KR20070046676A - Plasma display apparatus - Google Patents

Abstract

The present invention relates to a plasma display device.

The present invention provides a plasma display device including a frame having at least one fixing protrusion supporting a plasma display panel at an edge thereof, a driving unit attached to the frame to electrically apply a driving signal to the plasma display panel, and electrically connecting the driving unit with a plasma display panel. It includes a film-like element having at least one fixing groove to correspond to the fixing projections.

Plasma Display Device, Frame, Driver, Film Type Device

Description

Plasma Display Apparatus {Plasma Display Apparatus}

1 is a structural diagram schematically showing the structure of a conventional plasma display device;

2 is a side cross-sectional view of main parts of a lower end of a conventional plasma display device;

3 is a diagram schematically illustrating a lower end portion of a plasma display apparatus to which an embodiment of the present invention is applied.

Figure 4 is a side cross-sectional view of the main portion of the lower portion of the plasma display device according to an embodiment of the present invention.

5 illustrates a frame of a plasma display device according to an embodiment of the present invention.

6 is a view schematically showing the shape of a COF film for plasma display panel according to an embodiment of the present invention.

7 is a view schematically showing the shape of a TCP film for a plasma display panel according to an embodiment of the present invention.

(Explanation of symbols for the main parts of the drawing)

400: frame 410: film type element

412: boss 413: connector

420: fixing protrusion 421: fixing groove

430 panel 440 drive unit

The present invention relates to a plasma display device, and more particularly, to a plasma display device that can improve productivity by modifying the shape of a film-like element and a frame to enhance fastening.

In general, a plasma display panel (Plasma Display Panel) is a partition wall formed between the front substrate and the rear substrate to form a unit cell, each of the neon (Ne), helium (He) or a mixture of neon and helium ( The main discharge gas such as Ne + He) and an inert gas containing a small amount of xenon are filled. When discharged by a high frequency voltage, the inert gas generates vacuum ultraviolet rays and emits phosphors formed between the partition walls to realize an image. Such a plasma display panel has been spotlighted as a next generation display device because of its thin and light configuration.

1 is a structure schematically showing the structure of a conventional plasma display device. As shown, the plasma display device excites the phosphor with a case 110 including a front cabinet 111 and a back cover 112 that determine an appearance, and vacuum ultraviolet rays caused by gas discharge inside the case. Plasma display panel 120 for realizing an image, a driving device 130 including a PCB to drive and control the plasma display panel, and connected to the driving device to emit heat generated when driving the plasma display device It includes a frame 140 for supporting the plasma display panel.

In addition, while supporting the filter 150 and the filter 150 formed by attaching a film to a transparent glass substrate (not shown) with a predetermined distance to the front surface of the plasma display panel, and electrically connected to the metal back cover. Finger spring gasket (160) and filter support (Filter Supporter, 170) for connecting, and a module supporter (Module Supporter, 180) for supporting the PDP including the drive device.

In the manufacturing process of the conventional plasma display apparatus having such a structure, first, a plasma display panel that implements the image is manufactured, and then a frame and a driving device installed on the rear surface of the plasma display panel are assembled to form a module of the plasma display panel. To make. Thereafter, a case 110 for determining the appearance of the plasma display panel is formed to manufacture a plasma display device as a finished product.

2 is a side cross-sectional view of main parts of a lower portion of a conventional plasma display device.

As shown in FIG. 2, a frame 200 is formed on a rear surface of the plasma display panel 230, a film type device 210 is provided at a lower end of the frame 200, and the film type 210 is a boss. The driver 240 coupled to the frame 200 by the 212 and the plasma display panel 230 are connected to each other.

The frame 200 emits heat generated when the driving unit 240 of the plasma display panel 230 is driven, and supports the plasma display panel 230 including the front substrate 231 and the rear substrate 232.

The film type device 210 applies a signal output from the data board of the driver 240 to the data electrode line. The film type device 210 generates a large amount of heat in the integrated device IC when the driving unit 240 is driven.

However, in the conventional structure, the film type device 210 electrically connecting the plasma display panel 230 and the driving unit 240 may have a connector (not shown) directly on the driving unit 240 without any fastening on the frame 200. By connecting to the) can cause a fastening failure, resulting in workability is lowered productivity.

Therefore, the technical problem to be achieved by the present invention is to provide a plasma display device that can strengthen the fastening by modifying the shape of the film-like device and the frame.

Technical problems to be achieved by the present invention are not limited to the above-mentioned technical problems, and other technical problems not mentioned above will be clearly understood by those skilled in the art from the following description. Could be.

In accordance with another aspect of the present invention, a plasma display device includes a frame formed at an edge of at least one fixing protrusion supporting a plasma display panel and attached to the frame to apply a driving signal to the plasma display panel. And a film type device electrically connected to the driving unit, the plasma display panel and the driving unit, and having at least one fixing groove to correspond to the fixing protrusion.

In addition, it is preferable that the fixing protrusions are 2-6.

In addition, the driving unit is preferably a data driving unit.

In addition, the film type device is preferably any one of a chip on film (COF) or a tape carrier package (TCP).

Specific details of other embodiments are included in the detailed description and the drawings. Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. Like reference numerals refer to like elements throughout.

Referring to FIG. 3, a lower end portion of a plasma display apparatus to which an embodiment of the present invention is applied will be described. 3 is a diagram schematically illustrating a lower end portion of a plasma display apparatus to which an embodiment of the present invention is applied.

As shown in FIG. 3, the lower end of the plasma display apparatus to which an embodiment of the present invention is applied is provided on the frame 300 of the plasma display apparatus, the Y driving board 310, the Z sustainer board 320, and the data. The driver board 330, the control board 340, and a power board (not shown) are formed.

The Y driving board 310 drives the scan electrode lines Y1 to Ym of the plasma display panel 350 including the front substrate 351 and the rear substrate 352. The Y driving board 310 includes a scan driver board 311 and a scan board 312. The scan driver board 311 supplies the scan pulse and the reset pulse to the scan electrode lines Y1 to Ym of the plasma display panel 350 via the FPC (Flexible Printed Circuit) 313. The scan board 312 supplies a sustain pulse to the scan electrode lines Y1 to Ym via the scan driver board 311 and the FPC 313.

The Z sustainer board 320 drives the sustain electrode lines Z1 to Zm. The Z sustainer board 320 generates a bias pulse and a Z sustain pulse and supplies them to the sustain electrode lines Z1 to Zm of the plasma display panel 350 via the FPC 321.

The data driver board 330 drives the data electrode lines X1 to Xm. The data driver board 330 generates data pulses and supplies the data pulses to the data electrode lines X1 to Xn of the plasma display panel 350 via the film type element 331. Here, the film element 331 is made of a Chip on Film (COF) or a Tape Carrier Package (TCP) having wiring for connection.

The control board 340 controls the Y driving board 310, the Z sustainer board 320, and the data driver board 330. The control board 340 generates each of the X, Y, and Z timing control signals. The control board 340 transmits the Y timing control signal to the Y driving board 310 via the FPC 341, the Z timing control signal to the Z sustainer board 320 via the FPC 342, and the FPC. The X timing control signal is supplied to the data driver board 330 via the 343.

The power board supplies power to each of the boards 310, 320, 330, and 340.

The Y driving board 310, the Z sustainer board 320, the data driver board 330, the control board 340, and the power board are fastened to the frame 300 by using a plurality of bosses (not shown). .

4 to 6, a plasma display apparatus according to an exemplary embodiment of the present invention will be described.

4 is a side cross-sectional view of main parts of a lower portion of a plasma display device according to an exemplary embodiment of the present invention.

As shown in FIG. 4, a plasma display panel 430, a frame 400, a driver 440, and a film type device 410 are provided at a lower end portion of the plasma display apparatus according to an exemplary embodiment.

The plasma display panel 430 includes a front substrate 431 in which a plurality of sustain electrode pairs are formed by pairing a scan electrode and a sustain electrode, and a rear substrate 432 in which a plurality of address electrodes are arranged so as to cross the plurality of sustain electrode pairs. Is made by coalescence.

The frame 400 supports the plasma display panel 430 on the front surface, and the driving unit 440 is attached to the upper surface of the frame 400 by using the plurality of bosses 412.

In addition, at least one fixing protrusion 420 is formed at the upper edge of the frame 400 to be coupled to the fixing groove 421 of the film type device 410 to be described later.

5 shows a frame of a plasma display device according to an embodiment of the present invention. As shown in Figure 5, the upper edge of the frame 500 is preferably two to six fixing protrusions 520, more preferably four fixing protrusions 520 is preferred.

Referring again to FIG. 4, the driver 440 includes a PCB to drive and control the plasma display panel 430 and is mounted on the frame 400 through the boss 412. The driver 440 is a data driver and applies a driving signal to the plasma display panel 430.

One end of the film type device 410 is connected to the data board of the driving unit 440 through the connector 413, and the other end thereof is connected to the electrode pad of the plasma display panel 430 exposed to the outside of the data electrode. The panel 430 and the driver 440 are electrically connected to each other. As a result, the signal output from the data board is applied to the data electrode line (not shown).

The film type device 410 according to an exemplary embodiment of the present invention includes at least one fixing groove 421 to correspond to the fixing protrusion 420 formed on the edge of the frame 400 described above. At this time, the film-like element 410 forms a fixing groove 421 unlike the prior art, and is fastened to the fixing protrusion 420 on the frame 400.

As a result, the occurrence of a fastening failure which has occurred conventionally is reduced, and productivity can be increased due to an increase in workability.

Here, the film type device 410 is made of any one of a chip on film (COF) or a tape carrier package (TCP) having wiring for connection.

6 to 7 will be described in detail with respect to the COF film and TCP film according to an embodiment of the present invention.

6 is a view schematically showing the shape of the COF film for plasma display panel according to an embodiment of the present invention.

As shown in FIG. 6, the COF film is formed of a flexible substrate 625 having a panel connection part 624 connected to the display panel 620 and a signal input part 622 to which a driving signal is input, and the data driver IC. 623 is mounted on the upper surface of the flexible substrate 625 by a conductive adhesive 623a. The COF film for a plasma display panel having such a structure is designed to be fastened to the fixing protrusion 420 on the frame 400 by forming a fixing groove 621 on the upper surface of the flexible substrate 625 to prevent the fastening failure. can do.

7 is a view schematically showing the shape of a TCP film for a plasma display panel according to an embodiment of the present invention.

As shown in FIG. 7, the TCP film includes a panel connector 724 connected to a plasma display panel (not shown), a signal input unit 722 fastened to a PCB connector (not shown) opposite to the panel connector, and a signal. When a driving data signal is applied to the input unit 722, a data driver IC 723 for driving the plasma display panel is attached to the base film 720 with a conductive adhesive 723a.

The TCP film for the plasma display panel having such a structure is designed to be fastened to the fixing protrusion 420 on the frame 400 by forming a fixing groove 721 on the base film 720 to prevent the fastening failure. can do.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains can understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features. will be. Therefore, the above-described embodiments are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the appended claims rather than the detailed description, and the meaning and scope of the claims and All changes or modifications derived from the equivalent concept should be interpreted as being included in the scope of the present invention.

Plasma display device according to an embodiment of the present invention made as described above by modifying the shape of the film element and the frame to strengthen the fastening, there is an effect that can prevent the fastening failure and improve the productivity.

Claims (4)

A frame formed at an edge of at least one fixing protrusion for supporting the plasma display panel; A driving unit attached to the frame to apply a driving signal to the plasma display panel; A film type device electrically connected to the plasma display panel and the driving unit and having at least one fixing groove to correspond to the fixing protrusion. Plasma display device comprising a. The method of claim 1, Plasma display device characterized in that the fixing projections are 2 to 6. The method of claim 1, And the driver is a data driver. The method of claim 1, The film type device is any one of a chip on film (COF) or a tape carrier package (TCP).

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