KR100573116B1 - Plasma display device - Google Patents

Abstract

According to the present invention, a plasma display device is disclosed. The plasma display apparatus includes a plasma display panel on which an image is implemented, a chassis base disposed to face the plasma display panel, and a plurality of circuit elements installed on the chassis base. And it is installed on the chassis base, characterized in that it further comprises a guide member for fixing the support member. According to the disclosed plasma display apparatus, there is provided a plasma display apparatus having an improved structure in which production efficiency is improved and malfunction of the electrical equipment is prevented.

Description

Plasma display device

1 is an exploded perspective view showing a plasma display device according to an embodiment of the present invention;

2 is a perspective view of the plasma display module of FIG.

3 is a cross-sectional view taken along the line A-A of FIG.

4 is a perspective view showing a plasma display module employable in another embodiment of the present invention,

5 is a cross-sectional view taken along line B-B of FIG. 4;

6 is a cross-sectional view showing a plasma display module that can be employed in another embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

1 ... plasma display device 5 ... plasma display module

10 ... front cabinet 20 ... front panel

30 ... back panel 40 ... plasma display panel

50 ... chassis base 60 ... circuit

61 ... wiring 62 ... circuit elements

62` ... Driver 66 ... Circuit Board

70 ... Guide member 71 ... Adhesive

75 support member 76 guide

80 ... back cover

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plasma display device, and more particularly, to a plasma display device having an improved structure in which production efficiency is improved and malfunction of an electronic device is prevented.

The plasma display device is a flat panel display device that displays an image using a gas discharge phenomenon, and is excellent in various display capacities such as display capacity, brightness, contrast, afterimage, and viewing angle. In addition, it is attracting attention as a next-generation flat panel display device that can replace a CRT because of its thin and large-screen display.

The plasma display apparatus includes a plasma display panel on which an image is implemented and a chassis base disposed to face the panel.

The plasma display panel is provided with a front panel and a rear panel bonded to each other, and a plurality of discharge sustaining electrodes and address electrodes are formed in a predetermined pattern.

In the plasma display apparatus configured as described above, an image is realized by applying a controlled signal to the panel electrode. To this end, a driving element connected to the panel electrode is mounted on the rear surface of the chassis base. Here, in order to mount the drive element, after attaching the drive element on the aluminum plate, the aluminum plate attached with the drive element is coupled to the chassis base.

According to the prior art, a through hole is formed in the aluminum plate, and a boss is formed on the rear surface of the chassis base, and the driving element is mounted in a manner of screwing the screw to the boss through the through hole.

However, in general, since a plurality of driving elements are provided, according to the related art, a large number of screw operations are required for the mounting thereof, thereby increasing the number of assembly operations and causing waste of processes and manufacturing costs.

In addition, an FPC (Flexible Printed Circuit) is used as a wiring for connecting the driving device and the plasma display panel. If foreign matter such as powder is generated during the screw fastening process of the aluminum plate, the protective layer of the FPC provided in the form of a film is peeled off. It can be caused, the problem of malfunction of the drive element due to the short of the damaged part occurs.

In particular, in recent years, since the discharge cells tend to be high-definition, mounting of more driving elements is required, and the mounting problem of such driving elements increases the need for solving the problem.

The present invention has been made to solve the above problems, and an object thereof is to provide a plasma display device having an improved structure in which production efficiency is improved and manufacturing cost is reduced.

Further, another object of the present invention is to provide an improved plasma display device in which a malfunction of an electronic device is prevented.

In order to achieve the above object and other objects, the plasma display device of the present invention, the plasma display panel in which the image is implemented, the chassis base disposed to face the plasma display panel and a plurality of installed in the chassis base In the plasma display device having a circuit element, it is provided on the support member and the chassis base to which the circuit element is coupled, characterized in that it further comprises a guide member for fixing the support member.

The circuit device may be a driving device for applying a driving signal to the plasma display panel.

In addition, the support member may be provided with one thermally conductive plate selected from the group consisting of aluminum, copper, silver, and nickel.

The guide member and the support member may be provided in a structure in which at least one side of the support member is assembled by receiving the guide member.

In addition, the guide member may be fixed by elastically pressing the support member.

The guide member may be provided in a cylindrical shape having one side open, and a bending member having one side open may be symmetrically formed.

The support member may be provided with a guide that receives the guide of the guide member. Here, the guide may be provided as a protrusion formed in the support member. In addition, the guide portion may be provided with a groove formed in the support member.

Hereinafter, with reference to the accompanying drawings, it will be described in detail preferred embodiments of the present invention.

1 is an exploded perspective view showing a plasma display device according to an embodiment of the present invention, Figure 2 is a perspective view showing the plasma display module of FIG. 3 is a cross-sectional view taken along the line A-A of FIG. 2.

Referring to FIG. 1, the plasma display apparatus 1 includes a plasma display module 5, a front cabinet 10 and a back cover 80 that accommodate the plasma display module 5.

The plasma display module 5 includes a plasma display panel 40, a chassis base 50, and a circuit unit 60.

The plasma display panel 40 is provided by bonding the front panel 20 and the back panel 30 to each other. The plasma display panel 40 made of a glass material becomes an image display unit that implements an image by using a discharge phenomenon. For this purpose, a plurality of pairs of discharge sustaining electrodes (not shown) are respectively provided on the front panel 20 and the rear panel 30. ) And a plurality of address electrodes (not shown) are provided in a predetermined pattern. The signal controlled through the wiring 61 connected to the driving element 62 'is applied to the panel electrode.

The chassis base 50 serves as a heat sink to promote heat dissipation of the plasma display panel 40 and the circuit unit 60. For this purpose, the chassis base 50 may be made of an aluminum material having excellent thermal conductivity. In addition, the chassis base 50 serves to provide an installation space of the circuit unit 60.

Meanwhile, the chassis base 50 may be manufactured by die casting or press working.

The circuit unit 60 for driving the plasma display panel 40 is provided on the rear surface of the chassis base 50. The circuit unit 60 includes various circuit elements 62 including a driving element 62 'for applying a controlled signal to the electrodes of the panel 40, circuit boards 66, wirings 61, etc., on which they are mounted. do. In this case, a flexible printed circuit (FPC) may be used as the wiring 61 connecting the driving element 62 ′ and the panel 40 electrode. As illustrated in FIG. 1, an upper portion of the wiring 61 may be provided. The driving element 62 ′ may be directly mounted on a chip on film (COF).

The wiring 61 on which the driving element 62 ′ is mounted may be attached to the support member 75 using an adhesive 71, for example, a heat dissipation grease. Here, when the support member 75 is provided with a plate material having excellent thermal conductivity, for example, aluminum, copper, silver, nickel, or the like, heat generated from the driving element 62 ′ is externally transmitted through the support member 75. Can be released.

In the plasma display device 1 configured as described above, according to one feature of the present invention, the chassis base 50 is provided with a guide member 70 for fixing the support member 75.

As shown in FIG. 2, the guide member 70 may be provided in a cylindrical shape having one side opened approximately.

On the other hand, the support member 75 may be provided with a guide portion 76 which is guided by the guide member 70. As illustrated in FIGS. 2 and 3, the guide portion 76 may be provided as a cylindrical protrusion formed on both sides of the support member 75 in correspondence with the shape of the guide member 70.

In this way, the guide member 70 is provided in a cylindrical shape, and the guide portion 76 is provided in a cylindrical shape, so that the surface in contact with the guide member 70 of the guide portion 76 is uniformly elastic. Pressing force is applied.

The support member 75 may be firmly coupled to the guide member 70 by the elastic pressing force. For this purpose, the guide portion 76 is preferably provided with a slightly larger diameter than the guide member 70.

In addition, as shown in Figure 2, both ends of the guide portion 76 may be provided with a rounding to be easily assembled to the guide member (70).

The support member 75 having the guide portion 76 is assembled to the chassis base 50 by the guide member 70. As shown in FIG. 2, the assembling process of the support member 75 is a simple process of inserting the support member 75 into the guide member 70, thereby improving workability and improving production efficiency.

In addition, since the occurrence of this material is prevented in the assembling process, the risk of short circuit due to damage of the wiring 61 can be eliminated, and thus the display device 1 can be driven stably.

In addition, through the fixing structure receiving the pressing force of the guide member 70, the support member 75 is firmly fixed, as well as the heat transferred to the support member 75 through the contact surface of the guide portion 76 guide member It can be effectively delivered to the 70 and the chassis base (50).

4 is a perspective view illustrating a plasma display module employable in another embodiment of the present invention, and FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4. 6 is a cross-sectional view showing a plasma display module that can be employed in another embodiment of the present invention.

Referring to FIG. 4, the support member 75 is provided with a wiring 61 on which the driving element 62 'is mounted.

As shown in FIGS. 4 and 5, the guide member 70 may be provided by symmetrically formed bending members having one side open. Here, the bending member is provided in a shape bent twice, one end thereof is formed in parallel with the support member 75 so as to press the support member 75 in a large area.

As shown in FIG. 6, the support member 75 may be additionally provided with a guide portion 76, wherein the guide portion 76 corresponds to the guide member 70 of the support member 75. It may be provided with grooves formed on both sides. When one end of the guide member 70 is in contact with the guide portion 76, the transverse movement can be effectively prevented and more stable support can be received.

As such, the guide member 70 presses the support member 75 toward the chassis base 50, so that the driving element 62 ′ may be in close contact with the chassis base 50. Heat dissipation of `) can be promoted.

Meanwhile, the guide member 70 of the present invention may be provided separately from the chassis base 50 and may be coupled thereto or may be provided integrally with the chassis base 50 in the manufacturing process of the chassis base 50. In this case, of course, all of the practical features of the present invention are equally applicable.

In addition, the guide member 70 may further include a movement preventing jaw (not shown) to prevent the support member 75 from moving downward by its own weight.

According to the plasma display device of the present invention, the chassis is provided with a guide member, and the driving element is mounted in such a manner that at least one side of the supporting member to which the driving element is attached is assembled with the guidance of the guide member.

Therefore, according to the present invention, the mounting of the drive element can be made by a simple insertion operation, the assembly labor is greatly reduced, the cost can be reduced, and the production efficiency can be improved.

In addition, by providing an assembly structure in which the occurrence of this material is structurally prevented, malfunction of the electrical component caused by this material is prevented, and in particular, the risk of short circuit due to damage to the wiring connecting the circuit board and the display panel is eliminated. It is possible to drive a stable display device.

As such, by improving the mounting structure of the driving device, a high resolution and high quality display requiring a plurality of driving devices can be stably implemented.

Although the present invention has been described with reference to the embodiments illustrated in the accompanying drawings, it is merely exemplary, and various modifications and equivalent other embodiments are possible from those skilled in the art to which the present invention pertains. You will be able to understand the point. Therefore, the true scope of protection of the present invention should be defined by the appended claims.

Claims (10)

10. A plasma display apparatus comprising a plasma display panel on which an image is implemented, a chassis base disposed to face the plasma display panel, and a plurality of circuit elements provided on the chassis base. And a guide member for fixing the support member to the support member to which the circuit element is coupled and to the chassis base. The plasma display apparatus of claim 1, wherein the circuit element is a driving element for applying a driving signal to the plasma display panel. The plasma display apparatus of claim 1, wherein the support member is formed of one thermally conductive plate selected from the group consisting of aluminum, copper, silver, and nickel. The plasma display apparatus of claim 1, wherein the guide member and the support member have a structure in which at least one side of the support member is assembled under the guidance of the guide member. The plasma display apparatus of claim 4, wherein the guide member is elastically pressed to fix the support member. The plasma display apparatus of claim 5, wherein the guide member has a cylindrical shape having one side open. The plasma display apparatus of claim 5, wherein the guide member is formed by symmetrically forming a bending member having one side open. The plasma display apparatus of claim 4, wherein the support member is provided with a guide part guided by the guide member. The plasma display apparatus of claim 8, wherein the guide part comprises a protrusion formed on the support member. The plasma display apparatus of claim 8, wherein the guide part comprises a recess formed in the support member.

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