JP2003076296A - Plasma display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure easy to carry out wiring job to external connection terminals on a plasma display device. SOLUTION: This plasma display device comprises a panel, a display driving circuit block which is arranged on a chassis member and also performs displaying by applying signals to the panel, and a front frame 11 and a back cover 12 which constitute a case for housing these panel and display driving circuit block therein, and an external connection terminal pack 17 made up by arranging in a metal case external connection terminals 18 for inputting display signals to the display driving circuit block from external equipment is held in the outside of the case so as to be turnable.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a large screen, thin type,
The present invention relates to a plasma display device known as a lightweight display device.

[0002]

2. Description of the Related Art In this plasma display device, ultraviolet rays are generated by gas discharge, and phosphors are excited by the ultraviolet rays to emit light to perform color display. The display cell partitioned by the partition is provided on the substrate, and the phosphor layer is formed on the display cell.

This plasma display device is roughly classified into an AC type and a DC type in terms of driving, and there are two types of discharge types: a surface discharge type and a counter discharge type. However, high definition, large screen and Due to the ease of manufacturing, at present, the mainstream plasma display device is a surface discharge type of three-electrode structure, which has a pair of display electrodes adjacent in parallel on one substrate and the other. It has address electrodes arranged in a direction intersecting with the display electrodes on the substrate, partition walls, and a phosphor layer. Since the phosphor layer can be relatively thick, it is suitable for color display by the phosphor.

Such a plasma display device is
Among the flat panel displays, it is possible to display at a higher speed than a liquid crystal panel, has a wide viewing angle, is easy to upsize, and has a high display quality due to its self-luminous type. It has been particularly attracting attention and is used for various purposes as a display device in a place where many people gather and as a display device for enjoying a large-screen image at home.

[0005]

Since the plasma display device is used for various purposes as a display device as described above, various external devices such as a television broadcast receiving device and a video tape recorder are used. It is equipped with various external connection terminals so that it can be connected to.

A plurality of the external connection terminals are arranged side by side on the rear surface of the housing of the plasma display device so as to be exposed to the outside. However, depending on the installation location of the plasma display device, the external connection terminals are provided. Since it may be difficult to perform wiring work to the plasma display device, labor is required for installation work of the plasma display device.

The present invention has been made in view of the above circumstances, and provides a structure that facilitates the wiring work to the external connection terminal.

[0008]

In order to achieve the above object, a plasma display device of the present invention comprises a panel, a display drive circuit block disposed on a chassis member and applying a signal to the panel for display. An external connection terminal for inputting a display signal from an external device to the display drive circuit block is provided in a case outside the case having a housing for accommodating the panel and the display drive circuit block. The external connection terminal pack configured as described above is rotatably held and attached.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS That is, according to the first aspect of the present invention, a pair of substrates, at least the front side of which are transparent, are arranged so as to face each other so that a discharge space is formed between the substrates and an electrode group is arranged on the substrates. A panel, a display drive circuit block that is disposed on a chassis member and applies a signal to the panel to perform display, and a housing that houses the panel and the display drive circuit block. To
An external connection terminal pack configured by arranging an external connection terminal for inputting a display signal from an external device in the display drive circuit block in a case is rotatably held and attached.

Further, the external connection terminal pack is constructed by arranging a plurality of external connection terminals in a metal case.

A plasma display device according to an embodiment of the present invention will be described below with reference to FIGS. 1 to 8, but the embodiment of the present invention is not limited to this.

First, the structure of the plasma display panel in the plasma display device will be described with reference to FIG. As shown in FIG. 1, a plurality of stripe-shaped display electrodes 2 forming pairs of scan electrodes and sustain electrodes are formed on a transparent front substrate 1 such as a glass substrate and cover the electrode group. Thus, the dielectric layer 3 is formed, and the protective film 4 is formed on the dielectric layer 3.

A plurality of columns covered with an overcoat layer 6 are formed on the rear substrate 5 facing the front substrate 1 so as to intersect the display electrodes 2 of scan electrodes and sustain electrodes. Stripe-shaped address electrodes 7 are formed. A plurality of partition walls 8 are arranged on the overcoat layer 6 between the address electrodes 7 in parallel with the address electrodes 7, and a phosphor layer 9 is provided on a side surface between the partition walls 8 and a surface of the overcoat layer 6. There is.

The substrate 1 and the substrate 5 are a display electrode 2 and an address electrode 7 of scan electrodes and sustain electrodes.
Are arranged so as to be substantially orthogonal to each other, and are opposed to each other with a minute discharge space interposed therebetween, and the periphery is sealed, and one kind of helium, neon, argon, and xenon or a mixed gas is discharged into the discharge space. It is enclosed as a gas. Further, the discharge space is partitioned into a plurality of partitions by partition walls 8 to provide a plurality of discharge cells at which the intersections of the display electrodes 2 and the address electrodes 7 are located, and each of the discharge cells has red, green, and blue. The phosphor layers 9 are sequentially arranged for each color so that

FIG. 2 shows an electrode array of this plasma display panel. As shown in FIG. 2, the scan electrodes, the sustain electrodes and the address electrodes have a matrix structure of M rows × N columns, and in the row direction. M rows of scan electrodes SCN1 to SCNM and sustain electrodes SUS1 to
Address electrodes D1 of N columns in which the SUSMs are arranged in the column direction
~ DN are arranged.

In the plasma display panel having such an electrode structure, by applying a write pulse between the address electrode and the scan electrode, an address discharge is performed between the address electrode and the scan electrode, and after selecting a discharge cell. , Between the scan electrode and the sustain electrode,
By applying a periodic sustain pulse that is alternately inverted, a sustain discharge is generated between the scan electrode and the sustain electrode, and a predetermined display is performed.

FIG. 3 shows the overall structure of a plasma display device according to an embodiment of the present invention, which incorporates the panel having the structure described above. In the figure, panel 1
The housing for accommodating 0 is composed of a front frame 11 and a metal back cover 12, and a front cover 13 made of glass or the like that also serves as an optical filter and protects the panel 10 is arranged in the opening of the front frame 11. Has been done. Further, for example, silver vapor deposition is applied to the front cover 13 in order to suppress unnecessary radiation of electromagnetic waves. Furthermore, the back cover 12
A plurality of ventilation holes 12a for radiating the heat generated in the panel 10 and the like to the outside are provided in the.

The panel 10 is held by being bonded to the front surface of a chassis member 14 made of aluminum or the like via a heat conductive sheet 15, and the chassis member 14 is then held.
A plurality of circuit blocks 16 for driving the display of the panel 10 are attached to the rear surface side. The heat conductive sheet 15 is for efficiently transmitting the heat generated in the panel 10 to the chassis member 14 and radiating the heat. The circuit block 16 includes an electric circuit for driving the display of the panel 10 and controlling the display. The electrode block extending to the edge of the panel 10 extends beyond the four edges of the chassis member 14. It is electrically connected by a plurality of extending flexible wiring boards (not shown).

On the rear surface of the chassis member 14, a boss portion 14a for attaching the circuit block 16 and fixing the back cover 12 is provided by projecting integrally by die casting or the like. The chassis member 14
May be constructed by fixing a fixing pin to an aluminum flat plate.

FIG. 4 shows a view of the plasma display device viewed from the back cover side, FIG. 5 shows an external connection terminal pack, and FIG. 6 shows a mounting portion between the external connection terminal pack and the apparatus main body. . In the figure, the external connection terminal pack 17 is a state in which a plurality of external connection terminals 18 for inputting a display signal from an external device to the circuit block 16 for display driving are arranged in parallel on one surface of a rectangular parallelepiped metal case 19. It is configured by being arranged, and is rotatably held and attached to the outside of the back cover 12 of the casing.

A hexagonal guide cylinder 20 is provided on the surface of the external connection terminal pack 17 on the back cover 12 side, and a connection cord for connecting the external connection terminal 18 and the circuit block 16 through the guide cylinder 20. 21 is pulled out. Reference numeral 22 is a connection portion provided at the tip of the connection cord 21 with the apparatus main body.

In addition, as shown in FIG.
An elastic piece 23 that elastically holds the guide tube 20 of the external connection terminal pack 17 and a fixing portion 24 that holds the elastic piece 23 are provided. With this structure, the external connection pack 17 is provided with respect to the apparatus body. It is rotatably held by about 60 degrees. A locking piece 20a that can be locked to the main body of the apparatus is provided at the tip of the guide cylinder 20, and the external connection terminal pack 17 is attached so as not to come off from the main body of the apparatus.

As described above, according to the present embodiment, the external connection terminal pack 17 having the external connection terminals 18 is rotatably arranged outside the apparatus main body, whereby the installation location of the plasma display apparatus is improved. By rotating the external connection terminal pack 17 in accordance with the above, wiring work can be easily performed.

FIGS. 7 and 8 show another embodiment of the present invention. In this example, the external connection terminal pack 17 is rotatably arranged at the lower part of the apparatus main body. That is,
By externally arranging the external connection terminal pack 17 in the lower part of the apparatus body as shown in FIG. 7, when the plasma display device is installed on the wall surface 26 as shown in FIG. If the external connection terminal 18 is rotated to be positioned on the front side of the apparatus body, the connection cord 25 with an external device can be connected to the external connection terminal 18 after the plasma display device is installed on the wall surface 26. It is possible to perform wiring work easily.

[0025]

As is apparent from the above description, according to the plasma display apparatus of the present invention, the external connection terminal pack having the external connection terminals is rotatably arranged outside the apparatus main body. By rotating the external connection terminal pack according to the installation location of the plasma display device, the wiring work can be easily performed, and the installation work of the plasma display device can be easily performed.

[Brief description of drawings]

FIG. 1 is a perspective view showing a schematic configuration of a panel of a plasma display device according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing an electrode array of a panel of the plasma display device.

FIG. 3 is an exploded perspective view showing an internal arrangement structure of the plasma display device.

FIG. 4 is a perspective view of the plasma display device seen from the back side.

FIG. 5 is a perspective view showing an external connection terminal pack of the plasma display device.

FIG. 6 is a plan view showing an attachment portion of an external connection terminal pack of the plasma display device.

FIG. 7 is a rear perspective view of a plasma display device according to another embodiment of the present invention.

FIG. 8 is a perspective view showing a state in which the plasma display device is attached to a wall surface.

[Explanation of symbols]

10 panels 11 Front frame 12 back cover 17 External connection terminal pack 18 External connection terminal 19 metal case 20 Guide tube 23 Elastic piece

Claims (2)

[Claims] 1. A panel in which a pair of substrates, at least front side of which are transparent, are arranged so as to face each other so that a discharge space is formed between the substrates and an electrode group is arranged on the substrates, and a panel which is arranged in a chassis member and receives signals from the panels. A display drive circuit block for applying a display and a housing for accommodating the panel and the display drive circuit block are provided, and a display signal from an external device is supplied to the display drive circuit block outside the housing. A plasma display device, wherein an external connection terminal pack, which is configured by arranging external connection terminals for input, is rotatably held and attached. 2. The plasma display device according to claim 1, wherein the external connection terminal pack is configured by disposing a plurality of external connection terminals in a metal case.