is characterized in that the letter or symbol to indicate the increase or decrease is displayed. The method of claim 3, wherein Character or symbol of the direction key is formed in the same shape on the control bar displayed on the display unit. The method of claim 1, The screen brightness may include at least one of contrast and brightness. Displaying a control bar displaying a screen brightness state on a display unit of a video apparatus when a hot key signal is input from a remote controller having a hot key and a direction key for screen brightness control; And, And increasing or decreasing the screen brightness of the display unit according to the direction key signal of the remote controller and displaying the increased or decreased state on the control bar. The method of claim 6, The increasing or decreasing of the screen brightness may include increasing or decreasing at least one of contrast and brightness of an image displayed on the display unit.

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