KR101518834B1 - Mobile terminal and method for displaying image using the same - Google Patents

Abstract

The present invention relates to a portable terminal and a video display method using the same, and more particularly, to a portable terminal and a video display method using the same, which can maximally utilize a screen of a display device for displaying an image to be reproduced, . The present invention relates to a portable terminal which reproduces an image file on a portable terminal by connecting a portable terminal and a display device with a TV-out cable, and the portable terminal displays image information of the reproduced image file on the display device And the portable terminal displays the video control window or the additional information while blocking the display of the video information to be reproduced, and a video display method using the same.

Description

Technical Field [0001] The present invention relates to a mobile terminal and a video display method using the same,

The present invention relates to a portable terminal and a video display method using the portable terminal. More particularly, the present invention relates to a portable terminal and a video display method using the portable terminal. More particularly, And a method of displaying images using the portable terminal.

The mobile handset market is growing very fast in a short period of time due to new technologies and functions that stimulate consumer purchasing. In particular, due to the development of the technology, mobile terminals have been installed various applications that meet users' needs beyond the stage of performing simple applications. Accordingly, the user can use voice information, text information, image information, MP3 (Moving Picture Experts Group (MPEG) layer 3), and the like through the portable terminal.

However, when a video file such as a movie is played through the portable terminal and viewed, a small display window is inconvenient to view. In order to solve such inconveniences, a portable terminal providing a TV-out function is also introduced.

When a portable terminal having a TV-out function is connected to a TV through a TV-out cable, the image reproduced from the portable terminal is displayed on the TV as it is, . On the other hand, when the portable terminal performs the TV-out function, the screen of the portable terminal is turned off or displays an image such as a video reproduced on the TV screen.

In the case of using the TV-out function, when the screen of the portable terminal is turned off or the same image is displayed, the screen space of the portable terminal that can provide more information and convenience to the user is wasted. In particular, displaying the same image on the portable terminal and the television has a problem that a limited resource such as the power of the portable terminal is wasted to display the same image.

Therefore, a first object of the present invention is to utilize the screen space of the display unit of the portable terminal for other purposes when using the TV-out function.

A second object of the present invention is to display additional information related to an image reproduced on a display unit of a portable terminal when using a TV-out function.

A third object of the present invention is to improve user convenience of a portable terminal providing a TV-out function.

A fourth object of the present invention is to use the screen of the display device as much as possible for displaying the reproduced image and the screen of the portable terminal as a space for providing control of the reproduced image and additional information.

According to an aspect of the present invention, there is provided a portable terminal including a display unit for displaying a video image transmitted from a portable terminal, And displays a control window for controlling additional information or an image of a displayed image.

The present invention relates to an image file reproducing method using an image display window for displaying an image when reproducing an image file and an image control window for controlling the reproduction of the image file on a screen, Out cable to reproduce an image file on the portable terminal, and the portable terminal transmits and displays image information of the reproduced image file on the display device through the TV-out cable, And a display process of interrupting the display of the image information to be reproduced in the image display window and maintaining the display of the image control window.

According to another aspect of the present invention, there is provided a method of connecting a portable terminal, which displays an image on a screen, with a display device through a TV-out cable, and the portable terminal blocks display of the image through the screen, And displaying the image by transmitting the image to the display device through the TV-out cable and displaying the image.

The present invention also provides a portable terminal including a display unit, a TV-out terminal, and a control unit. The display unit displays an image display window for displaying an image of the image file to be reproduced, and an image control window for controlling the reproduction of the image file. The television-out terminal outputs the video of the display unit to the outside. When the TV-out terminal and the display device are connected by a TV-out cable, the controller transmits video information of the reproduced video file to the display device through the TV-out cable, The display in the image display window is cut off.

The present invention also provides a portable terminal including a display unit, a TV-out terminal, and a control unit. The display unit displays an image. The television-out terminal outputs the video of the display unit to the outside. When the TV-out terminal and the display device are connected by a TV-out cable, the controller transmits the image of the display unit to the display device via the TV-out cable, blocks the display of the image through the display unit And displays the additional information of the image on the display unit.

According to the present invention, when using the TV-out function, the display device displays an image received from the portable terminal, and the display unit of the portable terminal displays a control window or additional information for controlling an image displayed on the display device. Accordingly, the user can view the image through the display device, can control the image displayed on the display device using the portable terminal, and can check the additional information of the displayed image, thereby improving the user's convenience.

1 is an exemplary view showing a video display device according to an embodiment of the present invention.
2 is a block diagram showing the video display device of FIG.
3 is a flowchart illustrating an image display method according to the first embodiment of the present invention.
4 is a flowchart illustrating an image display method according to a second embodiment of the present invention.
5 is a flowchart illustrating an image display method according to a third embodiment of the present invention.
6 is a flowchart illustrating an image display method according to a fourth embodiment of the present invention.
FIGS. 7 and 8 are views illustrating screens according to an image display method according to an embodiment of the present invention.

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

Video display device

1 and 2, the video display device 100 according to the present embodiment includes a portable terminal 10 and a display device 20 connected to each other via a cable 30 . When the portable terminal 10 and the display device 20 are connected to each other by the TV-out cable 30, the display device 20 displays images received from the portable terminal 10, The control unit 17 displays additional information on an image control window or image for controlling the image displayed on the display device 20. [

The portable terminal 10 is a video display terminal having a TV-out terminal 18 and includes a control unit 11, an input unit 12, a memory unit 13, a broadcast receiving unit 14, a camera unit 15, (16) and a display unit (17).

The portable terminal 10 according to the present embodiment is a video display terminal that reproduces the video file 19 or displays the received broadcast video and may be a mobile phone, a smart phone, a PDA (Personal Digital Assistant), a DMB Multimedia Broadcasting), an MP3 player, and a Portable Multimedia Player (PMP).

The TV-out terminal 18 is a connector to which one end of the TV-out cable 30 is connected. The TV-out terminal 18 connects the display device 20 connected to the other end of the TV-out cable 30 and the control unit 11 of the portable terminal 10.

The control unit 11 is a microprocessor that performs overall control operations of the portable terminal 10. The control unit 11 controls the performance of the TV-out function in accordance with the connection of the TV-out cable 30.

The input unit 12 provides a plurality of keys for operating the portable terminal 10 and generates a selection signal according to a user's selection of keys and transmits the generated selection signal to the control unit 11. A user's command generated through the input unit 11 may be video file playback, broadcast reception, or the like. As the input unit 11, an input device such as a keypad, a pointing device such as a touch pad, or a touch screen may be used.

The memory unit 13 stores a program necessary for controlling the operation of the portable terminal 10 and data generated during the execution of the program, and includes at least one volatile memory element and a nonvolatile memory element. The memory unit 13 stores an execution program for performing the TV-out function. The memory unit 13 stores at least one image file 19.

At this time, the image file 19 includes an internal image file provided by default, a own image file created using the camera unit 15, and an external image file downloaded from an external electronic device or a web server. The image file 19 includes image information, audio information, and additional information. The additional information includes file information and image content information. The file information is also referred to as meta data and includes information on the type, file size, and resolution of the image file 19. The video content information includes the description of the video, the genre, the production year, and the information about the director and the actor.

The broadcast receiver 14 receives the broadcast signal transmitted from the broadcast station through the antenna and transmits the broadcast signal to the controller 11. The control unit 11 processes the received broadcast signal and outputs video information and audio information to the display unit 17 and the audio processing unit 16, respectively.

The camera unit 15 performs a photographing function of a subject and includes a lens and a CCD (Charge Coupled Device) or a CMOS (Complementary Metal Oxide Semiconductor) image sensor. Particularly, the camera section 15 photographs a subject and outputs image information. The control unit 11 stores the image information including the output image information and the meta information in the memory unit 13 in the form of a video file 19 according to the user's selection signal.

The audio processing unit 16 digitizes the audio signal to be micro-input, reproduces the video file 19, or outputs the audio information associated with the video file 19 through the speaker when displaying the received broadcast image.

The display unit 17 displays information stored in the memory unit 13 as well as various function menus executed in the portable terminal 10. [ The display unit 17 may be a liquid crystal display (LCD) or a touch screen. The touch screen serves both as a display device and as an input device.

The display unit 17 displays an image display window for displaying an image upon reproduction of the image file 19 and an image control window for controlling the image to be reproduced. The image control window displays the control menu, image information window, progress bar, and so on. The user selects the image file 19 to be reproduced through the image control window and controls the reproduction of the selected image file 19. [ When the TV-out function is executed, the display unit 17 does not display an image to be reproduced in the image display window, displays additional information, and displays the image control window as it is.

The display unit 17 displays the received broadcast image and, when the TV-out function is executed, displays additional information of the broadcast image instead of the broadcast image. The additional information of the broadcast image includes channel information and video content information.

The display device 20 includes a TV-input terminal 27 to which the other end of the TV-out cable 30 is connected. The TV-input terminal 27 connects the display unit 20 to the control unit 11 of the portable terminal 10 connected to one end of the TV-out cable 30. At this time, a CRT (Cathode Ray Tube), an LCD, a PDP (plasma display panel), or the like may be used as the display device 20. Further, when the display device 20 is provided with a voice processing unit, it is possible to process the voice information received via the TV-out cable 30.

The control unit 11 of the portable terminal 10 is connected to the display device 20 via the cable 30 and transmits the video information reproduced or received by the portable terminal 10 to the TV- 30 to the display device 20. In addition, the control unit 11 blocks the display of the reproduced or received video information through the display unit 17. The control unit 11 displays the image control window on the display unit 17 as it is, or displays additional information of the reproduced or received image information.

The TV-out function of the portable terminal 10 according to the present embodiment will be described in detail as follows. At this time, the TV-out function can be used to view a video reproduced through the portable terminal 10 or a received broadcast image through the display device 20.

For example, when the video file playback program is executed through the portable terminal 10, the control unit 11 displays the video display window and the video control window on the display unit 17. [ When the specific image file 19 is selected and reproduced through the selection of the control menu of the image control window, the control unit 11 displays the reproduced image on the image display window and displays the reproduction information of the reproduced image file on the image control window . The playback information includes a title, a playback time, a progress time, and the like. The title is displayed in the video information window, and the playback time and progress time can be displayed on the progress bar.

When the portable terminal 10 and the display device 20 are connected to each other via the TV-out cable 30, the control unit 11 transmits the reproduced video information to the display device 20 ). Then, the control unit 11 interrupts the display of the image to be reproduced in the image display window, but maintains the display of the image control window. Of course, the display device 10 processes the received image information and displays it on the screen.

On the other hand, the control unit 11 can display the additional information of the image file reproduced in the image display window.

Next, the portable terminal 10 displays the received broadcast image on the display unit 17. And receives video information, audio information, and additional information at the time of receiving a broadcast signal. When the portable terminal 10 and the display device 20 are connected to each other via the TV-out cable 30, the control unit 11 transmits the received broadcast image information to the display device 20 ). The control unit 11 blocks the display through the display unit 17 of the broadcast image. The control unit 11 can display the additional information of the broadcast received on the display unit 17. [ Of course, the display device 20 processes the received broadcast image information and displays it on the screen.

Therefore, when the TV-out function is used, the image transmitted from the portable terminal 10 is displayed on the display unit 20 and the image control window and the additional information are displayed on the display unit 17 of the portable terminal 10, 20 can be utilized as much as possible for display of images, and the screen of the portable terminal 10 can be utilized as a space for providing image control and additional information.

Video display method

Next, an image display method according to the present embodiment will be described with reference to FIGS. 1 to 8. FIG. The following description of the video display method will further clarify the configuration of the video display device 100 described above.

First, an image display method at the time of reproducing a video file will be described with reference to FIG. 1 to FIG. 4 as follows. FIG. 3 shows a case where the TV-out cable 30 is connected after the video file is reproduced. FIG. 4 shows a case where the TV-out cable 30 is connected before the video file is reproduced.

First, an image display method will be described with reference to FIGS. 1 to 3. FIG.

When the user executes the video file playback program through the portable terminal 10 (S31), the control unit 11 displays the video display window and the video control window on the display unit 17 (S32).

Next, when the user selects the image file 19 through the image control window and requests reproduction (S33), the control unit 11 displays the image of the selected image file 19 on the image display window (S34). The control unit 11 displays the reproduction information of the image file 19 to be reproduced in the image control window. If the selected image file 19 contains audio information, the control unit 11 outputs the audio information through the audio processing unit 16.

Next, when the portable terminal 10 and the display device 20 are connected to each other by the TV-out cable 30 (S35), the control unit 11 transmits the video information of the video file 19 being reproduced to the display device 20 (S36). Then, the control unit 11 interrupts the video display on the video display window but retains the display of the video control window (S37). That is, the control unit 11 maintains the display of the reproduction information through the image control window.

Then, the display device 20 processes the received image information and displays the image on the screen (S38).

However, the present invention is not limited to the example in which only the image information is transmitted to the display device 20 in step S36. In step S36, the control unit 11 may transmit the video information and the audio information to the display device 20 together. When the display apparatus 20 has a voice processing section, the voice processing section processes the received voice information and outputs it to the outside.

The control unit 11 can display the additional information of the image file 19 reproduced in the image display window, although the example in which nothing is displayed in the image display window in the step S37 is described in this embodiment.

Although not described in the present embodiment, the display unit 17 of the portable terminal 10 may be continuously turned on after step S35, or may be turned off after a predetermined time has elapsed. In the latter case, if an arbitrary key of the input unit 12 is pressed after the display unit 17 is turned off, the control unit 11 returns to the screen state of step S37.

In this embodiment, the portable terminal 10 has performed the step S37 after the step S36. However, the step S36 may be performed after the step S37.

The image display method will be described with reference to FIGS. 1, 2, and 4. FIG.

First, when the portable terminal 10 and the display device 20 are connected to each other via the TV-out cable 30 (S41), the image displayed on the display unit 17 is displayed on the display device 20 as it is.

Next, when the user executes the video file playback program through the portable terminal 10 (S42), the control unit 11 displays the video display window and the video control window on the display unit 17 capable of playing the video file (S43) . At this time, the display device 20 displays only the image display window among the image display window and the image control window displayed on the display unit 17. [

The control unit 11 transmits the image information of the selected image file 19 to the display device 20 in step S45 if the user selects the image file 19 through the image control window in step S44. The controller 11 blocks the video display on the video display window, but maintains the display of the playback information on the video control window.

Then, the display device 11 processes the received image information and displays the image on the screen (S47). In other words, an image display window is displayed on the display unit and the display device 20, but an image to be reproduced only on the image display window of the display device 20 is not displayed on the image display window of the display unit 17.

In the present exemplary embodiment, only the image information is transmitted to the display device 20 in step S45, but the present invention is not limited thereto. In step S45, the control unit 11 may transmit the video information and the audio information to the display device 20 together. When the display apparatus 20 has a voice processing section, the voice processing section processes the received voice information and outputs it to the outside.

The control unit 11 displays the additional information of the video file 19 reproduced in the video display window of the display unit 17 while the video display window of the display unit 17 displays nothing in the step S46 .

Although not described in this embodiment, the display unit 17 may be continuously turned on after step S46, or may be turned off after a predetermined time has elapsed. In the latter case, if an arbitrary key of the input unit 12 is pressed after the display unit 17 is turned off, the control unit 11 returns to the screen state of step S46.

In this embodiment, the portable terminal 10 has performed the step S46 after step S45. However, the step S45 may be performed after the step S46.

Next, a video display method at the time of broadcast reception will be described with reference to FIGS. 1, 2, 5, and 6. FIG. FIG. 5 shows a case where the TV-out cable 30 is connected after receiving the video broadcasting. FIG. 6 shows a case where the TV-out cable 30 is connected before the broadcasting reception.

The image display method will be described with reference to FIGS. 1, 2 and 5.

When the broadcast information of a specific channel is received in the broadcast receiving unit 14 in accordance with the user's selection signal through the input unit 12 in step S51, the control unit 11 displays the broadcast image of the corresponding channel on the display unit 17 ). At this time, the received broadcast information includes video information, audio information, and additional information. The additional information includes channel information and video content information.

Next, when the portable terminal 10 and the display device 20 are connected by the TV-out cable 30 (S53), the control unit 11 transmits the received broadcast image information to the display device 20 (S54) . The control unit 11 interrupts the display of the broadcast video through the display unit 17 and displays the additional information of the broadcast (S55). At this time, the control unit 11 may display a control window for controlling the broadcast reception and broadcast image display on the display unit 17 together with the additional information.

The display device 20 processes the received broadcast image information to display the broadcast image on the screen (S56).

In this embodiment, only the broadcast image information is transmitted to the display device 20 in step S54, but the present invention is not limited thereto. In step S54, the control unit 11 may transmit the broadcast image information and the broadcast audio information to the display device 20 together. When the display apparatus 20 has the audio processing section, the audio processing section processes the received broadcast audio information and outputs it to the outside.

Although not described in the present embodiment, the display unit 17 of the portable terminal 10 may be continuously turned on after S55, or may be turned off after a predetermined time elapses. In the latter case, if an arbitrary key of the input unit 12 is pressed after the display unit 17 is turned off, the control unit 11 returns to the screen state of step S55.

In this embodiment, the portable terminal 10 has performed the step S55 after the step S54, but may perform the step S54 after the step S55.

The image display method will be described with reference to FIGS. 1, 2, and 6. FIG.

When the portable terminal 10 and the display device 20 are connected by the TV-out cable 30 (S61), the image displayed on the display unit 17 is displayed on the display device 20 as it is.

Next, when broadcast information of a specific channel is received in the broadcast receiver 14 according to a user's selection signal through the input unit 12 (S62), the controller 11 transmits the received broadcast image information to the display device 20 (S63). The control unit 11 interrupts the display of the broadcast image through the display unit 17 and displays the additional information of the broadcast on the display unit 17 (S65). At this time, the control unit 11 may display a control window for controlling the display of broadcast reception and broadcast images, together with additional information.

Then, the display device 20 processes the received broadcast image information and displays the broadcast image on the screen (S66).

Meanwhile, in the present embodiment, only the broadcast image information is transmitted to the display device 20 in step S63, but the present invention is not limited thereto. In step S63, the controller 11 may transmit the broadcast image information and the broadcast audio information to the display device 20 together. When the display apparatus 20 is provided with a voice processing section, the voice processing section processes the received broadcast voice information and outputs it to the outside.

Although not shown in this embodiment, the display unit 17 of the portable terminal 10 may be continuously turned on after step S65, or may be turned off after a predetermined time has elapsed. In the latter case, if an arbitrary key of the input unit 12 is pressed after the display unit 17 is turned off, the control unit 11 returns to the screen state of step S65.

In this embodiment, the portable terminal 10 has performed the step S64 after the step S63. However, the step S63 may be performed after the step S64.

More specifically, the video display method according to the present embodiment will be described with reference to exemplary screens of FIGS. 7 and 8. FIG. Figs. 7 and 8 show examples of reproducing the image file 19 stored in the memory unit 13. Fig.

7, when an image file is reproduced in a state where the portable terminal 10 is not connected to the display device 20 by the TV-out cable 30, the image display window 51 and the image control window 53 are displayed on the display unit 17. The image 19a of the selected image file is displayed in the image display window 51 and the reproduction information of the image file to be reproduced is displayed in the image control window 53. [

8, when the portable terminal 10 and the display device 20 are connected by the TV-out cable 30, the image display window 51 of the portable terminal 10 displays a video The additional information 19b is displayed. Then, the display device 20 displays the image 19a of the image file received from the portable terminal 10. At this time, the display state of the image control window 53 is maintained so that the user can control the image file through the portable terminal 10.

It should be noted that the embodiments of the present invention disclosed in the present specification and drawings are only illustrative of specific examples for the purpose of understanding and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

Claims (16)

A video output method of a portable terminal,
Transmitting information displayed on the touch screen of the portable terminal to the display unit when the portable terminal is connected to the display unit and displaying the same information on the touch screen of the portable terminal and the display unit of the display unit;
Receiving a playback request for an arbitrary image; And
Transmitting the image information and the audio information of the reproduction requested image to the display device, and the portable terminal displaying the information related to the reproduction,
The portable terminal does not display the image information on the touch screen of the portable terminal while the display device displays the transmitted image information on the display unit of the display device,
Wherein the information related to the reproduction includes at least a progress bar displayed by reflecting the reproduction time of the image currently being reproduced or information for controlling reproduction of the image information.
The method according to claim 1,
The information associated with the playback may include,
A control menu, a title, a reproduction time, and a progress time.
The method according to claim 1,
And displaying additional information related to the image information on a touch screen of a portable terminal that does not display the image information while displaying the image information on the display device.
The method of claim 3,
The additional information,
Wherein the information includes at least one of type, size, resolution, description, genre, year of production, image supervision, and actor information.
5. The method of claim 4,
And displaying the additional information together with information related to the playback on the touch screen of the portable terminal.
The method according to claim 1,
The image
A video, and a video.
The method according to claim 1,
An input in an area where information related to the reproduction is displayed,
A touch screen, and / or a touch pad.
2. The method according to claim 1,
And pausing and resuming the reproduction of the video information.
In a portable terminal,
A touch screen for receiving user input and displaying information related to playback; And
When the portable terminal is connected to the display device, information displayed on the touch screen of the portable terminal is transmitted to the display device so that the touch screen of the portable terminal and the display portion of the display device display the same information, And a control unit for transmitting the video information and the audio information of the playback requested video to the display unit and controlling the display unit to display information related to the playback,
The touch screen does not display the image information on the touch screen while the display device displays the transmitted image information on the display unit of the display device,
Wherein the information related to the playback includes at least a progress bar displayed by reflecting the playback time of the currently playing image or information for controlling playback of the video information.
10. The method of claim 9,
The information associated with the playback may include,
A control menu, a title, a playback time, and a playback time.
10. The method of claim 9,
Wherein the touch screen of the portable terminal, which does not display the image while displaying the received image on the display device, displays image related additional information.
The information processing apparatus according to claim 11,
Wherein the information includes at least one of type, size, resolution, description, genre, production year, image supervision, and actor information.
The touch screen of claim 11,
And displays the additional information together with the information related to the playback.
10. The method of claim 9,
The image
And a video and a video.
10. The method of claim 9,
An input in an area where information related to the reproduction is displayed,
A key, a touch screen, and a touch pad.
10. The method of claim 9,
Wherein the control of the reproduction includes:
And temporarily stopping and restarting the reproduction of the video information.

Images