JPH07333575A - Lcd panel display device - Google Patents

Abstract

PURPOSE:To provide an LCD panel display device capable of setting up plural display parts in less set-up space and simplifying the wiring of power source. CONSTITUTION:This device is provided with a base block part 12 provided with a power source unit 14 and a connector connected to the output side of the power source unit 14, an LCD panel performing a display, a control part controlling the display on the LCD panel, an Ag plated terminal for inputting the power source and a display part 10 provided with the connector outputting the power source inputted from the Ag plated terminal, and the display part 10 is set up on the base block part 12, and the power source of the display part 10 is supplied from the connector.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an LCD panel display device, and more particularly to its structure.

[0002]

2. Description of the Related Art As a conventional LCD panel display device,
In some cases, a CD panel and a control unit including a CPU, a memory, an LCD control unit, an I / O control unit, and the like are separate housings, each of which has a power supply unit. In some cases, the LCD panel and the control unit including a CPU, a memory, an LCD control unit, an I / O control unit, and the like are in the same housing, and an external power supply adapter is provided to supply power. In some cases, the LCD panel, the control unit including the CPU, the memory, the LCD control unit, the I / O control unit, and the like, and the power supply unit have the same housing. The housings of these conventional LCD panel display devices have not been constructed so that a plurality of LCD panel display devices are installed vertically.

[0003]

In the conventional LCD panel display device as described above, when a plurality of LCD panel display devices are placed on a counter or the like and installed as an information display device, the LCD panel display device is used. Since it will be placed side by side, it will take up installation space, and also
Since each of the plurality of LCD panel display devices has its own power source, there is a problem that the wiring of the power source becomes complicated.

[0004]

An LCD according to the first invention.
The panel display device includes a pedestal portion having a power supply unit and a first connector connected to an output side of the power supply unit, an LCD panel for displaying, a control unit for controlling display on the LCD panel, and a power supply for inputting. And a display section having a second connector for outputting power input from the terminal or connector, the display section is installed on the pedestal section, and the power source of the display section is the first connector. It is supplied by.

An LCD panel display device according to a second aspect of the present invention is a pedestal portion having a power supply unit and a first connector connected to an output side of the power supply unit, and an LCD for displaying.
Control means for controlling display on the panel and LCD panel,
A display unit having a terminal or connector for inputting a power source and a second connector for outputting a power source input from the terminal or the connector, and installing two or more display units on the pedestal unit. The terminals or connectors of the first-stage display unit are connected to the first connector of the pedestal unit, and the terminals or connectors of the second-stage and subsequent display units are the second connectors of the display unit arranged therebelow. Is connected to the display unit, and power is supplied to each display unit.

In the LCD panel display device according to the third aspect of the present invention, the display section has a power switch for controlling the supply of power input from the terminal or the connector to the control means. In the LCD panel display device according to the fourth aspect of the present invention, the first connector or the second connector has a pin array facing each other and arranged in the opposite direction.

In the LCD panel display device according to the fifth invention, display data to be displayed on the LCD panel is further input to the pedestal portion, and the display data is transmitted to the display portion via the first connector or the second connector. Power is supplied together with the power. In the LCD panel display device according to the sixth aspect, the terminal or the connector is provided in a lower portion of the display unit, the second connector is provided in an upper portion of the display unit, and the terminal or the connector is provided in the display unit. It is connected to the first connector or the second connector and is fixed to the pedestal portion or the display portion arranged below the pedestal portion.

[0008]

In the first invention, the pedestal part has a power supply unit and a first connector connected to the output side of the power supply unit, and the display part is an LCD panel for displaying.
The display unit is provided on the pedestal unit, which has a control means for controlling display on the panel, a terminal or connector for inputting power, and a second connector for outputting power input from the terminal or connector. It is installed and the power of the display unit is supplied from the first connector.

In the second invention, the pedestal part has a power supply unit and a first connector connected to the output side of the power supply unit, and the display part is an LCD panel for displaying, L
It has a control means for controlling the display on the CD panel, a terminal or connector for inputting power, and a second connector for outputting the power input from the terminal or connector, and the display part is provided on the pedestal part. Two or more units are stacked, the terminals or connectors of the first-stage display section are connected to the first connector of the pedestal section, and the terminals or connectors of the second-stage and subsequent display sections are arranged underneath. Is connected to the second connector of the display unit, and power is supplied to each display unit.

In the third invention, the display portion has a power switch for controlling the supply of the power input from the terminal or the connector to the control means. In the fourth aspect of the invention, the first connector or the second connector has a pin array facing each other and arranged in the opposite direction.

In the fifth invention, the pedestal portion is further inputted with display data to be displayed on the LCD panel, and the display data is supplied to the display portion together with the power source through the first connector or the second connector. It In the sixth invention, the terminal or the connector is provided in a lower portion of the display portion, the second connector is provided in an upper portion of the display portion, and the display portion is
The terminal or connector is connected to the first connector or the second connector, and is fixed to the pedestal portion or the display portion arranged below the pedestal portion.

[0012]

【Example】

Example 1. FIG. 1 is a perspective view showing an appearance of an LCD panel display device according to an embodiment of the present invention. In the figure, 10
Is a display unit in which an LCD panel and a control unit including a CPU, a memory, an LCD control unit, an I / O control unit, and the like are in the same housing, and the display unit 10 is a portion below the housing. The upper part can be removed respectively, and when the lower part of the housing is removed, there is a gold-plated terminal inside, and power can be supplied from here. When the part of is removed, there is a connector for supplying the power supplied from the gold-plated terminal part to the outside, and when another display part 10 is superposed on the display part 10 from here, another display part is displayed. Power is supplied to 10. Reference numeral 12 denotes a pedestal portion for supporting the display portion 10 so as not to fall, and the pedestal portion 12 is provided with a power supply unit 14 for supplying power to the display portion 10 via a connector provided on the pedestal portion 12. ing. Reference numeral 16 is an AC cable connected to an external AC outlet, and 18 is a power switch of the display unit 10. The display unit 10 can be detached from the pedestal unit 12.

Next, the display section 10 and the pedestal section 12 with the power source of the LCD panel display device of this embodiment will be described. 2 is a perspective view showing the external appearance of the pedestal portion 12 with a power source of this embodiment, and FIG. 3 is a perspective view showing the external appearance of the display portion 10 of this embodiment. In the figure, 20 is a connector that is provided on the pedestal portion 12, supplies power to the display portion 10, and 30 is an LC.
D panel, 32 is a control unit (a substrate on which a CPU, memory, LCD control unit, I / O control unit, etc. are mounted), 34 is a DC input gold-plated terminal to which power is supplied from the pedestal 12 with a power supply, and 36 is DC Output connector,
Reference numeral 38 is a housing, and 40 is an upper portion of the detachable housing.

As shown in FIG. 2, a connector 20 for supplying power to the display unit 10 is attached to the pedestal portion 12 with a power source, and the connector 20 is mounted on the pedestal portion 12 with a power source. It is connected to the DC output section of the power supply unit 14, and DC power is supplied by connecting the AC cable 16 to an external AC outlet. In addition, as shown in FIG.
The lower part is provided with a DC input gold-plated terminal 34, and when the display part 10 is stacked on the pedestal 12 with a power source, the gold-plated terminal 34 can be inserted into the connector 20 of the pedestal part 12 with a power source. The display unit 10 is supplied with power from the connector 20.

Further, the detachable housing upper portion 40 of the display unit 10
When removed, the same connector 20 provided on the pedestal 12 with a power supply is attached at the same place.
The pin assignment of the connector 36 is also the same as that of the connector 20 of the pedestal 12 with a power source, and the gold-plated terminals 34 in the lower part of the display unit 10 are connected by a board or a cable. .

Therefore, in this embodiment, the display unit 10 is stacked on the pedestal unit 12 with a power source.
By detaching the upper part of the casing, another display unit 10 can be further stacked. The power source of the other display unit 10 is the connector 20 of the pedestal unit 12 with a power source and the gold-plated terminal 3 of the lower display unit 10.
4 and the connector 36 of the lower display unit 10 to supply power from the power supply unit 14. FIG. 4 is a perspective view showing the appearance of an LCD panel display device in which two display units 10 are stacked on the pedestal unit 12 with a power source as described above.

Next, the power switch 18 of the display unit 10 will be described. FIG. 5 is an explanatory diagram for explaining the connection of the power source in the display unit 10. In the figure, reference numeral 50 denotes a power supply control unit, and the power supply control unit 50 interlocks with the power supply switch 18 to supply power to the control unit 32 when turned on and shut off the power supply when turned off. ing. Further, the power control unit 50 is designed so that chattering, which is noise when mechanically contacted, does not occur when turned on.

The power switch 18 is provided on the display unit 10 between the gold-plated terminals 34 and the LCD panel 30 and the control unit 32. When the power switch 18 is turned on, the LCD panel 30 and the control unit 32 are turned on. It supplies power and performs operations such as displaying information. Further, this power is supplied by three power lines of + 12V, + 5V, and GND, and the power control unit 50 is + 12V,
The supply of power to the LCD panel 30 and the control unit 32 is controlled by connecting and disconnecting + 5V.

Further, by turning off the power switch 18, the power supply to the LCD panel 30 and the control section 32 is cut off. That is, in the state where the two display units 10 are stacked on the pedestal unit 12 with a power source, the upper and lower display units 10 can individually control the ON / OFF operation of the power source by the respective power switches 18.

Next, a reset circuit is provided as a circuit for preventing chattering of the power switch 18, and the power control unit 5
Items prepared for 0 will be described. FIG. 6 is an explanatory diagram for explaining connection of another power supply in the display unit 10, and FIG. 7 is a circuit diagram showing an example of a reset circuit. In the figure, 52
Is a reset circuit in the power control unit 50, and a power supply line + 5VS for power supply of the reset circuit is provided from the gold-plated terminal 34. This + 5VS can also be shared with + 5V supplied from the gold-plated terminal 34. 60 is a circuit for removing the influence of chattering,
62 is a timer circuit for measuring a predetermined time, 64 is an IC or LSI of the control unit 32 according to the output from the timer circuit.
A flip-flop circuit that outputs a reset control signal to the timer circuit 66, a timer circuit 62 and a flip-flop circuit 6
4 is a crystal oscillator that outputs a clock, and power is supplied to each circuit from + 5VS.

The reset circuit 52 is supplied with a + 5V power supply to the control unit 32, and outputs a reset control signal to the IC and LSI of the control unit 32 at the time when chattering occurs to reset it. , Timer circuit 62
After the elapse of the predetermined time set to
The reset to C, LSI is released, and when the power switch 18 is operated, the IC, L of the control unit 32 is set at the time when chattering occurs due to the switching.
The SI is reset, and the reset is released when the power supply becomes stable after a sufficient time elapses, so that the display unit 10 can be stably operated.

Further, since the display unit 10 of this embodiment has a structure in which the same shapes are stacked, the power supply capacity of the power supply unit 14 built in the pedestal unit 12 with a power supply and the actual installation time. If the height limitation is not taken into consideration, it is possible to stack multiple layers structurally. Regarding the fixation between the display units 10 when the display units 10 are stacked in several layers, they can be fixed from the left and right of the display unit 10 by using screws or the like with a reinforcing plate, or from one of the front and rear, or both. It becomes excellent in strength by fixing it with screws. Also,
It is also possible to provide a claw on one side and a groove on the other side of the housing of the display unit 10 so that they can be engaged with each other and fixed. In this case, the work at the time of expansion is simple and the appearance is good.

In this embodiment, the display units 10 can be stacked and installed on the pedestal unit 12 with a power supply in a number of stages, and a plurality of display units 10 can be installed without taking up an installation space. Is possible. Further, when it is necessary to install two LCD panel display devices in the place where one LCD panel display device was originally installed, from a certain time, it is removed from the upper part of the housing of the display unit 10 and a new one is installed on top of it. It is possible to easily add more by simply installing the display unit 10.

In this embodiment, the display data displayed on the LCD panel 30 is either stored inside the display unit 10 or input from outside the display unit 10, and is stored inside the display unit 10. In that case, when the power switch 18 of the display unit 10 is turned on by the data, the stored data is displayed on the LCD panel 30.

When display data is input from the outside of the display unit 10 and the input data is used to display on the LCD panel 30, the power switch 18 of the display unit 10 is turned on and the display data is input from the outside. Is entered,
Based on the input display data, the LCD panel 3
The display is set to 0. When the display data is input from the outside, the display unit 10 is provided with a communication terminal or the like, for example, a LAN signal terminal.
Display data is input from this LAN signal terminal.

Further, a LAN signal terminal is provided on the pedestal portion 12 with a power source, the LAN signal terminal is connected to the outside, and the display portion 10 is connected with the power source through the connector 20. Even when installed, it is only necessary to wire the pedestal part 12 with a power supply from the outside, and it is not necessary to wire the display data to each display part 10, and the wiring of the display part can be simplified. Becomes Also, the display data can be sent to the display unit 10 using a wireless LAN. In this case, each display unit 10
Incorporating a wireless LAN antenna into the display unit 10,
Display data is received via the built-in antenna, and display is performed on the LCD panel based on the received data. As described above, it is possible to simplify the wiring of the display unit by eliminating the wiring for exchanging the display data.

Example 2. In this embodiment, the pin assignment of the connector 20 of the pedestal portion 12 with a power supply does not change even if rotated by 180 °, so that the display unit 10 can be installed even when rotated by 180 °. Therefore, the display unit 10 can be stacked on the pedestal 12 with a power source regardless of whether the display surface of the LCD panel 30 faces the front or the back. 8 is a perspective view showing the external appearance of the pedestal portion 12 with a power supply of this embodiment, and FIG. 9 is a perspective view showing the external appearance of the display unit 10 of this embodiment.

In this embodiment, as shown in FIG. 8, in the center of the stacked portion of the display unit 10 of the pedestal unit 12 with a power source,
A connector 20 for supplying power to the display unit 10 is arranged. As shown in FIG. 9, when the display unit 10 is installed on the pedestal 12 with a power source, the connector 20 is pierced by the gold plated terminal 34. Is provided in the central part,
A DC output connector 36 for supplying power is also arranged in the central portion when a plurality of display units 10 are placed on top of each other. In addition, the connector 20 of the pedestal portion 12 with a power source
Has a pin assignment such that power can be supplied whether the display unit 10 is installed so that the display surface of the LCD panel 30 faces the front or faces the back surface. .

Next, the pin assignment of the connector 20 will be described. 10 is an explanatory view for explaining an example of pin assignment of the connector 20, and FIG. 11 is a connector 20.
Explanatory diagram for explaining another example of the pin assignment of FIG.
2 is an explanatory diagram for explaining another example of pin assignment of the connector 20. FIG. As shown in FIG. 10, + 12V, +
Even if the 5V, GND pin assignment is rotated 180 °, it does not change. As a result, the display units 10 to be stacked can be stacked either in the front facing direction or the rear facing direction, and power can be supplied to each of the display units 10.

Further, as in the first embodiment, the reset circuit 52 is provided in the power supply controller 50, and the reset circuit 52 is provided.
When a + 5VS pin is provided as a power supply to the power source, for example, as shown in FIG. 11, + 12V, + 5V, + 5VS, G
By allocating the ND pin, power can be supplied even if the orientation of the display unit 10 changes by 180 °.

Further, as in the first embodiment, a LAN signal terminal is provided on the pedestal 12 with a power source, the LAN signal terminal is connected to the outside, and a signal input from the LAN signal terminal is sent to the display section 10. , LAN signal pins are provided, for example, as shown in FIG. 12, + 12V, + 5V, +
By allocating 5VS, LAN signals, and GND pins, it becomes possible to supply power even when the orientation of the display unit 10 changes by 180 °.

In FIG. 12, the + 5VS pin is provided, but it need not be provided if it is shared by + 5V as in the first embodiment. Further, the power supply pin and the LAN signal pin are arranged so that the LAN signal pin is sandwiched between GND pins so that the LAN signal is not affected by noise. In addition, a connector 3 provided on the upper portion of the display unit 10 for supplying power to the other display unit 10.
6 also has the same pin assignment as the connector 20.

By using such a connector 20,
Power can be supplied regardless of the installation direction of the display unit 10. For example, the pedestal unit 12 with a power supply is installed on the counter, the two display units 10 are stacked on top of each other, and the upper display unit 10 is The display unit 10 in the lower stage can be installed facing the back for the operator in the counter and facing the front for the third person coming to the counter. FIG. 13 is a perspective view showing the appearance of the LCD panel display device having the display unit 10 installed in this way. Note that, in FIG. 13, as an example, the upper stage faces the back side and the lower stage faces the front. However, if the power supply unit 14 is thin and built in the pedestal, the upper stage faces the front side and the lower stage faces. It is also possible to stack with the back side facing.

In this embodiment, since the display unit 10 can be freely stacked on the pedestal unit 12 with a power source either in the front facing direction or the rear facing direction, a plurality of display units 10 can be flexibly formed in a small space. It is possible to stack.

In the first and second embodiments, the display unit 1
A connector as an output part for the supply of power to 0,
Although the gold-plated terminal is used as the input portion for receiving the power supply, the invention is not limited to this, and a conductive terminal may be used. Also, for both the output part and the input part,
It goes without saying that the display unit 10 and the pedestal unit 12 with a power source can be connected by adopting a connector that can be fitted.

[0036]

As described above, according to the first aspect of the invention, the power source unit and the first side connected to the output side of the power source unit
A pedestal having a connector, an LCD panel for displaying, a control means for controlling display on the LCD panel, a terminal or connector for inputting power, and a second for outputting power input from the terminal or connector And a display unit having a connector, and the display unit is installed on the pedestal unit,
Since the power of the display unit is supplied from the first connector, it is easy to add another display unit by placing the display unit on the pedestal unit and then stacking another display unit on the display unit. It has the effect that

According to the second invention, the pedestal portion having the power supply unit and the first connector connected to the output side of the power supply unit, the LCD panel for displaying, and the control means for controlling the display on the LCD panel. A display unit having a terminal or connector for inputting power and a second connector for outputting power input from the terminal or connector, and installing two or more display units on the pedestal unit. Then 1
The terminal or connector of the display section of the second stage is connected to the first connector of the pedestal section, and the terminal or connector of the display section of the second and subsequent stages is connected to the second connector of the display section arranged below it. Since the power is supplied to each display unit, it is possible to easily stack the display units on the pedestal unit, so it is possible to install multiple display units without taking up an installation space. Moreover, since the power is supplied from the first connector or the second connector, there is an effect that the power supply of the display unit and its wiring can be omitted.

According to the third aspect of the invention, the display section has the power switch for controlling the supply of the power input from the terminal or the connector to the control means. The power supply can be controlled, and even if a plurality of display units are installed, the power can be turned on / off separately. According to the fourth aspect of the invention, the first connector or the second connector has the pin arrangement facing each other and arranged in the opposite direction. Therefore, even if the display unit is rotated by 180 ° and installed. The effect is that power can be supplied to the display unit.

According to the fifth invention, the pedestal further comprises:
Since the display data to be displayed on the LCD panel is input and the display data is supplied to the display unit together with the power supply via the first connector or the second connector, it is only necessary to input the display data to the pedestal unit. The display data can be supplied to each display unit, and the communication line for transmitting the display data can be omitted. According to the sixth aspect, the terminal or the connector is provided in the lower part of the display unit, the second connector is provided in the upper part of the display unit, and the display unit uses the terminal or the connector as the first connector or Since it is connected to the second connector and is fixed to the pedestal portion or the display portion arranged below the pedestal portion, the display portion can be fixed with a simple configuration.

[Brief description of drawings]

FIG. 1 is a perspective view showing an appearance of an LCD panel display device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing an appearance of a pedestal portion 12 with a power supply according to the first embodiment.

FIG. 3 is a perspective view showing an appearance of the display unit 10 according to the first embodiment.

FIG. 4 is a perspective view showing the external appearance of the LCD panel display device according to the first embodiment.

5 is an explanatory diagram for explaining the connection of the power source in the display unit 10. FIG.

6 is an explanatory diagram for explaining connection of another power source in the display unit 10. FIG.

FIG. 7 is a circuit diagram showing an example of a reset circuit.

FIG. 8 is a perspective view showing an appearance of a pedestal portion with a power supply 12 according to a second embodiment.

FIG. 9 is a perspective view showing the external appearance of the display unit 10 according to the second embodiment.

10 is an explanatory diagram for explaining an example of pin assignment of the connector 20. FIG.

FIG. 11 is an explanatory diagram for explaining another example of pin assignment of the connector 20.

FIG. 12 is an explanatory diagram for explaining another example of pin assignment of the connector 20.

FIG. 13 is a perspective view showing an appearance of an LCD panel display device according to a second embodiment.

[Explanation of symbols]

 10 display section 12 pedestal section 14 power supply unit 18 power switch 20 connector (first connector) 30 LCD panel 32 control section 34 gold-plated terminal (terminal or connector) 36 connector (second connector)

Claims (6)

[Claims] 1. A pedestal part having a power supply unit and a first connector connected to the output side of the power supply unit, an LCD panel for displaying, a control means for controlling display on the LCD panel, and a power input And a display unit having a second connector for outputting power input from the terminal or connector, and the display unit is installed on the pedestal unit. The LCD panel display device is characterized in that power is supplied from the first connector. 2. A pedestal part having a power supply unit and a first connector connected to the output side of the power supply unit, an LCD panel for displaying, a control means for controlling display on the LCD panel, and a power supply input. And a display unit having a second connector for outputting power input from the terminal or connector, and two or more display units are installed on the pedestal unit in a stacked manner. The terminals or connectors of the first-stage display unit are connected to the first connector of the pedestal unit, and the terminals or connectors of the second-stage and subsequent display units are the second connectors of the display unit disposed therebelow. An LCD panel display device, characterized in that it is connected to a connector and power is supplied to each display section. 3. The LCD panel display device according to claim 1, wherein the display unit has a power switch for controlling supply of power input from the terminal or connector to the control means. 4. The LCD according to claim 1, 2 or 3, wherein the first connector or the second connector has a pin array facing each other and arranged in the opposite direction.
Panel display device. 5. The pedestal portion further receives display data to be displayed on the LCD panel, and the display data is supplied to the display portion together with a power source via the first connector or the second connector. The LCD panel display device according to claim 1, 2, 3, or 4, wherein the LCD panel display device is a display device. 6. The terminal or connector is provided in a lower portion of the display portion, the second connector is provided in an upper portion of the display portion, and the display portion has its terminal or connector in the first portion. 5. The connector is connected to the connector or the second connector, and is fixed to the pedestal portion or a display portion arranged below the pedestal portion.
Alternatively, the LCD panel display device according to item 5.