KR20100113251A - Display apparatus and control method thereof - Google Patents

Abstract

PURPOSE: A display apparatus and a control method thereof are provided to build sympathy between a viewer and a display device when the menu image displayed on the display device reacts to the movement of viewer. CONSTITUTION: A menu screen generator(10) creates the menu screen expressed in 3D(Dimensional) space. A location perception unit(30) senses the location of a viewer through infrared photo receivers located in the front of the display device, and outputs the location information. A controller(20) changes the display type of the menu screen marked through the display unit(40) based on the location information. The controller senses the location of the viewer based on the received time point of the infrared signal created from the remote controller of infrared photo receivers.

Description

Display apparatus and control method thereof

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display apparatus, and more particularly, to a display apparatus and a method of controlling the same, which allow a display form of a menu screen displayed on a display apparatus to be changed in response to a user's movement.

In recent years, the functions of display apparatuses (eg, TVs, set top boxes, and monitors) have been diversified and complicated. Accordingly, the menu screens provided through the screens of display apparatuses as user interface means have also been diversified and complicated. There is a tendency to become.

In addition, as functions of the display apparatus increase, the number of menu items for executing respective functions on the menu screen also increases. Therefore, in order to visually align them, a menu screen in which menu items are hierarchically structured is widely used.

1 is a view showing an example of a menu screen formed according to the prior art.

As shown in FIG. 1, when the user inputs a menu key, the menu screen formed according to the prior art is displayed in a form in which the screen shows a selection menu for executing respective functions.

The displayed menu items include a set menu, an option menu, an image menu, a picture menu, an audio menu, a time menu, and a Bluetooth menu.

However, the menu screen formed according to the prior art is limited to a function for simply selecting a function and providing information about the viewer's operation, and the image displayed on the menu screen is simply a function selection and information. There is only a reaction that displays on the screen.

Therefore, a method for selecting a menu item more intuitively to the user and also allowing the user to see the selected menu items at a glance is required.

According to an embodiment of the present invention, the display form and the operation form of the menu screen may be changed in response to the movement of the user.

In addition, according to an embodiment of the present invention, the menu items selected by the user may have different responses depending on the frequency of menu selection by the user.

The technical problems to be achieved in the proposed embodiment are not limited to the technical problems mentioned above, and other technical problems not mentioned above are clear to those skilled in the art to which the proposed embodiments belong from the following description. Can be understood.

According to an aspect of the present invention, there is provided a display apparatus for displaying a menu on a screen represented by a three-dimensional space, comprising: a menu screen generator configured to generate a menu screen represented by the three-dimensional space; A display unit which displays a menu screen generated by the menu screen generator; A position detector which detects a viewing position of the user and outputs position information according to the position; And a control unit for changing a display form of a menu screen displayed through the display unit based on the position information output through the position sensing unit.

In addition, the control method of the display device according to an embodiment of the present invention, in the display device for displaying a menu on the screen represented in a three-dimensional space, the step of detecting the position of the user; Determining a display direction of a menu screen to be expressed in the 3D space according to the detected user position; Generating a menu screen expressed in the three-dimensional space corresponding to the determined display direction; And displaying the generated menu screen.

In the display device and the control method thereof according to an embodiment of the present invention, the menu image displayed through the display device reacts as the viewer moves, thereby forming an emotional consensus between the display device and the viewer, and also the menu of the display device. In addition to the basic functions provided by the screen, there is an effect that can provide fun to the user.

The proposed embodiment will be described.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. However, the spirit of the present invention is not limited to the embodiments presented, and other inventions which are further deteriorated by addition, change, deletion, etc. of other components, or other embodiments included within the scope of the present invention can be easily made. I can suggest.

The term used in the present invention was selected as a general term widely used as possible, but in some cases, the term is arbitrarily selected by the applicant, in which case the meaning is described in detail in the description of the invention, the name of a simple term It should be clear that the present invention is to be understood as a meaning of terms.

In other words, in the following description, the word 'comprising' does not exclude the presence of other elements or steps than those listed.

2 is a diagram illustrating a configuration of a display apparatus according to an exemplary embodiment of the present invention.

The display device according to an embodiment of the present invention displays a menu screen expressed in a three-dimensional space on a screen, so that a user can intuitively interface with the display device.

As shown in FIG. 2, the display apparatus includes a menu screen generation unit 10 for generating a menu screen expressed in a three-dimensional space, a display unit 20 for displaying a menu screen generated through the menu screen generation unit, and A menu displayed through the display unit 20 based on the position detector 30 for detecting a viewing position of the user and outputting position information according to the position information, and the position information output through the position detector 30. It is configured to include a control unit 40 for changing the display form of the screen.

Hereinafter, the operation of the display apparatus will be described in detail.

The menu screen generator 10 generates and outputs a predetermined interface screen (menu screen) under the control of the controller 40 according to a user input. Here, the menu screen generation unit 10 may include an OSD generation unit for generating a predetermined interface screen, a region of the graphics card, a 3D graphics engine capable of processing an image in 3D (3-Dimension), and a corresponding program. It can be implemented in various ways.

The menu screen generation unit 10 may generate an interface screen (menu screen) having a predetermined menu under the control of the controller 40 to be described later. Here, the menu may include a plurality of main items and a plurality of sub items for the main items.

Here, the menu screen generating unit 10 may display a menu having a main item and a sub item on the display unit 20 by 3D processing to have a perspective as described below. At this time, the menu screen generation unit 10 processes the menu in two-dimensional coordinates, and may change the display state according to the distance so that the user can feel in three dimensions.

Alternatively, the menu screen generation unit 10 includes a three-dimensional engine to model a geometric shape of the content information using a three-dimensional coordinate system, project the three-dimensional shape onto a two-dimensional plane, The process of rendering the color and contrast of the generated three-dimensional shape is performed. Here, the rendering process is a process of adding realism by adding three-dimensional textures such as shadows or color changes to graphics, such as hidden surface removal, shading, texture mapping, and the like. It may include.

As described above, when the menu screen generating unit 10 calculates the display state of each piece of content information in a three-dimensional coordinate system including a three-dimensional engine and displays each piece of content information in the three-dimensional coordinates having a perspective, the display unit 20, It is possible to provide the user with an improved interface screen than the two-dimensional coordinates. In addition, the menu screen expressed in the three-dimensional space may be expressed in the form of a three-dimensional polyhedron. For example, the three-dimensional polyhedron may be a hexahedron, and the menu screen represented by the three-dimensional space is not limited to the above-described form.

The display unit 20 is for displaying a menu screen expressed in a three-dimensional space through the menu screen generating unit 10 and is not limited to a specific type of display module.

That is, the display unit 20 may be applied to various types of display modules, such as digital light processing (DLP), liquid crystal display (LCD), plasma display penal (PDP), and the like, which display video data.

The position sensor 30 detects the position of the viewer who is currently operating the display apparatus.

Here, the position sensing unit 30 may be composed of a plurality of infrared light receiving unit for receiving the infrared signal generated through the remote controller, may be a camera for photographing the front image of the display device.

Hereinafter, an embodiment according to the configuration of the position sensing unit 30 will be described.

According to an embodiment of the present invention, the position sensing unit 30 may be composed of a plurality of infrared light receiving units.

3 is a diagram illustrating a detailed configuration of the position sensor 30.

That is, as shown in FIG. 3, the position detecting unit 30 includes a first infrared light receiving unit 31, a second infrared light receiving unit 32, a third infrared light receiving unit 33, and a fourth infrared light receiving unit ( 34, the 5th infrared light receiving part 35, the 6th infrared light receiving part 36, the 7th infrared light receiving part 37, and the 8th infrared light receiving part 38 are comprised. Here, in one embodiment of the present invention, the number of components of the infrared light receiving unit is limited to eight, but the number of components of the infrared light receiving unit is not limited thereto and may be increased or decreased from the number.

Referring to the operation of detecting the user's position using the first to eight infrared light receiving unit provided as follows.

First, when a user inputs a specific key for displaying the menu screen using a remote controller, the remote controller generates an infrared signal corresponding to the key input from the user, and the infrared signal generated through the remote controller. Is received through the first to eighth infrared light receiving unit provided in the display device.

In this case, the generated infrared signal is received at each different point of time at each of the infrared light receiving units according to the position of the user.

That is, when the user inputs a specific key of the remote controller at the lower left of the display device, the infrared signal generated through the remote controller is first received through the third infrared light receiver 33.

In other words, if the user inputs a specific key of the remote controller at the lower left of the display device, the infrared light receiving unit closest to the remote controller may be identified as the third infrared light receiving unit 33.

Therefore, when the infrared signal generated through the remote controller is first received through the third infrared light receiver 33, it may be confirmed that the current user's position is the lower left of the display device.

As described above, since the reception timings of the infrared signals through the plurality of infrared light receiving units are different depending on the location of the user, the location of the current user may be determined based on the reception timing of the infrared signals.

According to another embodiment of the present invention, the position sensor 30 may be configured as a camera. Here, the camera may be replaced with a webcam.

That is, the position sensor 30 configured as the camera captures the front image, the left image, the bottom image, the right image and the top image of the display device, respectively. The location sensor 30 analyzes the photographed image to determine the location of the user.

In other words, since the user's face is formed in a specific pattern (head, face, etc.), by analyzing the level of the photographed image, the image of the current user's face can be confirmed.

When the image photographed by the user is confirmed as described above, the position of the user may be grasped based on the photographing direction of the identified image.

In addition, after determining the photographing direction as described above, the location of the actual user in the photographed image may be checked to determine a more detailed user location.

As described above, the position detecting unit 30 according to the present invention may be configured through a plurality of infrared light receiving units or cameras. In addition, the position sensor 30 is not limited to the above configuration, and may be replaced by another means capable of detecting a user position.

That is, the position of the user may be determined by receiving an infrared signal using only one specific infrared light receiving unit and detecting an angle at which the infrared signal is received.

The controller 40 controls each unit of the display device to display an image on the display unit 20.

According to an embodiment of the present disclosure, the control unit 40 may generate the menu screen to generate a menu screen expressed in a three-dimensional space when a signal for displaying the menu screen on the display unit 20 is received from the user. (10) can be controlled.

In this case, the controller 40 determines the display form of the menu screen represented by the three-dimensional space.

That is, when a specific command is input from the user as described above, the controller 40 receives user location information detected through the location sensor 30. The controller 40 determines the rotation direction and the rotation angle of the menu screen based on the received user location information.

In other words, when the user position information is transmitted through the position sensor 30, the controller 40 calculates an absolute or relative coordinate value that is a reference to the display direction of the menu screen based on the transmitted user position information. do. Herein, the coordinate values may be arbitrary X, Y and Z axis coordinate values representing three-dimensional space.

4 is a diagram illustrating a menu screen formed by an embodiment of the present invention.

That is, as shown in Figure 4, the menu screen formed by the embodiment of the present invention is represented in a three-dimensional space. On the menu screen, a plurality of menu items 100 for selecting respective functions are represented and displayed in a three-dimensional space.

Here, it may be confirmed that each of the menu items 100 is displayed toward the front of the display apparatus. That is, when the detected user position is the front center portion of the display device, the menu screen is displayed without additional rotation.

In addition, a separate specific character image 110 is displayed on the menu screen. The displayed character image 110 is displayed to allow the user to intuitively recognize the display direction of the menu screen. That is, the character image 110 is displayed by moving in the rotation direction of the menu screen. For example, the character image may be an animal image, and the initial animal image may be displayed in a form of moving to an area corresponding to the detected user position after being displayed on a specific area of the display screen.

5 and 6 are diagrams illustrating a menu screen formed by another embodiment of the present invention.

That is, as shown in FIG. 5, when the detected user position is the left side of the display apparatus, each menu item 200 displayed on the menu screen is rotated and displayed in the left direction. In addition, the character image 210 is displayed to move in the left direction of the display screen.

In addition, as shown in FIG. 6, when the detected user position is the right side of the display device, each menu item 300 displayed on the menu screen is rotated and displayed in the right direction. In addition, the character image 310 is displayed in a form moving in the right direction of the display screen.

In addition, when a specific menu item is selected from the user while the menu screen is displayed as described above, the displayed character image may be reacted according to the frequency of selection of the selected menu item.

For example, when the external input item 400 is selected from the user as shown in FIG. 7, the controller 40 checks the frequency of selection of the selected external input item 400, and checks the selected frequency of selection. The display form of the character image is changed according to the number.

In other words, as shown in FIG. 7, when the frequency of selection of the selected external input item 400 is high, the expression of the character image 410 may be changed into a brightly smiling expression. On the contrary, when the frequency of selection of the selected external input item 400 is low, the expression of the character image may change to a crying expression, or the character image may take an action of shaking a hand from side to side.

As such, the display apparatus according to an embodiment of the present invention may form an emotional consensus between the display apparatus and the viewer by reacting the menu image displayed through the display apparatus according to the movement of the viewer, and also the menu screen of the display apparatus. In addition to these built-in features, they can be enjoyable for users.

Hereinafter, a control method of a display apparatus according to an exemplary embodiment of the present invention configured as described above will be described.

8 is a flowchart illustrating a method of displaying a menu screen of a display apparatus according to an exemplary embodiment of the present disclosure.

As shown in FIG. 8, when a menu screen key is input from a user (S101), a position of the user who inputs the menu screen key is sensed (S102). Here, the user position detection may be detected through a plurality of infrared light receiving units as described above, or may be detected through a camera.

Subsequently, the rotation direction and the rotation angle of the menu screen to be expressed in the 3D space are determined according to the detected user position (S103). That is, when the detected user position is the left side of the display device, the rotation direction of the determined menu screen will be leftward. In addition, the rotation angle (X, Y and Z side coordinates) in the left direction may be determined based on the detailed position information of the user.

In operation S104, a menu screen having a three-dimensional shape corresponding to the determined rotation direction and rotation angle is generated.

Subsequently, a menu screen having a 3D shape rotated corresponding to the user position is displayed (S105).

9 is a flowchart illustrating a step-by-step method for detecting a user location according to an embodiment of the present invention.

As shown in FIG. 9, it is first determined whether an infrared signal generated through a remote controller is received (S201).

Subsequently, when the infrared signal is received, the determination result (S201) checks the infrared signal received through each of the infrared light receiving units disposed on the front of the display device (S202).

In addition, if the infrared signals received through the respective infrared light receiving units are checked, the reception timing of the infrared signals received through the respective infrared light receiving units is checked (S203).

Subsequently, the position of the infrared light receiving unit that first receives the generated infrared signal is determined based on the checked reception time (S204).

In addition, the rotation direction and the rotation angle of the menu screen are set to correspond to the position of the infrared light receiving unit.

10 is a flowchart for explaining a user location detection method step by step according to another embodiment of the present invention.

As shown in FIG. 10, first, each image of the front, left, right, upper and lower directions of the display apparatus is photographed (S301).

Subsequently, the captured images are analyzed for each direction (S302).

The user checks the direction of the detected captured image based on the analysis result of the captured image (S303).

Next, the captured image corresponding to the direction is analyzed to determine where the actual user is photographed (S304).

Then, the rotation angle and direction of the menu screen are determined to correspond to the identified shooting direction and shooting position (S305).

11 is a flowchart illustrating a method of displaying a character image according to an exemplary embodiment of the present invention.

As shown in FIG. 11, first, a menu screen having a 3D shape generated through the above method is displayed (S401).

Subsequently, the character image is displayed to correspond to the direction in which the menu screen is displayed (S40). That is, when the menu screen is rotated and displayed in the left direction, the character image facing the left is displayed in the left direction of the display screen.

In operation S403, it is determined whether a specific menu item is selected on the displayed menu screen.

Subsequently, when the specific menu item is selected (S403), the frequency of selection of the selected menu item is checked (S404).

The display form of the character image is changed based on the checked selection frequency (S405). That is, when the facial expression of the displayed character image is expressionless and the frequency of selection of the selected menu item is low, the facial expression of the displayed character image is changed to a crying facial expression. On the contrary, when the frequency of selection of the selected menu item is high, the expression of the displayed character image is changed to a smiley expression.

As such, in the control method of the display apparatus according to an exemplary embodiment of the present invention, an emotional consensus can be formed between the display apparatus and the viewer by reacting a menu image displayed through the display apparatus according to the movement of the viewer. In addition to the basic functions provided by the menu screen of the user can provide enjoyment.

1 is a view showing an example of a menu screen formed according to the prior art.

2 is a view showing the configuration of a display device according to an embodiment of the present invention.

3 shows a detailed configuration of a specific configuration of FIG. 2;

4 is a view showing a menu screen formed by an embodiment of the present invention.

5 is a view showing a menu screen formed by another embodiment of the present invention.

6 is a view showing a menu screen formed by another embodiment of the present invention;

7 is a view for explaining a character image formed by an embodiment of the present invention.

8 is a flowchart illustrating a step-by-step method of displaying a menu screen of a display device according to an exemplary embodiment of the present invention.

9 is a flowchart illustrating a step-by-step method for detecting a user location according to an embodiment of the present invention.

10 is a flowchart for explaining a user location detection method step by step according to another embodiment of the present invention.

11 is a flowchart for explaining a character image display method step by step according to an embodiment of the present invention.

Claims (10)

In the display device for displaying a menu on a screen expressed in a three-dimensional space, A menu screen generator for generating a menu screen expressed in the 3D space; A display unit which displays a menu screen generated by the menu screen generator; A position detector which detects a viewing position of the user and outputs position information according to the position; And, And a controller configured to change a display form of a menu screen displayed through the display unit based on the position information output through the position sensor. The method of claim 1, The position sensing unit A plurality of infrared light receiving unit provided on the front of the display device, The control unit detects the position of the user on the basis of the time when the infrared signal generated from the remote controller through the plurality of infrared light receiving unit. The method of claim 1, The position detecting unit is composed of a photographing unit, The photographing unit photographs a front area of the display device, and analyzes the photographed image and outputs location information according to a user location. The method of claim 1, The control unit is a display device for determining the rotation direction and angle of the menu screen output through the display to correspond to the position information output from the position sensor. The method of claim 1, And a display form of the menu screen is a rotation angle with respect to X, Y, and Z sides of the menu screen represented by the three-dimensional space. In a display device for displaying a menu on a screen expressed in a three-dimensional space Detecting a location of the user; Determining a display direction of a menu screen to be expressed in the 3D space according to the detected user position; Generating a menu screen expressed in the three-dimensional space corresponding to the determined display direction; And, And displaying the generated menu screen. The method of claim 6, Determining the display direction of the menu screen And determining a rotation direction and a rotation angle of a menu screen to be expressed in the 3D space based on the sensed user position. The method of claim 7, wherein And displaying a predetermined character image at a position corresponding to the determined rotation direction and rotation angle. The method of claim 8, And when a particular menu item is selected on the menu screen, changing a shape of the displayed character image in response to the frequency of selection of the selected menu item. The method of claim 6, And changing a rotation direction and a rotation angle of the displayed menu screen according to whether the user's position that is periodically detected is changed.

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