JPH09261563A - Panel type video display - Google Patents

Abstract

The present invention provides a technique for forming a video display device which has a thin display section and makes good use of the characteristics of a display panel such as a PDP or an LCD and has good operability. A video signal from a tuner 30, a VTR 40, etc. is converted into an RGB signal by a switching signal processing unit 12 in a switching circuit 11 and transmitted to a display unit 20 through an interface line L1 by controlling a microcomputer 15 in a video receiving unit 10. In the display unit 20, the driving circuit 22 drives the PDP 24 to display the video signal. The interface line L1 is connected to the video receiver 1 by the connectors 13 and 21.
0 and the display unit 20 are connected. The display unit 20 is provided with a microcomputer receiving unit 25 for controlling the entire video display device, controls the display unit, and transmits to the video receiving unit 10 via the control line L2 via the connectors 21 and 13 to transmit the video receiving unit. Control.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a panel type image display device which can be made thin by making the most of the characteristics of a display panel such as a PDP or LCD.

[0002]

2. Description of the Related Art In a conventional video display device such as a television receiver, the same video as a video receiving portion such as a tuner portion for selecting a channel to receive a television signal and a video signal demodulating portion for decoding a video signal from the television signal. A display unit such as a CRT that displays signals on an image is integrated. However, with such a configuration, when a display panel such as a PDP or LCD is used for the display unit, it is difficult to realize a wall-mounted television that takes advantage of the thin characteristics of the display panel. Further, when the video receiving unit and the display unit are separately configured, it is necessary to configure both controls with good compatibility.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and provides a video display device having a thin display section that makes the best use of the characteristics of a display panel such as a PDP or LCD and having good operability. It is intended to provide a technology for configuring.

[0004]

An image display unit using a display panel such as a PDP or LCD receives a television signal or the like to generate an image signal, and an image receiving unit for processing the image signal. The display unit is converted into visible light and displayed on the screen separately to form a thin display unit, and a control line is provided between the image receiving unit and the display unit to control both units. Take alignment.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION A video receiving section for processing a video signal, such as receiving a TV radio wave and converting it into a video signal, and a display section for converting the video signal into visible light and displaying it on a screen are separated. A video display device is configured as described above, and a control line for controlling the video receiving unit and the display unit is provided in the interface line between the video receiving unit and the display unit.

The display section is provided with a remote control receiving section for controlling the operation of the entire video display apparatus, and the remote control signal is transferred to the video receiving section through the control line.

The interface between the image receiving unit and the display unit is an RGB signal, and the connector of the interface is common to the connector of the personal computer monitor.

The control line is connected using an unused terminal of the connector of the personal computer monitor.

Separate power supplies are provided for the video receiving section and the display section.

Separate microcomputers are provided for the video receiving section and the display section.

In the video receiving unit and the display unit, a sub power supply for supplying a voltage to the microcomputer and its peripheral devices, a main power supply for supplying a voltage to the video receiving unit or the entire display unit, and a main power supply and a sub power supply are turned on and off at the same time. A main power switch and a power switch for turning on and off only the main power are provided, and the microcomputer of the video display unit controls the power switches of both the video display unit and the display unit by an input signal from a main body key provided on the main body of the video display unit, The microcomputer of the display unit controls the power switches of both the image display unit and the display unit according to the input signal from the remote controller.

[0012]

1 is a block diagram of a main portion of one embodiment of a panel type image display device according to the present invention. The panel type image display device is divided into an image receiving unit 10 and a display unit 20. In the video receiver 10, the switching circuit 1 switches the video signals from the tuner 30, the VTR 40, etc. under the control of the microcomputer 15.
The signal processing unit 12 receives and switches the signal to a video signal suitable for the display unit, such as an RGB signal, and transmits the RGB video signal to the display unit 20 through the interface line L1. The display unit 20 receives the RGB video signal and drives the PDP 24 by the drive circuit 22 to display the video signal. The interface line L1 connects the video receiving unit 10 and the display unit 20 with the connectors 13 and 21.

The display section 20 is provided with a microcomputer receiving section 25 for controlling the entire image display apparatus, controls the display section, and controls the remote control signal decoded by the microcomputer 23 through the connectors 21 and 13 by the control line L2. The data is transmitted to the video receiving unit 10, and the tuner 30 of the video receiving unit controls each unit such as tuning. The interface line L
By making the arrangement of the connectors 13 and 21 of 1 the same as the arrangement of the connector of the interface line of the personal computer monitor, and arranging the control line L2 to the empty terminal of the same connector,
The video signal from the personal computer can be directly connected to the connector 21.

The image receiving section 10 and the display section 20 can be provided with independent power sources. The video receiver 10 has
Sub power supply 1 for supplying power to the microcomputer 15 and its peripheral circuits
6 and a main power supply 17 for supplying power to the whole of the video receiving unit 10, the main power switch 14 controls on / off of both the sub power supply 16 and the main power supply 17, and the power switch 15 turns on the main power supply 17. Use on / off control. Similarly, the display unit 20 has a sub power source 27 for supplying power to the microcomputer 23 and the remote control receiving unit 25 and the like around the microcomputer 23, and the display unit 20.
A main power supply 29 for supplying power to the whole of the other is provided, the main power switch 26 controls ON / OFF of both the sub power supply 27 and the main power supply 29, and the power switch 28 controls ON / OFF of the main power supply 29.

The power control of the video receiver 10 and the display 20 is performed as follows. That is, the video receiver 10
Then, when the microcomputer 15 receives the key signal of the main body key 18 for controlling the power switch, the microcomputer 15 of the display unit is controlled through the toggle control that causes the power switch 15 of the image receiving unit to be in a state opposite to the current state. To
The same power supply control signal that turns on or off as the video receiving unit 10 is sent regardless of the current state of the power supply of the display unit. The microcomputer 23 of the display unit controls the power switch 28 according to the same signal in accordance with the priority determination unit 32 so that the main power source of the display unit 20 is in the same state as the power source of the image receiving unit 10.

On the other hand, when the microcomputer 23 of the display section 20 receives the power control signal of the remote controller 50 through the remote control receiving section 25, it toggles the power switch 28 of the display section to the state opposite to the current state of the main power supply 29. In addition to performing control, a power supply control signal that is in the same state as the main power supply 29 of the display unit 20 is transmitted to the microcomputer 15 of the video receiving unit 10 through the control line L2. Based on this signal, the microcomputer 15 of the video receiving unit 10 causes the priority determination unit 19 to turn on the power switch 15
Is controlled so that the main power supply 17 of the image receiving unit 10 is in the same state as the main power supply of the display unit.

[0017]

The present invention is embodied in the form described above, and has the following effects.

An image receiving unit for receiving a TV radio wave or the like to generate a video signal and a display unit for converting the video signal into visible light and displaying the same on a screen are separated, and an interface line between the video receiving unit and the display unit is provided. By providing the control line for controlling the video receiving unit and the display unit, the display unit can be made thin and each unit of the video display device can be controlled with good consistency.

The display unit is provided with a remote control receiving unit for controlling the operation of the entire video display device, and the remote control signal is transferred to the video receiving unit through the control line, so that the entire remote control unit can control the entire video display device with one remote controller. it can.

The interface between the image receiving unit and the display unit is an RGB signal, and the connector of the interface is common to the connector of the personal computer monitor, so that the same display unit displays the image of the television and the personal computer screen. Can be used for both.

By connecting the control line using the unused terminal of the connector of the personal computer monitor, the control line for connecting the video receiver can be secured as it is.

By providing separate power sources for the video receiving unit and the display unit, the interface line between the video receiving unit and the display unit can be minimized.

By providing separate microcomputers for the image receiving section and the display section, it is possible to smoothly control each section.

The image receiving unit and the display unit have a sub power source for supplying a voltage to the microcomputer and its peripheral devices, a main power source for supplying a voltage to the entire image receiving unit or the display unit, and the main power source and the sub power source are turned on and off at the same time. There is a main power switch and a power switch that turns on and off only the main power, and the microcomputer of the image display unit controls both the image display unit and the display unit's power switch by the input signal from the key on the image display unit body. By controlling the power switches of both the image display unit and the display unit by the input signal from the remote controller with the microcomputer of the display unit, the main power supply of the image receiving unit and the main power supply of the display unit can be controlled without any conflict.

[Brief description of drawings]

FIG. 1 is a block diagram of a main part of one embodiment of a panel-type image display device according to the present invention.

[Explanation of symbols]

 10 video reception section 11 switching circuit 12 signal processing section 13 connector 14 main power supply 15 microcomputer 16 sub power supply 17 main power supply 18 main body key 19 priority determination section 20 display section 21 connector 22 drive circuit 23 microcomputer 24 PDP 25 remote control reception section 26 main power supply 27 Sub power supply 28 Power switch 29 Main power supply 32 Priority determination unit 30 Tuner unit 40 VTR 50 Remote control

Claims (7)

[Claims] 1. A video display device using a display panel such as a PDP or LCD, and a video receiving unit for receiving a TV radio wave or the like to generate a video signal, and displaying the video signal on the screen after converting the video signal into visible light. A panel-type video display device, characterized in that it is configured separately from a display unit, and a control line for controlling the video reception unit and the display unit is provided in an interface line between the video reception unit and the display unit. 2. The panel type according to claim 1, wherein the display section is provided with a remote control receiving section for controlling the operation of the entire video display device, and the remote control signal is transferred to the video receiving section through the control line. Video display device. 3. An interface between the image receiving unit and the display unit is an RGB signal, and the connector of the interface is also used as the connector of the personal computer monitor, so that the personal computer monitor for displaying the image of the television and the personal computer screen can be combined. The panel-type image display device according to claim 1, wherein 4. The panel type image display device according to claim 3, wherein the control line is connected by using an unused terminal of a connector of a personal computer monitor. 5. The panel type image display device according to claim 1, wherein the image receiving unit and the display unit are provided with separate power sources. 6. The panel type image display device according to claim 1, wherein the image receiving section and the display section are provided with separate microcomputers. 7. The image receiving unit and the display unit include a sub-power source for supplying a voltage to the microcomputer and its peripheral devices, a main power source for supplying a voltage to the image receiving unit or the entire display unit, and the main power source and the sub-power source. A main power switch that turns on and off at the same time and a power switch that turns on and off only the main power are provided, and the power switch of each part is controlled by the microcomputer of each part. The power supply switches of both the video display unit and the display unit are controlled by the input signal of 1., and the power supply switches of both the video display unit and the display unit are controlled by the input signal from the remote controller by the microcomputer of the display unit. Item 1. A panel-type image display device according to item 1.