JP2007286449A - Video display device, video display method, and video display program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solvent the problems that the luminance is too high if a web browser is displayed at a luminance level suitable for video display by television broadcasting, and the luminance is too low if the video by the television broadcasting is displayed at the luminance level suitable for the display of the web browser, in a television receiver and a personal computer or the like capable of displaying the video by the television broadcasting and the web browser of the Internet. <P>SOLUTION: The video display device adapted to respectively store the luminance level for displaying a broadcasting program and a luminance level for displaying the web browser, respectively, and to perform display at the respective luminance levels according to the display form of the screen. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a video display device, a video display method, and a video display program, and can be suitably applied particularly to a video display device having a function of displaying a video by television broadcasting and a video by the Internet. is there.

  2. Description of the Related Art In recent years, television receivers, personal computers, and the like that have a television broadcast receiving function and an Internet connection function and can display images from television broadcasts and Internet web browsers have become widespread.

  In such a television receiver or personal computer, if the web browser is displayed at a luminance level suitable for video display by television broadcasting, the luminance is too high and the burden on the eyes is heavy. On the other hand, it is suitable for the display of the web browser. There is a problem in that when a video by television broadcasting is displayed at a luminance level, a vivid image with a low luminance level cannot be seen.

Conventionally, a technique for automatically adjusting a luminance level suitable for each signal in a display device to which a TV video and a computer video are input is disclosed in Patent Document 1 and the like.
Japanese Utility Model Publication No. 06-015095

  The above-mentioned Patent Document 1 discloses only a case where a TV image and a computer image are switched and displayed. However, television receivers and personal computers that can display television broadcast images and Internet web browsers have a mode of use in which television broadcast images and web browsers are simultaneously displayed. The technology has a problem that it cannot cope with such a usage mode.

  In recent years, services such as video distribution on the Internet have begun to spread, and there is a problem that it is no longer appropriate to distinguish between TV images or computer images as in Patent Document 1 described above.

  In order to solve the above problems, the present invention takes the following measures.

  That is, the video display device according to the present invention is a video display device having a broadcast receiving means and a communication means, the luminance level for displaying a signal received by the broadcast receiving means, and acquired by the communication means. Storage means for storing the brightness level for displaying the received information, and display control means for controlling in what manner the signal received by the broadcast receiving means and the information acquired by the communication means are displayed And a display means controlled by the read brightness level and reading out the brightness level stored in the storage means in accordance with the display mode controlled by the display control means. is there.

  Here, in the display control means, the signal received by the broadcast receiving means and the information acquired by the communication means in parallel, and the signal received by the broadcast receiving means and the information acquired by the communication means When the display area is controlled so as to be different, it is preferable to read out the luminance level for displaying the signal / information of the larger display area from the storage means.

  Further, in the display control means, the signal received by the broadcast receiving means and the information acquired by the communication means in parallel, and the signal received by the broadcast receiving means and the information acquired by the communication means When the display area is controlled so as to be substantially the same, it is preferable that the luminance level for displaying the information acquired by the communication means is read from the storage means.

  In addition, when the display control unit controls the display so that the display area of the signal received by the broadcast receiving unit is less than about 50% of the entire screen, the information acquired by the communication unit is displayed. It is preferable to read out the luminance level for the purpose from the storage means.

  Further, when the display control means controls the display so that the display area of the signal received by the broadcast receiving means and the information acquired by the communication means is overlapped, the signal displayed on the front is displayed. / It is preferable to read out the luminance level for displaying information from the storage means.

  Furthermore, the video display apparatus according to the present invention is a video display apparatus having a broadcast receiving means and a communication means, wherein the brightness level for displaying the signal received by the broadcast receiving means and the communication means are acquired. First storage means for storing brightness levels for displaying the information, and second storage means for storing information for specifying the location of the predetermined information among the information acquired by the communication means Display control means for controlling in what manner the signal received by the broadcast receiving means and the information acquired by the communication means are displayed, and depending on the display mode controlled by the display control means, And a display means controlled by the read brightness level, and the information acquired by the communication means is stored in the second storage means. Where it was done If it is obtained from the location, the luminance level for displaying the signal received by the broadcast receiving means is read from the first storage means regardless of the display mode of the display control means. It is a thing.

  In addition, the video display method according to the present invention has a broadcast program display function and a web browser display function, and sets a broadcast program display brightness level and a web browser display brightness level in advance. And the web browser are displayed simultaneously, the video is displayed at the display luminance level of the larger display area.

  Here, when displaying a broadcast program and a web browser at the same time and with the display areas being substantially the same, it is preferable to display an image at a luminance level for displaying the web browser.

  Further, when displaying so that the display area of the broadcast program is less than about 50% of the entire screen, it is preferable to display the video at the luminance level for displaying the web browser.

  Further, when displaying the broadcast program display area and the web browser so as to overlap each other, it is preferable to display the video at the display luminance level displayed on the front.

  Furthermore, the video display method according to the present invention has a broadcast program display function and a web browser display function. The brightness level for broadcast program display, the brightness level for web browser display, and the URL of a predetermined web browser are stored in advance. When setting and displaying the web browser of the set URL, an image may be displayed at a brightness level for broadcast program display.

  In addition, the video display program according to the present invention causes the computer to control the broadcast receiving means and the Internet connection means, and stores the brightness level for displaying the broadcast program and the brightness level for displaying the web browser in the memory, and the display means. The broadcast program and the web browser are displayed, and the brightness level in the display means is controlled so as to be the brightness level for display, whichever is larger of the display area of the broadcast program and the display area of the web browser.

  Here, the broadcast program and the web browser may be displayed in an area of substantially the same size on the display means, and the brightness level in the display means may be controlled to be the brightness level for displaying the web browser.

  Further, at least the broadcast program may be displayed on the display means in an area less than about 50% of the entire screen, and the brightness level in the display means may be controlled to be the brightness level for displaying the web browser.

  Also, the display means displays the broadcast program and the web browser so that the areas overlap, and the brightness level in the display means is displayed for the one displayed in front of either the broadcast program display area or the web browser display area. The brightness level may be controlled.

  Furthermore, the video display program according to the present invention causes the computer to control the broadcast receiving means and the Internet connection means, and displays the brightness level for displaying the broadcast program, the brightness level for displaying the web browser, and the URL of the predetermined web browser. You may make it memorize | store in memory and display the web browser of the said predetermined URL on a display means, and you may make it control so that the luminance level in a display means becomes a luminance level for broadcast program display.

  According to the present invention, when a plurality of signals are input to the video display device, the luminance level of the video display device can be automatically adjusted to a luminance level suitable for the display mode of the input signal.

  FIG. 1 and FIG. 2 are diagrams showing a state of screen display in the video display device according to the present invention.

  In FIGS. 1 and 2, 101 is a display screen, 102 is a TV broadcast video, and 103 is a web browser.

  FIG. 1A shows a case where a video image 102 of a television broadcast is displayed smaller than the web browser 103, and FIG. 1B shows a case where the display state is reversed.

  FIG. 2 shows a case where the television broadcast video 102 and the web browser 103 are displayed so as to overlap each other. FIG. 2A shows the television broadcast video 102 displayed on the front of the web browser 103. FIG. 5B shows the display state opposite to the above.

  FIG. 3 is a block diagram of a video display apparatus according to the present invention.

  In the figure, 301 is a TV signal processing unit that processes a received television broadcast signal, 302 is a web browser processing unit that displays information acquired from the Internet, and 303 is a user operation input unit that inputs user operations. 304 is a display control unit that controls to switch between TV signals and web browsers, or to display them simultaneously or in superposition, 305 is a liquid crystal display unit, and 306 is a luminance level of the liquid crystal display unit 305. A backlight to be adjusted, and a system control unit 307 controls the entire apparatus.

  In the present invention, first, the luminance level for the television broadcast video 102 and the luminance level for the web browser 103 are stored in the memory in the system control unit 307 by the operation of the user operation input unit 303.

  Next, how the television broadcast video 102 output from the TV signal processing unit 301 and the web browser 103 output from the web browser processing unit 302 are displayed by the operation of the user operation input unit 303 are displayed. It is controlled by the display control unit 304 and output to the liquid crystal display unit 305. At the same time, the luminance level is read from the memory in accordance with the display mode, and the luminance of the backlight 306 is controlled.

  Here, as shown in FIG. 1, when the television broadcast video 102 and the web browser 103 are displayed in a large and small relationship in parallel without overlapping, the luminance level of the larger display area is read from the memory, The backlight 306 is controlled. That is, in the case of FIG. 9A, the luminance level is for the web browser 103, and in the case of FIG. 5B, the luminance level is for the video image 102 of the television broadcast.

  Further, as shown in FIG. 2, when the TV broadcast video 102 and the web browser 103 are displayed so as to overlap each other, the luminance level displayed on the front is read from the memory and the backlight 306 is controlled. To do. That is, in the case of (a) in the figure, the luminance level is for the video 102 of the television broadcast, and in the case of (b), the luminance level is for the web browser 103.

  Further, although not shown in the drawing, when the television broadcast video 102 and the web browser 103 are displayed in substantially the same size in parallel without overlapping, or the display area of the television broadcast video 102 is 50% of the entire screen. If it is less than%, it is considered that there is no intention to actively watch the TV broadcast image 102, and it is preferable to set the luminance level for the web browser 103.

  FIG. 4 is a flowchart showing the above processing.

  In the figure, in step S 401, the luminance level for the video 102 of the television broadcast and the luminance level for the web browser 103 are stored in the memory in the display control unit 304.

  Subsequently, in step S <b> 402, the television broadcast video 102 and the web browser 103 are displayed on the liquid crystal display unit 305 in a display mode based on a user operation.

  Further, in step S403, the luminance level according to the display mode is read from the memory.

  Finally, in step S404, the backlight 306 is controlled at the luminance level.

  By the way, in recent years, the spread of moving image distribution over the Internet has rapidly progressed, and it has become possible to enjoy video content of dramas and movies over the Internet. Such video content is preferably handled in the same manner as the TV broadcast video 102.

  Therefore, a URL for distributing such video content is recorded in advance, and when the recorded URL is accessed, control is performed with a luminance level for the video 102 of the television broadcast.

  A block diagram of an apparatus for performing such processing is shown in FIG. 5, and a flowchart is shown in FIG. The difference between the block diagram of FIG. 5 and the block diagram of FIG. 3 is that a control line for transmitting / receiving URL information between the web browser processing unit 302 and the system control unit 307 is newly provided.

  In FIG. 6, in step S <b> 601, the luminance level for the television broadcast video 102 and the luminance level for the web browser 103 are stored in the memory in the system control unit 307.

  Subsequently, in step S602, the URL for distributing the video content is stored in a memory (this memory may be shared with the memory in which the luminance level is stored, or separately dedicated. May be prepared).

  Subsequently, in step S603, the television broadcast video 102 and the web browser 103 are displayed on the liquid crystal display unit 305 in a display mode based on a user operation.

  In step S604, it is determined whether the displayed URL of the web browser matches the URL stored in the memory.

  If the URLs match as a result of the determination, the brightness level for the video 102 of the television broadcast is read from the memory in step S606 regardless of the display mode. On the other hand, if the URLs do not match, in step S605, the luminance level according to the display mode is read from the memory.

  Finally, in step S607, the backlight 306 is controlled with the brightness level.

  In the above embodiment, a combination of a TV broadcast video and a web browser is described. However, instead of a TV broadcast video, a video input from an external device such as a DVD player or an HDD player is used. But the same is true. The same applies to the case where application software such as word processing software or spreadsheet software is displayed instead of the web browser.

It is the figure which showed the display mode of the screen. It is the figure which showed the display mode of the screen. 1 is a block diagram of a video display device according to the present invention. 3 is an operation flowchart of the video display device according to the present invention. 1 is a block diagram of a video display device according to the present invention. 3 is an operation flowchart of the video display device according to the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 101 Display screen 102 Television broadcast image 103 Web browser 301 TV signal processing unit 302 Web browser processing unit 303 User operation input unit 304 Display control unit 305 Liquid crystal display unit 306 Backlight 307 System control unit

Claims (16)

A video display device having broadcast receiving means and communication means,
Storage means for storing a brightness level for displaying a signal received by the broadcast receiving means and a brightness level for displaying information acquired by the communication means;
Display control means for controlling in what manner the signal received by the broadcast receiving means and the information acquired by the communication means are displayed;
Read the luminance level stored in the storage means according to the display mode controlled by the display control means, and display means controlled at the read luminance level;
An image display device comprising: A video display device having broadcast receiving means and communication means,
Storage means for storing a brightness level for displaying a signal received by the broadcast receiving means and a brightness level for displaying information acquired by the communication means;
Display control means for controlling in what manner the signal received by the broadcast receiving means and the information acquired by the communication means are displayed;
Read the luminance level stored in the storage means according to the display mode controlled by the display control means, and display means controlled at the read luminance level;
And the display control means in parallel with the signal received by the broadcast receiving means and the information acquired by the communication means, and the signal received by the broadcast receiving means and the information acquired by the communication means. When the display area is controlled so that the display areas are different from each other, the luminance level for displaying the signal / information of the larger display area is read from the storage means. A video display device having broadcast receiving means and communication means,
Storage means for storing a luminance level for displaying a signal received by the broadcast receiving means and a luminance level for displaying information acquired by the communication means;
Display control means for controlling in what manner the signal received by the broadcast receiving means and the information acquired by the communication means are displayed;
Read the luminance level stored in the storage means according to the display mode controlled by the display control means, and display means controlled by the read luminance level;
The signal received by the broadcast receiving means and the information acquired by the communication means in parallel, and the signal received by the broadcast receiving means and the information acquired by the communication means. When the display area is controlled so that the display areas are substantially the same, a luminance level for displaying information acquired by the communication unit is read from the storage unit. A video display device having broadcast receiving means and communication means,
Storage means for storing a brightness level for displaying a signal received by the broadcast receiving means and a brightness level for displaying information acquired by the communication means;
Display control means for controlling in what manner the signal received by the broadcast receiving means and the information acquired by the communication means are displayed;
Read the luminance level stored in the storage means according to the display mode controlled by the display control means, and display means controlled at the read luminance level;
If the display control means controls the display so that the display area of the signal received by the broadcast receiving means is less than about 50% of the entire screen, the information acquired by the communication means A video display device which reads out a luminance level for displaying the image from the storage means. A video display device having broadcast receiving means and communication means,
Storage means for storing a brightness level for displaying a signal received by the broadcast receiving means and a brightness level for displaying information acquired by the communication means;
Display control means for controlling in what manner the signal received by the broadcast receiving means and the information acquired by the communication means are displayed;
Read the luminance level stored in the storage means according to the display mode controlled by the display control means, and display means controlled at the read luminance level;
And the display control means controls the display so that the display area of the signal received by the broadcast receiving means and the information acquired by the communication means overlaps, the one displayed on the front A video display device, wherein a luminance level for displaying the signal / information is read from the storage means. A video display device having broadcast receiving means and communication means,
First storage means for storing a brightness level for displaying a signal received by the broadcast receiving means and a brightness level for displaying information acquired by the communication means;
Of the information acquired by the communication means, a second storage means for storing information for specifying the location of predetermined information;
Display control means for controlling in what manner the signal received by the broadcast receiving means and the information acquired by the communication means are displayed;
Read the brightness level stored in the first storage means according to the display mode controlled by the display control means, and the display means controlled by the read brightness level;
And the information acquired by the communication means is acquired from a predetermined location stored in the second storage means, regardless of the display mode of the display control means, the first A video display device that reads a luminance level for displaying a signal received by the broadcast receiving means from the storage means. It has a broadcast program display function and a web browser display function.
Preset brightness level for broadcast program display and brightness level for web browser display,
An image display method characterized by displaying an image at a display luminance level having a larger display area when simultaneously displaying a broadcast program and a web browser. It has a broadcast program display function and a web browser display function.
Preset brightness level for broadcast program display and brightness level for web browser display,
What is claimed is: 1. A video display method, comprising: displaying a broadcast program and a web browser at the same time and displaying the video at a brightness level for displaying the web browser when the display areas are substantially the same. It has a broadcast program display function and a web browser display function.
Preset brightness level for broadcast program display and brightness level for web browser display,
A video display method, characterized in that when a broadcast program display area is displayed so as to be less than about 50% of the entire screen, the video is displayed at a luminance level for web browser display. It has a broadcast program display function and a web browser display function.
Preset brightness level for broadcast program display and brightness level for web browser display,
A video display method characterized in that when displaying a broadcast program display area and a web browser so as to overlap each other, the video is displayed at the display luminance level displayed on the front. It has a broadcast program display function and a web browser display function.
The brightness level for broadcasting program display, the brightness level for web browser display, and the URL of a predetermined web browser are preset,
A video display method, wherein when displaying the web browser of the set URL, video is displayed at a brightness level for broadcasting program display. On the computer,
Control broadcast receiving means and Internet connection means,
The brightness level for broadcast program display and the brightness level for web browser display are stored in the memory,
Display the broadcast program and web browser on the display means,
A video display program for controlling a luminance level in a display means so as to be a luminance level for display which is larger of a broadcast program display area and a web browser display area. On the computer,
Control broadcast receiving means and Internet connection means,
The brightness level for broadcast program display and the brightness level for web browser display are stored in the memory,
Display the broadcast program and the web browser on the display means in an area of approximately the same size,
A video display program for controlling a luminance level in a display means to be a luminance level for displaying a web browser. On the computer,
Control broadcast receiving means and Internet connection means,
The brightness level for broadcast program display and the brightness level for web browser display are stored in the memory,
The display means displays at least the broadcast program in an area less than about 50% of the entire screen,
A video display program for controlling a luminance level in a display means to be a luminance level for displaying a web browser. On the computer,
Control broadcast receiving means and Internet connection means,
The brightness level for broadcast program display and the brightness level for web browser display are stored in the memory,
Display the broadcast program and web browser on the display means so that the areas overlap,
A video display program for controlling a luminance level in a display means to be a luminance level for display which is displayed in front of either a broadcast program display area or a web browser display area. On the computer,
Control broadcast receiving means and Internet connection means,
A brightness level for displaying a broadcast program, a brightness level for displaying a web browser, and a URL of a predetermined web browser are stored in a memory;
Display a web browser of the predetermined URL on the display means;
A video display program for controlling a luminance level in a display means to be a luminance level for broadcasting program display.

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