WO2007122705A1

WO2007122705A1 - Plasma light emitting tube display device

Info

Publication number: WO2007122705A1
Application number: PCT/JP2006/308220
Authority: WO
Inventors: Kenji Awamoto; Manabu Ishimoto; Hitoshi Hirakawa; Koji Shinohe; Yosuke Yamazaki
Original assignee: Shinoda Plasma Corporation
Priority date: 2006-04-19
Filing date: 2006-04-19
Publication date: 2007-11-01
Also published as: JPWO2007122705A1

Abstract

A plasma light emitting tube display device is formed by a plasma light emitting tube module of a size smaller than a screen size of the plasma light emitting tube display device and includes a container for containing a plurality of the plasma light emitting tube modules and a travel unit for arranging the plasma light emitting tube modules in the container. The plasma light emitting modules arranged on the travel unit are connected to one another so as to form a large-screen plasma light emitting tube display device. Accordingly, when carrying the device, it can be contained in a size corresponding to the plasma light emitting tube module, which facilitates carrying and prevents damage on the screen.

Description

Specification

Plasma arc tube display

Technical field

TECHNICAL FIELD [0001] The present invention relates to a plasma arc tube display device using a thin and long plasma arc tube.

. More specifically, a plurality of plasma arc tube modules having a plurality of plasma arc tubes arranged parallel to each other and in a planar shape are used, and the plurality of plasma arc tube modules are stored compactly during transportation or storage. The present invention relates to a plasma arc tube display device capable of forming a screen by simply arranging a plurality of plasma arc tube modules in a planar shape at the time of display.

Background art

[0002] Japanese Patent Application Laid-Open No. 2003-286043 discloses that a large-sized image display device that performs self-light emission is configured by arranging a plurality of plasma light-emitting tubes using the principle of plasma display. And so on.

[0003] A plasma arc tube display device using the principle of this plasma display has a large screen by arranging a plurality of elongated plasma arc tubes in a plurality of planes without using a large device. A self-luminous display device can be realized.

Patent Document 1: Japanese Patent Application Laid-Open No. 2003-286043

Disclosure of the invention

Problems to be solved by the invention

[0004] Plasma displays manufactured using one glass substrate each for the front substrate and the back substrate are manufactured with a diagonal distance of about 100 inches. With a display having such a screen size, the product can be transported relatively easily. However, in the plasma arc tube display device using this plasma arc tube, for example, even if the screen size is about 1.5 m in length and 3 m in width, by arranging multiple plasma arc tubes with a length of 1.5 m, Power that can be easily manufactured This vertical and horizontal 1.5m x 3m display screen size display device can be transported as it is, from the viewpoint of transport cost and screen protection. It is not preferable. Therefore, a large image using the plasma arc tube described above. Even for a surface-sized plasma arc tube display device, a plasma arc tube display device that can be easily transported and has a low risk of screen damage or the like was an issue.

Means for solving the problem

[0005] In order to solve the above-mentioned problems, the present inventors have eagerly studied the transportation of a large-screen plasma arc tube display device, and the large-screen plasma arc tube display device has been divided into a plurality of small-screen plasma emission modes. A plurality of plasma arc tube modules are stored in a unit, and the plasma arc tube module is pulled out from this unit at the customer's site, and the plasma contained in each plasma arc tube module is stored. The idea was that the arc tube module could be easily combined into a single large screen, making it easier to transport and preventing damage to the screen.

[0006] In one aspect of the present invention, a plasma arc tube display device includes: a plurality of plasma arc tube modules; a storage unit that stores a shift between the plurality of plasma arc tube modules; A plurality of plasma arc tube modules arranged in parallel with each other and arranged in a plane. The guide part for guiding by the guide part is provided, and the storage guide part guides movement of the guide part of the plasma arc tube module stored in the storage part by the guide part. The plasma arc tube modules are arranged on the same plane.

[0007] The storage unit may store at least two or more plasma arc tube modules.

Furthermore, it is preferable that the storage guide portion is configured to be fixed to the storage guide portion when the plurality of plasma arc tube modules move to a predetermined position of the guide portion.

[0008] Furthermore, it is also preferable that the plurality of plasma arc tube modules have a connection portion that is electrically connected to each other when arranged on the same plane.

The invention's effect

[0009] The plasma arc tube display device of the present invention is based on the screen size of the plasma arc tube display device. The plasma arc tube module has a small size, and a unit for storing a plurality of each of the plasma arc tube modules is provided, and a traveling unit for arranging the plasma arc tube modules is provided in the unit. Since the plasma arc tube modules arranged on each other are connected to each other to form a plasma arc tube display device with a large screen, it can be stored in a size equivalent to the plasma arc tube module when transported. This makes it easier to prevent damage to the screen and makes it possible to easily assemble a large-screen plasma tube display device at the installation location.

Brief Description of Drawings

FIG. 1 is a schematic view showing details of a plasma arc tube module constituting a plasma arc tube display device.

[FIG. 2] FIG. 2 is a diagram showing an outline of a plasma arc tube module and a storage guide portion exemplarily showing a case where there are two plasma arc tube modules.

FIG. 3 is a schematic diagram showing electrical connection between plasma arc tube modules.

[FIG. 4] FIG. 4 is a schematic diagram showing mechanical connection of the plasma arc tube module.

FIG. 5 is a schematic diagram showing electrical connection between plasma arc tube modules.

FIG. 6 is a diagram showing details of the guide portion.

FIG. 7A is a diagram showing a configuration of fixing means for fixing the plasma arc tube module provided in the guide portion, and FIG. 7B is a diagram showing a cross-sectional view.

[FIG. 8] FIG. 8 is a schematic diagram showing an example of a traveling portion of the storage guide portion.

FIG. 9 is a schematic diagram showing a configuration of a plasma arc tube display device.

FIG. 10 is a schematic diagram showing an example of a storage guide section.

FIG. 11 is a schematic diagram of another example of the accommodation guide section.

FIG. 12 is a schematic view showing an example in which the storage guide part is used as a part of the plasma arc tube display device.

FIG. 13 is a schematic block diagram showing an electrical configuration of a plasma arc tube display device. BEST MODE FOR CARRYING OUT THE INVENTION

[0011] The best mode for carrying out the present invention will be described below. In this embodiment, the arc tube The cross-sectional shape is mainly rectangular (the long side is lmm, the short side is 0.5mm, and the wall thickness is 100m), but the cross-sectional shape may be circular or elliptical. . Further, even in the case of a rectangular cross section, the dimensions are not limited to the above. FIG. 1 exemplarily shows the case where two plasma arc tube modules 10 are used. The back frame 40 provided on the back substrate 30 side of each plasma arc tube module 10 is fixed by a fixing screw 52 (see FIG. 4), and is provided on each front substrate 20 of the plasma arc tube module 10. The display electrode pair 24 is electrically connected by a connecting portion 50. As with the front substrate 20, the rear substrate 30 also has an extra length that protrudes from the rear frame 40 in order to connect to a circuit (not shown). The long part is omitted.

The plasma arc tube 1 constituting the plasma arc tube module 10 has a rectangular cross section, and a protective film (for example, an MgO film, not shown) is formed on the tube wall. Further, the phosphor Layer 2 is disposed, and a discharge gas (for example, a mixed gas of Xe gas and Ne gas, not shown) is sealed, and both ends of the plasma arc tube 1 are sealed. A large number of plasma light emitting tubes 1 are arranged, and a front substrate 20 is disposed on the front side of the plasma arc tube 1, and a rear substrate 30 is disposed on the rear side. It is attached to the plasma arc tube 1 via. A display electrode pair 24 is formed on the surface of the front substrate 20 where the base film 22 is in contact with the plasma tube 1. As the base film 22, a transparent film is used in order to facilitate the transmission of the light emitted from the plasma arc tube 1. In Example 1, a film of polyethylene terephthalate (PET) having a thickness of 120 m is used. The material of the base film 22 is not limited to PET, and is soft to facilitate application along the plasma arc tube 1, and is transparent and constitutes the display electrode pair 24 formed on the base film 22. Any material can be used as long as it can form a transparent electrode (for example, an ITO film or a NESA film), a metal electrode, a metal mesh electrode, or the like. The thickness is not limited to 120 / z m.

An address electrode 34 is formed on the base film 32 of the back substrate 30. The address electrode 34 has a width of 200 μm and a thickness of 20 μm from the copper plating, and is arranged so as to be in contact with the lower part of the plasma arc tube 1 along the longitudinal direction of each plasma arc tube 1. Yes. In addition, add In addition to forming the electrode 34 by plating, it may be formed of a conductive paste by a printing method, and a metal layer such as a copper foil adhered to the base film 32 is etched to form an address of a desired shape. A method of forming the electrode 34 may be used.

[0014] The phosphor layer 2 formed in the plasma arc tube 1 is formed with a phosphor corresponding to the emission color of the plasma arc tube 1. For example, the plasma arc tube 1 emits red light and emits green light. A plasma arc tube 1 that emits light and a plasma arc tube 1 that emits blue light are arranged in this order.

A back frame 40 is attached to one surface of the back substrate 30. The back frame 40 and the back substrate 30 may be attached by bonding the whole surface, or may be partially fixed. In addition, the end portion of the back frame 40 in the vicinity of the plasma arc tube module 10 that is adjacent to the plasma arc tube module 10 has a curved portion 42 or a chamfer, and the back frame 40 has an L shape. Has been processed.

[0016] In the front substrate 20 described above, the folded portion 26 is bent toward the rear substrate 30 in the vicinity of the adjacent plasma arc tube module 10, and each display electrode pair of the adjacent plasma arc tube module 10 is folded. 24 are electrically connected.

Next, with reference to FIG. 2, the configuration of the storage guide unit 100 and the plasma arc tube module 10 which are characteristic parts of the present invention will be described. In FIG. 2, two plasma arc tube modules 10 are used. The force used is not limited to this number. The storage guide portion 100 has a storage portion 130 on the back side, and the right side plasma arc tube module 10 shown in FIG. Tube modules 10 are arranged. The plasma arc tube module 10 is provided with at least two guides 110 that are pivotally attached to each plasma arc tube module 10, and these guides 110 are arranged in the storage guide portion 100. It is arranged on the guide part 120.

Next, with reference to FIG. 3 and FIG. 4, the electrical connection of the display electrode pair 24 of the plasma arc tube module 10 will be described. FIG. 3 shows the vicinity between the two plasma arc tube modules 10, and the display electrode pair 24 provided on the front substrate 20 is overlapped and electrically connected at the connection portion 50. As shown in FIG. 4 as viewed from the back side of the plasma arc tube module 10, the connection part 50 has the rear frame 40 fixed to each other by a fixing screw 52 V, so that the electrical connection between each display electrode pair 24 is made. Prevent it from coming off. FIG. 4 shows a configuration in which the electrical connection of each plasma arc tube module 10 is directly conducted between the display electrode pair 24 at the connection portion 50 and fixed with the fixing screw 52. Figure 5 shows another electrical connection method between the display electrode pair 24. In FIG. 5, the end of the back frame 40 is covered in a U shape, and a male connector 56 is placed on one end of the U shape, and a female connector 58 is placed on one end of the U shape on the other back frame 40. The conductors 60 and 62 are connected to the display electrode pair 24 of the front substrate 20 and the conductors 57 and 63, respectively. As shown in FIG. 2, when the plasma arc tube module 10 is moved and brought close to each other, the male connector 56 and the female connector 58 are connected to the male connector 56 and the female connector 58, respectively. The tip fits. In the method using this connector, the fixing screw 52 shown in FIG. 4 can be omitted.

Next, with reference to FIGS. 6A and 6B, the configuration of the plasma arc tube module 10, the guide 110, and the guide portion 120 in the storage guide portion 100 (see FIG. 2) will be described. The back frame 40 of the plasma arc tube module 10 has an upper end bent into an L shape. The guide 110 is pivotally attached to the bent portion by a pin 116 and a stopper 118 such as an E ring (see FIG. 6B). A roller 122 is pivotally attached to the other end of the guide 110 by a shaft 112 and a stopper 114 such as an E-ring. As described above, the roller 122 is configured such that the back frame 40 and the guide 110 are rotatably pivoted, so that the roller 122 can freely travel in the groove portion of the guide portion 120.

Next, with reference to FIGS. 7A and 7B, a description will be given of a configuration in which when the plasma arc tube module 10 moves to a predetermined position, the plasma arc tube module 10 is fixed at that position. When moved to a predetermined position (a position where the plasma arc tube modules 10 shown in FIG. 2 are electrically connected to each other to constitute a large screen), the roller 122 is inserted into the recess 203 provided on the bottom surface side of the guide portion 120. Fit. By fitting the roller 122 in the recess 203, the plasma arc tube module 10 is positioned with respect to the guide 120. Then, by rotating a knob 210 provided at the upper end of the storage guide 100, a screw 212 presses the shaft 202, and a holding block having a recess 201 provided at one end of the shaft 202. 200 force The upper part of the roller 122 is pressed, and the roller 122 is fixed in this position. Also, the force that the compression spring 204 is arranged around the shaft 202 is This is to prevent the holding block 200 from falling downward when the plasma arc tube module 10 is fixed.

Next, the main part of the guide part 120 in the storage guide part 100 will be described with reference to FIG. FIG. 8 is a plan view of the guide 120 when the upward force is seen. 120A shows a groove portion when the plasma arc tube module 10 is aligned in a planar shape, and 120B accommodates the plasma arc tube module 10. The groove portion in the storage portion 130 is shown (see FIG. 2). There is a groove 120C between the grooves 120B and 120A, and a gap 120D is formed at a location where the grooves 120A and 120C intersect. This gap 120D is for passing the guide 110 through the gap 120D when the plasma arc tube module 10 housed in the housing part 130 (see FIG. 2) is moved along the arrow A. . The plasma arc tube module 10 is moved in the directions of arrow A and arrow C, the two guides 110 are moved to the groove 120A, and then the plasma arc tube module 10 is moved in the direction of arrow B to be already arranged in the groove 120A. The plasma arc tube module 10 is electrically connected to the plasma arc tube module 10 shown in FIG. 4 or FIG. 5, and the two plasma arc tube modules 10 are arranged in a plane as shown in FIG.

[0023] When the plasma arc tube module 10 is accommodated in the accommodating portion 130, the previous electrical connection is released, the plasma arc tube module 10 is moved to the arrow C, and the two guides 110 provide the gap 120D. After the crossing is completed, the plasma arc tube module 10 is moved in the direction of arrow D.

[0024]

Next, the connection between the plasma arc tube display device 700 and the electric unit will be described with reference to FIG. FIG. 9 shows a state in which two plasma arc tube modules 10 are suspended from the storage guide 100. At the end of each plasma arc tube module 10 is a driver circuit applied to the display electrode pair 24 shown in FIG. The power supply and control signals to the drive circuit units 610 and 612 are transmitted by lines 602, 604, and 606 from the common circuit unit 600. As shown in the figure, the wiring from the common circuit board 600 is disposed in the storage guide portion 100. The application signal of the address electrode 34 shown in FIG. 1 is not shown in FIG. 9, but may be arranged in the storage guide 100 or in the lower part of FIG. Next, the storage guide unit 300 will be described with reference to FIG. This storage guide unit 300 is similar to the storage guide unit 100 shown in FIG. 2 in that it has storage units 330 and 310 for storing the plasma arc tube module 10, but the storage guide unit 300 is guided by the hinge 330A. It is divided into 310 and 320, and the guide part can be folded in the direction of the arrow shown in the figure. Since the storage guide section 300 is configured in this way, it can be stored and packed smaller when the plasma arc tube display device is transported.

[0026] Fig. 11 shows that the guide part of the storage guide part 450 is constituted by 452, 454, 456, and each guide part is rotatably connected by a hinge 459 or the like. Three tube modules 10 can be arranged. In this case, two plasma arc tube modules 10 can be stored in the storage section 458.

FIG. 12 shows an example in which the guide storage unit 300 is used as a frame of a plasma arc tube display device. Frames 600 on both ends of the guide storage 300. 610 is disposed, and frames 620 and 630 are disposed below the plasma arc tube module 10. In this way, the storage guide 300 used for conveyance can also be used as a part of the casing of the plasma arc tube display device. Furthermore, the common circuit unit 600 and the like described in FIG. 9 can be arranged in the frame 610, for example.

FIG. 13 is a schematic block diagram showing an electrical configuration of the plasma arc tube display device 700 when one plasma arc tube module 10 is used as the plasma arc tube display device described above.

[0029] A driving unit 500 is connected to the plasma arc tube display device 700. In this embodiment, the display electrode pairs 24 extend in the row direction of the display screen, and each display electrode pair 24 is a scan Z sustain electrode. It consists of a pair of Y and sustain electrode X. The area where the display electrode pair 24 and the address electrode 34 intersect is called a cell, and the scan Z sustain electrode Y is used to select a cell to emit light by discharge between the display electrode pair 24 in each cell. It is used as a scan electrode for selecting cells in row units. The address electrode 34 extends in the column direction and is used as an electrode for selecting cells in units of columns. The drive unit 500 includes a controller 512, a data processing circuit 514, an X driver 516, a scan driver 518, a Y common driver 520, an address driver 522, a power supply circuit, etc. ing. The drive unit 500 has field data in units of pixels indicating the luminance level (gradation level) (in the case of color display, the luminance level of each color of R, G, B) from an external device such as a TV tuner or a computer. It is input together with various synchronization signals. This field data DF is stored in the frame memory 524 in the data processing circuit 514, and then stored in the frame memory 524 after being processed for gradation display, and transferred to the address driver 522 as appropriate. .

The X driver 516 applies a driving voltage to all the sustain electrodes X. The scan driver 518 applies a drive voltage to each scan Z sustain electrode Y individually in selecting a cell. The Y common driver 520 applies a drive voltage to all the scan Z sustain electrodes Y at a time in maintaining lighting in the selected cell. Industrial applicability

[0031] The plasma arc tube display device of the present invention is composed of a plasma arc tube module having a size smaller than the screen size of the plasma arc tube display device, and is provided with a storage portion for storing a plurality of each of these plasma arc tube modules. In this housing, a traveling unit for arranging the plasma arc tube modules is provided, and the plasma arc tube modules arranged in the traveling unit are connected to each other to form a large screen plasma arc tube display device. Since it can be stored in a size equivalent to the plasma arc tube module during transportation, it can be easily transported and screen damage can be prevented.

Explanation of symbols

10 Plasma arc tube module

20 板 board

30 Back board

40 Rear frame

100 Storage guide

110 Guide

120 Guide

130 compartment

Claims

The scope of the claims

[1] A plurality of plasma arc tube modules, a storage portion for storing any of the plurality of plasma arc tube modules, and a storage portion force, a guide portion for moving and guiding any of the plurality of plasma arc tube modules. A storage guide having

The plurality of plasma arc tube modules include:

A plurality of plasma arc tubes are arranged in parallel to each other and arranged in a planar shape, having a guide portion for being guided by the guide portion,

The storage guide portion is housed in the storage portion, and the guide portion of the plasma arc tube module is moved and guided by the guide portion, and the plurality of plasma arc tube modules are arranged on the same plane.

A plasma arc tube display device.

2. The plasma arc tube display device according to claim 1, wherein the storage unit stores at least two or more plasma arc tube modules.

[3] The storage guide portion is fixed to the storage guide portion when the plurality of plasma arc tube modules move to a predetermined position of the guide portion. 2. A plasma arc tube display device according to 1.

4. The plasma arc tube display device according to claim 1, wherein the plurality of plasma arc tube modules have connection portions that are electrically connected to each other when arranged on the same plane. .