KR20160075929A - Liquid crystal display device - Google Patents

Abstract

The present invention relates to a liquid crystal display device, and more specifically, to a liquid crystal display device in which a case top and a guide panel are easily assembled and disassembled. The present invention forms a piercing unit having a degree of freedom according to a flux from a second vertical unit of the case top, and inserts a coupling protrusion provided in the guide panel by using a coupling hole provided in the piercing unit, thereby easily assembling and coupling the case top and the guide panel. Moreover, the device can prevent a gap from generating between the case top and the guide panel, such that the case top and the guide panel are more securely assembled and coupled, thereby modularizing the liquid crystal display device. In addition, the coupling protrusion of the guide panel can be easily inserted by using the coupling hole of the case top, so foreign materials from being ground by forcible insertion do not occur, thereby preventing scratch from happening on an inner side of the second vertical unit of the case top or on an outer side of a first vertical unit of the guide panel. Moreover, the present invention can easily disassemble the assembled or coupled case top and the guide panel, and reassembling can be also easily performed.

Description

[0001] Liquid crystal display device [0002]

The present invention relates to a liquid crystal display, and more particularly, to a liquid crystal display capable of easily assembling and disassembling a case top and a guide panel.

A liquid crystal display device (LCD), which is advantageous for moving picture display and has a large contrast ratio and is actively used in TVs and monitors, exhibits optical anisotropy and polarization properties of a liquid crystal, And the like.

Such a liquid crystal display device has a liquid crystal panel in which a liquid crystal panel is interposed between two adjacent substrates through a liquid crystal layer as an essential component and changes the alignment direction of the liquid crystal molecules in an electric field in the liquid crystal panel to realize a difference in transmittance do.

However, since the liquid crystal panel does not have its own light emitting element, a separate light source is required to display the difference in transmittance as an image. To this end, a backlight unit having a light source is disposed on the back of the liquid crystal panel.

The liquid crystal panel and the backlight unit are integrally modularized through various mechanical elements. That is, the liquid crystal panel and the backlight unit have a case top which surrounds the top edge of the liquid crystal panel with the edges thereof being surrounded by a guide panel of a rectangular- The cover bottoms that cover the back surface of the cover are integrally joined to each other at the front and rear sides.

On the other hand, in recent years, such a liquid crystal display device has been widely used as a portable computer, a desktop computer monitor, and a wall-mounted television, and researches to have a massive weight and volume with a large display area It is actively proceeding.

Further, in addition to being lightweight and thin, the liquid crystal display device is also required to have a narrow bezel in which a display area is wide and a bezel area which is a non-display area other than the display area is formed as small as possible.

Accordingly, in order to realize a liquid crystal display device having a lightweight, thin, and narrow bezel design even in the process of modularizing the liquid crystal panel and the backlight unit through the case top, the guide panel, and the cover bottom, And is modularized through a hook type fastening method.

However, when fastening the case top and the guide panel through the hook type fastening system, the fastening protrusions provided on the guide panel are fastened to the fastening holes provided in the case top in a forced fit manner, The liquid crystal display device can not be stably modularized due to the widening phenomenon.

Further, due to the interference, water is generated in the guide panel made of the mold material, which may cause image quality deterioration or noise due to water.

In addition, scratches due to the fastening protrusions provided on the guide panel occur in the case top, and disassembly and reassembly of the case top and the guide panel are not easy when the liquid crystal panel or the backlight unit is defective.

SUMMARY OF THE INVENTION It is a first object of the present invention to provide a liquid crystal display device having a light weight, a thin shape, a narrow bezel, and a more stable module.

Another object of the present invention is to facilitate the modularization process of the liquid crystal display device.

In order to achieve the above object, according to the present invention, there is provided a liquid crystal display device including a liquid crystal panel, a backlight unit disposed below the liquid crystal panel, a horizontal surface on which the liquid crystal panel and the backlight unit are mounted, And a first horizontal portion which is seated on the cover bottom and on which a liquid crystal panel is mounted, the first vertical portion including an edge of the liquid crystal panel and the backlight unit, and a first horizontal portion on which the liquid crystal panel is mounted, And a second vertical part which is perpendicular to the second horizontal part and which covers a side surface of the liquid crystal panel, wherein the second vertical part is provided with the fastening protrusions And a first piercing hole in which a part of the second vertical portion is removed, and a second piercing hole spaced apart from the first piercing hole First it provides a liquid crystal display device including a top case of the second piercing hole provided.

At this time, the piercing portion includes a piercing plate bent perpendicularly from the second horizontal portion, the piercing plate is positioned in the piercing plate, and a bent end protruding outwardly is provided at one end of the piercing plate.

The bent end protrudes from the piercing plate by 0.2 to 0.4 mm, and the fastening protrusion includes a sloped surface that protrudes from the outer side of the case tower toward the lower side.

As described above, according to the present invention, the pierced portion having a degree of freedom according to the flow from the second vertical portion of the case tower is formed, and the fastening protrusion provided on the guide panel is inserted into the fastening hole provided in the piercing portion, So that the top and guide panel can be easily assembled and fastened.

Further, it is possible to prevent the occurrence of a widening phenomenon between the case top and the guide panel, so that the case top and the guide panel can be assembled and fastened more stably and the liquid crystal display device can be stably modularized .

Further, the fastening protrusion of the guide panel can be easily inserted and inserted into the fastening hole of the case top, thereby preventing water from being generated due to the interference fit. The inner surface of the second vertical portion of the case top, It is possible to prevent occurrence of scratches on the outer surface of one vertical portion.

Further, there is an effect that the assembled and fastened case tower and the guide panel can be easily disassembled, and the reassembly can be easily performed.

1 is a perspective view schematically showing a liquid crystal display device according to an embodiment of the present invention.
2 is a perspective view schematically illustrating a case top according to an embodiment of the present invention.
3 is a perspective view schematically showing a case top of FIG. 2 and a guide panel assembled and fastened to each other.
4A to 4C are perspective views schematically showing a case top and a guide panel according to an embodiment of the present invention assembled and fastened to each other.
Figure 5 is a cross-sectional view schematically illustrating the modularized Figure 1;

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

1 is a perspective view schematically showing a liquid crystal display device according to an embodiment of the present invention.

As shown in the drawing, the liquid crystal display according to the embodiment of the present invention mainly includes a liquid crystal panel 110, a backlight unit 120, a guide panel 130, a case top 140, and a cover bottom 150 .

For the sake of convenience, the backlight unit 120 is disposed behind the liquid crystal panel 110 under the assumption that the display surface of the liquid crystal panel 110 faces forward, The case top 140 is positioned in front of the liquid crystal panel 110 in a state where the guide panel 130 in a rectangular shape is wiped and the cover bottom 150 is positioned on the back surface of the backlight unit 120, And are integrated.

Let's take a closer look at each of these.

First, the liquid crystal panel 110 plays a key role in image display of a liquid crystal display device. The liquid crystal panel 110 includes a first substrate 112 and a second substrate 114 which are bonded to each other and a liquid crystal layer (Not shown).

Although not shown in the figure, a plurality of gate lines and data lines cross each other on the inner surface of a first substrate 112 called a lower substrate or an array substrate, pixels are defined, and a thin film transistor (TFT) : TFT) are connected in one-to-one correspondence with the transparent pixel electrodes formed in the respective pixels.

On the inner surface of the second substrate 114 called an upper substrate or a color filter substrate, color filters of red (R), green (G), and blue (B) And a black matrix for covering the gate lines, the data lines, and the thin film transistors.

In addition, color filters of red (R), green (G), and blue (B) colors and transparent common electrodes covering the black matrix are provided.

An upper and a lower alignment film (not shown) for determining the initial alignment direction of the liquid crystal are interposed at the boundary between the first and second substrates 112 and 114 and the liquid crystal layer (not shown) A seal pattern (not shown) is formed along the edges of the substrates 112 and 114 to prevent leakage of a liquid crystal layer (not shown) filled between the substrates 112 and 114.

Polarizing plates 119a and 119b (see FIG. 5) for selectively transmitting only specific light are attached to the outer surfaces of the first and second substrates 112 and 114, respectively.

A printed circuit board 117 is connected to the liquid crystal panel 110 via a connection member 116 such as a flexible circuit board or a tape carrier package (TCP) along one edge of the liquid crystal panel 110, The bottoms 150 are brought into close contact with each other.

Accordingly, when the thin film transistor selected for each gate line is turned on by the on / off signal of the thin film transistor which is transferred to the gate line, the liquid crystal panel 110 supplies the image signal And the alignment direction of the liquid crystal molecules is changed by the electric field between the pixel electrode and the common electrode which is generated thereby, and the difference in transmittance is shown.

In the liquid crystal display device according to the present invention, a backlight unit 120 is provided for supplying light from the rear surface of the liquid crystal display panel 110 so that the difference in transmittance of the liquid crystal panel 110 is externally expressed.

The backlight unit 120 includes an LED assembly 129 arranged along at least one longitudinal edge of the cover bottom 150, a reflection plate 125, a light guide plate 123 mounted on the reflection plate 125, And an optical sheet 121 positioned above the light guide plate.

The LED assembly 129 is a light source of the backlight unit 120 and is disposed at one side of the light guide plate 123 to face the light incident surface of the light guide plate 123. The LED assembly 129 includes a plurality of LEDs 129a, And a PCB 129b on which a plurality of LEDs 129a are mounted with a predetermined spacing.

The plurality of LEDs 129a emit light having colors of red (R), green (G), and blue (B) toward the front of the light guide plate 123, and the plurality of RGB LEDs 129a ) Can be turned on at once to realize white light by color mixing.

In particular, in recent years, a blue LED 129a including a blue LED chip having excellent luminous efficiency and brightness has been used for improving the luminous efficiency and brightness, and a phosphor such as yttrium aluminum garnet (YAG: Ce) doped with cerium, A blue LED 129a made of a yellow phosphor is used.

The blue light emitted from the LED 129a is mixed with the yellow light transmitted through the phosphor and emitted by the fluorescent material, thereby realizing white light.

The light guiding plate 123 through which the light emitted from the plurality of LEDs 129a is incident is formed such that the light incident from the LED 129a travels in the light guiding plate 123 by total reflection several times, And provides a surface light source to the liquid crystal panel 110.

The light guide plate 123 may include a pattern of a specific shape on the lower surface to supply a uniform surface light source. The pattern may be formed in various shapes such as an elliptical pattern, a polygon pattern, a hologram pattern, and the like in order to guide light incident into the light guide plate 123. The pattern is formed on the lower surface of the light guide plate 123 by a printing method or an injection method.

The reflection plate 125 is disposed on the back surface of the light guide plate 123 and reflects light passing through the back surface of the light guide plate 123 toward the liquid crystal panel 110 to improve the brightness of light.

The optical sheet 121 on the light guide plate 123 includes a diffusion sheet and at least one light condensing sheet and diffuses or condenses the light passing through the light guide plate 123 to provide a more uniform surface light source to the liquid crystal panel 110 Let it enter.

The liquid crystal panel 110 and the backlight unit 120 are modularized through the case top 140, the guide panel 130, and the cover bottom 150.

The guide panel 130 has a rectangular shape for supporting the edge of the backlight unit 120 and supports the edge of the liquid crystal panel 110. The guide panel 130 includes a first vertical part 131 surrounding the side surface of the backlight unit 120, A first horizontal part 133 is provided inside the first vertical part 131 to divide the position of the liquid crystal panel 110 and the backlight unit 120.

The liquid crystal panel 110 is attached and fixed on the first horizontal portion 133 through a bonding pad (not shown) such as a double-sided tape.

The case top 140 is configured to cover the upper surface edge and the side surface of the liquid crystal panel 110. The case top 140 has a cross section in a " a " shape so as to cover the upper and side edges of the liquid crystal panel 110 A second vertical portion 141 that covers the side surface of the liquid crystal panel 110 and a second horizontal portion 143 that vertically covers the upper surface of the liquid crystal panel 110 from the second vertical portion 141 And the front surface of the case top 140 is opened to display an image to be displayed on the liquid crystal panel 110.

At this time, at least two piercing parts 145 are provided on the second vertical part 141 of the case top 140 along the longitudinal direction of the second vertical part 141, and the piercing part 145 is fastened And a hole 145d is provided.

The outer surface of the first vertical portion 131 of the guide panel 130 is provided with a fastening protrusion 135 inserted into the fastening hole 145d provided on the second vertical portion 141 of the case top 140 .

The guide panel 130 is mounted on the cover bottom 150. The cover bottom 150 includes a horizontal surface 151 and an edge portion 153 having a vertically bent edge.

The guide panel 130 and the cover bottom 150 and the case top 140 are formed so that the edges of the liquid crystal panel 10 and the backlight unit 120 are covered with the guide panel 130, The cover case 140 covering the backside of the backlight unit 120 and the cover bottom 150 covering the backside of the backlight unit 120 are combined at the front and rear sides to be modularly integrated through the guide panel 130. [

In this case, the case top 140 may be referred to as a top cover or a top case, and the guide panel 130 may be referred to as a support main or a main support or a mold frame. The cover bottom 150 may be referred to as a bottom cover or a bottom cover I will.

The liquid crystal display according to the embodiment of the present invention includes the piercing portion 145 having the fastening hole 145d in the second vertical portion 141 of the case top 140, The case top 140 can be easily assembled and fastened.

In addition, the case top 140 and the guide panel 130, which are assembled and fastened, do not cause a widening phenomenon, and the liquid crystal display device can be stably modularized.

In addition, in the process of assembling the case column 140 and the guide panel 130, it is possible to prevent the occurrence of water quality deterioration or noise, etc., Or the guide panel 130 can be prevented from being scratched.

Also, the assembled and fastened case top 140 and the guide panel 130 can be easily disassembled, and reassembly can be easily performed.

FIG. 2 is a perspective view schematically showing a case top according to an embodiment of the present invention, and FIG. 3 is a perspective view schematically showing a case top and a guide panel of FIG. 2 assembled and fastened to each other.

As shown in FIG. 2, the case top 140, which functions to firmly support the upper portion of the liquid crystal display device and is assembled with and fastened to the guide panel (130 of FIG. 1) And a rectangular frame shape in which the cross section is bent in the " a " form so as to cover the side edges.

To be more specific, the case top 140 is formed of first to fourth edge portions to open the front surface to display an image formed on the liquid crystal panel (110 in FIG. 1), wherein the first to fourth edge portions A second vertical portion 141 covering the side surface of the liquid crystal panel 110 of FIG. 1 and a second horizontal portion 143 vertically covering the upper surface of the liquid crystal panel 110 of FIG. 1 from the second vertical portion 141, .

At least two piercing portions 145 are provided along the longitudinal direction of the second vertical portions 141 of the first to fourth edge portions. Each of the piercing portions 145 includes a second vertical portion 141, And a second piercing hole 145b separated from the first piercing hole 145a by a predetermined distance apart from the second vertical part 141. The first piercing hole 145a has a part of the second piercing hole 145a, And an area between the first piercing hole 145a and the second piercing hole 145b is defined as a piercing part 145. [

The piercing portion 145 is provided with a piercing plate 145c bent perpendicularly from the second horizontal portion 143 and coplanar with the second vertical portion 141. The piercing plate 145c is provided with a fastening hole 145d .

A bent end 145e is formed at the lower portion of the fastening hole 145d with one end of the piercing plate 145d protruding outward.

The piercing portion 145 has a degree of freedom in flow from the second vertical portion 141.

That is, since the piercing plate 145c of the piercing portion 145 has a structure separated from the second vertical portion 141 through the first and second piercing holes 145a and 145b, the second vertical portion 141, The piercing portion 145 including the piercing plate 145c separated from the second vertical portion 141 has a degree of freedom in the flow in the -X axis direction or the + X axis direction defined in the drawing from the second vertical portion 141 .

3, the case top 140 according to the embodiment of the present invention includes a fastening protrusion 135 of a guide panel (130 in FIG. 1) for assembling and fastening the guide panel (130 of FIG. 1) The fastening protrusion 135 can be easily inserted into the fastening hole 145d through a degree of freedom corresponding to the flow of the piercing portion 145 in the process of inserting the fastening protrusion 135 into the fastening hole 145d of the case top 140. [

As a result, it is possible to easily assemble and fasten the guide panel (130 in FIG. 1) and the case top 140, and also to prevent the occurrence of a widening phenomenon between the assembled and fastened case top 140 and the guide panel So that the liquid crystal display device can be stably modularized.

Since the fastening protrusions 135 of the guide panel 130 and the fastening holes 145d of the case top 140 are not inferior to the conventional fastening fittings, It is possible to prevent image quality deterioration due to water or noise from being caused.

In addition, scratches can be prevented from being generated in the case top 140 or the guide panel 130 (FIG. 1) during the process of assembling the case top 140 and the guide panel 130 (FIG. 1) The case top 140 and the guide panel 130 of FIG. 1 can be easily disassembled and reassembly can be easily performed.

4A to 4C are perspective views schematically showing a case top and a guide panel according to an embodiment of the present invention assembled and fastened to each other.

4A, the inner surface of the second vertical portion 141 of the case top 140 and the outer surface of the first vertical portion 131 of the guide panel (130 of FIG. 1) are in close contact with each other, The piercing portion 145 of the guide plate 140 and the fastening protrusion 135 of the guide panel 130 are aligned with each other.

The fastening protrusion 135 provided on the outer surface of the first vertical portion 131 of the guide panel 130 of FIG. 1 is fastened from the upper side to the lower side where the case top 140 is located, And the inclined surface 135a is formed so that the height of the projection 135 is increased.

Next, as shown in FIG. 4B, if the case top 140 is positioned on the upper side and the case top 140 of the guide panel (130 in FIG. 1) is positioned on the lower side, The panel (130 in Fig. 1) is pushed upward from the lower side.

At this time, the pierced portion 145 of the case top 140 has a degree of freedom in accordance with the flow from the second vertical portion 141 of the case top 140, The pushing protrusion 135 formed on the outer surface of the protrusion 131 causes the pushing to occur outside, i.e., in the + X axis direction defined by the drawing.

4 (c), the case top 140 is further pushed downward from the upper side or the guide panel (130 in Fig. 1) is further pushed up from the lower side to the upper side, The fastening protrusion 135 formed on the outer surface of the vertical part 131 is inserted into the fastening hole 145d provided on the piercing plate 145c of the piercing part 145. At this time, The fastening protrusion 135 of the guide panel 130 of FIG. 1 is more easily pushed by the inclined surface 135a provided in the fastening protrusion 135 of the guide panel (130 in FIG. 1) Is inserted into the fastening hole 145d provided in the fastening portion 145.

Therefore, the case top 140 and the guide panel (130 in FIG. 1) can be stably assembled and fastened to each other easily.

Here, in the process of inserting the fastening protrusion 135 of the guide panel (130 of FIG. 1) into the fastening hole 145d of the case top 140, the fastening protrusion 135 of the guide panel (130 of FIG. 1) Only the piercing portion 145 provided with the fastening hole 145d of the case top 140 corresponding to the provided region is pushed in the + X axis direction defined in the drawing, The second vertical portion 141 except for the first fixing portion 145 is not lifted by the fastening protrusion 135 of the guide panel 130 in FIG.

This makes it possible to prevent the occurrence of a widening phenomenon between the case top 140 and the guide panel (130 in FIG. 1), thereby stably assembling and fastening the case top 140 and the guide panel (130 in FIG. 1) .

In other words, the second vertical portion of the conventional case top is not vertical from the second horizontal portion of the case top due to the fastening protrusion of the guide panel, but is widened outwardly. Even if the case top and the guide panel are assembled and fastened, a widening phenomenon occurs between the case top and the guide panel.

This means that the case top and the guide panel are not fastened securely. This leads to a failure of a modularized liquid crystal display device. Further, foreign matter or the like on the outside is modularized by the widening between the case top and the guide panel. There is a possibility of penetration into the device.

On the other hand, the liquid crystal display according to the present invention includes a piercing portion 145 (see FIG. 1) having a fastening hole 145d of a case top 140 corresponding to a region where the fastening protrusion 135 of the guide panel And the second vertical portion 141 except for the pierced portion 145 of the case top 140 is engaged with the fastening protrusion 140 of the guide panel 130 The case top 140 and the guide panel (130 in FIG. 1) can be stably assembled and fastened by preventing the lifting phenomenon caused by the lifting mechanism 135 from occurring.

In addition, the fastening protrusion 135 of the guide panel (130 in FIG. 1) can be easily inserted and inserted into the fastening hole 145d of the case top 140, so that water is not generated due to the interference fit, Scratches can be prevented from being generated on the inner surface of the second vertical portion 141 of the case top 140 or on the outer surface of the first vertical portion 131 of the guide panel 130 of FIG.

Fig. 5 is a cross-sectional view schematically showing the modularized Fig.

An LED assembly 129 including a reflection plate 125, a light guide plate 123, a PCB 129b on which the LED 129a and the LED 129a are mounted, and a light guide plate 123 on the light guide plate 123, 121 are stacked to form a backlight unit (120 of FIG. 2).

A liquid crystal panel 110 in which a liquid crystal layer (not shown) is interposed between the first and second substrates 112 and 114 and the first and second substrates 112 and 114 is disposed on the backlight unit 120 On the outer surfaces of the substrates 112 and 114, polarizers 119a and 119b selectively transmitting only specific light are attached.

The liquid crystal panel 110 surrounded by the backlight unit 120 of FIG. 2 and the guide panel 130 is seated on the horizontal surface 151 of the cover bottom 150 so that the edge of the cover bottom 150 The outer surface of the first vertical portion 131 of the guide panel 130 is positioned in close contact with the inner surface of the first vertical portion 131 of the guide panel 130.

At this time, the liquid crystal panel 110 is attached and supported on the first horizontal portion 133 of the guide panel 130 through an adhesive pad (not shown).

The case top 140 covers the top surface of the liquid crystal panel 110 and the second vertical portion 141 covers the first vertical portion 131 of the guide panel 130 And is assembled with the guide panel 130 so as to enclose the side surface.

At this time, the fastening protrusion 135 provided on the outer surface of the first vertical portion 131 of the guide panel 130 is fastened to the pierced portion 145 of the second vertical portion 141 of the case top 140, And the case top 140 and the guide panel 130 are assembled and fastened to each other.

The piercing portion 145 of the case top 140 is bent by the bent end 145e provided at one end of the piercing plate 145c and the first vertical portion 131e of the guide panel 130 The gap D is generated.

Here, the interval is 0.3 to 0.5 mm, and the bent end 145 e is bent outward from the one end of the piercing plate 145 c by 0.2 to 0.4 mm.

The process of inserting and inserting the fastening protrusion 135 of the guide panel 130 into the fastening hole 145d of the case top 140 can be facilitated by the gap D, When the guide panel 130 is to be disassembled, the piercing portion 145 of the case top 140 can be easily lifted outward through the gap D between the fastening portion 145 and the fastening portion 145, The fastening protrusion 135 of the guide panel 130 can be easily removed.

Therefore, the case top 140 and the guide panel 130 can be easily disassembled.

In order to disassemble the case top 140 and the guide panel 130, the inner surface of the second vertical portion 141 of the case top 140 and the outer surface of the first vertical portion 131 of the guide panel 130 It is not necessary to insert a tool such as a cutter knife between the side surfaces, so that disassembly of the case top 140 and the guide panel 130 can be facilitated.

In addition, it is possible to prevent a phenomenon of a flare between the case top 140 and the guide panel 130 due to forced opening of the tool.

As described above, the liquid crystal display according to the embodiment of the present invention forms the piercing portion 145 having a degree of freedom according to the flow from the second vertical portion 141 of the case top 140, and the piercing portion 145, The fastening protrusion 135 provided on the guide panel 130 is inserted into the fastening hole 145d provided in the case panel 140 so that the case top 140 and the guide panel 130 can be easily assembled and fastened.

It is also possible to prevent the occurrence of a widening phenomenon between the case top 140 and the guide panel 130 so that the case top 140 and the guide panel 130 can be assembled and fastened more stably, The liquid crystal display device can be modularized.

In addition, the fastening protrusion 135 of the guide panel 130 can be easily inserted into the fastening hole 145d of the case top 140, Scratches can be prevented from occurring on the inner surface of the second vertical portion 141 of the guide panel 130 or on the outer surface of the first vertical portion 131 of the guide panel 130. [

Also, the assembled and fastened case top 140 and the guide panel 130 can be easily disassembled, and reassembly can be easily performed.

The present invention is not limited to the above-described embodiments, and various modifications may be made without departing from the spirit of the present invention.

131: first vertical part of the guide panel
135: fastening projection of guide panel
140: Case Top
141: second vertical part
143: second horizontal part
145: Piercing parts 145a and 145b: first and second piercing holes 145c: piercing plate 145d: fastening hole 145e:

Claims (5)

A liquid crystal panel;
A backlight unit positioned below the liquid crystal panel;
A cover bottom including a horizontal plane on which the liquid crystal panel and the backlight unit are mounted and a side perpendicular to the horizontal plane;
And a first horizontal portion that is seated on the cover bottom and on which the liquid crystal panel and the backlight unit are mounted and a first vertical portion that covers the edge of the liquid crystal panel and the backlight unit and on which the liquid crystal panel is mounted, A guide panel;
And a second vertical portion which is perpendicular to the second horizontal portion and which covers a side surface of the liquid crystal panel, wherein the second vertical portion includes a fastening hole to be coupled with the fastening protrusion, A first piercing hole in which a part of the second vertical portion is removed and a second piercing hole spaced apart from the first piercing hole by a predetermined distance;
And the liquid crystal display device.
The method according to claim 1,
Wherein the piercing portion includes a piercing plate bent perpendicularly from the second horizontal portion, and the piercing hole is located in the piercing plate.
3. The method of claim 2,
And a bent end portion protruding outward is provided at one end of the piercing plate.
The method of claim 3,
Wherein the folding end is protruded from the piercing plate by 0.2 to 0.4 mm.
The method according to claim 1,
Wherein the fastening protrusion includes an inclined surface having a height that protrudes from the outer side of the case tower toward the lower side from the upper side where the case tower is located.

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