KR20060087759A - Plasma display device - Google Patents

Abstract

The present invention relates to an improved plasma display apparatus for improving the utilization of the reinforcing member installed in the chassis base.

A plasma display device according to the present invention includes a plasma display panel; A chassis base for placing the plasma display panel on one side thereof; A reinforcing member installed on the chassis base to the opposite side of the plasma display panel; A driving circuit board electrically connected to the plasma display panel and installed on the other side of the chassis base, and one side of which is fixedly installed on the reinforcing member through fasteners formed in a plurality thereof; And a boss member installed at the chassis base to one side of the reinforcement member to fix the other side of the driving circuit board to be fixed.

Plasma Display, Driving Circuit Board, Reinforcing Member

Description

Plasma display device {PLASMA DISPLAY DEVICE}

1 is an exploded perspective view schematically showing the configuration of a plasma display device according to the present invention.

FIG. 2 is a schematic cross-sectional view of the plasma display device according to the first embodiment of the present invention, taken along the line A-A of FIG. 1.

3 is a partial cross-sectional view schematically showing a plasma display device according to a second embodiment of the present invention.

4 is a schematic cross-sectional view of the plasma display device according to the third exemplary embodiment of the present invention, taken along the line B-B of FIG. 1.

5 is a cross-sectional view showing in more detail the reinforcing member of FIG.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plasma display device, and more particularly, to an improved plasma display device for increasing the usability of a reinforcing member installed in a chassis base.

In general, a plasma display device is an apparatus for displaying an image on a plasma display panel (hereinafter referred to as a 'PDP') using plasma generated by gas discharge.

The plasma display device is a display which is mounted inside the PDP through the above-described PDP, the chassis base supporting the PDP, the chassis base opposite to the PDP, and a flexible printed circuit (FPC) and a connector. A plurality of driving circuit boards are connected to the electrodes or the address electrodes.

In addition, the PDP has two glass substrates facing each other face to face and forms a discharge space therein, so that the PDP has a weak mechanical rigidity against impact. Since the PDP generates high heat during driving, the PDP is provided with a thermally conductive sheet on its rear surface. The thermally conductive sheet rapidly conducts and diffuses heat generated in the PDP in the planar direction.

In addition, the chassis base is formed of a metal having high mechanical rigidity to support the PDP, and is supported by attaching the PDP through a double-sided tape. In addition to maintaining the rigidity of the PDP, the chassis base functions as a mounting support of the driving circuit board, a heat sink function of the PDP, and an electromagnetic interference (EMI) grounding function.

In addition, the chassis base is provided with a separate reinforcement member to maintain rigidity, and includes a plurality of boss members to mount the driving circuit board and to complex the EMI ground generated from the driving circuit board. Therefore, the driving circuit board is fixed to the chassis base by a fastening member, for example, a screw, which is mounted to the boss member and fastened to the boss member.                         

The drive circuit board also has a circular ground portion around the fastener of the drive circuit board to stabilize the circuit portion by grounding the EMI generated therein to the chassis base. The ground portion is formed of a circular through hole, the driving circuit board is provided with a multi-layered circuit portion, and the ground portion corresponds to the boss member and passes through the fastener of the driving circuit board to be fastened to the boss member.

As described above, tox, rivets, screws, or the like have been conventionally used to bond or couple the reinforcing member to the chassis base.

By the way, the tox, rivet, screw or the like was used only for fixing the chassis base and the reinforcing member. That is, at least one reinforcing member is installed in the chassis base to reinforce the chassis base, wherein the reinforcing member is mounted on the chassis base by using the tox, rivet, or screw. Therefore, the reinforcing member is used only for the reinforcement of the chassis base and is not used for other purposes, thereby being limited in space in mounting the driving circuit board.

The present invention has been created to solve the above problems, the reinforcing member is installed in the chassis base to reinforce the chassis base and tox, rivets, screws, etc. for fixing the reinforcing member to the chassis base for other purposes It is an object of the present invention to provide a plasma display device which is used.

Plasma display device of the present invention for achieving the above object, the plasma display panel; A chassis base for placing the plasma display panel on one side thereof; A reinforcing member installed on the chassis base to the opposite side of the plasma display panel; A driving circuit board electrically connected to the plasma display panel and installed on the other side of the chassis base, and one side of which is fixed on the reinforcing member through a fastener formed in plural therein; And a boss member installed at the chassis base to one side of the reinforcing member to fix the other side of the driving circuit board to be fixed.

In the present invention, the reinforcing member on which the driving circuit board is mounted is provided with a rivet for mounting the reinforcing member on the chassis base, and one side of the driving circuit board is fixedly mounted on the reinforcing member through the rivet. .

In the present invention, the height of the rivet and the height of the boss member is the same, the reinforcing member is installed by a tox or a screw, etc., the height of the reinforcing member and the height of the boss member is provided the same.

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

FIG. 1 is an exploded perspective view schematically showing the configuration of a plasma display device according to the present invention, and FIG. 2 is a cross-sectional view taken along line AA in FIG. 1 as a first embodiment according to the present invention. have.

Referring to each of the drawings, the plasma display device according to the present invention includes a PDP 11 for displaying an image by using gas discharge and a plane of heat generated by the PDP 11 attached to the rear surface of the PDP 11. Heat dissipation sheet 13 for conducting diffusion in a direction (xy plane direction), a plurality of driving circuit boards 15 electrically connected to the PDP 11 to drive the PDP 11, and the driving circuit boards ( And a chassis base 17 for mounting and supporting the 15 on its back.

Since the present invention relates to the coupling relationship between the PDP 11 and other components using the PDP 11 described above, a detailed description of the construction and operation of the PDP 11 is omitted here.

The heat dissipation sheet 13 is provided on the rear surface of the PDP 11 to conduct and dissipate heat generated by the PDP 11 to cause gas discharge in the plane direction (xy plane direction) of the PDP 11. The heat dissipation sheet 13 may be formed of an acrylic heat dissipation material having excellent thermal conductivity, a graphite heat dissipation material, a metal heat dissipation material, or a carbon nanotube heat dissipation material.

In addition, the driving circuit board 15 is mounted on a side opposite to the PDP 11 of the chassis base 17 by a predetermined fastening member, for example, a plurality of screws 19. Among the driving circuit boards 15, the image processing / control board receives an image signal from the outside to generate a control signal for driving the address electrode and a control signal for driving the display electrode (not shown), respectively, and each of the address buffers. It is applied to the board, scan drive board and maintenance drive board. The power supply board supplies the power required for driving this plasma display device as a whole. The address buffer board, the scan driving board, and the sustain driving board are connected to the address electrode, the scan electrode, and the sustain electrode of the PDP 11 by FPC (not shown) to drive the PDP 11, and to the power board. Each is connected to an FFC (Flexible Flat Cable, not shown).

These driving circuit boards 15 are electrically connected to the PDP 11 as described above, and have a circuit portion and a ground portion capable of performing the functions of each board, and are installed on the chassis base 17 by screws 19. The fastener 15c is provided in the ground part.

The screw 19 penetrates the fastener 15c and is fastened to the chassis base 17 so as to ground the ground portion to the chassis base 17 while fixing the driving circuit board 15.

The chassis base 17 is provided with a driving circuit board 15 on the opposite side of the PDP 11 and a reinforcing member 29 is installed to improve mechanical rigidity. The chassis base 17 may be formed by pressing a thin metal material, and in this case, the end of the chassis base 17 may be bent into an “L” shape to have mechanical rigidity that can withstand torsional and bending forces, or may be formed in a plate shape. The reinforcing member 29 may be further provided, and as shown in the drawing, the front end of the reinforcing member may be bent and the reinforcing member 29 may be provided.

The reinforcing member 29 is formed to secure the rigidity of the chassis base 17 and to provide a seat for installing the driving circuit board 15 on the rear surface thereof, and may be appropriately provided in the required number. The boss member 31 is installed in order to install the driving circuit board 15 to be mounted at the place where the 29 is not provided.

The reinforcing member 29 is formed with a screw hole 29a which is screwed with the screw 19 corresponding to the fastener 15c of the driving circuit board 15. At this time, when the driving circuit board 15 is fixedly mounted to the reinforcing member 29 and the boss member 31, it is preferable that the height of the reinforcing member 29 and the height of the boss member 31 are the same. .

In addition, as shown in FIG. 3, according to the second embodiment of the present invention, the reinforcing member 29 to which the driving circuit board 15 is mounted is mounted to the chassis base 17. Rivets 33 are installed, and one side of the driving circuit board 15 is fixedly mounted on the reinforcing member 29 through the rivets 33. That is, the rivet 33 is used to fix the reinforcing member 29 to the chassis base 17 and to mount the driving circuit board 15.

In this case, it is preferable that the height of the rivet 33 and the height of the boss member 31 are the same, and the rivet 33 is naturally formed with a screw hole 33a for mounting the driving circuit board 15. It is.

Accordingly, the driving circuit board 15 may be fixedly mounted using the reinforcing member 29 and the boss member 31, and alternatively, the driving circuit board 15 may be fixedly mounted using the rivet 33 and the boss member 31. Can be. And when the rivet 33 is not used, the reinforcing member 29 is fixedly installed by the tox or screw 19 or the like.

FIG. 4 is a cross-sectional view schematically illustrating a main configuration of a plasma display device according to a third embodiment of the present invention. 4 is a cross-sectional view taken along the line B-B in FIG.

Prior to the description, the description of the same configuration as the above-described first and second embodiments will be omitted, and only the characteristic configurations according to the third embodiment of the present invention will be described herein. Therefore, the same configuration as the first and second embodiments is denoted by the same reference numeral.

The plasma display device according to the third embodiment of the present invention includes a driving circuit board 15 electrically connected to the PDP and fixedly installed on the chassis base 17 through a fastener 15c, and the chassis base. (17) and the drive circuit board 15 is installed between the fasteners 15c of the drive circuit board 15 by fixing the drive circuit board 15 is fixedly installed, such as a screw 19 ) Is configured to include a plurality of reinforcing members (29) formed with a screw hole (29a) to be fastened.

As shown in FIGS. 4 and 5, the screw holes 29a of the reinforcing member 29 protrude upward from the reinforcing member 29 to be inserted into the fasteners 15c of the driving circuit board 15. The burring portion 29b is formed.

A screw tab is formed on the burring portion 29b of the reinforcing member 29 so that foreign matter does not occur when the screw 19 is fastened, and may be fastened without difficulty. At this time, the reinforcing member 29 is not shown, but is installed by a tox or screw 19 or the like.

Referring to the operation of the plasma display device according to the present invention having the configuration as described above is as follows.

Referring again to the drawings, the plasma display device according to the present invention includes a reinforcing member 29 installed for reinforcing the chassis base 17, and for mounting the reinforcing member 29 to the chassis base 17. It is used to mount the driving circuit board 15 as well as the reinforcement of the chassis base 17 by using a tox, a rivet 33, a screw 19, or the like.

This will be described in more detail.

First, as shown in FIG. 2 according to the first embodiment of the present invention, one side of the driving circuit board 15 is fixedly mounted by using the reinforcing member 29 mounted on the chassis base 17, and reinforced. Where the member 29 is not installed, the boss member 31 is installed to fix the other side of the driving circuit board 15.

As a second embodiment according to the present invention, as shown in FIG. 3, one side of the driving circuit board 15 is fixed by using a rivet 33 that fixes the reinforcing member 29 to the chassis base 17. The other side of the driving circuit board 15 is fixedly mounted using the boss member 31.

In addition, as shown in FIG. 4 according to the third embodiment of the present invention, the upper and lower portions of the driving circuit board 15 are disposed on the reinforcing members 29 installed side by side at the upper and lower ends of the chassis base 17. It is fixed to the chassis base 17. In this case, as shown in FIGS. 4 and 5, a burring portion 29b is formed in the screw hole 29a of the reinforcing member 29 formed to mount the driving circuit board 15, and the screw 19 is fastened. When the lead of the screw is fastened at the same time is inserted into the fastener (15c) of the drive circuit board 15 to improve the mountability. However, the burring portion 29b does not need to be formed.

As described above, according to the present invention, the reinforcement of the chassis base 17 is mounted as well as the driving circuit board 15 by utilizing the reinforcing member 29 which is conventionally used only for the reinforcement of the chassis base 17. And it can support to increase the utility of the reinforcing member (29).

In this case, when the reinforcing member 29 is used for mounting the driving circuit board 15, the height of the reinforcing member 29 may be adjusted by adjusting the height with the boss member 31 or by adjusting the thickness of the reinforcing member 29. In this case as well, the height may be matched with the boss member 31. In the case of the screw 19, the length may be selected and used.

As described above, the plasma display device according to the present invention has the following effects.

In the case of the conventional reinforcement member, there was a space limitation in mounting the driving circuit board by simply mounting the reinforcing chassis base, but in the present invention, the driving circuit board is mounted using the reinforcing member, and the reinforcing member is mounted on the chassis base. The driving circuit board may be fastened using rivets to be fastened, thereby increasing the utility of the chassis base and improving the mountability of the driving circuit board.

In addition, since the space utilization of the chassis base can be increased, the space of the driving circuit board can be widely used in designing the driving circuit board, thereby facilitating the design.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments are possible. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

Claims (10)

A plasma display panel; A chassis base for placing the plasma display panel on one side thereof; A reinforcing member installed on the chassis base to the opposite side of the plasma display panel; A driving circuit board electrically connected to the plasma display panel and installed on the other side of the chassis base, and one side of which is fixed on the reinforcing member through a fastener formed in plural therein; And a boss member installed at the chassis base to one side of the reinforcing member to fix the other side of the driving circuit board to be fixed. The method of claim 1, And a rivet for mounting the reinforcing member to the chassis base in the reinforcing member on which the driving circuit board is mounted. The method of claim 2, And one side of the driving circuit board is fixedly mounted on the reinforcing member through the rivet. The method of claim 2, And a height of the rivet and a height of the boss member are the same. The method of claim 1, And the reinforcing member is installed by a tox or a screw. The method of claim 1, And a height of the reinforcing member and a height of the boss member are the same. A plasma display panel; A chassis base for placing the plasma display panel on one side thereof; A driving circuit board electrically connected to the plasma display panel and fixedly installed on the chassis base through a fastener; And a plurality of reinforcing members installed between the chassis base and the driving circuit board to fix the driving circuit board and having a screw hole in communication with the fastener so that the fastening member is fastened. Plasma display device. The method of claim 7, wherein And a burring portion formed in the screw hole of the reinforcing member to protrude upward of the reinforcing member to be inserted into the fastener of the driving circuit board. The method of claim 7, wherein And a screw tab is formed in the burring portion. The method of claim 7, wherein And the reinforcing member is installed by a tox or a screw.

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