JPH10232622A - Planar display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make the display screen of a planer display device to be an optimum display screen such as long sideways screen, vertically long screen and so forth according to input signals to be displayed on the planar display. SOLUTION: A rotating mechanism 3 rotating a display part 1 in the display surface of the display part 1 is provided at the roughly center of the back surface of the display part 1 of the planar display device in which a PDP 2 is housed. The rotating mechanism 3 is constituted by screwingly fixing a cylindrical rotary part 3 freely rotatingly and holdingly supporting the outer circumference of a disk shaped fixing part 5 to the back surface of the display part 1 with screws 6. A support 5f is provided at the central part of the back surface of the fixing part 5 and the attaching part 5g of the other end of the support is fixed to a wall 7 or the like. A wall-mount type planar display device capable of setting the display screen in various angles of a long sideways or a vertically long or the like by rotating the display part 1 with hands or the like in such a state is obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat display for displaying a personal computer image or the like which can display either a horizontally long image or a vertically long image.

[0002]

2. Description of the Related Art Recently, PDPs (Plasma Display Panels) have been used to display television images and personal computer images.
Flat displays such as LCDs and liquid crystal displays (LCDs) have been commonly used. As a signal source to be displayed, in addition to a general personal computer screen, not only a conventional horizontal screen such as a word processor screen or a digital still camera, but also a video signal of a vertical screen has been increasing. However, since the conventional flat display is fixedly displayed on a horizontally long screen or a vertically long screen, it is not possible to appropriately display images of these various signal sources.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a technique for providing an optimum display screen such as a landscape screen or a portrait screen according to an input signal to be displayed. I do.

[0004]

A rotating mechanism for rotating the display unit within the display surface of the display unit is provided substantially at the center of the back surface of the display unit of the flat display device, and the display unit is mounted on a floor or the like. The display unit is rotatably held on an installed gantry or a gantry fixed to a wall or the like, and the display unit is rotated on a display surface in accordance with a signal source to be displayed to obtain an optimal display screen.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS PDP for Displaying Television Images
(Plasma display panel), LCD (Liquid Crystal Display), and the like, and a flat display device including a pedestal that is installed on a floor or the like or that holds the display unit fixed to a wall or the like. And a cylindrical rotary portion rotatably holding the outer periphery of the fixed portion provided substantially at the center of the back surface of the display portion, and the display portion is rotatable with respect to the gantry. To be kept.

[0006] At one position on the inner periphery of the fixed portion and at one position on the outer periphery of the rotating portion, there is provided a locking portion comprising a pin and a stopper which are engaged with each other. Rotation is limited to approximately 360 degrees.

A plurality of concave portions provided on the outer periphery of the fixed portion or the inner periphery of the rotating portion, and a convex portion which is urged by a spring or the like to engage the same concave portion provided on the rotating portion or the fixed portion. ,
The rotating part is held at a fixed angle with respect to the fixed part.

[0008] A gear having teeth provided on the outer periphery of the fixed portion or the inner periphery of the rotating portion, and a motor in which a gear meshing with the gear is attached to a shaft is provided on the rotating portion or the fixed portion. The rotation unit is rotated by driving the motor.

The motor is a pulse motor.

The flat display device is provided with an external input unit such as a remote controller and a motor drive unit for driving the motor in accordance with an input signal from the input unit. Is rotated.

The flat display device has a signal source identifying section for identifying a type of an input signal to be displayed, and a display angle setting for setting an optimum rotation angle of the display section for displaying the same signal for each identified signal source. The display unit is provided, and the display unit is rotated and held at an optimum angle for displaying the input signal.

A substantially central portion of the fixed portion and its support is hollow, and a power supply line, a signal line, and the like for driving the display portion are inserted into the hollow portion.

[0013]

FIG. 1 shows a flat display according to the present invention.
(A) side view ((b) cross section c1-c1 of the embodiment) of the embodiment;
(B) is a rear view (the same figure (A) c2-c2 cross section), (C) is an enlarged view of a rotating part, (C) is an enlarged view of an engagement part ((C) part P in the same figure). A rotation mechanism 3 for rotating the display unit 1 within the display surface of the display unit 1 is provided substantially at the center of the back surface of the display unit 1 of the flat display device in which the PDP 2 is stored. The rotating mechanism 3 is configured by screwing the cylindrical rotating portion 3 that rotatably holds the outer periphery of the disk-shaped fixed portion 5 to the back surface of the display unit 1 with a screw 6 or the like. A support 5f is provided at the center of the back surface of the fixing portion 5, and is fixed to the wall 7 or the like by the mounting portion 5g at the other end. In such a state, by rotating the display unit 1 in the display surface with a hand or the like, a wall-mounted flat display device capable of setting the display screen to various angles such as a landscape orientation or a portrait orientation is obtained.

An engaging portion comprising a stopper 5a fixed to the inner periphery of the fixed portion 5 and a pin 4a fixed to the outer periphery of the rotating portion 4 is provided so that when the display portion 1 is rotated by hand or the like. 360
The rotation of the display unit 1 is limited to 360 degrees or less, and the power supply line or the like connected to the display unit can be prevented from being twisted.

A plurality of concave portions 5b are provided on the outer periphery of the fixed portion 5 and are engaged with the convex portions 4b provided on the rotating portion 4, whereby the display portion 1 is rotated by a predetermined angle so that the angle determined by the concave portion 5b is obtained. To be held in The convex portion 4b is formed by inserting a cylindrical member having a convex portion 4b at the tip into a cylinder 4c provided on the outer peripheral portion of the rotating portion 4, and using a spring 4d provided on the inner portion thereof in the direction of the outer peripheral portion of the fixed portion 5. It is configured so as to be biased. When rotating the rotating portion 4, the convex portion 4b is pressed against the outer periphery of the fixed portion 5 to compress the spring, and engages with the concave portion 5b at an angle coinciding with the concave portion 5b. It is kept stable.

A hollow portion 5 is provided substantially at the center of the support 5f of the fixed portion 5.
e is provided so that a power supply line or a signal line for driving the display unit 1 is inserted.

FIG. 2 is an enlarged view of a rotating portion of another embodiment of the flat display device according to the present invention. Gear teeth are provided on the outer periphery of the fixed portion 25 having the same configuration as described above, and a motor 29 such as a stepping motor having a pulley 28 meshed with the gear is attached to the rotating portion 24. Motor 29
By rotating, the motor rotates around the outer periphery of the fixed portion, and eventually the display unit to which the rotating unit is attached rotates. The same effect can be obtained by providing teeth on the inner periphery of the rotating portion 24 and attaching a motor having a pulley meshing with the teeth to the fixed portion 25.

FIG. 3 is a schematic block diagram of a motor driver of one embodiment of the flat display device according to the present invention.
In response to a rotation signal of the display unit from the remote controller 34, the control unit 31 including an MPU or the like drives the motor 29 by the drive unit 32 to rotate the display unit. From the remote controller 34, for example, a rotation signal such as right rotation, left rotation, or the like is input.
The control unit 31 that has received the rotation signal controls the driving unit 32 with the right rotation signal to rotate the rotation unit clockwise, for example, by 45 degrees. By turning 45 degrees clockwise in the next right rotation,
The display unit can be rotated in a predetermined direction and held at that angle.

FIG. 4 is a schematic block diagram of a motor driving unit of another embodiment of the flat display device according to the present invention. The type of the input signal displayed on the display unit is identified, and the optimum rotation angle is automatically set for each signal source in the same manner as described above. The number of display pixels in the horizontal direction of the input signal to be displayed is obtained by the counter 44 which counts the display clock S1 of the input signal to be displayed during the horizontal synchronization signal S2. The number of display pixels in the vertical direction is obtained by a counter 45 that counts the horizontal synchronization signal S2 during the period of the vertical synchronization signal S3. The control unit 41 composed of an MPU or the like reads these pixel numbers, and reads out an optimal angle from an LUT (Look Up Table) 43 storing the predetermined pixel number and an optimal display screen angle. By setting the drive unit 42 and rotating the motor 29, the display unit is automatically set to an optimum angle for the input signal.

[0020]

According to the present invention, a PDP (Plasma Display Panel) or an LCD (Liquid Crystal Display) for displaying television images and the like.
In a flat display device comprising a gantry holding the display unit installed on a floor or the like or fixed to a wall or the like, a disc-shaped fixing unit fixed to the gantry, and a back surface of the display unit By providing a cylindrical rotating portion that rotatably holds the outer periphery of the fixed portion provided substantially at the center and holding the display portion rotatably with respect to the gantry, Can be set to the optimum angle for the input signal.

An engaging portion is provided at one location on the inner periphery of the fixed portion and one location on the outer periphery of the rotating portion, and the rotation of the rotating portion of the display portion relative to the fixed portion is substantially the same. By limiting the angle within 360 degrees, twisting of the power supply line connecting the display units can be prevented.

A plurality of concave portions provided on the outer periphery of the fixed portion or the inner peripheral portion of the rotating portion, and a convex portion which is urged by a spring or the like to engage with the concave portion provided on the rotating portion or the fixed portion. ,
The display unit can be easily held at a fixed angle by holding the rotating unit at a fixed angle with respect to the fixed unit.

A gear having teeth provided on an outer periphery of the fixed portion or an inner periphery of the rotating portion, and a motor having a pulley meshed with the gear is provided on the rotating portion or the fixed portion, and the motor is driven. Thus, by rotating the rotating portion, the display portion can be rotated without manual operation.

The motor is a pulse motor,
Since the rotation angle of the motor can be accurately controlled, the angle of the display unit can be accurately set.

The flat display device is provided with an external input unit such as a remote controller and a motor drive unit for driving the motor in accordance with an input signal from the input unit. Is rotated, it is possible to easily reset the display unit from a remote controller or the like.

In the flat display device, a signal source identifying section for identifying a type of an input signal to be displayed, and a display angle setting for setting an optimum rotation angle of the display section for displaying the same signal for each identified signal source By setting the display unit to rotate and hold the display unit at an optimum angle for displaying the same input signal, it is possible to automatically set the angle of the display unit required each time the signal source is switched. Become like

A substantially central portion of the fixed portion and its column is hollow, and a power supply line, a signal line, and the like for driving the display portion are inserted through the hollow portion. You can avoid becoming.

[Brief description of the drawings]

FIG. 1A is a side view of an embodiment of a flat display device according to the present invention (a cross section taken along line c1-c1 of FIG. 1B), and FIG.
It is a rear view ((A) c2-c2 cross section of the figure), (C) enlarged view of a rotation part, (C) enlarged view of an engagement part ((C) part P of the same figure).

FIG. 2 is an enlarged view of a rotating part of another embodiment of the flat display device according to the present invention.

FIG. 3 is a schematic block diagram of a motor driver of one embodiment of the flat display device according to the present invention.

FIG. 4 is a schematic block diagram of a motor driver of another embodiment of the flat display device according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Display part 2 PDP 3 Rotating mechanism 4 Rotating part 4a Pin 5 Fixed part 5a Stopper 6 Screw 7 Wall 24 Rotating part 25 Fixed part 28 Pulley 29 Motor 31 Control part 32 Drive part 34 Remote control 41 Control part 42 Drive part 43 LUT 44 counter 45 counter

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[Procedure amendment]

[Submission date] April 18, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Brief description of drawings

[Correction method] Change

[Correction contents]

[Brief description of the drawings]

FIG. 1A is a side view of an embodiment of a flat display device according to the present invention (a cross section taken along line c1-c1 of FIG. 1B), and FIG.
It is a rear view ((A) cross section c2-c2 of the same figure), (C) an enlarged view of a rotating part, and ( D ) an enlarged view of an engagement part (the P part of the same figure (C)).

FIG. 2 is an enlarged view of a rotating part of another embodiment of the flat display device according to the present invention.

FIG. 3 is a schematic block diagram of a motor driver of one embodiment of the flat display device according to the present invention.

FIG. 4 is a schematic block diagram of a motor driver of another embodiment of the flat display device according to the present invention.

[Description of Signs] 1 display unit 2 PDP 3 rotation mechanism 4 rotation unit 4a pin 5 fixing unit 5a stopper 6 screw 7 wall 24 rotation unit 25 fixing unit 28 pulley 29 motor 31 control unit 32 driving unit 34 remote control 41 control Unit 42 drive unit 43 LUT 44 counter 45 counter

Claims (8)

[Claims] 1. A PDP (Plasma Display Panel) or LCD (Liquid Crystal Display) for displaying television images and the like.
In a flat display device comprising a gantry holding the display unit installed on a floor or the like or fixed to a wall or the like, a disc-shaped fixing unit fixed to the gantry, and a back surface of the display unit A cylindrical rotating portion for rotatably holding the outer periphery of the fixed portion provided substantially at the center is provided, and the display portion is rotatably held with respect to the gantry. Flat display device. 2. An engaging portion comprising a pin and a stopper which are engaged with each other at one location on the inner periphery of the fixed portion and one location on the outer periphery of the rotating portion, and the same fixing of the rotating portion of the display portion. 2. The flat display device according to claim 1, wherein the rotation with respect to the part is limited to within about 360 degrees. 3. A plurality of recesses provided on an outer periphery of the fixed portion or an inner periphery of the rotating portion, and a projection which is engaged with the rotating portion or the recessed portion provided on the fixed portion by urging with a spring or the like. 2. The flat display device according to claim 1, wherein a locking portion is provided, and the rotating portion is held at a fixed angle with respect to the fixed portion. 4. A gear having teeth provided on an outer periphery of the fixed portion or an inner periphery of the rotating portion, and a motor in which a gear meshing with the gear is attached to a shaft is provided on the rotating portion or the fixed portion. 2. The flat display device according to claim 1, wherein the rotation unit is rotated by driving the motor. 5. The flat display device according to claim 4, wherein the motor is a pulse motor. 6. The flat display device is provided with an external input unit such as a remote controller and a motor drive unit for driving the motor in accordance with an input signal from the input unit, and the motor is driven by an instruction from the input unit. The flat display device according to claim 4 or 5, wherein the moving part is rotated. 7. A flat panel display device comprising: a signal source identifying section for identifying a type of an input signal to be displayed; and a display for setting an optimum rotation angle of the display section for displaying the same signal for each identified signal source. 6. The flat display device according to claim 4, wherein an angle setting unit is provided, and the display unit is rotated and held at an optimum angle for displaying the input signal. 8. The fixing device according to claim 1, wherein a substantially central portion of the fixed portion and its support is hollow, and a power supply line, a signal line, and the like for driving the display portion are inserted into the hollow portion. Flat display device.