JP2000066653A - Display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a display device excellent in visibility and operability. SOLUTION: In the display device provided with an OSD control block 10 for the On-Screen Display(OSD) function, the OSD control part 12 responds to the operation of a screen regulating switch 21 of a screen regulation block 20, and moves, or expands/contracts the OSD display on a display 40 in an interlocking manner with the screen display. The operation quantity can be easily recognized in regulating the screen, and the operability in regulating the screen is improved.

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 having good visibility and operability when adjusting a screen.

[0002]

2. Description of the Related Art In recent years, as a display device, an on-screen display (OSD) for displaying a desired pattern or a pattern such as a character at a desired position on a display screen.
Display devices having functions are frequently used. By the way, in the conventional display device, when adjusting the screen to obtain a desired screen display position on the display screen, when moving the screen display position up, down, left and right or when enlarging or reducing the screen, like brightness adjustment, The amount of movement and the amount of enlargement / reduction are displayed on the screen by increasing / decreasing numerical values or expanding / contracting a band-shaped figure.

[0003]

Even in the conventional display device, the visibility is relatively good at the time of adjusting the brightness, and the operator does not feel any discomfort during the operation. However, when adjusting the screen, when moving the screen display position, the operation amount in the operation cannot be visually recognized,
The operator felt uncomfortable. In view of the circumstances as described above, an object of the present invention is to provide a display device having good visibility and operability when adjusting a screen, and particularly to a display device having an OSD function. The purpose of the present invention is to achieve this by using the OSD function that has not been used for screen adjustment.

[0004]

According to a first aspect of the present invention, there is provided a display device having an on-screen display function means, comprising: an on-screen display (OSD);
In response to the operation of moving / rotating (moving and / or rotating) the screen display position on the display device, the functional unit moves / moves the OSD-displayed screen area in conjunction with the screen.
It is characterized by rotating.

[0005] In the display device of the present invention, it is preferable that the screen area can be designated. It is also a preferred embodiment of the present invention that a preset scale is displayed, and a moving distance of an area moved in conjunction with the screen is displayed on the screen as a difference from the scale.

A display device according to a second aspect of the present invention is a display device having on-screen display function means, wherein the on-screen display (OSD) function means responds to an operation of enlarging or reducing a screen display on the display device. Then, the screen area displayed by the OSD is enlarged or reduced in conjunction with the screen display.

In the display device of the present invention, it is preferable that the screen area can be specified. It is also a preferred embodiment of the present invention to display the enlargement or reduction ratio of the enlarged or reduced area on the screen.

[0008]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a block diagram illustrating a configuration of a display device according to an embodiment of the present invention. The display device includes an OSD control block 10, a screen adjustment block 20, a display screen control unit 30, and a display screen 40.

The OSD control block 10 includes an input unit 11 for receiving an input relating to the OSD function from an operator, and an OS for controlling the OSD function in accordance with the input from the input unit 11.
A D control unit 12, a ROM 13 for storing standard figures and characters used in the OSD function, and an input for the OSD control unit 12 and temporarily storing data in the OSD control block 10 calculated according to the input. RAM and OSD
A disk 15 serving as a non-volatile memory for storing data in the control block 10 in accordance with an instruction from the OSD control unit 12; The OSD control unit 12 receives one of the standard graphics stored in the ROM 13 according to the input from the input unit 11.
One or more are selected and sent to the display control unit 30 to be displayed on the display 40. In addition, the displayed graphic is enlarged / reduced, moved in the vertical or horizontal direction, or rotated in accordance with an instruction from the input unit 11.

The screen adjustment block 20 comprises a screen adjustment switch 21 and a screen adjustment control unit 22. The screen adjustment control unit 22 adjusts the screen on the display screen 40 according to the input from the screen adjustment switch 21. The screen adjustment includes moving the display position right / left, moving up / down, enlarging / reducing the screen, and adjusting the brightness. The screen adjustment control unit 22 can link the OSD display by the OSD control unit 12 with the screen adjustment according to the mode designation input of the screen adjustment switch 21. In this interlocking mode, the instruction to move or rotate the screen specified by the screen adjustment switch 21 is transmitted from the screen adjustment block 22 to the OSD control unit 12, and the graphic of the specific area displayed on the screen by the OSD control block 10 is displayed. , Move or rotate in conjunction with the movement or rotation of the screen by the screen adjustment switch 21.

Hereinafter, an operation of moving a symbol displayed in a partial area of the screen by the OSD function when the screen is adjusted by the screen adjustment switch 21 in the display device of the embodiment will be described. FIG. 2 is a front view showing the display screen of the display device at the time of default, that is, before the screen is moved by the screen adjustment switch. In the display device of the present embodiment, prior to the screen adjustment, first, the OSD control block 10 is operated to display a specific symbol 41 and a scale 42 indicating the center of the symbol 41 in a predetermined area at the center of the screen. I do. The predetermined area can be specified by the OSD function. The scale 42 is preset at the center position of the screen when the display device is adjusted for shipment. Next, the user operates a move button in the screen adjustment switch 21 to move the screen to a desired position in the up, down, left, and right directions. At this time, the symbol 12
Also moves in the same direction in the same amount. When the desired screen position is obtained, the operation of the screen movement switch is stopped. FIG. 3 is a front view showing the display screen after the screen and the symbol 12 have moved rightward due to this adjustment. With this display, the operator can easily visually recognize the operation amount of his / her own operation during and after the operation of the switch.

In the present embodiment, the symbol 41 displayed by the OSD function means moves in response to a screen adjustment operation for moving the screen in a desired direction, so that it is possible to move the symbol while visually recognizing the symbol when adjusting the screen. For this reason, operability, visibility, and the like are greatly improved in screen adjustment as compared with a conventional display device. Here, X, Y by the scale 42
Is defined as a default value, the movement amount can be easily recognized by calculating the difference between the center coordinate value of the symbol 41 after movement and the default value. By storing this movement amount in the disk 15 of the OSD control block 10, the next time the display device is started up, the screen can be automatically adjusted according to the previous movement amount and started up. When the operator desires to start at the position before the screen adjustment, the OSD control unit 12 can also start the screen before the screen adjustment according to the designation.

FIG. 4 shows an example of a screen display when the screen is enlarged when adjusting the screen in the display device of FIG. Prior to the enlargement of the screen, a specific symbol 41 is displayed in the area on the screen as in the example of the previous movement. When the enlargement switch of the screen adjustment switch 21 is operated, the screen display is enlarged and the design 41 is also enlarged at the same ratio. When the screen is enlarged, the original symbol area 41 is left as it is together with the enlarged symbol 41B. Therefore, the operator can easily recognize how much enlargement is being performed at the time of operating the switch. When the desired screen is obtained, the operation of the enlargement switch is stopped. By comparing the design 41B after enlargement with the original design position 41, the enlargement magnification can be easily recognized. The OSD control unit 12 stores the enlargement magnification on the disk 15, adjusts the screen based on the magnification at the time of subsequent activation, and activates the display device. It is to be noted that the magnification can be displayed on the screen while operating the switch. Not only the enlargement of the screen but also the reduction is possible. When the screen is rotated, the original design area and scale and the rotated design and scale are displayed on the screen at the same time, so that the screen rotation can be similarly operated while visually recognizing the rotation.

In the display device of the present invention, when the screen is moved, enlarged / reduced, or rotated for the screen adjustment, the state thereof can be easily visually recognized on the screen by the OSD function, and the operability in the screen adjustment can be obtained. , Visibility and the like are greatly improved. Further, when the display device is started next time, the display device can be started on the screen after the previous screen adjustment.

[0015]

According to the display device of the present invention, in the display device provided with the on-screen display function means, the on-screen display function means responds to a switch operation at the time of screen adjustment and displays the OSD-displayed screen. Can be moved, enlarged / reduced, and rotated, so that there is an advantage that operability and visibility in screen adjustment are improved.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a display device according to an embodiment of the present invention.

FIG. 2 is a front view showing a display screen of the display device in a default state in the display device of FIG. 1;

FIG. 3 shows the display device of FIG.
FIG. 6 is a front view showing the display screen after the display moves rightward.

FIG. 4 is a diagram illustrating the display apparatus of FIG.
FIG. 4 is a front view showing the display screen after the display is enlarged.

[Explanation of symbols]

 Reference Signs List 10 OSD control block 11 input unit 12 OSD control unit 13 ROM 14 RAM 15 disk 20 screen adjustment block 21 screen adjustment switch 22 screen adjustment control unit 30 display screen control unit 40 display screen 41 OSD pattern 41B OSD pattern after enlargement 42 scale

Claims (6)

[Claims] 1. A display device having an on-screen display function means, wherein an on-screen display (OSD) function means responds to an operation of moving / rotating a screen display position on the display device by displaying an OSD-displayed screen area. A display device that moves / rotates the image in conjunction with a screen. 2. The display device according to claim 1, wherein the screen area can be specified. 3. A preset scale is displayed, and a movement / rotation amount after moving / rotating in conjunction with the screen is displayed on the screen as a difference from the scale.
The display device according to claim 1. 4. A display device having an on-screen display function means, wherein an on-screen display (OSD) function means changes an OSD-displayed screen area in response to an operation of enlarging or reducing a screen display on the display device. A display device characterized by being enlarged or reduced in conjunction with a screen display. 5. The display device according to claim 4, wherein the screen area can be specified. 6. The display device according to claim 5, wherein an enlargement ratio or a reduction ratio of the enlarged or reduced region is displayed on a screen.