JP3221389B2 - Display device burn-in prevention device and recording medium storing burn-in prevention program - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for automatically darkening the entire screen of a display device or displaying the current display if there is no input from an input device such as a keyboard or a mouse for a certain period of time while a computer device is turned on. A display device burn-in prevention device that continuously changes a picture or the like different from the displayed screen over the entire screen, and a recording medium on which a burn-in prevention program is recorded. It is intended to provide a configuration capable of outputting a window of a program to a display device. In the present invention, the window means a plurality of independent screens displayed on a screen on one display device. You can run different programs in each window.

[0002]

2. Description of the Related Art Conventionally, there is a display device burn-in prevention device having a function of darkening the entire screen of a display device or continuously changing a picture different from the currently displayed screen over the entire screen. . The function of this display device burn-in prevention device automatically works when there is no input from a keyboard or mouse or other input device for a certain period of time while the power of the computer device is turned on. To stop.

[0003]

However, the prior art has the following problems. A first problem is that when the conventional display device burn-in prevention device operates, it becomes impossible to refer to a window of a program that displays information that changes over time. The reason is that the conventional display device burn-in prevention device covers the entire screen of the display device.

[0004] The second problem is that when the conventional display device burn-in prevention device operates, if the user tries to refer to a window of a program that displays information that changes with time, the display device burn-in prevention device will not work. This means that input devices such as a keyboard and a mouse must be operated to stop the device. The reason is the same as the reason for the first problem.

[0005] A third problem is that when a window of a program that displays information that changes with the passage of time is displayed, a screen display burn-in prevention device is not used. That is, burn-in of the display device occurs in a portion other than the window being displayed. The reason is that the use of the conventional display device image sticking prevention device causes the first and second problems.

The present invention provides a display device burn-in prevention device that solves the above problems, and a recording medium that stores a display device burn-in prevention program.

[0007]

According to the present invention, there is provided a display device image sticking prevention apparatus which darkens an entire screen of a display apparatus or continuously changes a picture different from the currently displayed screen over the entire screen. Screen display means for displaying and displaying the image on the display device, and, when an execution instruction is received from the image sticking prevention screen display means, read out the foreground display information from the storage device and read the window foreground display information. Window foremost display means for controlling the display device such that the active window among the plurality of programs registered in the program is located in front of the screen output by the burn-in prevention screen display means.

The window foreground display means moves the window displayed on the foreground in accordance with an instruction from the burn-in prevention screen display means.

The window top display means moves the window displayed on the front when there is no input from the input device for a predetermined time or more.

The display device image sticking prevention device of the present invention further reads out the frontmost display information of the window recorded in the storage device, acquires the window position of the recorded program on the display device, and stores it in the storage device. A window information acquisition unit is provided, and the window top display unit returns the window displayed on the top to the original position according to the instruction of the burn-in prevention screen display unit.

The present invention can be applied to a recording medium on which a program for executing the above means is recorded.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [First Embodiment] The configuration of a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a block diagram showing the configuration of the first embodiment. FIG. 2 is a diagram showing the contents of the window front display information 8 of FIG.

Referring to FIG. 1, an embodiment of the present invention includes an input device 1 such as a keyboard and a mouse, a computer device 2 including an arithmetic unit and a main memory operated by a program control, a CRT display, a liquid crystal display, and the like. , And an external storage device 9 such as a memory or a magnetic disk.

The computer device 2 includes an input control unit 4 for controlling the input device 1 and a display control unit 5 for controlling the display of one or more windows on the screen of the display device 3. The program 6 for performing information processing and the like and the display device burn-in prevention device 7 are included in the computer device 2, and the input control unit 4 and the display control unit 5 can be used.

The program 6 can display the information processing result on the display device 3 using the window.

The display device burn-in prevention device 7 comprises an input device monitoring unit 71, a burn-in prevention control unit 72, a time management unit 73, a burn-in prevention screen display unit 74, and a window foreground display unit 75. The foreground display information 8 stored in the storage device 9 is used.

The input device monitoring unit 71 constantly checks the state of the input device 1 using the input control unit 4 and determines whether or not there is an input.

The burn-in prevention control unit 72 uses the determination result of the input device monitoring unit 71 and, while an input from the input device 1 occurs within a predetermined time, a burn-in prevention screen display unit 74 and a frontmost window. The display unit 75 is not executed.
If there is no input from the input device 1 for a certain period of time, the burn-in prevention screen display unit 74 and the window top display unit 75 are executed until the input from the input device 1 occurs. The burn-in prevention control unit 72 uses the time management unit 73 to determine whether there is no input from the input device 1 for a certain period of time.

The time management unit 73 stores the time elapsed since the last input to the input device 1 (that is, the input device 1).
) Is always measured, and when an input occurs in the input device 1, the elapsed time is returned to zero by the burn-in prevention control unit 72. Burn-in prevention screen display section 74
Is a display control unit 5 that darkens the entire screen of the display device 3.
Or the display controller 5 requests the display controller 5 to continuously change a picture or the like different from the currently displayed screen over the entire screen, thereby preventing the display device 3 from burning.

The window foreground display section 75 reads the window foreground display information 8 recorded in the external storage device 9, and the recorded program window is in front of the screen output by the burn-in prevention screen display section 74. Is requested to the display control unit 5. If the state where there is no input from the input device 1 continues for a long time, the window displayed on the foreground at a certain time interval to prevent the display device 3 from burning by the window displayed on the foreground. Is requested to the display control unit 5 to be moved to another place.

The foreground display information 8 is information of a program to be displayed during execution of the burn-in prevention screen display section 74 and is recorded in the external storage device 9.

Referring to FIG. 2, the window foreground display information 8 stores the name of the window program (window program name) to be displayed during execution of the burn-in prevention screen display section 74, along with the item number.

[Explanation of Operation of First Embodiment] Next, the operation of the first embodiment of the present invention will be described in detail with reference to FIG. 1 and FIGS. FIG. 3 is a flowchart illustrating the operation of the burn-in prevention control unit 72 having the configuration of the first embodiment. FIG. 4 is a flowchart showing the operation of the burn-in prevention display section 74 having the configuration of the first embodiment.
FIG. 5 is a flowchart showing the operation of the window foreground display unit 75 having the configuration of the first embodiment.

When the operator uses the computer device 1, data input occurs from the input device 1. The input device monitoring unit 71 constantly checks the state of the input device 1 using the input control unit 4, and gives the presence or absence of an input to the burn-in prevention control unit 72 (step A2 in FIG. 3).

While the input from the input device 1 is occurring, the burn-in prevention control unit 72 returns the time during which there is no input from the input device 1 measured by the time management unit 73 to zero (FIG. 3). Step A1) and the burn-in prevention display section 74
When the process of (1) is being executed, the process of terminating the burn-in prevention display unit 74 (step A8 in FIG. 3) is repeated.
When the operator is not using the computer device 1,
It is determined whether the time during which there is no input from the input device 1 measured by the time management unit 73 exceeds a predetermined time (steps A2 and A3 in FIG. 3). Here, assuming that the maximum time during which the operator does not use the computer device 1 is set to 5 minutes, if there is no input from the input device 1 for 5 minutes, the elapsed time without input exceeds a certain time. If it is determined (step A3 in FIG. 3) that the processing of the burn-in prevention display unit 74 is not being executed, the burn-in prevention display unit 74 and the window foreground display unit 75 are executed (step A of FIG. 3).
4, A6, A7). If the elapsed time without input exceeds 5 minutes again during execution of the processing of the burn-in prevention display unit 74 (step A3 in FIG. 3), the window displayed on the foreground is moved to another position so as to be moved to another place. Front display 75
(Steps A4 and A5 in FIG. 3).

When the burn-in prevention display unit 74 receives an execution instruction from the burn-in prevention control unit 72, the burn-in prevention screen display unit 74 darkens the entire screen of the display device 3 or displays the currently displayed screen. (Steps B1 and B in FIG. 4), such as continuously changing a picture different from the entire picture on the entire screen.
2). When the burn-in prevention display unit 74 receives the end instruction from the burn-in prevention control unit 72, the burn-in prevention display unit 74 ends the process of preventing the display control unit 5 from performing the burn-in of the display device 3 (step B1, FIG. B3).

When the execution instruction is received from the burn-in prevention control unit 72, the window foreground display unit 75 reads the window foreground display information 8 from the external storage device 9 (steps C1 and C2 in FIG. 5) and records the information. A request is made to the display control unit 5 so that the window of the program being executed is in front of the screen output by the burn-in prevention screen display unit 74 (step C3 in FIG. 5). Window foreground display 75
Requests the display control unit 5 to move the window displayed on the foreground to another location within a range that can be output to the display device 3 when receiving an instruction to move the window from the burn-in prevention control unit 72. (Steps C1 and C4 in FIG. 5).

Next, the operation of the first embodiment of the present invention will be described using a specific example. FIG. 6 is a diagram showing a specific example of the foreground window display information 8 having the configuration of the first embodiment.

When receiving the execution instruction from the burn-in prevention control unit 72, the window foreground display unit 75 in FIG. 1 reads the window foreground display information 8 from the external storage device 9. The window front display information 8 is the window program name shown in FIG. 2. Referring to FIG. 6, P-1 is registered as the window program name in item No. 1, and the window program name is stored in item No. 2. Is registered as P-2. Referring to FIG. 6, Pn is registered as a window program name in item number n, which indicates that a plurality of window program names can be registered.

Next, the operation in the case where the foreground window display section 75 receives an execution instruction from the burn-in prevention control section 72 will be described.

The window foreground display section 75 reads the window foreground display information 8 from the external storage device 9 (step C2 in FIG. 5). As shown in FIG. 6, the information to be read is from the window program name P-1 of item number 1 to the window program name P-n of item number n in order. The window top display unit 75 requests the display control unit 5 that the window with the read window program name is in front of the screen output by the burn-in prevention screen display unit 74 (step C3 in FIG. 5).

The display controller 5 controls the window programs (P-1, P-1) requested by the window foreground display 75.
,... P-n) are operating as the program 6 of the computer device 1, and the program (P-1, P-
, P-n) are output to the foreground of the display device 3, and the window programs (P-1, P-2,.
If n) is not running as the program 6 of the computer device 1, nothing is output to the display device 3.

Next, the operation when the window foreground display unit 75 receives an instruction to move the window from the burn-in prevention control unit 72 will be described.

The foreground display section 75 displays the programs (P-1, P-2,..., P-
The display control unit 5 is requested to move the window n) to another location within a range that can be output to the display device 3 (step C4 in FIG. 5).

[Effects of the First Embodiment] The effects of the first embodiment are as follows. Even if the display device burn-in prevention device operates, a window of a program that displays information that changes with time over time is displayed. It is possible to refer. The reason is that a window of a specific program can be output to the foreground on a screen on which a process for preventing burn-in of the display device such as darkening the entire screen of the display device is performed.

The second effect is that, when the display burn-in prevention device operates in the past, an input device such as a keyboard and a mouse had to be operated to stop the display burn-in prevention device. This makes it possible to refer to a window of a program that displays information that changes over time without performing any operation. The reason is the same as the reason for the first effect.

Second Embodiment Next, the configuration of a second embodiment of the present invention will be described in detail with reference to FIG. FIG. 7 is a block diagram showing the configuration of the second embodiment.

Referring to FIG. 7, in the second embodiment, the display device burn-in prevention device 10 is different from the display device burn-in prevention device 7 in the first embodiment shown in FIG. It differs in having a portion 76. The difference is that the foreground display unit 75 acquires the foreground display information 8 from the window information acquisition unit 76.

The window information obtaining section 76 reads out the foreground display information 8 recorded in the external storage device 9 and obtains the window position of the recorded program on the display device 3 from the display control section 5 and stores it. .

The foreground window display section 75 receives an instruction from the burn-in prevention control section 72, and requests the display control section 5 to return the program window to the position stored in the window information acquisition section 76.

[Operation of Second Embodiment] Next, the operation of the second embodiment of the present invention will be described with reference to FIGS.
This will be described in detail with reference to FIG. FIG. 8 is a flowchart illustrating the operation of the burn-in prevention control unit 72 having the configuration of the second embodiment. FIG. 9 is a flowchart illustrating the operation of the window information acquisition unit 76 having the configuration of the second embodiment. FIG. 10 is a flowchart showing the operation of the window foreground display unit 75 having the configuration of the second embodiment.

The operations of the input device monitoring unit 71, the time management unit 73, the burn-in prevention display unit 74, and the window front display unit 75 in the second embodiment, which are shown by steps A1 to A6 and A8 in FIG. Since the operation is the same as that of the first embodiment, the description is omitted.

The operation of the window foreground display section 75 in the second embodiment, shown in step C4 in FIG.
Since the operation is the same as that of the first embodiment, the description is omitted.

If the processing of the burn-in prevention display unit 74 is not being executed (step A4 in FIG. 8), the window information acquisition unit 76, the burn-in prevention display unit 74, and the foreground display unit 75 are executed (step D1 in FIG. 8). , A6, A
7). The window information acquisition unit 76 reads the window foreground display information 8 from the external storage device 9 (step E1 in FIG. 9), and displays the recorded program on the display device 3
Is acquired from the display control unit 5 and stored (step E2 in FIG. 9). When the execution instruction is received from the burn-in prevention control unit 72, the window foreground display unit 75 acquires the window foreground display information 8 from the window information acquisition unit 76 (Step C2 in FIG. 10), and acquires the window of the acquired program. Requests the display control unit 5 to be in front of the screen output by the burn-in prevention screen display unit 74 (step C3 in FIG. 10).

When an input is generated from the input device monitoring unit 71 during the processing of the burn-in prevention display unit 74 (see FIG. 8).
Step A2), the window foreground display section 75 and the burn-in prevention display section 74 are executed (step D2 in FIG. 8).
A8). When receiving the instruction to return the window position from the burn-in prevention control unit 72, the window foreground display unit 75 returns the program window to the original position using the information stored in the window information acquisition unit 76. To the display controller 5 (step F in FIG. 10).
1).

Next, the operation of the second embodiment of the present invention will be described using a specific example. FIG. 11 shows that the window information acquisition unit 76 of the configuration of the second embodiment is
5 is a diagram showing a specific example of window foreground display information 8 given to 5;

The operation when the window information obtaining section 76 is executed will be described. Window information acquisition unit 76
Reads out the foreground display information 8 from the external storage device 9 (step E1 in FIG. 9). FIG. 6 shows the information to be read.
As shown in FIG.
, In order from the window program name P-n of item number n. The read window program name (P-
1, P-2,... Pn) are displayed on the display device 3.
To the display control unit 5 to return the position output to the external storage device 9 and the result obtained from the display control unit 5.
Is stored as window foreground display information 81 shown in FIG. 11 (step E2 in FIG. 9). If the window program (P-1, P-2,... Pn) requested from the window information acquisition unit 76 is operating as the program 6 of the computer device 1, the display control unit 5 executes the program (P
-1, P-2,... P-n) are returned, and the window positions are not returned unless the program is operating as the program 6 of the computer device 1. Therefore,
The window information acquisition unit 76 may store the window position along with the window program name (P-1, P-2,... Pn) when the window position has been correctly acquired as shown in FIG. 11 is added to the window foreground display information 81 shown in FIG. 11 to store information on whether or not the window position has been acquired, and all window program names (P-1, P-2) read from the external storage device 9 are added. , ...
-It may be stored together with P-n).

Next, the operation in the case where the foreground display unit 75 receives an execution instruction from the burn-in prevention control unit 72 will be described.

The window foreground display section 75 refers to the window foreground display information 81 from the window information acquisition section 76 (step C2 in FIG. 10). The information to reference is
The window program names shown in FIG. 11 are in order from the window program name P-1 of item number 1 to the window program name Pn of item number n. The window foreground display unit 75 displays the window of the referenced window program name (P-1, P-2,..., Pn) such that the window is displayed in front of the screen output by the burn-in prevention screen display unit 74. Request to the control unit 5 (Step C in FIG. 10)
3).

Next, the operation when the window foreground display section 75 receives an instruction to return the window position from the burn-in prevention control section 72 will be described.

The window foreground display unit 75 refers to the window foreground display information 81 from the window information acquisition unit 76, and sequentially starts from the window program name P-1 of item No. It requests the display control unit 5 to output the windows up to n to the location registered in the window position information (step F1 in FIG. 10).

[Effect of the Second Embodiment] The effect of the second embodiment is that a plurality of windows of a program for displaying information that changes as time elapses do not overlap each other. Even if it is placed on the screen of the display device and selected from the program and displayed continuously after the function of the display device burn-in prevention device has been activated, if the function of the display device burn-out prevention device is released, it is automatically At the original screen position, and a new effect is obtained in that the operator of the computer device does not need to rearrange the moved windows so as not to overlap again.

The reason is that, in the first embodiment, in order to prevent image sticking by the window displayed on the foreground,
When a certain time has elapsed, the window is moved to another location on the screen of the display device, so when an input is generated from the input device and the function of the display device burn-in prevention device is released, the window displayed on the foreground is different. However, according to the second embodiment of the present invention, the window position of the program to be displayed on the foreground is saved before the function of preventing the burn-in of the display device is started, and This is because, when an input is generated from and the function of the display device burn-in prevention device is released, it is possible to return the window to the original place where the window was displayed.

Third Embodiment Next, the structure of a third embodiment of the present invention will be described in detail with reference to FIG. Referring to FIG. 12, a display device burn-in prevention program is recorded on the recording medium 12. The recording medium 12 may be a magnetic disk, a semiconductor memory, or another recording medium.

The display device burn-in prevention program is read into the computer device 10 from the recording medium 12, and controls the operation of the computer device 10. The computer device 10 executes the following process under the control of the display device burn-in prevention program, that is, the same process as the process by the display device burn-in prevention devices 7 and 10 in the computer device 2 in the first and second embodiments. I do.

A program to be displayed when the burn-in prevention function is activated on the screen of the display device 3 is recorded in the window frontmost display information 8 of the external storage device 9.
When it is determined that there is no input from the input device 1 for a certain period of time, the entire screen of the display device 3 is darkened, or a picture different from the currently displayed screen is continuously changed and displayed on the entire screen. In addition, the burn-in of the display device 3 is prevented, and the window of the program recorded in the window foreground display information 8 is output to the display device 3 so as to be the foreground.

[0057]

As described above, the present invention has the following effects. When an execution instruction is received from the burn-in prevention screen display means, the foreground display information is read from the storage device, and the operating window of the plurality of programs registered in the window foreground display information is displayed on the burn-in prevention screen. Since the display device is controlled so as to be in front of the screen output by the display means, it is necessary to register in advance a program that needs to be monitored by the user with a program that displays information that changes over time. It is possible to monitor which one is in operation without operating an input device such as a keyboard or a mouse to stop the display device burn-in prevention device.
Arrange multiple program windows that display information that changes with the passage of time on the display device screen so that they do not overlap each other, and select from among the programs to prevent display device burn-in. Even when the display is continued after the function of the device is activated, if the function of the display device burn-in prevention device is released, the display device is automatically arranged at the original screen position, and the operator of the computer device re-displays the moved window again. There is no need to rearrange them so that they do not overlap.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a first exemplary embodiment of the present invention.

FIG. 2 is a diagram showing contents of a window foreground display information of FIG. 1;

FIG. 3 is a flowchart illustrating an operation of a burn-in prevention control unit having the configuration of the first embodiment.

FIG. 4 is a flowchart illustrating an operation of a burn-in prevention display unit having the configuration of the first embodiment.

FIG. 5 is a flowchart illustrating an operation of a window foreground display unit having a configuration of the first embodiment.

FIG. 6 is a diagram showing a specific example of window foreground display information having the configuration of the first embodiment.

FIG. 7 is a block diagram showing a configuration of a second embodiment.

FIG. 8 is a flowchart illustrating an operation of a burn-in prevention control unit having the configuration of the second embodiment.

FIG. 9 is a flowchart illustrating the operation of a window information acquisition unit having the configuration of the second embodiment.

FIG. 10 is a flowchart illustrating an operation of a window foreground display unit having the configuration of the second embodiment.

FIG. 11 is a diagram illustrating a specific example of window foreground display information provided to a window foreground display unit by a window information acquisition unit having the configuration of the second embodiment.

FIG. 12 is a block diagram showing a configuration of a third embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Input device 2 Computer device 3 Display device 4 Input control unit 5 Display control unit 6 Program which performs information processing etc. 7 Display device burn-in prevention device 8 Window top display information 9 External storage device 10 Display device burn-in prevention device 11 Computer device 12 Recording medium 71 Input device monitoring unit 72 Burn-in prevention control unit 73 Time management unit 74 Burn-in prevention screen display unit 75 Window top display unit 76 Window information acquisition unit 81 Window top display information

──────────────────────────────────────────────────の Continuation of the front page (51) Int.Cl. ⁷ identification code FI G09G 5/00 550 G09G 5/00 550B (58) Field surveyed (Int.Cl. ⁷ , DB name) G09G 1/00 G09G 5 / 00-5/42 G06F 3/00 G06F 3/14-3/153 CS term

Claims (8)

(57) [Claims] An image sticking prevention screen for darkening an entire screen of a display device or continuously changing a picture or the like different from a currently displayed screen on the entire screen to prevent image sticking of the display device. Display means, and when the execution instruction is received from the burn-in prevention screen display means, reads out the foreground display information from the storage device and, among the plurality of programs registered in the window foreground display information, the operating window A display device for controlling the display device so as to be in front of the screen output by the burn-in prevention screen display means. 2. The display burn-in prevention device according to claim 1, wherein the window top display means moves the window displayed on the front in accordance with an instruction of the burn-in prevention screen display means. 3. The device according to claim 1, wherein the window front display means moves the window displayed on the front when there is no input from the input device for a predetermined time or more. . 4. A window foremost window information acquiring means for reading window frontmost display information recorded in a storage device, acquiring a window position of a recorded program on a display device, and storing the window position in the storage device. 4. The device according to claim 2, wherein the display unit returns the window displayed on the foreground to the original position in accordance with an instruction from the burn-in prevention screen display unit. 5. An image sticking prevention screen for darkening an entire screen of a display device or continuously changing a picture or the like different from the currently displayed image on the entire screen to prevent image sticking of the display device. When a display program and an execution instruction from the burn-in prevention screen display program are received, the window front display information is read from the storage device, and the operating window among a plurality of programs registered in the window front display information is read. Recording a window foreground display program for controlling the display device so as to be in front of the screen output by the burn-in prevention screen display means. 6. The recording medium according to claim 5, wherein the window foreground display program moves the window displayed on the foreground in accordance with an instruction of the burn-in prevention screen display program. 7. The recording medium according to claim 5, wherein the window foreground display program moves the window displayed on the foreground when there is no input from the input device for a predetermined time or more. 8. A window information acquisition program which reads out the foreground display information recorded in the storage device, acquires the window position of the recorded program in the display device, and stores the window position in the storage device. 8. The recording medium according to claim 6, wherein the front display program returns a window displayed on the foreground to an original position in accordance with an instruction of the burn-in prevention screen display program.