KR100637212B1 - Structure for mounting board and flat panel display apparatus comprising the same - Google Patents

Abstract

The present invention provides a substrate mounting structure and a flat panel display device having the same, which can be more easily mounted on the chassis and common to the chassis and can be used without modifying the existing chassis despite the design change. A first substrate coupled to the chassis by providing a plurality of first protrusions disposed on at least one surface of the chassis and at least one second protrusion having an end surface with a groove into which the first protrusion is inserted; Provided is a substrate mounting structure and a flat panel display device having the same.

Description

Structure for mounting board and flat panel display apparatus having the same

1 is a perspective view schematically showing a conventional flat panel display device.

FIG. 2 is an enlarged cross-sectional view schematically illustrating that a substrate of the flat panel display device of FIG. 1 is fixed to a chassis.

3 is a partially cutaway exploded perspective view schematically illustrating a substrate mounting structure according to an exemplary embodiment of the present invention.

4 is an exploded cross-sectional view schematically illustrating the substrate mounting structure of FIG. 3.

5 is an exploded cross-sectional view schematically showing a substrate mounting structure according to another preferred embodiment of the present invention.

 6 is an exploded cross-sectional view schematically showing a modification of the substrate mounting structure of FIG. 5.

7 is an exploded cross-sectional view schematically showing a substrate mounting structure according to another preferred embodiment of the present invention.

8 is an exploded cross-sectional view schematically showing a substrate mounting structure according to another preferred embodiment of the present invention.

9 is an exploded cross-sectional view schematically showing a modification of the substrate mounting structure of FIG. 8.

10 is an exploded cross-sectional view schematically showing a substrate mounting structure according to another preferred embodiment of the present invention.

11 is an exploded perspective view schematically illustrating a flat panel display device according to another exemplary embodiment of the present invention.

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

130: chassis 131: first protrusion

132: second protrusion 133: third protrusion

134: fourth protrusion 138: element

151: first substrate 152: second substrate

The present invention relates to a substrate mounting structure and a flat panel display device having the same. More particularly, the substrate can be more easily mounted on the chassis, and the chassis can be shared so that the existing chassis can be used without modifying the existing chassis. It relates to a substrate mounting structure and a flat panel display device having the same.

Recently, flat panel display (FPD) devices have been actively developed. Such flat panel display apparatuses include liquid crystal displays, plasma display apparatuses, field emission display apparatuses, and vacuum fluorescent elements.

Such flat panel display devices have recently been in the spotlight because they can be flattened, reduced in weight, and thinned as compared to the cathode ray tube (CRT: Cathode-ray tube).

1 is a perspective view of a conventional plasma display device 1 that is an example of such a flat panel display device, and FIG. 2 is a schematic enlarged cross-sectional view of a structure in which a substrate 51 of the plasma display device of FIG. 1 is mounted on a chassis 30. to be.

As shown in the drawings, a plasma display apparatus typically includes a plasma display panel 20 having glass material substrates 21 and 22 opposed to each other, a circuit for driving the plasma display panel 20, and the like. And at least one substrate 51, a chassis 30 for supporting the plasma display panel 20 and the substrate 51, and cabinets 5 and 10 for housing them. An opening 11 is formed in the front cabinet 10 so that the image can be viewed from the outside, and a filter 12 may be provided to block electromagnetic waves. The rear cabinet 5 is provided with an upper through 41 and a lower through 42 so that heat generated in a plasma display panel, an integrated circuit, or the like is discharged to the outside.

The power supply device and various elements 38 and the like are arranged on the substrate 51, and the substrate 51 is provided in the chassis 30. A substrate hole 51a for fixing is formed in the substrate 51, and a boss 31 having a female thread portion is provided in the chassis 30.

The chassis 30 is usually made of a metal such as aluminum and manufactured by casting or pressing as needed. Since the chassis 30 has a thin thickness, the chassis 30 is generally used by attaching a reinforcement 48 at an appropriate position to compensate for rigidity. And the cover plate 50 may be further provided on the upper portion.

The board | substrate 51 in which the various elements 38 etc. are arrange | positioned is connected to the chassis 30 by couple | bonding the screw bolt 32 in which the external thread was formed through the board | substrate hole 51a to the female thread part of the boss 31 of the chassis. Is mounted. That is, in the flat panel display apparatus such as the conventional plasma display apparatus, the substrate 51 is fixed to the chassis 30 using only the boss 31 and the screw bolt 32.

However, since the substrate mounting structure of the conventional plasma display device is a structure in which the substrate 51 is fixed to the chassis 30 using only the boss 31 and the screw bolt 32, the boss 31 having the female thread part is manufactured. And complicated processes for installing the manufactured boss 31 in the chassis 30 are required, as well as the process of mounting the substrate 51 to the chassis 30 using the screw bolts 32, and the like. There was a problem that the whole process is complicated and time-consuming and expensive. In addition, as the size of the substrate 51 and the mounting position of the substrate 51 change according to the design change of the flat panel display device, the position of the boss 31, etc. provided in the chassis 30 must also be changed. There was a problem such that it could not be used.

Disclosure of Invention The present invention has been made to solve various problems, including the above-mentioned problems, and the board can be more easily mounted on the chassis and the chassis can be shared so that the board can be used without modifying the existing chassis despite the design change. An object of the present invention is to provide a structure and a flat panel display device having the same.

In order to achieve the above object and various other objects, the present invention provides a chassis, a plurality of first protrusions disposed on at least one surface of the chassis, and a groove into which the first protrusion is inserted in an end face. At least one second protrusion is provided on one surface to provide a substrate mounting structure comprising a first substrate coupled to the chassis.

The present invention also provides a chassis, a plurality of first protrusions disposed on at least one surface of the chassis and having grooves on end surfaces thereof, and at least one inserted into the grooves of the first protrusions. It provides a substrate mounting structure comprising a first substrate coupled to the chassis having a second protrusion on one surface.

According to such another feature of the present invention, it is possible to further include at least one third protrusion on the other surface of the first substrate.

According to still another feature of the present invention, a second substrate coupled to the first substrate may be further provided by providing at least one fourth protrusion provided on one end with a groove into which the third protrusion is inserted. Can be.

According to still another feature of the present invention, the other surface of the first substrate may further include at least one third protrusion having a groove at an end surface.

According to still another feature of the present invention, the second substrate may further include a second substrate coupled to the first substrate by including at least one fourth protrusion inserted into the groove of the third protrusion.

According to another feature of the invention, the first protrusions may be arranged at equal intervals.

According to another feature of the invention, it may be further provided with an auxiliary fastening means to assist the coupling of the chassis and the first substrate.

According to another feature of the invention, the auxiliary fastening means may be provided with a boss formed on one surface of the chassis, and a screw threaded to the boss through the first substrate.

According to another feature of the invention, it may be further provided with an auxiliary fastening means to assist the coupling of the first substrate and the second substrate.

According to another feature of the invention, the auxiliary fastening means may be provided with a boss formed on the other surface of the first substrate, and a screw threaded to the boss through the second substrate.

According to still another feature of the present invention, the chassis may be a plastic chassis.

According to still another feature of the present invention, the chassis and the first protrusion may be integrally formed.

The present invention also provides a flat panel display device comprising a substrate mounting structure as described above, and a display panel coupled to the substrate mounting structure to implement an image.

According to another aspect of the present invention, the display panel may be a plasma display panel.

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

3 is a partially cutaway exploded perspective view schematically showing a substrate mounting structure according to a first preferred embodiment of the present invention, and FIG. 4 is an exploded cross-sectional view schematically showing the substrate mounting structure of FIG.

Referring to the drawings, the substrate mounting structure according to the present embodiment includes a chassis 130 and a first substrate 151 coupled thereto. One surface of the chassis 130, that is, a surface to which the first substrate 151 is coupled, is provided with a plurality of first protrusions 131. If necessary, another substrate or power supply may be provided on the other surface of the chassis 130. In this case, a plurality of protrusions may be provided on the other surface thereof. This is also the same in the embodiments and modifications described later.

At least one second protrusion 132 is also provided on one surface of the first substrate 151 provided with the power supply device or various elements 138, that is, the surface facing the chassis 130. The groove 132a is formed in the end surface of the. The groove 132a of the second protrusion is where the first protrusion 131 provided in the chassis 130 is inserted, and the first substrate is formed by the combination of the first protrusion 131 and the second protrusion 132. 151 is coupled to the chassis 130.

As described above, the conventional board mounting structure arranges a boss having a female threaded portion in the chassis, forms a substrate hole in the substrate, and connects the substrate to the chassis by coupling a screw bolt having a male thread to the boss of the chassis through the hole. It was a structure to be mounted, therefore, there was a problem in that a complex process of forming a female thread and a male thread and a complicated coupling process of rotating a screw bolt to a boss were required. However, the substrate mounting structure according to the present exemplary embodiment may insert the first protrusion 131 formed on the chassis 130 into the groove 132a of the second protrusion formed on the first substrate 151. Since the process of forming the 131 and the second protrusion 132 and the process of combining the protrusions 131 and 132 are also simple, the substrate can be more easily mounted to the chassis while increasing the manufacturing yield.

In addition, as shown in FIG. 3, the first protrusions 131 provided in the chassis 130 may necessarily correspond one-to-one with the second protrusions 132 provided in the first substrate 151 to be mounted. There is no need. That is, the plurality of first protrusions 131 may be formed in the chassis 130, and as necessary, the first protrusions 131 may be formed on the first substrate 151 at the first protrusions at an appropriate position among the plurality of first protrusions 131. The provided second protrusions 132 may be coupled to each other. Through the use of such a chassis, even if the design of an object having a board mounting structure is changed, the conventional chassis can be utilized without modifying the conventional chassis without having to discard the conventional chassis and redesign and manufacture a new chassis. In this case, for convenience, the first protrusions 131 may be provided at equal intervals.

The first protrusion 131 may be integrally formed with the chassis 130, and the second protrusion 132 may be integrally formed with the first substrate 151, thereby simplifying the manufacturing process. You can.

5 is an exploded cross-sectional view schematically showing a substrate mounting structure according to a second preferred embodiment of the present invention. Referring to FIG. 5, at least one third protrusion 133 is further provided on the other surface of the first substrate 151 coupled to the chassis 130 unlike the substrate mounting structure according to the above-described embodiment. At least one fourth protrusion 134 is provided on the second substrate 152 coupled to the first substrate 151 to face the other surface of the first substrate 151. The groove 134a is formed in the end surface. The groove 134a of the fourth protrusion is where the third protrusion 133 provided in the first substrate 151 is inserted, and the third protrusion 133 and the fourth protrusion 134 are formed by the combination of the third protrusion 133 and the fourth protrusion 134. The second substrate 152 is coupled to the first substrate 151. In this way, the third protrusion 133 is provided on the other surface of the first substrate 151 coupled to the chassis 130, and the fourth protrusion 134 having a groove into which the third protrusion 133 is inserted is provided. By coupling the second substrate 152 to the first substrate 151 by the combination of the third protrusion 133 and the fourth protrusion 134, a plurality of substrates may be efficiently coupled to a limited chassis space. . Of course, the second substrate 151 may be modified in various ways, such as not only a circuit board but also a three-top box.

Meanwhile, in FIG. 5, the third protrusion 133 is provided on the other surface of the first substrate 151, and the fourth protrusion 134 having grooves formed on the end surface thereof is provided on one surface of the second substrate 152. Although the first substrate 151 and the second substrate 152 are combined, various modifications are possible as well. That is, as in the substrate mounting structure according to the modification illustrated in FIG. 6, at least one third protrusion 133 having a groove 133a is provided on the other end of the first substrate 151 and the second substrate ( The fourth protrusion 134 is provided on one surface of the 152 so that the fourth protrusion 134 is inserted into the groove 133a of the third protrusion so that the first substrate 151 and the second substrate 152 are coupled to each other. You may. Of course, the substrate mounting structure according to the second embodiment and the substrate mounting structure according to the present modification may be used in combination. In addition to the first substrate 151 and the second substrate 152, other substrates or devices may be further combined in the same manner, such that various modifications are possible.

7 is an exploded cross-sectional view schematically showing a substrate mounting structure according to a third preferred embodiment of the present invention.

The substrate mounting structure according to the present embodiment differs from the substrate mounting structure according to the first embodiment described above in that the groove 131a is formed in the end surface of the first protrusion 131 provided in the chassis 130. The first substrate 151 is coupled to the chassis 130 by inserting the second protrusion 132 provided in the first substrate 151 into the groove 131a of the first protrusion. As such, various modifications are possible. In addition, like the substrate mounting structure according to the fourth exemplary embodiment of the present invention illustrated in FIG. 8, the third protrusion 133 may be provided on the other surface of the first substrate 151 and may be disposed on one surface of the second substrate 152. The fourth protrusion 134 having the groove 134a formed on the lower surface thereof may be provided such that the first substrate 151 and the second substrate 152 are coupled to each other. Of course, as shown in FIG. 9, a third protrusion 133 having a groove 133a formed at an end surface of the other surface of the first substrate 151 is provided, and a fourth protrusion (one side of the second substrate 152 is formed). Various modifications are possible such that the 134 may be provided such that the first substrate 151 and the second substrate 152 may be coupled to each other.

10 is an exploded cross-sectional view schematically showing a substrate mounting structure according to a fifth preferred embodiment of the present invention.

The board mounting structure according to the present embodiment is different from the board mounting structure according to the first embodiment described above, which is provided on one surface of the first protrusion 131 and the first substrate 151 provided in the chassis 130. The chassis 130 and the first substrate 151 are coupled to each other by the combination of the second protrusion 132, and the boss 130 having the female threaded portion is further provided on the chassis 130 and the first substrate 151 is provided. By coupling the screw bolt 162 having the male threaded portion with the boss 161 through the substrate hole 151a formed in the upper and lower sides thereof, the coupling between the chassis 130 and the first substrate 151 is more secure. Of course, such an auxiliary fastening means may be provided in the substrate mounting structure according to the above-described embodiments and modifications as necessary.

As described above, various flat panel display devices have recently been researched and developed. The flat panel display device includes a display panel for implementing an image, a chassis on which a substrate including a circuit and a power supply device for driving the display panel is mounted. . Accordingly, the substrate mounting structure according to the various embodiments and modifications described above may be applied to various flat panel display apparatuses. FIG. 11 is a plasma display apparatus implementing an image using gas discharge. It is shown that the substrate mounting structure is applied.

As described above, the flat panel display apparatus includes the substrate mounting structure as described above, thereby manufacturing the flat panel display apparatus more cheaply and quickly.

According to the substrate mounting structure and the flat panel display device having the same according to the present invention made as described above, the following effects can be obtained.

First, by combining the chassis and the substrate by having a protrusion provided on one surface of the chassis and the substrate and a protrusion formed on the end surface of the groove on which the protrusion can be inserted on the other surface, the conventional screw bolt Using a and boss can simplify the process and facilitate the joining rather than joining the chassis and substrate.

Second, by providing a plurality of protrusions in the chassis and optionally using protrusions when mounting the substrate, the conventional chassis is shared without the need to discard the conventional chassis and manufacture a new type of chassis by changing the design. Can be used.

Third, by applying a coupling structure of a protrusion having a protrusion and a groove into which the protrusion is inserted, a plurality of substrates having a plurality of layers may be coupled to one chassis, thereby effectively utilizing a limited space of the chassis.

Although the present invention has been described with reference to the embodiments shown in the drawings, these are merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

Claims (15)

Chassis; A plurality of first protrusions disposed on at least one surface of the chassis; And And a first substrate having at least one second protrusion provided on one end thereof with a groove into which the first protrusion is inserted, coupled to the chassis. Chassis; A plurality of first protrusions disposed on at least one surface of the chassis and having grooves at end surfaces thereof; And And a first substrate coupled to the chassis by providing at least one second protrusion inserted into a groove of the first protrusion on one surface thereof. The method according to claim 1 or 2, And at least one third protrusion on the other surface of the first substrate. The method of claim 3, wherein And a second substrate coupled to the first substrate by having at least one fourth protrusion provided on one surface thereof with a groove into which the third protrusion is inserted. The method according to claim 1 or 2, And at least one third protrusion having a groove at an end surface on the other surface of the first substrate. The method of claim 5, And a second substrate coupled to the first substrate by having at least one fourth protrusion inserted into a groove of the third protrusion on one surface thereof. The method according to claim 1 or 2, And the first protrusions are arranged at equal intervals. The method according to claim 1 or 2, Substrate mounting structure further comprises an auxiliary fastening means for assisting the coupling of the chassis and the first substrate. The method of claim 8, The auxiliary fastening means has a boss formed on one surface of the chassis, and a substrate mounting structure characterized in that it comprises a screw threaded to the boss through the first substrate. The method according to claim 1 or 2, Substrate mounting structure further comprises an auxiliary fastening means for assisting the coupling of the first substrate and the second substrate. The method of claim 10, And the auxiliary fastening means includes a boss formed on the other surface of the first substrate and a screw penetrating the second substrate and screwed to the boss. The method according to claim 1 or 2, The chassis is a substrate mounting structure, characterized in that the plastic chassis. The method according to claim 1 or 2, And the chassis and the first protrusion are integrally formed. 12. A substrate mounting structure according to any one of claims 1, 2, 4, 6, 9 and 11. And a display panel coupled to the substrate mounting structure to implement an image. The method of claim 14, And the display panel is a plasma display panel.

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