KR100722280B1 - Plasma display apparatus - Google Patents

Abstract

Plasma display device according to the present invention is to reduce the thickness using a film-type filter instead of the conventional glass filter, the main bracket is directly connected to the back cover located in the rear of the panel and fixed, and the heat sink located in the rear of the panel After the sub bracket is fixed to the main bracket or cabinet that is located in front of the panel and the sub bracket is fixed to the panel not only improves the support force but also prevents the lifting phenomenon generated at the inner edge of the cabinet. .

Description

Plasma display apparatus

1 is a partially cutaway perspective view showing a plasma display device according to the prior art

2 is a cross-sectional view showing a fixing structure of a plasma display device according to the prior art

3 is a cross-sectional view showing a fixing structure of the plasma display device according to the first embodiment of the present invention.

4 is a cross-sectional view showing a fixing structure of the plasma display device according to the second embodiment of the present invention.

5 is a cross-sectional view illustrating a fixing structure of a plasma display device according to a third embodiment of the present invention.

6 is a rear view showing a heat sink of a plasma display device according to a fourth embodiment of the present invention.

7 is a cross-sectional view showing a fixing structure of the plasma display device according to the fourth embodiment of the present invention.

8 is a flow chart illustrating a general tox bonding process

9 is a rear view illustrating a heat sink of a plasma display device according to a fifth embodiment of the present invention.

10 is a cross-sectional view showing a fixing structure of a plasma display device according to a fifth embodiment of the present invention.

11 is a cross-sectional view showing a fixing structure of a plasma display device according to a sixth embodiment of the present invention.

<Explanation of symbols on main parts of the drawings>

10 Panel 14 Flexible Printed Circuit (FPC)

15: front filter 16: copper foil

17: gasket 18: printed circuit board

20: heat sink 22: flange

24: lug 40: back cover

50: cabinet 50a: once

50b: other end 52: boss

61: boss 62: main bracket

63: Pemnut 64: Sub Bracket

66: sub bracket 70, 72, 74, 76, 78: screw

The present invention relates to a plasma display device, and more particularly, a main bracket is directly connected to and fixed to a back cover located at a rear of a panel, and after the sub bracket is fixed to a heat sink located at the rear of the panel, The present invention relates to a plasma display device for connecting and fixing a main bracket or a cabinet positioned in front of the panel.

Recently, various flat panel displays manufactured by reducing the weight and volume, which are disadvantages of cathode ray tubes, have been developed. Examples of the flat panel display include a liquid crystal display (LCD) and a field emission display ( Field Emission Display (FED), Plasma Display Panel (hereinafter referred to as "PDP device") and Electro-Luminescence (EL) display.

Among them, PDP is a flat panel display device that displays images using plasma discharge. The PDP is used for high resolution televisions, monitors, and indoor / outdoor advertising displays because it has a fast response speed and is suitable for displaying large area images.

1 is a partial cutaway perspective view of a plasma display device according to the prior art, Figure 2 is a cross-sectional view showing a fixing structure of the plasma display device according to the prior art.

1 and 2, a conventional PDP device includes a panel 1, a heat sink 2 installed on a rear surface of the panel 1 to release heat generated from the panel 1, and the panel. Glass filter (3) is installed on the front of the board (1) to shield the electromagnetic interference (hereinafter referred to as 'EMI') and to prevent the reflection of the external tube, and is installed to surround the back of the panel (1) It comprises a back cover (4), and a cabinet (5) assembled with the back cover (4) while surrounding a portion of the edge of the glass filter (3).

The glass filter 3 is connected to and fixed to the panel 1 side, and the panel 1 is connected to and supported by the back cover 4.

Thus, the PDP apparatus is provided with a bracket 6 for fixing the panel 1 to the back cover 4, and the bracket 6 has one end 6a of the glass as shown in FIG. It is interposed between the filter 3 and the panel 1 and fixed, and the other end 6b is fixed to the back cover 4.

Here, the glass filter 3 and the panel 1 simultaneously hold and fix the panel 1 and the glass filter 3 at the sides by clamps not shown.

The intermediate part of the bracket 6 is bent and interviewed by the inner surface of the cabinet 5, and the bracket 6 and the interviewed part of the cabinet 5 are fastened and fixed by screws 7.

In addition, the other end 6b of the bracket 6 is bent and formed to be in contact with the back cover 4, and the back cover 4 and the other end 6b of the bracket are also fastened and fixed by screws 7. .

However, when the bracket 6 and the cabinet 5 are fastened and fixed, there is a problem in that the lifting occurs at the inner edge 5a of the cabinet 5 due to the bending of the cabinet 5.

The present invention has been made in order to solve the above problems of the prior art, the main bracket is directly connected to the back cover located in the rear of the panel and fixed, the sub bracket is fixed to the heat sink located in the rear of the panel, It is an object of the present invention to provide a plasma display apparatus which connects the sub bracket to a main bracket or a cabinet located in front of the panel to improve the panel holding force and prevent the cabinet from lifting.

According to a first aspect of the present invention, there is provided a plasma display device comprising: a panel; A heat sink installed on a rear surface of the panel; A back cover disposed behind the panel; A main bracket supporting the panel by connecting the panel and the back cover; It characterized in that it comprises a sub-bracket protruding from the rear side of the heat sink in the outer direction of the edge of the panel to fix the heat sink and the main bracket.

Here, a boss is formed in the main bracket, and the other end of the sub bracket is fastened and fixed to the boss of the main bracket.

In addition, a printed circuit board is installed between the heat sink and the sub bracket, and one end of the sub bracket is fixed to the printed circuit board.

In addition, a printed circuit board is interposed between the heat sink and the sub bracket, and one end of the sub bracket is fixed to the heat sink by passing through the printed circuit board.

In addition, a cabinet is further installed at the edge of the panel, and the other end of the sub bracket is fixed to the cabinet.

In addition, a boss is formed in the cabinet, and the sub bracket is fastened and fixed to the boss of the cabinet.

A plasma display device according to a second aspect of the present invention includes a panel; A heat sink installed on a rear surface of the panel and having a flange formed in an outer direction of an edge of the panel; A back cover disposed behind the panel; It comprises a main bracket for supporting the panel by connecting the panel and the back cover, characterized in that the flange of the heat sink is connected to the main bracket is fixed.

Here, a boss is formed in the main bracket, and the flange is fastened and fixed to the boss of the main bracket.

In addition, a cabinet is further installed at the edge of the panel, and the flange is fixed to the cabinet.

In particular, a boss is formed in the cabinet, and the flange is fastened and fixed to the boss of the cabinet.

A plasma display device according to a third aspect of the present invention includes a panel; A heat sink installed on a rear surface of the panel; A back cover disposed behind the panel; A main bracket supporting the panel by connecting the panel and the back cover; It is installed on the edge of the heat sink, and comprises a lug protruding outward of the edge of the panel, characterized in that the lug is connected to the main bracket and the heat sink is fixed.

Here, a boss is formed in the main bracket, and the lug is fastened and fixed to the boss of the main bracket.

In addition, a cabinet is further installed at the edge of the panel, and the lug is fixed to the cabinet.

Meanwhile, a film type front filter is attached to the front surface of the panel, and the front filter induces electromagnetic interference (EMI) to the back cover through the main bracket.

In addition, the end of the boss is in close contact with the sub bracket, the boss is characterized in that the femnut.

Hereinafter, a plasma display panel of the present invention will be described with reference to the accompanying drawings.

3 is a cross-sectional view illustrating a fixing structure of the plasma display device according to the first embodiment of the present invention.

Plasma display panel according to the present invention (hereinafter referred to as "PDP device") is a heat sink that is installed on the panel 10, the back of the panel 10 to release heat generated in the panel 10 20, a film string front filter 15 attached to the front surface of the panel 10, a back cover 40 installed surrounding the rear surface of the panel 10, and an edge of the glass filter 30. It comprises a cabinet 50 is assembled with the back cover 40 while wrapping a portion, and a bracket mechanism for supporting the panel 10.

The panel 10 includes an upper substrate (not shown) on which a plurality of scan electrodes are formed, a plurality of address electrodes formed in a direction crossing the scan electrodes, and a lower substrate (not shown). Is composed of When the current between the scan electrodes and the address electrodes is applied, the phosphor generates visible light by discharge, and displays a predetermined image by adjusting the transmittance of the generated visible light.

The heat sink 20 is installed on the rear surface of the panel 10 to support the panel and to absorb and release heat generated from the panel 10.

A printed circuit board (“PCB”) 18 for driving the panel 10 is installed on the rear surface of the heat sink 20, and the PCB 18 is the heat sink 20. Is fixed to.

A plurality of driving integrated circuits (hereinafter referred to as "driver ICs") for supplying a data signal and a scan signal are connected to the scan electrodes and the address electrodes formed on the panel 10, respectively. The driver IC includes a scan driver IC and a data driver IC, each of which supplies a driving signal to the panel 10 in response to a control signal supplied from the PCB 18.

To this end, the PCB 18 and the panel 10 are connected by a flexible printed circuit (FPC) 14.

The data and scan driver IC is directly connected to the electrodes of the IC chip by the FPC 14, and is composed of a chip on film (COF) package wrapped with a resin. .

At this time, the FPC 14 is bent and installed to reduce the effective mounting area of the driver IC, whereby the driver ICs are located on the rear side of the panel 10.

In addition, the back cover 40 is spaced apart at a predetermined distance from the rear of the panel 10, the cabinet 50 is assembled to the back cover 40 wrapped around the edge and side of the panel 10.

On the other hand, the panel 10 is connected to the back cover 40 by the bracket mechanism, in the present embodiment by the main bracket 62 connecting the panel 10 and the back cover 40 The panel 10 is supported.

In addition, a film type front filter 15 is attached to the front of the panel 10, and the main bracket 62 connects the front filter 15 to the back cover 40.

Here, the front filter 15 is a film type filter on which an antireflection film, an optical characteristic film, an NIR shielding film, an EMI shielding film, etc. are formed and adhered to the front surface of the panel 10, and fixed to the front surface of the panel 10. When the PDP device is installed, the weight of the PDP device is reduced, and optical characteristics, diffuse reflection suppression, and color reproduction ability are improved.

And a copper foil 17 for inducing EMI is formed on the edge of the front filter 15, a metal gasket 16 is attached to the front surface of the copper foil 17, the copper foil 17 and the gasket EMI induced through 16 is induced into the back cover 40 through the main bracket 62.

In addition, a clamp (not shown) is installed at a side of the panel 10 to fix one end 62a of the main bracket 62 and the panel 10, and the clamp has one end of the main bracket 62. The side of the panel 62a and the panel 10 are simultaneously fixed.

Here, the main bracket 62 is formed in a 'c' shape to directly fix the panel 10 to the back cover 40, and the other end 62b of the main bracket 62 is the back cover ( It is in surface contact with the inner surface 41 of the 40, the other end 62b of the back cover 40 and the main bracket 62 is fixed by a screw 70 as a fastening member.

Here, a plurality of main brackets 62 are installed at the edges of the panel 10 to support the panel 10.

On the other hand, the cabinet 50 is formed of an 'L' cross-section so that one end (50a) covers a part of the edge of the panel 10, the other end (50b) is assembled to the side of the back cover (40).

Here, the cabinet 50 and the back cover 40 are assembled by screws 70 as fastening members, or ribs (not shown) or bosses (not shown) formed in the cabinet 50 and the back cover 40. ) Is fixed.

Thus, when the panel 10 is fixed and supported as described above, the cabinet 50 and the main bracket 62 are not fixed, and the cabinet 50 is coupled to the back cover 40 only. Lifting is not generated at one end 50a side of the cabinet 50.

4 is a cross-sectional view illustrating a fixing structure of the plasma display device according to the second embodiment of the present invention.

As shown in Fig. 4, the second embodiment according to the present invention has the same configuration as the first embodiment except that a sub bracket 64 is additionally installed in addition to the first embodiment.

Here, one end 64a of the sub bracket 64 is located at the rear of the heat sink 20, and the other end 64b is located at the outside of the panel 10.

And one end 64a is fastened to the screw 72 to the heat sink 20, the screw 72 is fastened to the PCB 18 and the heat sink 20 at the same time.

And the cabinet 50 is formed with a boss 52 protruding rearward, the other end 64b is fastened and fixed to the boss 52 by a screw 72.

In particular, the end of the boss 52 is in close contact with the sub bracket 64, the boss 52 secures the separation distance between the sub bracket 64 and the cabinet 50, the Protruding length does not cause the lifting phenomenon that occurred at the inner edge of the cabinet 50.

That is, the end of the boss 52 is formed to protrude further rearward than the one end 50a of the cabinet, so that the fastening between the sub bracket 64 and the cabinet 50 is made strong by the screw 72. Warping of the cabinet 50 does not occur.

On the other hand, the panel 10 is fixed to and supported by the back cover 40 located on the rear side by the main bracket 62, and the cabinet 50 located on the front side by the sub bracket 64. As the bar is fixed, the adhesion by the main / sub brackets 62 and 64 installed at the front and rear of the panel 10 is improved, and thus the holding force for supporting the panel 10 is also improved.

Hereinafter, since the rest of the configuration of the second embodiment is the same as the first embodiment, a detailed description thereof will be omitted.

5 is a cross-sectional view illustrating a fixing structure of a plasma display device according to a third embodiment of the present invention.

The third embodiment according to the present invention has the same configuration as the second embodiment except that the other end 62b of the sub bracket 64 is fixed to the main bracket 62 in the second embodiment.

Here, the main bracket 62 is formed with a boss 61 protruding rearward, the other end 64b of the sub bracket 64 is fixed to the boss 61 formed in the main bracket 62, the main The combination of the bracket 62 and the boss 61 is made by a screw 74 that is a fastening member.

Meanwhile, the other end 50b of the cabinet 40 has a structure fixed to and supported by the back cover 40 as in the first embodiment, and the rest of the configuration of the third embodiment is the same as that of the second embodiment. Omit the description.

6 is a rear view illustrating a heat sink of a plasma display device according to a fourth embodiment of the present invention, and FIG. 7 is a cross-sectional view illustrating a fixing structure of the plasma display device according to a fourth embodiment of the present invention. Is a flow chart illustrating a typical tox binding process.

The fourth embodiment according to the present invention is the same as the second embodiment except that the flat sub bracket 66 is used instead of the bent sub bracket 64 in the second embodiment.

Here, the sub bracket 66 is coupled to the heat sink 20 and the tox (TOX), and the tox coupling is one of a kind of butt-facing the facing plates in the order shown in FIG. 8.

Therefore, when the sub bracket 66 is formed along the edge of the heat sink 20 as described above, the rigidity of the heat sink 20 and the panel 10 is increased, the sub bracket 66 is the main When the bracket 62 or the cabinet 50 is connected and fixed, the support force for the panel 10 is further improved.

Hereinafter, since the rest of the configuration for the fourth embodiment is the same as the second embodiment, a detailed description thereof will be omitted.

9 is a rear view illustrating a heat sink of a plasma display device according to a fifth embodiment of the present invention, and FIG. 10 is a cross-sectional view illustrating a fixing structure of the plasma display device according to a fifth embodiment of the present invention.

As shown in FIG. 9 or FIG. 10, the heat sink 20 according to the present invention includes a plurality of flanges 22 integrally formed at edges and lugs 24 formed at four corners of the heat sink 20, respectively. The flange 22 and the lug 24 are formed to protrude outward.

Here, a plurality of holes are formed in the lug 24 and are fastened to the back cover 40 and the heat sink 20.

In addition, the fifth embodiment of the present invention excludes fixing the heat sink 20 and the main bracket 62 by using the flange 22 and the lug 24 instead of the sub bracket 64 in the second embodiment. And the same configuration as in the second embodiment.

Thus, the cabinet 50 is formed with a boss 52 protruding rearward, and the heat sink 20 and the cabinet (by the screw 76 fastened from the rear of the flange 22 or the lug 24). 50) is fastened.

Hereinafter, since the rest of the configuration for the fifth embodiment is the same as the second embodiment, a detailed description thereof will be omitted.

11 is a cross-sectional view illustrating a fixing structure of a plasma display device according to a sixth embodiment of the present invention.

In the sixth embodiment according to the present invention, a pemnut (PEM NUT) 63 having a boss function and a flange 22 or a lug 24 are fastened to the main bracket 62 in the fifth embodiment. It has the same configuration as in the fifth embodiment.

Here, the femnut 63 protrudes rearward through the main bracket 62, and the screw 78 is fastened to the femnut 63 through the flange 22 or the lug 24 so that the heat sink Fix 20 to the main bracket 62.

Hereinafter, since the rest of the configuration of the sixth embodiment is the same as the fifth embodiment, a detailed description thereof will be omitted.

As described above, the plasma display panel device according to the present invention has been described with reference to the illustrated drawings, but the present invention is not limited to the embodiments and drawings described in the present specification, and is provided to those skilled in the art within the scope of the technical idea of the present invention. Application is possible.

Plasma display device according to the present invention configured as described above is not only to reduce the thickness using a film-type filter instead of the conventional glass filter, but also because the structure is simple because the main bracket for supporting the panel is directly connected to the back cover and fixed. There is a repelling effect.

Thus, unlike the related art, the plasma display apparatus according to the present invention has the effect of preventing the lifting phenomenon generated at the inner edge of the cabinet by eliminating the fastening of the main bracket and the cabinet.

In addition, in the plasma display apparatus according to the present invention, a sub bracket is fixed to a heat sink positioned at the rear of the panel, and the supporting force of the panel is improved because the sub bracket is fixed by connecting the main bracket or cabinet positioned at the front of the panel. It works.

In addition, since the plasma display apparatus according to the present invention connects and fixes the flange or lug of the heat sink located at the rear of the panel and the main bracket or cabinet located at the front of the panel, the supporting force of the panel is improved.

In addition, in the plasma display device according to the present invention, a boss is formed in the cabinet when the cabinet and the sub bracket are fastened, and since the boss maintains a separation distance between the cabinet and the sub bracket, the lifting phenomenon generated at the inner edge of the cabinet is prevented. It has the effect of being prevented.

In addition, the plasma display device according to the present invention has an effect of improving the rigidity of the panel because the sub bracket is installed at the edge of the heat sink.

Claims (16)

A panel; A heat sink installed on a rear surface of the panel; A back cover disposed behind the panel; A main bracket supporting the panel by connecting the panel and the back cover; And a sub bracket protruding from the rear surface of the heat sink toward the outside of the edge of the panel to fix the heat sink and the main bracket. The method according to claim 1, A boss is formed in the main bracket, and the other end of the sub bracket is fastened and fixed to the boss of the main bracket. The method according to claim 1, And a printed circuit board interposed between the heat sink and the sub bracket, and one end of the sub bracket is fixed to the printed circuit board. The method according to claim 1, And a printed circuit board interposed between the heat sink and the sub bracket, and one end of the sub bracket is fixed to the heat sink through the printed circuit board. The method according to claim 1, A cabinet is further provided at an edge of the panel, and the other end of the sub bracket is fixed to the cabinet. The method according to claim 5, A boss is formed in the cabinet, and the sub bracket is fastened and fixed to the boss of the cabinet. A panel; A heat sink installed on a rear surface of the panel and having a flange formed in an outer direction of an edge of the panel; A back cover disposed behind the panel; It comprises a main bracket for supporting the panel by connecting the panel and the back cover, And the flange of the heat sink is fixed to the main bracket. The method according to claim 7, A boss is formed in the main bracket, and the flange is fastened and fixed to the boss of the main bracket. The method according to claim 7, A cabinet is further provided at an edge of the panel, and the flange is fixed to the cabinet. The method according to claim 9, A boss is formed in the cabinet, and the flange is fastened and fixed to the boss of the cabinet. A panel; A heat sink installed on a rear surface of the panel; A back cover disposed behind the panel; A main bracket supporting the panel by connecting the panel and the back cover; Is installed at the corner of the heat sink, and comprises a lug protruding toward the outer edge of the panel, The lug is connected to the main bracket and the heat sink is fixed to the plasma display device. The method according to claim 11, A boss is formed in the main bracket, and the lug is fastened and fixed to the boss of the main bracket. The method according to claim 11, A cabinet is further provided at an edge of the panel, and the lug is fixed to the cabinet. The method according to any one of claims 1 to 13, A film type front filter is attached to the front surface of the panel, and the front filter induces electromagnetic interference (EMI) to the back cover through the main bracket. The method according to claim 2 or 6, The end of the boss is in close contact with the sub bracket. The method according to any one of claims 2, 6, 8, 10, 12, And the boss is a femnut.

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