KR20060082469A - Container for liquid crystal display device - Google Patents

Abstract

A storage container for a liquid crystal display device is provided. The storage container for a liquid crystal display device includes: a first storage container having a plurality of locking projections on a sidewall, and a groove formed between the plurality of locking projections and having at least two stress concentration sites to minimize strain-induced stress on external energy; And a second accommodating container having a plurality of hooks formed therein to be engaged with the first accommodating container. Here, the groove includes first and second openings branched from an open straight lower portion and an upper end of the open straight lower portion, the first and second openings being formed at an angle of 30 degrees to 120 degrees from the straight lower axis. Can be.

Top Chassis, Bottom Chassis, Jams, Strain Induced Stresses

Description

Storage container for liquid crystal display device {Container for liquid crystal display device}

1 is a perspective view showing a chassis for a liquid crystal display device according to the prior art.

2 is an exploded perspective view illustrating a liquid crystal display and a chassis accommodating the liquid crystal display according to the exemplary embodiment.

3 is a view partially showing sidewalls of a top chassis for a liquid crystal display according to an exemplary embodiment of the present invention.

4 is a view partially illustrating a side wall of a top chassis for a liquid crystal display according to another exemplary embodiment of the present invention.

5 is a view partially illustrating a side wall of a top chassis for a liquid crystal display according to another exemplary embodiment of the present invention.

6 is a simulation diagram illustrating strain-induced stress with respect to a specific load of a chassis for a liquid crystal display device having a T-shaped groove according to an exemplary embodiment of the present invention.

FIG. 7 is a simulation diagram illustrating strain-induced stress with respect to a specific load of a chassis for a liquid crystal display device having a Y-shaped groove according to another exemplary embodiment of the present invention.

The present invention relates to a storage container for a liquid crystal display device, and more particularly, to a storage container for a liquid crystal display device capable of minimizing strain-induced stress.

Liquid crystal display devices (LCDs) have been rapidly developed and disseminated in recent years due to their small size, light weight, easy portability, and low power consumption compared to display areas.

The liquid crystal display device forms a body including a liquid crystal display for displaying an image signal and a backlight unit mounted on a rear surface of the liquid crystal display to provide predetermined light to the liquid crystal display. At this time, these components are housed in a storage container such as a chassis provided for protecting and fixing from external impact.

In this case, the image display area of the liquid crystal module in which the image signal is displayed is received to surround the front and side surfaces of the liquid crystal panel by a top chassis formed to be open, and the top chassis is coupled to the bottom chassis surrounding the rear and side surfaces of the liquid crystal panel. Thus, the liquid crystal panel is accommodated.

1 is a perspective view showing a chassis for a liquid crystal display device according to the prior art.

As shown in FIG. 1, a conventional chassis for a liquid crystal display device includes a top chassis 70 and a bottom chassis 80.

The top chassis 70 is a frame-shaped structure having an opening so that the display portion of the liquid crystal panel is exposed. The top chassis 70 surrounds the front surface of the liquid crystal panel in the form of a frame, and a plurality of frames are formed on the side of the frame, which is molded in a form surrounding the top, bottom, left, and right sides of the liquid crystal panel. The locking jaw 71 is formed.                         

The bottom chassis 80 surrounds the backside of the backlight of the liquid crystal panel, and a plurality of hooks are formed on the frame side formed to surround the top, bottom, left, and right sides of the liquid crystal panel to be coupled to the frame side of the top chassis 70. 81 is formed.

Here, the plurality of hooks 81 of the bottom chassis 80 is coupled to a plurality of engaging jaw 71 formed in the top chassis 70 of the corresponding position, respectively, the chassis is assembled.

The top chassis 70 in which the locking step 71 is formed has a problem in that the chassis is bent or deformed by the deformation energy concentrated around the locking step 71 when an external load is applied.

SUMMARY OF THE INVENTION The present invention has been made in an effort to provide a storage container for a liquid crystal display device having a groove having an improved pattern for absorbing strain energy applied to a latching jaw of a chassis and minimizing strain induced stress.

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

According to an aspect of the present invention, there is provided a container for a liquid crystal display device, wherein at least two stress concentrations are disposed on sidewalls and are located between the plurality of locking jaws and minimize strain-induced stress on external energy. And a first storage container having a groove having a portion, and a second storage container in which a plurality of hooks are formed to fit with the first storage container.

Here, the groove includes an open straight bottom and first and second openings branched from an upper end of the open straight bottom, the first and second openings being at an angle of 30 degrees to 120 degrees from the straight bottom axis. It may be formed spaced apart.

In addition, the groove formed in the first accommodating container may be a T-shaped groove, a Y-shaped groove, or a cross-shaped groove.

Meanwhile, the first storage container may be a top chassis, and the second storage container may be a bottom chassis.

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. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various forms, and only the present embodiments are intended to complete the disclosure of the present invention, and the general knowledge in the art to which the present invention pertains. It is provided to fully convey the scope of the invention to those skilled in the art, and the present invention is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

First, a liquid crystal display according to an exemplary embodiment of the present invention and a storage container accommodating the same will be described with reference to FIG. 2.

2 is an exploded perspective view illustrating a liquid crystal display and a storage container accommodating the liquid crystal display according to the exemplary embodiment. 2 illustrates a liquid crystal display device employing a chassis as an example of a storage container.

As shown in FIG. 2, the liquid crystal display according to the exemplary embodiment of the present invention has a liquid crystal display panel assembly 30, a backlight unit 40, the liquid crystal panel assembly 30, and the backlight unit 40 in volume. Top chassis 20 and bottom chassis 50 configured to receive the < RTI ID = 0.0 >

The liquid crystal panel assembly 30 may include a thin film transistor substrate 33, a liquid crystal panel including a color filter substrate 34, a liquid crystal (not shown), a gate tape carrier package 31, a data tape carrier package 32, and An integrated printed circuit board 35 or the like.

The liquid crystal panel includes a thin film transistor substrate 33 including a gate line (not shown) and a data line (not shown), a thin film transistor, a pixel electrode, and the like, and a color disposed on and facing the thin film transistor substrate 33. And a filter substrate 34.

The gate tape carrier package 31 is connected to each gate line (not shown) formed on the thin film transistor substrate 33, and the data tape carrier package 32 is connected to each data line formed on the thin film transistor substrate 33. Not shown).

Meanwhile, the integrated printed circuit board 35 may process both the gate driving signal and the data driving signal so that the gate driving signal and the data driving signal can be input to the gate tape carrier package 31 and the data tape carrier package 32, respectively. Several moving parts can be mounted.

The backlight unit 40 includes the optical sheets 41, the light guide plate 42, the lamp assembly 43, the reflecting plate 44, and the like.

Here, the light guide plate 42 serves to guide the light supplied to the liquid crystal display panel assembly 30. The lamp assembly 43 is inserted into the side of the light guide plate 42 to emit this light.

The reflective plate 44 is installed on the lower surface of the light guide plate 42 to reflect the light emitted to the lower portion of the light guide plate 42 to the top. The optical sheets 41 are installed on the upper surface of the light guide plate 42 to diffuse and collect light transmitted from the light guide plate 42.

At this time, in the case of a small liquid crystal display device, one lamp is usually installed on the side of the light guide plate 42, but when the liquid crystal display device is enlarged, a plurality of lamps may be installed in one lamp assembly 43 to obtain sufficient luminance. .

The bottom chassis 50 accommodates and fixes the components constituting the backlight unit 40 and is fixedly fastened by fitting to the top chassis 20.

Specifically, a plurality of hooking jaws 21 are formed on sidewalls of the top chassis 20, and a plurality of hooks 51 are formed on the sidewalls of the bottom chassis 50. By fitting the 21 and the hook 51 together, a chassis coupling capable of fixedly storing the liquid crystal display panel assembly 30 and the backlight unit 40 is achieved.

In addition, a T-shaped groove 25 configured to minimize strain-induced stress is formed between the plurality of locking jaws 21 on the sidewall of the top chassis 20. This will be described in more detail with reference to FIG. 3.

3 is a view partially showing sidewalls of a top chassis for a liquid crystal display according to an exemplary embodiment of the present invention.

As shown in FIG. 3, the chassis for a liquid crystal display according to the exemplary embodiment of the present invention has a T-shaped groove 25 positioned between the plurality of locking jaws 21 or at a periphery of the locking jaws 21. Is formed.

On the other hand, the top chassis 20, the hooking jaw 21 is formed may be deformed when a load such as an external impact is applied, and has a certain level of repulsion against the deformation. Thus, the repulsive force with respect to the external deformation is hereinafter referred to as deformation induced stress.

Since the load applied from the outside is particularly concentrated at the portion of the latching jaw 21 formed as an opening, the T-shaped groove 25 is provided as a structure capable of dissipating and absorbing the strain energy in the surroundings.

Specifically, the lower portion of the T-shaped groove 25 is open in one portion, and the upper portion of the T-shaped groove 25 is divided into two portions so that the upper portion of the groove acting as a stress concentration site is divided into two portions. As a result, the stress concentration site can be dispersed. Thus, the strain-induced stress applied to the chassis is minimized.

Of course, in one embodiment of the present invention, the groove is formed by splitting the upper portion into two, such as the upper portion of the T-shaped groove 25 has been described as an example, but divided into three or more parts to distribute the stress concentration site Can be.

Therefore, the chassis for a liquid crystal display device having a T-shaped groove according to an embodiment of the present invention can minimize the strain-induced stress with respect to strain energy applied from the outside, thereby preventing the deformation of the chassis for the liquid crystal display device.

Next, with reference to FIGS. 4 and 5, a groove having a structure for minimizing strain-induced stress formed in a chassis for a liquid crystal display according to another exemplary embodiment of the present invention will be described.

4 is a view partially showing a side wall of a top chassis for a liquid crystal display according to another exemplary embodiment, and FIG. 5 is a view partially showing a side wall of a top chassis for a liquid crystal display according to another exemplary embodiment. .

As shown in FIG. 4, the chassis for a liquid crystal display according to another exemplary embodiment of the present invention has a Y-shaped groove 26 positioned between the plurality of latching jaws 21 or at a periphery of the locking jaws 21. Is formed.

Since the load applied from the outside is particularly concentrated at the portion of the latching jaw 21 formed as an opening, the Y-shaped groove 26 is provided as a structure capable of dissipating and absorbing the strain energy in the surroundings.

The lower portion of the Y-shaped groove 26 is open in one portion, and the upper portion of the Y-shaped groove 26 is divided into two portions, so that the upper portion of the groove acting as the stress concentration site is formed by dividing into two portions, It can act to disperse the stress concentration site. Thus, the strain-induced stress applied to the chassis is minimized.

Specifically, when the two divided portions of the upper portion of the Y-shaped groove 26 are called first and second openings, respectively, the first and / or second openings are separated from the vertical axis y extending from the lower portion of the groove. It may be formed spaced apart from the angle (θ) of FIG.                     

Next, as shown in FIG. 5, a chassis for a liquid crystal display according to another exemplary embodiment of the present invention may have a cross-shaped groove located between the plurality of locking jaws 21 or at the periphery of the locking jaws 21. 27) is formed.

Since the load applied from the outside is particularly concentrated at the portion of the latching jaw 21 formed as an opening, the cross-shaped groove 27 is provided as a structure capable of dissipating and absorbing such strain energy from the surroundings.

The lower part of the cross-shaped groove 27 is open in one part, and the upper part of the cross-shaped groove 27 is divided into three parts, so that the upper part of the groove acting as the stress concentration site is formed by dividing the at least two parts into a stress. It can act to disperse the concentration site. Thus, the strain-induced stress applied to the chassis is minimized.

On the other hand, according to the embodiments of the present invention, various types of grooves configured to minimize the strain-induced stress has been described as an example that is formed in the top chassis 20 in which the above-described locking step 21 is formed, the external energy It can be applied to any storage container that is easy to cause deformation.

For example, the various types of grooves may be formed in the bottom chassis, and the same may be applied to a liquid crystal display device for a notebook which does not include a top chassis and employs the bottom chassis and a mold frame as a storage container.

6 and 7 illustrate simulation results of the stress (Von-misses Stress) occurring when the same load is applied to the chassis for the liquid crystal display according to the exemplary embodiments of the present invention.                     

FIG. 6 is a simulation diagram illustrating strain-induced stress with respect to a specific load of a chassis for a liquid crystal display device having a T-shaped groove according to an embodiment of the present invention, and FIG. 7 illustrates a Y-shaped groove according to another embodiment of the present invention. It is a simulation figure which shows the strain induced stress with respect to the specific load of the chassis for liquid crystal display devices which have.

The typical top chassis material fires at a load of about 800 MPa, but the simulation applies excessive loads for relative comparison.

6 and 7, the simulation result represented by the Von-misses stress represents the strain-induced stress of the chassis, the unit is Mpa.

In addition, the simulation results show that stress concentration sites are dispersed in the T- and Y-shaped grooves.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above embodiments and can be variously modified and implemented by those skilled in the art without departing from the technical scope of the present invention.

As described above, according to the present invention, the groove having a pattern improved to separate the stress concentration portion absorbs the strain energy applied to the latching jaw of the chassis and minimizes the strain-induced stress.

Claims (6)

A first accommodating container having a plurality of catching jaws on the sidewalls and having grooves disposed between the plurality of catching jaws and having at least two stress concentration sites to minimize strain-induced stress on external energy; And And a second accommodating container having a plurality of hooks to be engaged with the first accommodating container. In claim 1, The groove includes an open straight lower portion and first and second openings branched from an upper end of the open straight lower portion, the first and second openings being spaced at an angle of 30 degrees to 120 degrees from the straight lower axis. The storage container for formed liquid crystal display device. In claim 1, The storage container for a liquid crystal display device, wherein the groove formed in the first storage container is a T-shaped groove. In claim 1, And a groove formed in the first storage container is a Y-shaped groove. In claim 1, The storage container for a liquid crystal display device, wherein the groove formed in the first storage container is a cross groove. In claim 1, And the first storage container is a top chassis, and the second storage container is a bottom chassis.

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