KR102001855B1 - Liquid crystal display device - Google Patents

Abstract

The present invention relates to a lightweight and thin liquid crystal display device.
A liquid crystal display device according to the present invention includes a liquid crystal panel, a backlight unit provided on a back surface of the liquid crystal panel, a support main body which separates the liquid crystal panel and the backlight unit and edges the edges of the liquid crystal panel and the backlight unit, A plurality of split top covers coupled to the front side of the liquid crystal panel; a plurality of split top covers coupled to the front side of the liquid crystal panel, each of the split top covers including a first engagement portion seated on an edge front surface of the support main, And a plurality of coupling means for coupling the plurality of divided top covers to each other and fastening and fixing the plurality of divided top covers to the support main body.

Description

[0001] LIQUID CRYSTAL DISPLAY DEVICE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device, and more particularly to a lightweight and thin liquid crystal display device.

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.

As a light source of the backlight unit, a fluorescent lamp such as a cold cathode fluorescent lamp (CCFL) or an external electrode fluorescent lamp (EEFL) has been widely used. Recently, however, Light-emitting diodes (LEDs), which have advantages in terms of power consumption, weight, and brightness, have been replacing fluorescent lamps with lightweight trends.

Such a backlight unit is divided into a direct type and an edge type according to the position of a light source. The backlight unit of the direct-type type has a structure in which a light source is disposed under a liquid crystal panel, In the backlight unit of the side-type system, a light guide plate is disposed under the liquid crystal panel, and a light source is disposed on at least one side of the light guide plate so that light emitted from the light source is indirectly reflected To the liquid crystal panel.

At this time, the side-type backlight unit is easier to manufacture than a direct-type backlight unit, and is widely used because of its thin shape, light weight, and low power consumption.

As described above, the liquid crystal display device includes a liquid crystal panel, a backlight unit positioned behind the backlight unit and supplying a light source to the liquid crystal panel, a support main, a top cover, and a cover bottom for modifying them, .

Accordingly, the liquid crystal panel and the backlight unit are surrounded by the support main body, and the top cover and the cover bottom are coupled with each other at the front and rear sides to be integrated through the support main body. Thus, A front cover covering an edge and a back cover covering a rear surface are combined at front and rear sides, respectively, and are made into a liquid crystal display device.

In recent years, the liquid crystal display device has been used in a wide range of fields such as a desktop computer monitor and a wall-mounted television, as well as a portable computer. It has a wide display area and a lightweight, thin and narrow bezel A liquid crystal display device having a liquid crystal display device is being actively put into practice.

However, in spite of these efforts, the number of constituent elements of the liquid crystal display device is so large that the implementation of the lightweight, thin and narrow bezel liquid crystal display device of the liquid crystal display device is hindered, and the assembling and disassembling process of the liquid crystal display device There is a complicated problem.

In addition, the liquid crystal panel and the backlight unit are modularized, and there are too many constituent elements to constitute the device, so that the material cost and the mold ratio are increased, thereby increasing the manufacturing cost of the entire liquid crystal display device. Particularly, in the case of the top cover, the front center is opened so that an image through the liquid crystal panel can be displayed after the rectangular plate shape including the side is processed, thereby increasing the material cost and the mold cost.

According to an aspect of the present invention, there is provided a method for removing a front cover by applying a plurality of divided top covers to a plurality of divided top covers through a coupling means having design elements attached thereto, Thin and slim narrow-bezel liquid crystal display device.

According to an aspect of the present invention, there is provided a liquid crystal display comprising: a liquid crystal panel; A backlight unit provided on a rear surface of the liquid crystal panel; A support main body which separates the liquid crystal panel and the backlight unit and edges the edges of the liquid crystal panel and the backlight unit; A plurality of division type top covers coupled in front of the liquid crystal panel; Each of the plurality of split top covers includes a first engaging portion that is seated on a front edge of the support main body and a second engaging portion that is perpendicularly connected to the first engaging portion and surrounds a side edge of the support main body, And a plurality of coupling means for coupling and fixing to the support main.

At this time, the first coupling part of the coupling means is provided with coupling protrusions for filling the gaps between the plurality of split top covers and connecting them to each other.

The support main may include an engaging groove for engaging the engaging means at each corner.

At least one coupling hole for coupling with the coupling means is provided on the front surface of the coupling groove of the support main body, and the first coupling portion of the coupling means includes at least one coupling And protrusions.

Here, the plurality of divided top covers and the plurality of engaging means are screwed together.

As another example, it is characterized in that it further comprises an adhesive means such as an adhesive tape or an adhesive pad covering the part of the split top cover connected thereto by the coupling means.

As another example, the present invention is also characterized in that it further comprises an adhesion means, such as a double-sided tape or double-sided pad, provided between the coupling means and the split top cover for adhering and bonding the coupling means and the split top cover.

According to another aspect of the present invention, there is provided a liquid crystal display comprising: a liquid crystal panel; A backlight unit provided on a rear surface of the liquid crystal panel; Each of the plurality of divided top covers includes a protruding portion protruding from adjacent connection surfaces or a coupling portion formed to be inserted into the protruding portion so as to be engaged with each other, thereby covering the front edge of the liquid crystal panel.

Wherein each of the first to fourth top covers has a through hole that can be inserted into the through hole at both lateral ends of the first to fourth top covers and includes an engaging projection for inserting into the through hole at an inner side thereof, And a coupling protrusion formed of a coupling part and surrounding the split top cover outer side surfaces adjacent to each other.

Each of the first to fourth top covers includes a bending portion formed to be protruded from the outer side surface of the first to fourth top covers so that the coupling protrusion does not protrude.

According to the liquid crystal display device of the present invention, by applying a plurality of divided top covers, not only the volume and weight of the entire liquid crystal display device can be reduced, but also the entire manufacturing cost can be reduced by reducing the material cost and the mold cost.

Further, by connecting the plurality of divided top covers to each other through the coupling means having the design elements attached thereto, it is possible to fill in the step difference and the spacing space between the divided top covers, and also to remove the front cover. Accordingly, the assembling and disassembling process of the liquid crystal display device can be simplified, and a lightweight, thin and slim narrow bezel liquid crystal display device can be realized.

1 is an exploded perspective view of a liquid crystal display according to a first preferred embodiment of the present invention.
2A and 2B are perspective views of a first coupling means according to a first preferred embodiment of the present invention;
FIGS. 3A to 3C are views for explaining the process of fastening and fixing the split top cover to the support main body through the first coupling means according to the first preferred embodiment of the present invention. FIG.
4 is a perspective view showing a part of a liquid crystal display device according to a second preferred embodiment of the present invention.
FIG. 5 is a perspective view illustrating a part of a liquid crystal display device according to a third preferred embodiment of the present invention. FIG.
FIG. 6 is an exploded perspective view of a split top cover according to a fourth preferred embodiment of the present invention. FIG.
FIG. 7 is a view showing a combined top cover according to a fourth embodiment of the present invention; FIG.
8 is a perspective view showing a split top cover according to a fifth preferred embodiment of the present invention and second coupling means for coupling the same.
FIG. 9 is a perspective view illustrating a part of a liquid crystal display device according to a fifth preferred embodiment of the present invention. FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

1 is an exploded perspective view of a liquid crystal display according to a first preferred embodiment of the present invention.

1, a liquid crystal display 100 includes a liquid crystal panel 110, a backlight unit 120, a support main 130, a top cover 140, a plurality of coupling means 200, A cover bottom 150, a system board 170, and a back cover 180. [

The liquid crystal panel 110 is a part that plays a key role in image display and is composed of a first substrate 112 and a second substrate 114 which are bonded to each other with a liquid crystal layer interposed therebetween.

Although not shown in the drawing, a plurality of gate lines and data lines cross each other on the inner surface of a first substrate 112, which is usually referred to as a lower substrate or an array substrate, on the premise of an active matrix system, pixels are defined, And a thin film transistor (TFT) is provided and connected in a one-to-one correspondence with the transparent pixel electrode formed in each pixel.

On the inner surface of the second substrate 114 called an upper substrate or a color filter substrate, a color filter of red (R), green (G), and blue (B) A black matrix for covering non-display elements such as a gate line, a data line and a thin film transistor, and a transparent common electrode covering the gate lines and the data lines. Here, the transparent common electrode may be formed on the first substrate 112.

First and second polarizers (not shown) are provided on the outer surfaces of the first substrate 112 and the second substrate 114 to selectively transmit only specific light.

A printed circuit board 117 is connected to at least one edge of the liquid crystal panel 110 via a connection member 116 such as a flexible circuit board or a tape carrier package The cover main body 130 and the cover bottom 150 are properly brought into close contact with each other.

When the thin film transistor selected for each gate line is turned on by the on or off signal of the gate driving circuit transmitted through the printed circuit board 117, the liquid crystal panel 110 having the above- The signal voltage is transmitted to the corresponding pixel electrode through the data line, and the alignment direction of the liquid crystal molecules is changed by the electric field between the pixel electrode and the common electrode.

On the rear surface of the liquid crystal panel 110, a backlight unit 120 is provided to supply light so that the difference in transmittance can be displayed as an image.

The backlight unit 120 includes a light source, a reflection plate 125, a light guide plate 123 mounted on the reflection plate 125, and a plurality of optical sheets 121 interposed therebetween.

An LED 129a is used as the light source and a plurality of LEDs 129a are mounted on a printed circuit board (PCB) 129b with a predetermined distance therebetween to form an LED assembly 129.

The LED assembly 129 is fixed in position by an adhesive or the like so that the light emitted from the plurality of LEDs 129a faces the light-incoming portion of the light guide plate 123.

The light emitted from the plurality of LEDs 129a of the LED assembly 129 is indirectly supplied to the liquid crystal panel 110 by using the refraction and reflection of the light guide plate 123. [

Here, the printed circuit board 129b may correspond to a metal core printed circuit board having a heat dissipating function, and a heat sink (not shown) may be provided on the back surface of the metal core printed circuit board Heat generated from each of the plurality of LEDs 129a can be emitted to the outside.

The reflection plate 125 reflects light passing through the back surface of the light guide plate 123 in a rectangular plate shape toward the liquid crystal panel 110, thereby improving the brightness of light.

The light guide plate 123 guides light emitted from each of the plurality of LEDs 129a to serve as a high-quality surface light source.

The light guide plate 123 may be made of polymethyl methacrylate (PMMA) or polymethacrylic styrene (MS) resin in which polymethyl methacrylate (PMMA) and polystyrene (PS) are mixed .

On the other hand, a pattern for guiding light may be formed on the back surface of the light guide plate 123. The pattern may be formed in the form of an embossed or embossed pattern through a printing method or an injection method, and a circular pattern, An elliptical pattern, a polygon pattern, a hologram pattern, and the like.

The plurality of optical sheets 121 interposed in the upper portion of the light guide plate 123 are formed so as to diffuse or condense the light converted into the surface light source by the light guide plate 123 so that a more uniform surface light source is incident on the liquid crystal panel 110. [ do.

The plurality of optical sheets 121 may be made of, for example, a diffusion sheet for diffusing light, a prism sheet for condensing light, and a protective sheet for protecting the prism sheet and serving to assist light diffusion.

The liquid crystal panel 110 and the backlight unit 120 as described above are modularized through the support main body 130, the top cover 140, the plurality of coupling means 200 coupled with the support main body 130, and the cover bottom 150 .

Here, the top cover 140 covering the top edge of the liquid crystal panel 110 is a divided top cover divided into a plurality of divisions.

The split top cover 140 includes first and second top covers 141 and 143 facing the long sides of the liquid crystal panel 110 and first and second top covers 141 and 143 facing the long sides of the liquid crystal panel 110, And third and fourth top covers 145 and 147 facing each other.

Each of the first to fourth top covers 141, 143, 145 and 147 includes a front portion F covering the front edge of the liquid crystal panel 110 and a first side portion surrounding the side of the support main 130 S).

The support main body 130 has a rectangular shape and includes a vertical part 132 surrounding the edges of the liquid crystal panel 110 and the backlight unit 120 and a vertical part 132 extending from the inside of the vertical part 132, And a horizontal portion 134 separating the liquid crystal panel 110 and the backlight unit 120 while supporting the back edge.

Particularly, each corner of the vertical part 132 is formed with an engaging groove 135 for receiving a plurality of engaging means 200 according to the present invention.

Each of the coupling means 200 connects the first to fourth top covers 141, 143, 145 and 147 of the split top cover 140 and the split top cover 140 to the support main 130 As shown in Fig. Such coupling means 200 will be described in detail later.

The cover bottom 150 on which the backlight unit 120 is mounted and serves as a foundation of the entire structure of the liquid crystal display 100 includes a bottom plate 152 in the form of a rectangular plate which is in close contact with the back surface of the backlight unit 120, And a second side portion 154 that is vertically connected to the bottom portion 152 and along which at least one inner side of the LED assembly 129 is disposed.

The support main 130 is supported on the cover bottom 150 on which the backlight unit 120 including the LED assembly 129, the reflection plate 125, the light guide plate 123 and the plurality of optical sheets 121 is mounted. And the coupling means 200 is seated in the coupling groove 135 formed at each corner of the support main 130. The liquid crystal panel 110 is mounted on the horizontal portion 134 of the support main body 130 supporting the rear edge of the liquid crystal panel 110 and the first to fourth top covers 141 and 143 145, and 147 are coupled to each other through the coupling means 200 and fixed to the support main body 130.

The liquid crystal panel 110 and the backlight unit 120 are surrounded by the support main 130 having a rectangular shape and the top cover 140 is divided into a plurality of divided areas, The cover bottoms 150 covering the back surface of the backlight unit 120 are coupled to the front and rear sides of the support main body 130 and are integrated with the support main body 130 through a plurality of coupling means 200 to be modularized.

The liquid crystal display module modularized through the support main body 130, the split top cover 140, the plurality of coupling means 200 and the cover bottom 150 is finally assembled through the back cover 180 At this time, the system board 170 is provided at the rear surface of the cover bottom 150, and the back cover 180 is connected at the back of the system board 170 and is equipped. The system board 170 includes a control unit for receiving an image or voice signal input from the outside and transmitting the received image or voice signal to a liquid crystal panel 110 or a speaker and controlling a display or an audio output; An on-screen display (OSD) board for controlling functions related to screen adjustment, a speaker for outputting audio signals, an adapter for supplying the entire power of the liquid crystal display 100, and various cables Many of the components of the device can be mounted.

The light emitted from each of the plurality of LEDs 129a of the backlight unit 120 is incident on the inside of the light guide plate 123 and is refracted toward the liquid crystal panel 110 from inside thereof, 125 while being passed through the plurality of optical sheets 121, and is supplied to the liquid crystal panel 110 by being processed into a more uniform high-quality surface light source.

Here, the top cover 140 may be referred to as a case top or a top case. The support main 130 may be referred to as a guide panel or a main support or a mold frame. The cover bottom 150 may be referred to as a bottom cover, The back cover 180 may be referred to as a back case.

2A and 2B are perspective views showing a first coupling means according to a first preferred embodiment of the present invention, with reference to FIG.

As shown in FIGS. 2A and 2B, the coupling means 200 includes a first coupling portion 210 that is seated on a front surface of a coupling groove (135 in FIG. 1) formed at each corner of the support main (130 in FIG. 1) A second coupling 130 which is vertically connected to the first coupling portion 210 and is seated on the side of the coupling groove (135 in FIG. 1) of the support main (130 in FIG. 1) (220).

The coupling means 200 may be a plastic mold or a rubber mold formed by injection molding used to mold a specific shape. The coupling means 200 may also be configured to have the same color as the split top cover (140 in FIG. 1) to improve the sense of unity or to have a color of a different color, for example a complementary color relationship, .

The first coupling portion 210 may be formed in a fan shape and the second coupling portion 220 may be formed in a round shape corresponding to the rounded edges of the support main (130 in FIG. 1).

Particularly, on the front surface of the first coupling portion 210, a plurality of divided top covers (140 in FIG. 1) including the first to fourth top covers (141, 143, 145, 147 in FIG. 1) 1 coupling protrusions 212 and a second coupling protrusion 214 inserted into a plurality of coupling holes formed in coupling grooves 135 of the support main body 130 do.

At this time, the first height H1 of the first engaging protrusion 212 is formed to be equal to the thickness of the front portion F of the split top cover (140 in Fig. 1) Prevent steps.

The second height H2 of the second coupling portion 220 is determined corresponding to the coupling groove (135 in Fig. 1) of the support main (130 in Fig. 1).

The process of fastening and fixing the split top cover to the support main through the coupling means having such a structure will be described in detail with reference to FIGS. 3A to 3C.

FIGS. 3A to 3C are views for explaining the process of fastening and fixing the split top cover to the support main body through the coupling means according to the first preferred embodiment of the present invention, with reference to FIGS. 1, 2A and 2B . Here, the first and third top covers of the split top cover will be described as examples.

First, as shown in FIG. 3A, the support main body 130 includes coupling grooves 135 formed at respective corners of the vertical portion 132 and having a predetermined depth on the front surface and the outer surface of the vertical portion 132.

A plurality of second engaging protrusions 214 of the engaging means 200 can be inserted into the respective engaging grooves 135. The plurality of second engaging protrusions 214 of the engaging means 200 can be inserted into the respective engaging grooves 135, A coupling hole 135a is provided.

That is, the plurality of coupling holes 135a formed in the coupling groove 135 of the support main 130 correspond to the positions and the number of the second coupling projections 214 formed on the coupling means 200. [ On the other hand, only one coupling hole 135a and the second coupling protrusion 214 inserted therein may be formed.

When the coupling groove 135 is formed only on a part of the outer surface of each corner of the support main body 130 as shown in the figure, the coupling means 200 and the split type Protrusions 138 may be provided to eliminate the step with the top cover 140 when the top cover 140 is engaged in front of the support main 130.

3B, the coupling means 200 is seated and coupled through the coupling grooves 135 formed at the respective corners of the support main body 130. The plurality of coupling holes 135a of the coupling grooves 135, The second engaging protrusion 214 formed on the back surface of the first engaging portion 210 of the engaging means 200 is inserted into and engaged with the second engaging protrusion 214, respectively.

3C, the split top cover 140 including the first and third top covers 141 and 145 is seated and coupled to the top of the coupling means 200. At this time, the split top cover 140 140 are connected to each other through a first coupling protrusion 212 formed on the front surface of the first coupling portion 210 of the coupling means 200 and fastened and fixed to the support main body 130.

In this way, according to the present invention, the divided top covers divided into a plurality of pieces are connected to each other through the coupling means, so that the steps and spaces between the divided top covers can be filled.

In addition, since the split top cover has a volume and weight relatively smaller than that of the conventional top cover, a lightweight and thin liquid crystal display device can be realized. In addition, since the split top cover can reduce the material cost and the mold cost, the manufacturing cost of the entire liquid crystal display device can be reduced.

In addition, since the split top cover is connected to each other by the coupling means in which aesthetic elements are taken into consideration, a separate front cover is not required, thereby making it possible to reduce the manufacturing cost of the liquid crystal display, And reduce the width of the bezel.

On the other hand, various structures capable of more securely coupling and fixing the split type top cover to the support main will be described with reference to the drawings.

FIG. 4 is a perspective view showing a part of a liquid crystal display device according to a second preferred embodiment of the present invention, FIG. 5 is a perspective view showing a part of a liquid crystal display device according to a third preferred embodiment of the present invention, , Figures 2a and 2b and Figures 3a-3c.

As shown in FIG. 4, a fastening means 300 such as a screw to be screwed in the back direction from the front surface of the split top cover 140 including the first and third top covers 141 and 145 is further provided can do.

For this purpose, a screw hole 320 for screw fastening is provided on both ends of the first coupling portion (210 in FIGS. 2A and 2B) of the coupling means 200 and the corresponding split top cover 140 . In this way, the split top cover 140 can be more securely fixed to the support main body 130.

The separating top cover 140 may be stably attached to the support main body 130 by attaching the adhesive means 340 having a predetermined color to the upper part of the connection part of the split top cover 140 as shown in FIG. It can be fixed.

For example, it is possible to attach adhesive means 340 such as an adhesive tape or an adhesive pad covering a part of the coupling means 200 and the first and third top covers 141 and 145 connected thereto as shown in the figure have.

At this time, since the bonding means 340 is exposed to the outside, it may have a shape or pattern added with a molding or decorative element. Or a color having a complementary color with the divided top cover 140, for example, with a design element.

Although not shown, the adhesive means 340 may be provided between the split top cover 140 and the coupling means 200. The back surface of the split top cover 140 is connected to the first engagement portion 210 of the coupling means 200 by means of a double-sided tape or double-sided pad attached to the front surface of the first coupling portion 210 of the coupling means 200, 2b).

4, after the fastening means 300 is fastened, the fastening means 340 may be provided thereon.

Hereinafter, a split top cover according to another embodiment will be described with reference to the drawings. FIG. 6 is an exploded perspective view of a split top cover according to a fourth preferred embodiment of the present invention, and FIG. 7 is a view illustrating a combined top cover according to a fourth preferred embodiment of the present invention.

As shown in FIG. 6, the split top cover 240 may be composed of first to fourth top covers 241, 243, 245, and 247, and first to fourth top covers 241, 243, 245, and 247 are formed with a pair of projections and fastening portions 240a and 240b, respectively.

To be more specific, each of the first to fourth top covers 241, 243, 245, and 247 may have a protrusion 240a or protrusion 240a protruding from the connection surface, And a fastening portion 240b which is recessed inward from the surface.

Each of the protruding portion 240a and the coupling portion 240b may be formed in a triangular shape. However, the protruding portion 240a and the coupling portion 240b may be formed in various shapes such as a circular or elliptical shape.

7, each of the first to fourth top covers 241, 243, 245, and 247 can be engaged with the protrusion 240a and the coupling portion 240b without being deformed .

At this time, a double-sided tape (not shown) is provided on the back surface of the front portion F of each of the first to fourth top covers 241, 243, 245, 247 and the inside of the first side portion S, The top covers 241, 243, 245, and 247 can be more securely engaged and fixed to the support main (130 in FIG. 1).

As another example, protrusions 240a may be formed on the connection surfaces of the first and second top covers 241 and 243 facing each other, and the protrusions 240a may be formed on the connection surfaces of the remaining third and fourth top covers 245 and 247, An engaging portion 240b for engaging with the first and second top covers 241 and 243 may be formed. Or the connecting surfaces of the first and second top covers 241 and 243 facing each other and the connecting surfaces of the remaining third and fourth top covers 245 and 247 are formed on the connecting surfaces of the first and second top covers 241 and 243, And the protrusions 240a to be engaged with the second top covers 241 and 243, respectively.

FIG. 8 is a perspective view showing a split top cover according to a fifth preferred embodiment of the present invention and a second combining means for coupling the same, FIG. 9 is a plan view showing a part of a liquid crystal display according to a fifth preferred embodiment of the present invention. FIG.

8, the divided top cover 340 composed of the first to fourth top covers 341, 343, 345 and 347 can be more securely fastened and fixed by the coupling means 400 .

Here, the first to fourth top covers 341, 343, 345, and 347 correspond to the connection surfaces in the same manner as the first to fourth top covers 241, 243, 245, and 247 of FIGS. And a through hole 344 having a pair of protrusions 240a and a fastening portion 240b and being inserted into both ends of the first side portion S, respectively.

The coupling means 400 more securely engages the neighboring split top cover 340, e.g., the first and third top covers 341 and 345 or the first and fourth top covers 341 and 347 .

The engaging means 400 for this purpose comprises first and second engaging portions which are connected to each other at right angles to each other. Inside each of the first and second engaging portions, the first to fourth top covers 341, 343, 345 and 347 And coupling protrusions 410 are formed at both ends of one side portion S to be inserted into the through holes 344 formed in the respective side portions S, respectively.

Accordingly, the first to fourth top covers 341, 343, 345, and 347 are engaged with each other through the protrusions 240a and the fastening portions 240b corresponding to each other, The engaging protrusions 410 of the engaging means 400 are inserted into the through holes 344 formed at the both ends of the first side portions S of the first to fourth top covers 341, 343, 345 and 347. As a result, two adjacent divided top covers 140 are surrounded by the respective coupling means 400, and are firmly engaged with each other through the coupling means 400. [

Although the engaging means 400 is shown protruding from the side surface of the split top cover 140 in the figure, the first to fourth top covers 341, 343, 345 and 347 (corresponding to the engaging means 400) It is preferable that the binding means 400 is formed so as not to protrude from the outer surface of the split top cover 140 by forming a bending portion formed inwardly from the respective outer side surfaces or by reducing the thickness.

On the other hand, the present invention has been described above with reference to a lateral type liquid crystal display device. However, the present invention is not limited to this and can be applied to a direct-type liquid crystal display device. In addition, although the divided top cover has been described as being divided into four, for example, the present invention is not limited thereto. For example, at least two first and second top covers divided to be symmetrical with each other along the long side direction, the short side direction, ≪ / RTI >

That is, the embodiments of the present invention are merely illustrative, and those skilled in the art can freely make modifications without departing from the gist of the present invention. Accordingly, the protection scope of the present invention includes modifications of the present invention within the scope of the appended claims and equivalents thereof.

100: liquid crystal display device 110: liquid crystal panel
120: Backlight unit
130: support main body 132 (vertical part, 134: horizontal part, 135: coupling groove, 135a: coupling hole)
140: Split top cover (first to fourth tower covers: 141, 143, 145, 147)
150: cover bottom 200: engaging means
210: first coupling portion (212: first coupling projection, 214: second coupling projection)
220: second coupling portion

Claims (10)

A liquid crystal panel;
A backlight unit provided on a rear surface of the liquid crystal panel;
A support main body which separates the liquid crystal panel and the backlight unit and edges the edges of the liquid crystal panel and the backlight unit;
A plurality of division type top covers coupled to each other and covering a front edge of the liquid crystal panel;
Each of the plurality of split top covers includes a first engaging portion that is seated on a front edge of the support main body and a second engaging portion that is perpendicularly connected to the first engaging portion and surrounds a side edge of the support main body, And a plurality of coupling means
And the liquid crystal display device.
The method according to claim 1,
The first engaging portion of the engaging means
And a coupling protrusion that fills a gap between the plurality of divided top covers and connects the plurality of divided top covers to each other.
The method according to claim 1,
The support main
And an engaging groove for allowing the engaging means to be seated on each of the corners.
The method of claim 3,
At least one coupling hole for coupling with the coupling means is provided on the front surface of the coupling groove of the support main body,
The first engaging portion of the engaging means
And at least one engaging projection for engaging the at least one engaging hole on the back surface.
The method according to claim 1,
Wherein the plurality of split top covers and the plurality of coupling means are screwed together.
The method according to claim 1,
And a bonding means such as an adhesive tape or an adhesive pad covering the part of the divided top cover connected thereto by the coupling means.
The method according to claim 1,
And a bonding means, such as a double-sided tape or double-sided pad, provided between the coupling means and the split top cover for adhering and bonding the coupling means and the split top cover to each other.
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