JPH09305122A - Display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide information on a wide type screen and also a standard type screen without video distortion and without change in a housing mechanism of a conventional display of a display device. SOLUTION: It is made possible by dividing a wide type display device 1 into a standard screen 2 and an expansion screen 3 which is constituted to be removable that the expansion screen 3 has only to be attached to the standard one to display a wide screen compatible video without decrease in information content or without picture distortion, and that the standard screen video can also be displayed by removing the expansion screen 3 or utilizing it for other uses such as a remote control or a panel control, etc., when the standard screen video is displayed. Further, even if a display device 1 is increased in the lateral length so as to be compatible to a wide screen, an existing housing device is usable without change by removing the expansion screen 3 when the device is housed. Also, downsizing and operability of the device are enhanced by providing the expansion screen 3 with remote control functions or panel operation functions.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device, and more particularly to a display device including at least two detachable video display screens.

[0002]

2. Description of the Related Art Conventionally, as for display devices, Japanese Patent Application No. 6-299494 and Japanese Patent Application Laid-Open No. 5-299494 already filed by the present applicant.
The thing described in -105002 is known. FIG. 4 shows the configuration of the conventional display device 11, which includes standard video (4: 3) and wide video (16:
The image display section 5 for displaying 9) has a wide screen 12 and an outer frame.
Composed of 13. And the display control of the wide screen 12 is an outer frame
13 Perform from above or external operation system 14. Further, in FIG. 4, the display device 11 includes a video display unit 15, a movable cabinet 16 and a main body case 17.
15 and the movable cabinet 16 are connected by a rotary shaft 18. A slider 19 is arranged inside the main body case 17.

In the above structure, when the movable cabinet 16 is rotated 90 degrees about the rotary shaft 18, the image display section 15 can be stored in the main body case 17 by the slider 19.

[0004]

In this display device, since the aspect ratio of the wide screen 12 is fixed to 16: 9, the standard image display screen (4:
If the vertical length b of 3) is maintained and the wide image display screen is displayed,
The horizontal length a becomes longer than the standard video screen,
The conventional display storage space does not fit, and the device becomes large. Further, if the horizontal length a is restricted, the vertical length b of the standard image display cannot be maintained, and the display becomes small.

As a method for preventing this, a method of displaying the image by expanding or compressing the image in the vertical direction or the horizontal direction can be used. However, by distorting the image, information is accurately transmitted. I can't. Moreover, it is necessary to separately provide an operation system for controlling the screen display in order to obtain necessary information in the display device.

The present invention solves the above problems and provides a display device capable of displaying both standard video and wide video without increasing the size of the device, reducing the screen size, and distorting the image. With the goal.

It is another object of the present invention to provide a display device which is downsized and whose operability is improved by using the extended display as a screen operation system.

[0008]

In order to solve this problem, the present invention provides a standard screen (4: 3) for displaying a standard image on a display device and an extended screen (4: 9) required for displaying a wide image. By splitting and making it detachable, the conventional 4: 3 standard screen is used when storing the display or displaying standard images, and an extended screen is added in the horizontal direction of the standard screen when displaying wide images. As a result, a wide image can be displayed without reducing the vertical length of the screen.

Further, when the standard image is displayed, it can be used as a remote control with an extended screen not used, or as an operation panel such as a touch panel with the extended screen attached.

As a result, it is possible to obtain a display device capable of displaying a standard image and a wide image without increasing the size of the device, reducing the screen, and distorting the screen.

Further, by using the extended display as a remote controller or an operation panel, it is possible to downsize the device and improve the operability.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 of the present invention is such that a standard screen for standard image display having a conventional aspect ratio of 4: 3 and an extended screen are separated and detachable. By removing the extended screen when the unit is stored, the conventional standard type display storage mechanism can be used even for wide screen support, and even when displaying standard images, it is possible to display images without reducing the screen height or distorting the image. Have.

According to a second aspect of the present invention, the extension display device to be attached / detached is provided with a remote control function and a panel function, and can be used as an operation system at the time of the standard screen, thereby enabling downsizing of the device or operation. It has the effect of improving the sex.

Hereinafter, an embodiment of the present invention will be described with reference to FIG.
4 to FIG.

(First Embodiment) FIG. 1 shows a first embodiment of the present invention.
1 shows a display device according to another embodiment of the present invention. In FIG. 1, the display device 1 is detachable from a standard screen 2 for displaying a standard image, and an extended screen 3, a standard screen 2 and an extended screen 3 used when displaying a wide image.
And a movable cabinet 6 which is connected to a part of the video display unit 5 and a video display unit 5 which is composed of a detachable outer frame 4 and a case main body 7 which stores the video display unit 5. It is connected by a shaft 8. A slider 9 with a guide is arranged inside the main body case 7.

The operation of the display device constructed as above will be described. First, during image display, the image display unit 5 projects, and during standard image display, the image display unit 5 has a configuration in which the outer frame 4 is attached to the standard screen 2 and the image display is displayed on the 4: 3 standard screen 2.

When displaying a wide image, the image display section 5
Is displayed by using both the 16: 9 total screen while maintaining the vertical length b with the configuration in which the extended screen 3 and the outer frame 4 are mounted on the standard screen 2. Therefore, both images can be displayed without being reduced in the vertical and horizontal directions and without distorting the images as compared with the conventional images.

When the video display unit 5 is stored in the main body case 7, the video display unit 5 is rotated by the rotary shaft 8 as shown in FIG.
It is rotated once and stored inside the body case 7 by the slider 9. At this time, the extended screen 3 is the standard screen 2
And the outer frame 4 is attached.

At this time, the shape of the image display section 5 is the same as the shape of the image display section 15 of the conventional standard type display device 11 shown in FIG. 4, so it is necessary to change the shape of the main body case 7 for storing it. Therefore, the image display unit 5 can be stored in the main body case 7 without changing the storage mechanism such as the slider 9.

As described above, according to the first embodiment of the present invention, by providing the standard screen 2 and the detachable expansion screen 3, the conventional display storing mechanism can be used even for wide screens, and the standard It is possible to obtain a display device capable of displaying an image without reducing the vertical length of the screen or distorting the image even when the image is displayed.

(Second Embodiment) FIGS. 2 and 3 show a display device according to a second embodiment of the present invention. As shown in FIG. 2, a standard screen 2 and an expansion screen 3 are attached. . When the standard image is displayed, only the standard screen 2 is used for displaying the image, and the extended screen 3 is unused. At this time, an operation menu or the like can be displayed on the extended screen 3 and used as an operation panel.
There is no need to place an operation system at another position, and the device can be downsized and operated while looking at the screen, improving operability.

When a wide image is displayed, the standard screen 2 and the extended screen 3 are used for displaying the image. When a wide image is displayed, an operation menu or the like cannot be displayed on the extended screen 3 to be used as an operation panel. Therefore, a remote controller is separately used or an operation is performed by switching the screen as usual.

As described above, according to the second embodiment of the present invention, by using the extended screen as an operation panel, it is possible to obtain a display device which can be downsized and improved in operability. .

In the second embodiment, the extended screen is used as the operation panel when attached, but even when the extended screen is removed as shown in FIG. 3, the extended screen side has a transmitting function and the main body side has a receiving function. It is possible to carry out the same in the same manner by making the terminal wait and function as a remote controller.

[0025]

As described above, according to the present invention, at least two or more screens can be attached / detached to / from the display device, so that the conventional display storing mechanism can be used even for wide screens and the standard image can be used. Even during display, it is possible to obtain an advantageous effect that an image can be displayed without reducing the vertical length of the screen or distorting the image.

Further, by utilizing the extended screen as an operation panel or a remote controller, it is possible to obtain the advantageous effects of downsizing the device and improving the operability.

[Brief description of drawings]

FIG. 1 is a schematic diagram of a display device according to a first embodiment of the present invention,

FIG. 2 is a schematic view of a display device according to a second embodiment of the present invention,

FIG. 3 is a schematic view of another display device according to the second embodiment of the present invention,

FIG. 4 is a schematic view of a conventional display device.

[Explanation of symbols]

 2 Standard screen 3 Extended screen 4, 13 Outer frame 6, 16 Movable cabinet 7, 17 Main body case 8, 18 Rotation axis 9, 19 Slider 12 Wide screen 14 Operation system 20 Operation panel (Usage of extended screen 3) 21 Remote control ( Usage form of extended screen 3)

Claims (2)

[Claims] 1. A display device having an aspect ratio of 16: 9 and a conventional 4: 3 standard screen and an extended screen which are detachable from each other. 2. The display device according to claim 1, wherein the extended screen has a remote control function and an operation panel function.