KR20000011033U - Electromagnetic shielding device of PDP TV - Google Patents

Abstract

The present invention relates to an electromagnetic shielding device of a plasma display panel (PDP) television. The present invention relates to a PDP television for displaying a predetermined image through a PDP glass panel. The filter unit is provided at the rear end to block the electromagnetic wave emitted from the PDP glass panel to the front, and a plate shield portion sealed at the edge of the filter portion to absorb the electromagnetic wave, and connected to the plate shield portion to support the main body and sideways. The side frame portion for blocking the electromagnetic waves emitted toward the side, and the back cover portion coupled to the rear end of the side frame portion to block the electromagnetic waves emitted to the rear.

According to the present invention, electromagnetic waves generated in the PDP glass panel and the PCB panel of the PDP television set can be extinguished without being emitted to the outside of the set.

Description

Electromagnetic shielding device of PDTV

The present invention relates to an electromagnetic shielding device of a plasma display panel (PDP) television, and in particular, in order to block electromagnetic waves emitted when the PDP television is driven, a plate shield part is separately provided to the front mask part and connected to the side frame part. A apparatus for shielding electromagnetic waves of Plasma Display Panel TVs, which is covered with a back cover part made of a press plate to prevent electromagnetic waves generated inside the PDP television set from leaking out of the set.

PDP (Plasma Display) is a next-generation display device for conventional display devices that scans an electron beam with a conventional electron gun to form an image on a screen of a cathode ray tube. Panels have been developed, and these PDPs have been applied to televisions and other video display devices, and have reached the stage of general use.

Since the PDP has a clear image quality and is not an electron beam scanning method, the thickness of the PDP can be very thin, so it can be fixed to a wall or used as a stand type, and is much easier to manufacture in large size.

In the conventional PDP television, the front mask is molded and then aluminum deposited to block a large amount of electromagnetic waves emitted from the PDP glass panel during driving, and aluminum is also deposited on the back cover part.

However, the electromagnetic wave shielding method by the aluminum deposition has a problem that the electromagnetic shielding effect and the aluminum deposition process is difficult to produce a lot of difficulties in the production and the main cause of environmental pollution during the aluminum manufacturing process.

The present invention is to solve the problems as described above, in order to block the electromagnetic waves emitted when driving the PDP TV, the front mask portion is provided with a separate plate shield portion connected to the side frame portion and the side frame portion is back press back plate It is an object of the present invention to provide an electromagnetic wave shielding device of a PDP television which prevents electromagnetic waves generated in the interior of the PDP television set from leaking out of the set by covering it with negative.

As a technical idea for achieving the object of the present invention, in a PDP television for displaying a predetermined image through a PDP glass panel, a front mask portion provided in the front portion, and a rear end portion of the front mask portion provided in the PDP glass panel; A filter unit for blocking the electromagnetic waves emitted to the front, a plate shield portion sealed on the edge of the filter portion to absorb the electromagnetic waves, and a side frame connected to the plate shield portion to support the main body and block the electromagnetic waves emitted to the side The present invention comprises a back cover portion coupled to a rear end of the side frame portion and blocking electromagnetic waves emitted to the rear side.

1 is an exploded perspective view showing the overall structure of a PDP television;

2 is an exploded perspective view showing the electromagnetic shielding device of the PDP television according to the present invention.

<Description of the symbols for the main parts of the drawings>

1: front mask 3: filter section

4: plate shield portion 5: side frame portion

6 back cover part 7 electromagnetic wave absorbing part

8: coupling part 10: front mask part

11: speaker grille part 12: speaker part

20: PDP glass panel portion 21: glass panel

22: main plate 23: back plate

24: guide frame 25: double-sided tape

30: stand portion 31: support stand frame

32: main frame portion 33: support guide portion

40: PCB panel portion 41: support guide

50: fan 51: fan bracket portion

Hereinafter, with reference to the accompanying drawings with respect to the configuration and operation of the embodiment of the present invention will be described.

2 is an exploded perspective view showing the electromagnetic shielding device of the PDP television of the present invention.

Referring to Figure 2, the present invention is a PDP television for displaying a predetermined image through a PDP glass panel,

The front mask 1 provided at the front part, the filter part 3 provided at the rear end of the front mask 1 to block electromagnetic waves emitted from the front side of the PDP glass panel, and the edge of the filter part 3. A plate shield portion 4 which is sealed at a portion and absorbs electromagnetic waves, a side frame portion 5 which is connected to the plate shield portion 4 to support the main body and blocks electromagnetic waves emitted to the side, and the side frame portion It is composed of a back cover portion 6 coupled to the rear end of (5) to block electromagnetic waves emitted to the rear side.

In addition, the plate shield 4 has a configuration in which a comb-shaped electromagnetic wave absorbing portion 7 and a coupling portion 8 are integrally formed on one side of the plate shield 4, and the upper and lower portions of the filter portion 4 and the side frame portion 5 are formed. The left and right edges are attached to each other by a predetermined number.

In addition, the plate shield part 4 is made of silicon material and is connected to a ground part (not shown), and the back cover part 6 and the side frame part 5 are made of a metal plate.

Referring to the operation of the present invention made of the configuration as described above are as follows.

The overall configuration of a PDP television can be represented in an exploded perspective view as shown in FIG.

That is, the front mask portion 10 provided in the front portion, the side frame portion 5 coupled to the rear edge portion of the front mask portion 10 to support the main body, and the rear end of the side frame portion 5 The PDP glass panel unit 2 mounted on the PDP glass panel unit 2, the PCB panel unit 20 coupled to the rear end of the PDP glass panel unit 2, and the rear frame unit 20 are located at the rear end of the PCB panel unit 20. 2) and a stand portion 30 supporting the bottom surface of the main body and coupled to a predetermined portion of the rear end of the back cover portion 6 to support the main body.

The components related to the electromagnetic shielding structure of the PDP television according to the present invention among the above configurations will be described in more detail as follows.

First, the front mask part 10 includes a front mask 1 on which left and right speaker grills 11 are mounted and control means are provided on left and right sides, and inside the left and right sides of the front mask 1. A speaker unit 12 and a filter unit 3 provided at a rear end of the front mask 1 to block electromagnetic waves emitted from the PDP glass panel unit 20, and the filter unit 3. Sealing the edge portion of the plate is made of a shield portion 4 to absorb the electromagnetic waves.

In addition, the PDP glass panel unit 20 is a glass panel 21 constituting a screen and a back plate unit 23 positioned at the rear end of the glass panel 21 and having a main plate 22 at left and right sides, respectively. And a double-sided tape 25 bonded to one side of the plurality of guide frames 24 coupled to the rear surface of the glass panel 21 and the back plate portion 23.

In addition, the inside of the back cover part 6 is coupled to the main frame part 32 and the main frame part 32, respectively, coupled to the support stand frame 31 to support the stand part 30, respectively. The support guide part 33 is provided.

In addition, at the upper end of the side frame portion 5, a plurality of fans 50 by the fan bracket portion 51 to cool the heat radiated from the PDP glass panel portion 20 and the PCB panel portion 40. It is installed.

2 is an exploded perspective view showing an electromagnetic shielding device of a PDP television according to the present invention.

That is, although not shown in FIG. 2, since the PDP glass panel portion and the various PCB panel portions are located between the side frame portion 5 and the back cover portion 6, a large amount of electromagnetic waves are generated when the PDP television is turned on and driven. It is emitted through the PDP glass panel and the PCB panel portion.

Electromagnetic waves emitted through the PDP glass are primarily blocked by the filter unit 3, but not completely blocked by the filter unit 3 alone.

Therefore, the upper and lower left and right edges of the filter part 3 and the side frame part 5, the electromagnetic shield absorbing portion 7 of the comb-shaped on one side and the plate shield portion 4 is formed integrally on the other side (4) ) Is divided into several parts and absorbs residual electromagnetic waves emitted from the PDP glass panel part through the electromagnetic wave absorbing part 7 of the plate shield part 4.

At this time, the plate shield 4 is made of a silicon material to absorb the electromagnetic wave to be dissipated toward the ground (Ground) ground.

Therefore, the residual electromagnetic wave absorbed through the plate shield part 4 is connected to the ground (Groud) line to disappear.

However, as described above, electromagnetic waves are blocked by the filter part 3 and the plate shield part 4 in the front part of the PDP television, but there is no separate electromagnetic wave blocking means on the side and rear side of the PDP glass. There is a possibility of release laterally and laterally.

Therefore, there is a need to use the side frame portion 5 and the back cover portion 6 made of press iron sheet to prevent electromagnetic waves emitted to the side and the rear of the PDP television.

Therefore, when the side frame portion 5 and the back cover portion 6 made of press iron plate are disposed on the sides and the rear side of the PDP glass panel portion and the PCB panel portion, which are the sources of electromagnetic waves of the PDP television, the electromagnetic waves that are likely to be emitted to the side and the rear side are discharged. Can be blocked.

As can be seen from the above description, the present invention provides a front mask 1 provided on the front portion of a PDP television for displaying a predetermined image through the PDP glass panel, and a rear surface of the front mask 1 provided on the PDP glass. Filter portion 3 for blocking the electromagnetic wave emitted from the front panel from the panel, the plate shield portion (4) which is sealed on the edge of the filter portion 3 to absorb the electromagnetic wave, and the plate shield portion (4) And a side frame portion 5 for supporting the main body and blocking electromagnetic waves emitted to the side, and a back cover portion 6 for being coupled to the rear end of the side frame portion 5 to block electromagnetic waves emitted to the rear side. In particular, the plate shield portion 4 is made of a comb-shaped silicon material so as to absorb the electromagnetic waves well, the predetermined portion on the upper and lower, left and right edges of the filter portion 3 and the side frame portion 5 By dividing by the number, the electromagnetic waves generated in the PDP glass panel and the PCB panel portion of the PDP television set can be extinguished without being emitted to the outside of the set.

Claims (2)

In a PDP television displaying a predetermined image through a PDP glass panel, A front mask portion provided at the front portion, A filter unit provided at a rear end of the front mask unit to block electromagnetic waves emitted from the PDP glass panel toward the front; A plate shield portion sealed at the edge of the filter portion to absorb electromagnetic waves; A side frame part connected to the plate shield to support the main body and block electromagnetic waves emitted to the side; And a back cover portion coupled to a rear end of the side frame portion to block electromagnetic waves emitted to the rear side. The method of claim 1, wherein the plate shield is made of a silicon material is connected to the ground portion, the electromagnetic wave absorbing portion of the comb-shaped on one side and the coupling portion is formed on the other side in the configuration of the tuner portion and the side frame portion on the upper and lower, left and right edges Electromagnetic shielding device of a PDP television, characterized in that divided by a predetermined number.