JP2011096084A - Display apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display apparatus capable of automatically changing display of a slave screen without requiring user's active operation. <P>SOLUTION: The display apparatus includes: a slave screen processing means for forming a video signal for displaying an image in the slave screen; a synthesis means for synthesizing a video signal input from a master screen processing means with a video signal input from the slave screen processing means to display an image of a screen composed of the master screen and the slave screen; a cursor concerned with the master screen and allowed to be operated from the external; a coordinate detection means for detecting a position of the cursor on the display screen of a display unit; and a display change means which when a portion to be operated exists on the display screen of the master screen of the display unit and the existence of the portion on the display position of the slave screen is detected by the coordinate detection means, changes a display method of the slave screen. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a display device capable of switching a small-screen display by cursor detection.

  A display device including a parent screen and a child screen has been used. In this case, there are cases where restrictions are imposed due to the child screen display when an operation related to the parent screen is performed. Relatedly, Patent Document 1 discloses a display device and a display that can be used by displaying an image on a child screen without disabling information displayed on the parent screen and input fields provided on the parent screen. A method is described.

  However, in this prior art, a touch panel is incorporated in the display device. This touch panel is for changing the display method of the child screen, and the position of the child screen is changed by operating the touch panel. That is, there is no disclosure of a technology that enables operations related to the parent screen without requiring a special interface.

JP 2005-260289 A

  SUMMARY OF THE INVENTION An object of the present invention is to provide a display device that can automatically change the display of a small screen without a user's active operation.

  In order to solve the above-described problems, a display device of the present invention includes a display unit that displays an image, a partial area of the display screen of the display unit is a sub-screen, and the sub-screen and other than the sub-screen A display device capable of independently displaying an image on a main screen of a region, wherein a plurality of input paths for image information forming an image that can be displayed on the display unit, and one of the plurality of input paths A main screen processing means for forming a video signal for displaying an image on the entire surface of the display screen of the display unit based on image information supplied through the image, and an image supplied through one of the plurality of input paths Based on the information, the sub screen processing means for forming a video signal for displaying an image on the sub screen, and the video signal from the main screen processing means and the video signal from the sub screen processing means are synthesized. And the parent screen and the Combining means for displaying an image of a screen composed of a screen, a cursor operated from the outside with respect to the parent screen, and a coordinate detecting means for detecting the position of the cursor on the display screen of the display unit, When there is a part to be operated on the display screen of the main screen of the display unit, and the coordinate detection unit detects that the part exists on the display position of the sub-screen And display changing means for changing the display method of the sub-screen.

  ADVANTAGE OF THE INVENTION According to this invention, the display apparatus which can change the display of a small screen automatically, without a user operating actively is obtained.

1 is a schematic diagram showing a display device system according to an embodiment of the present invention. FIG. 2 is an exemplary block diagram showing a system configuration example of the display apparatus according to the embodiment. The figure shown in order to demonstrate the aspect of the subscreen display of the embodiment. The flowchart which shows the process of the embodiment. The figure which shows the example of an overlay display used for the embodiment. The figure which shows a mode that a subscreen is erase | eliminated temporarily when a cursor comes to the position of the subscreen of the embodiment. The figure which shows a mode that the display position of a subscreen will be changed to (temporary), if a cursor comes to the position of the subscreen of the embodiment. The figure which shows a mode that a subscreen is transparently displayed when a cursor comes to the position of the subscreen of the embodiment. The figure which shows a mode that a main screen is displayed only around the cursor, when a cursor comes to the position of the subscreen of the embodiment.

Embodiments according to the present invention will be described below with reference to FIGS.
First, with reference to FIG. 1 and FIG. 2, the structure of the display apparatus which concerns on one Embodiment of this invention is demonstrated. The display device of the present embodiment is realized as a display device 1 connected to a desktop type personal computer main body 3 with a cable 61 as shown in FIG.

  The system of FIG. 1 reproduces media such as a display device 1 that is an electronic device that receives and displays a digital terrestrial broadcast wave from an antenna and demodulates and displays it, or receives and displays a video signal from an external input, for example. A personal computer main body 3 having a DVD player, a set top box 4 as a tuner for receiving and demodulating satellite broadcasts such as BS (Broadcast Satellite) and CS (Communication Satellite), and video signals from the broadcast and external inputs. It has an HDD (Hard Disc Drive) recorder 5 that can record and output the recorded content to the outside, and each is connected by cables 61, 62, and 63 as shown in the figure. The remote controller 1B is a dedicated remote controller for operating the display device 1.

Next, a system configuration example of the display device 1 will be described with reference to FIG.
As shown in FIG. 2, the display device 1 includes a TMDS receiver 20 that receives a DVI signal, a TMDS receiver 21 that receives an HDMI signal, an A / D converter 22 that receives an analog RGB signal, and a video signal. A / D converter 23, TV tuner (A / D converter, decoding circuit, etc.) 24 for receiving RF (TV signal), frame memory 25, memory & control circuit 26, microcomputer 27, operation unit / LED 28, display correction circuit 29, a display unit (liquid crystal panel, etc.) 30 and the like.

Each input signal inputted to the above 20 to 24 is converted (by a TMDS receiver, an A / D converter, etc.) and stored in the memory & control circuit 26.
From the parent screen data stored in the memory & control circuit 26, cursor detection is performed by pattern recognition as will be described later. Further, the memory & control circuit 26 synthesizes the screen to be actually displayed (the parent screen and the child screen) on the frame memory 25.

The child screen is overwritten on the parent screen on the frame memory 25 and is displayed on the display unit 30 through the display correction circuit 29.
(Display device functions)
Now, the display device configured as described above has the following functions.
1. Function that accepts input from multiple video sources This function is general. Examples of video sources include TV input, video input (composite, S terminal), HDMI, DVI, Analog RGB, DisplayPort, etc.

2 Function to display one of multiple video sources in full screen and the other to overlay on a part of the main screen This function is generally called PinP (Picture in Picture). A parent screen and a portion of the parent screen displayed as an overlay are called child screens.

3 Function for detecting an operation cursor in the parent screen by pattern recognition This function is a function for the present invention. The display device generally has a memory therein and holds a screen to be displayed therein. The original display contents are retained even when the overlay is displayed on the display. Since pattern recognition is performed on the display contents in the memory, it is not affected by the overlay display.

Pattern recognition is registered in advance by the following registration program.
(1) An area slightly larger than the operation cursor (possibly part of the parent screen) is filled with a single color and prepared as a registration area.
(2) Bring the operation cursor to the area and perform the registration operation. The registration operation itself may be a button operation on the display device or an operation from a connected PC.

 (3) When the registration operation is performed, the display device checks the registration area. The surrounding single color area is set as the background color, and the other part is registered as the cursor shape. Since the shape of the cursor may be changed by a user operation, a plurality of cursors can be registered.

 (4) After registration is completed, the cursor position is detected by pattern recognition from the memory where the display content of the main screen is stored. This detection may be performed within the display area of the parent screen that overlaps the display position of the child screen.

4. Function to change the display method of the child screen when the position of the operation cursor overlaps the position of the child screen The function 3 detects the operation cursor in the display area overlapping the child screen display position of the parent screen. Change the display method of the sub-screen. There are several changing methods, which can be set in advance by the user.

(1) Temporarily turn off the display of the sub screen While the operation cursor is at the display position of the sub screen, the sub screen is turned off.
(2) Change the display position of the sub-screen While the operation cursor is at the display position of the sub-screen, change the display position of the sub-screen to another location.
When the operation cursor moves outside the display position of the original sub-screen, the display position of the sub-screen may be returned to the original location or may remain at the new position. This can also be specified by the user.

  When the user presses the end button at the upper right of the window displayed on the parent screen, it is not always necessary to display all the display contents of the parent screen within the display position of the child screen. It is also convenient for the user to display only a part of the display content of the parent screen by the following method.

(3) Make the display of the sub-screen transparent. When the cursor is detected from the display contents of the main screen within the display position of the sub-screen, the user can display the sub-screen with a transparent display such as displaying every other dot overlay. To know the information of the main screen.

(4) Eliminate the overlay display only around the operation cursor When the cursor is detected from the display contents of the main screen within the sub-screen display position, the main screen is displayed only around the cursor. The other parts are displayed as sub-screens.
A combination of (3) and (4) is also possible.
FIG. 3 is a diagram for explaining a sub-screen display mode of the embodiment.
In the display device 30, in addition to the child screen, the parent screen includes elements such as an operation cursor 31 and a display object (a window such as Windows (R) on the parent screen, a Close button on the upper right) 32.

  Here, by detecting the operation cursor 31 and switching the display of the child screen, processing is performed so that the user can visually recognize the parent screen (upper display object) without performing a special operation.

FIG. 4 is a flowchart showing processing related to the microcomputer 27 and the like of the embodiment.
First, the display device displays a parent screen including a cursor (step S10). It waits for a state to display a sub-screen (step S20). Next, the cursor on the parent screen is detected (step S30). It waits for the cursor position to coincide with the child screen (step S40). The display of the child screen is changed (step S50). It waits for the position of the cursor to move from the child screen (step S60). The display of the child screen is restored (step S70).

FIG. 5 is a diagram illustrating an example of an overlay display used in the embodiment. This is the state of step S40 described above.
FIG. 6 is a diagram illustrating a state in which the child screen is temporarily erased when the cursor comes to the position of the child screen.
FIG. 7 is a diagram illustrating a state in which the display position of the child screen is changed to (temporary) when the cursor is placed on the child screen position according to the embodiment.
FIG. 8 is a diagram illustrating a state where the child screen is transparently displayed when the cursor is positioned at the position of the child screen according to the embodiment.
FIG. 9 is a diagram illustrating a state in which the parent screen is displayed only around the cursor when the cursor is positioned at the position of the child screen according to the embodiment.
As described above, in the display device capable of PinP display as the gist of the embodiment, the operation point of the user is determined by detecting the operation cursor on the parent screen. This prevents the user's operation point from being overwritten by the sub-screen.

(Main points)
In a display device that can input multiple lines and can display (PinP) a child screen in the parent screen. The operation cursor in the parent screen is detected by pattern recognition, and when the user point determined in 2.1 overlaps with the child screen, the display position of the child screen is changed. The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention.
Various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the above-described embodiments. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, constituent elements according to different embodiments may be appropriately combined.

  DESCRIPTION OF SYMBOLS 1 ... Display apparatus, 1B ... Remote control, 3 ... Desktop computer main body, 61 ... Cable, 62 ... DVI cable, 63 ... HDMI cable, 20 ... TMDS receiver, 21 ... TMDS receiver, 22 ... A / D converter, 23 ... A / D converter, 24 ... TV tuner, 25 ... frame memory, 26 ... memory & control circuit, 27 ... microcomputer, 28 ... operation unit / LED, 29 ... display correction circuit, 30 ... display unit.

Claims (5)

A display unit for displaying an image is provided, and a partial area of the display screen of the display unit is set as a child screen so that images can be displayed independently on the child screen and a parent screen in a region other than the child screen. A display device for
A plurality of input paths for image information forming an image that can be displayed on the display unit;
A main screen processing means for forming a video signal for displaying an image on the entire surface of the display screen of the display unit, based on image information supplied through one of the plurality of input paths;
A sub-screen processing means for forming a video signal for displaying an image on the sub-screen based on image information supplied through one of the plurality of input paths;
Combining means for combining the video signal from the parent screen processing means and the video signal from the child screen processing means to display an image of the screen composed of the parent screen and the child screen;
A cursor operated externally with respect to the parent screen;
Coordinate detection means for detecting the position of the cursor on the display screen of the display unit;
When there is a part to be operated on the display screen of the parent screen of the display unit, and when the coordinate detection unit detects that the part exists on the display position of the child screen, A display device comprising: a display changing unit that changes a display method of the sub-screen.   The display device according to claim 1, wherein the change of the display method is to temporarily erase the child screen.   The display device according to claim 1, wherein the display method is changed by changing a display position of the sub-screen.   The display device according to claim 1, wherein the display method is changed to transparent display of the child screen.   The display device according to claim 1, wherein the change in the display method is to temporarily erase a portion of the child screen around the cursor.

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