KR20000038536A - Liquid crystal module and lcd monitor device using the same - Google Patents

Abstract

The longitudinal length of the top chassis is made larger than the longitudinal length of the mold frame to form a gap between the longitudinal inner wall of the top chassis and the longitudinal outer wall of the mold frame, and the gap is fixed to the side of the top chassis or mold frame in which the gap is formed. A protrusion is formed and an insertion portion is formed in the rear case corresponding to the fixing protrusion.

Alternatively, the concave-convex coupling means is formed in the longitudinal side wall and the rear case of the gap-shaped LCD module to fix the LCD module and the rear case.

Therefore, by combining the LCD module and the LCD rear case at one time, it is possible to prevent the size of the monitor device from being increased due to unnecessary area increase of the rear case, and also by combining the LCD module and the rear case in a custom manner rather than by screwing. The number of assembly processes can be reduced.

Description

LCD module and LCD monitor device using the same

The present invention relates to an LCD module, and more particularly, the length from one side wall to the other side wall of the mold frame facing each other is formed to be smaller than the length of the top chassis, and the inside of the outer wall or top chassis of the mold frame in which a gap is generated. The present invention relates to an LCD monitor having protrusions formed on sidewalls.

The present invention relates to an LCD monitor apparatus using an LCD module, and more particularly, to reduce the number of assembly processes by modifying a method of mounting an LCD module for displaying a screen and a rear case in which the LCD module is accommodated. The present invention relates to a lighter and more compact LCD monitor device such that the case area and the LCD module area are the same.

Recently, with the development of highly integrated and high performance semiconductor devices and the development of the electric and electronic industries, the development of information processing apparatuses capable of high-speed processing of information is also rapidly progressing.

There are many different types of information processing devices. For example, desktop computers, which are frequently used in daily life and work, and laptop computers, which are portable computers, have been steadily upgraded recently.

Here, a laptop computer, which has recently attracted attention due to its light weight, thinness, and low power consumption, cannot be used with a cathode ray tube type monitor commonly employed in a desktop computer because its purpose is a portable information processing device. In addition, the LCD module that can support high resolution is used as a monitor.

As such, the laptop-type computer employing the LCD module is generally composed of a computer body and a monitor device. The monitor device receives an LCD screen displaying information processed by the computer body and a case protecting the front and rear of the LCD module. It consists of.

Here, the case is divided into a front case for fixing the remaining area except the effective screen display area of the LCD module and a rear case for supporting and fixing the LCD module.

As shown in FIG. 1, a fastening protrusion 20 for fixing the LCD module 10 to the rear case 50 is formed to protrude in all directions on the side of the LCD module 10, and at the center of the fastening protrusion 20. A fastening hole 25 into which the screw 30 is inserted is formed.

In addition, the bottom surface of the rear case 50 on which the LCD module 10 is seated corresponds to the fastening hole 25 to form a screw groove 60, and the screw groove 60 is a screw inserted into the fastening hole 25. End portions 30 are fitted to fix the LCD module 10 and the rear case 50.

The rear case 50 is coupled to the front case (not shown) and then hinged to the computer body (not shown).

However, as described above, in order to fix the rear case and the LCD module, there is a problem in that the size of the LCD display device increases due to the fastening protrusion protruding a predetermined length from the side of the LCD module. This is because the rear case has the same area as the sum of the areas of the fastening protrusions to the area of the LCD module.

In addition, in order to couple the rear case and the LCD module, at least one or more screws must be fastened to the fastening holes and the screw grooves, thereby increasing the number of assembly processes.

Accordingly, an object of the present invention has been devised in view of the above-described problems, so that the area of the LCD module excluding the fastening protrusions and the storage area of the rear case are the same to reduce the total area of the liquid crystal display device.

Another object of the present invention is to reduce the number of assembly processes by custom coupling the LCD module and the rear case.

Still other objects of the present invention will become more apparent from the detailed description of the invention which follows.

1 is an exploded perspective view showing a conventional LCD monitor device.

2 is an exploded perspective view showing the structure of an LCD monitor device according to a first embodiment of the present invention;

3 and 4 are perspective views showing the structure of the bracket,

5 is a longitudinal cross-sectional view taken along line I-I in a state in which the LCD monitor device of FIG. 2 is coupled;

6 is a state diagram showing a state in which the LCD module and the rear case is fixed according to the present invention,

7 is a perspective view showing a state in which the LCD module and the rear case are coupled to the present invention.

8 is an exploded perspective view showing the structure of an LCD monitor device according to a second embodiment of the present invention;

FIG. 9 is a longitudinal cross-sectional view taken along line II-II in a state in which the LCD monitor device of FIG. 8 is coupled; FIG.

According to one aspect of the invention, by forming a longitudinal size of the mold frame smaller than the longitudinal size of the top chassis, a gap having a predetermined size is formed between the longitudinal outer wall of the mold frame and the longitudinal inner wall of the top chassis, At least one fixing protrusion is formed on any one of the outer wall of the mold frame or the inner wall of the top chassis in which the gap is generated, and the receiving groove in which the LCD module is accommodated is formed at a predetermined depth on the upper surface of the rear case. Forming inserts to which the fixing projections are fitted at both ends of the longitudinal direction of the corresponding receiving groove.

Preferably, brackets may be additionally installed at both ends of the receiving groove corresponding to the gap to be fitted into the gap, and an insertion portion may be formed on the upper surfaces of the brackets.

For example, the insertion portion is formed to protrude from the upper surface of the bracket to a predetermined height to prevent the separation of the fixing projections, and bent in a "b" shape on the upper surface of the bracket to surround one side and the upper surface of the locking jaw It is formed between the guide and the fixing projections, and a portion formed between the bracket perpendicular to the bracket and the locking jaw and consists of a seating groove in which the fixing projections are seated.

As another example, the insertion part is a groove cut from the upper surface of the bracket to a predetermined depth in the lower direction of the bracket, the guide is cut downward from the upper surface of the bracket with a predetermined inclination to guide the fixing projections, and the fixing projection of the bracket It is composed of a seating groove formed to be perpendicular to the guide at the bottom of the guide to prevent the departure from the outside.

According to another aspect of the present invention, by forming a longitudinal size of the mold frame smaller than the longitudinal size of the top chassis, a gap having a predetermined size is formed between the longitudinal outer wall of the mold frame and the longitudinal inner wall of the top chassis, In order to fix the LCD module and the rear case, at least one concave-convex coupling means is formed on the longitudinal side wall and the rear case of the LCD module in which the gap is generated.

Preferably, brackets are additionally installed at both ends of the receiving groove corresponding to the gap to fit in the gap.

Preferably, the concave-convex coupling means is formed on the longitudinal outer wall of the mold frame or the longitudinal inner wall of the top chassis, and a fixing groove extending a predetermined length from the lower surface of the mold frame or the top chassis toward the LCD panel, and a bracket facing the fixing groove. It is formed on one side of the, and the predetermined length is extended in the upper direction from the lower surface of the bracket consists of a fixing projection that is fastened to the fixing groove.

Hereinafter, an LCD monitor according to the present invention will be described with reference to the accompanying drawings, FIGS. 2 to 7.

A laptop computer using an LCD module as a display device is generally composed of a monitor device and a main body that transmits an electrical signal to the monitor device for displaying processed information.

<First Example>

In FIG. 2, only a monitor device which is an essential part of the present invention is illustrated, and only a monitor device will be described below.

The monitor apparatus 100 may prevent the LCD module 200 displaying information, the rear case 300 in which the LCD module 200 is accommodated, and the LCD module 200 from being separated from the rear case 300. In order to surround the screen non-display area and the side of the LCD module 200, the front case 350 is fastened to the rear case 300.

As shown in FIG. 5, the LCD module 200 according to the first embodiment has a rectangular mold frame 210 having an accommodating space formed thereon, and a mold frame 210 for reflecting, guiding and condensing light. Reflective sheet 220, light guide plate 222 and optical sheets 224, which are sequentially stacked in the storage space of the LCD panel 225, which is placed on the upper surface of the optical sheets 224 to display information, and LCD The top chassis 250 is fixed to the mold frame 210 while surrounding the non-display area of the panel 225 and the outer surface of the mold frame 210.

Here, when the mold frame 210 and the top chassis 250 are fastened, the widthwise outer wall of the mold frame 210 and the widthwise inner wall of the top chassis 250 are in contact with each other, but are shown in FIG. 2 or 5. As described above, the longitudinal size of the mold frame 210 is smaller than the longitudinal size of the top chassis 250 such that a gap having a predetermined size is formed between the longitudinal outer wall of the mold frame 210 and the longitudinal inner wall of the top chassis 250. 230 is generated.

Also, as shown in FIGS. 2 and 5 to 7, the fixing protrusion 260 protrudes toward the mold frame 210 by a predetermined length on the inner side wall of the top chassis 250 in which the gap 230 is generated. To fix the LCD module 200 to the rear case 300.

Preferably, at least one fixing protrusion 260 is formed with respect to the same side wall of the top chassis 250, and most preferably, one fixing member 260 is formed at each end of each side wall in the longitudinal direction to form the rear case 300 and the LCD module 200. ) To be stable.

In addition, preferably the protruding length of the fixing protrusion 260 is formed equal to the distance of the gap 260 formed between the mold frame 210 and the top chassis 250 of the mold frame 210 and the top chassis 250. Improve the tightening force.

On the other hand, the separation prevention projections 270 are formed on each side wall in the longitudinal direction of the top chassis 250 in which the fixing projections 260 are formed, and the separation prevention projections 270 are fitted to the rear case 300 by the LCD module 200. When the LCD module 200 is prevented from being prevented from being separated again in the direction fitted to the rear case 300.

Here, at least one release preventing protrusion 270 is formed with respect to each side wall in the same longitudinal direction, and the formation position is preferably formed at the center of each side wall in the longitudinal direction.

Preferably, the fixing protrusion 260 and the separation preventing protrusion 270 may be formed in the mold frame 210.

On the other hand, the upper surface of the rear case 300 according to the first embodiment is formed with a receiving groove 310 for accommodating the LCD module 200 to a predetermined size, and the top chassis on both side walls in the longitudinal direction of the receiving groove 310 The brackets 320 inserted into the gap 230 formed between the 250 and the mold frame 210 to fix the LCD module 200 are hinged.

Therefore, the brackets 320 may be spaced apart from both side walls of the rear case 300 so that the longitudinal side wall of the top chassis 250 is inserted between the longitudinal side wall of the rear case 300 and the brackets 320. It is installed, and is formed to extend in the width direction of the receiving groove (310).

In addition, insertion portions 330 and 340 to which the fixing protrusions 260 are inserted and fixed are formed in predetermined regions of the upper surface of the brackets 320 corresponding to the fixing protrusions 260.

Insertion portion 330 according to one side of the present invention is formed to protrude to a predetermined height from the upper surface of the bracket 320 as shown in Figure 3 and the locking step 332 to prevent the separation of the fixing projections 260 and The guide 334 and the guide 334 are formed to protrude in a "b" shape from the upper surface of the bracket 320 to surround one side and the upper surface of the locking jaw 332 to guide the fixing protrusion 260. It is formed between the vertical portion of the bracket 320 and the locking step 332 and consists of a seating groove 336 in which the fixing protrusion 260 is finally placed.

Here, the guide 334 is bent in the direction in which the LCD module 200 is fitted, the portion of the guide 334 horizontal to the bracket 320 is spaced apart from the upper surface of the locking projection 332 by a predetermined interval fixed fixing projections The passage 260 is provided, and a portion perpendicular to the bracket 320 is spaced a predetermined distance from one side of the locking jaw 332 to form a seating groove 336 while the fixing protrusion 260 is inserted therein. Close the passage.

On the other hand, as shown in Figure 6 the side wall of the bracket 320 facing the longitudinal side wall of the rear case 300, the separation prevention groove 370 is coupled to the separation prevention protrusion 270 is formed LCD module 200 ) Is prevented from falling out again in the direction of insertion into the insertion portion 330.

Insertion portion 340 according to another aspect of the present invention is a groove cut to a predetermined depth in the downward direction from the upper surface of the bracket 320, as shown in Figure 4, the upper surface of the bracket 320 with a predetermined slope Formed to a predetermined depth in the lower direction in the guide 344 for guiding the fixing protrusion 260, and the guide fixing protrusion 260 is prevented from being separated to the outside of the bracket 320 through the guide 344 again It is formed to be perpendicular to the guide 344 at the lower end of the guide 344 is composed of a seating groove 346 in which the fixing protrusion 260 is seated.

Here, the guide 344 and the seating groove 346 are formed through the width direction of the guide 344. In addition, the guide 344 is formed in an oblique line or bent in an "S" shape.

On the other hand, at the side of the bracket 320 facing the longitudinal side wall of the rear case 300, a separation prevention groove 370 'coupled to the separation prevention protrusion 270 is formed so that the LCD module 200 is inserted portion 340 To prevent it from falling back in the direction of insertion.

The coupling process of the LCD module and the rear case according to the first embodiment will be described with reference to FIGS. 2, 6 and 7 as follows.

First, the mold frame 210 and the top are covered by covering the top chassis 250 on the upper part of the mold frame 210 in which the reflective sheet 220, the light guide plate 222, the optical sheets 224, and the LCD panel 225 are accommodated. Coupling the chassis 250. At this time, since the longitudinal size of the mold frame 210 is smaller than the longitudinal size of the top chassis 250, the gap 230 having a predetermined interval between the outer surface of the mold frame 210 and the inner wall of the top chassis 250. ) Is formed.

As such, when the mold frame 210 and the top chassis 250 are coupled to each other, the LCD module 200 is inserted into the receiving groove 310 at the top of the rear case 300, and then the LCD module 200 and the rear case 300. ).

Here, when the LCD module 200 is inserted into the accommodating groove 310 of the rear case 300, the longitudinal sidewalls of the top chassis 250 are disposed between the longitudinal sidewall of the rear case 300 and the brackets 320. The brackets 320 are fitted into the gap 230 formed between the top chassis 250 and the mold frame 210.

Hereinafter, the insertion part 330 having the guide 334, the locking jaw 332, and the seating groove 336, which is bent in a "a" shape, will be described as an example.

When the LCD module 200 is inserted into the receiving groove 310 of the rear case 300, the fixing protrusion 260 formed on the top chassis 250 and the insertion part 330 formed on the bracket 320 correspond to each other. Since the fixing protrusion 260 is caught on the upper surface of the guide 334 because the LCD module 200 is not completely seated in the receiving groove 310, the rear case 300 and the LCD module 200 are formed at the position. It is not fixed.

Therefore, in order to completely fix the LCD module 200 to the rear case 300, the LCD module 200 in a direction opposite to the direction in which the fixing protrusion 260 is fitted to the inserting portion 330, as shown in FIG. Push) to place the fixing projections 260 in front of the bracket 320 of the guide 334 to the horizontal portion.

In this state, the LCD module 200 is completely inserted into the receiving groove 310 so that the bottom surface of the LCD module 200 and the base surface of the receiving groove 310 contact each other, but the fixing protrusion 260 is lower than the locking step 332. Since the locking projection 260 interferes with the course even when the LCD module 200 is pushed in the direction in which the fixing protrusion 260 is inserted into the inserting portion 330, the fixing protrusion 260 is inserted into the inserting portion 330. Cannot be fixed).

Therefore, the LCD module 200 is slightly lifted up so that the fixing protrusion 260 is positioned on the upper part of the locking step 332, and the LCD module 200 is positioned in the direction in which the fixing protrusion 260 is fitted to the insertion part 330. After pushing the LCD module 200 down, the LCD module 200 is fully inserted into the receiving groove 310, and the fixing protrusion 260 is also lowered together with the LCD module 200 to be seated as shown in FIG. 7. The fixing protrusion 260 is placed in the groove 336.

Here, the fixing protrusion 260 is moved along the horizontal portion of the guide 334 to the bracket 320, and when the LCD module 200 is lowered in the vertical portion of the bracket 320, the guide 334 is caught Since the fixing protrusions 260 are placed in the seating grooves 336 formed between the jaws 332, the fixing protrusions 260 do not fall back in the direction fitted by the locking jaws 332.

On the other hand, when the LCD module 200 is placed in a portion perpendicular to the bracket 320 of the guide 334, the fixing protrusion 260 is inserted into the mounting groove 336 and at the same time the separation prevention protrusion formed on the top chassis 250 270 is slid along the side of the bracket 320 is caught in the separation prevention groove 370 formed in the bracket (320).

Therefore, when the laptop computer is severely flowed, since the LCD module 200 is lifted higher than the locking step 332, the LCD module 200 is prevented from falling in the opposite direction to the inserted direction, thereby improving product reliability.

As such, when the LCD module 200 and the rear case 300 are fixed, the front case 350 is fixed to the rear case 300 by covering the front case 350 on the upper portion of the LCD module 200. The screen non-display area and the side surface of the LCD module 200 are enclosed.

The insertion part of the first embodiment may have various modifications, and when the bracket is not used, the insertion part may be formed on the base surface of the receiving groove corresponding to the fixing protrusion. Here, the reason for using the bracket is that when the insertion portion is formed on the base surface of the receiving groove, the height of the guide and the locking jaw is increased, thereby decreasing the strength of the insertion portion.

<2nd Example>

A second embodiment of the present invention will be described with reference to the accompanying drawings, FIGS. 8 and 9. Here, the same reference numerals are given to the same members as those in the first embodiment.

The monitor device 100 according to the second embodiment includes an LCD module 200 displaying large information, a rear case 300 in which the LCD module 200 is accommodated, and an LCD module 200 in the rear case 300. It is composed of a front case 350 that is fastened to the rear case 300 while surrounding the non-display area and the side of the LCD module 200 in order to prevent the departure from.

Here, the LCD module 200 has a rectangular mold frame 210 having an accommodating space formed on an upper surface thereof, as shown in FIG. 9, and an accommodating space of the mold frame 210 to reflect, guide, and condense light. Reflective sheet 220, light guide plate 222 and optical sheets 224, which are sequentially stacked, the LCD panel 225 to be displayed on the upper surface of the optical sheets 224, and the LCD panel 225 The top non-display area and the outer surface of the mold frame 210 while surrounding the top chassis 250 is fixed to the mold frame 210 is composed of.

Here, when the mold frame 210 and the top chassis 250 are fastened, the widthwise outer wall of the mold frame 210 and the widthwise inner wall of the top chassis 250 are in contact with each other, but are shown in FIG. 2 or 5. As described above, the longitudinal size of the mold frame 210 is smaller than the longitudinal size of the top chassis 250 such that a gap having a predetermined size is formed between the longitudinal outer wall of the mold frame 210 and the longitudinal inner wall of the top chassis 250. 230 is generated.

In addition, a fixing groove 215 for fixing the LCD module 200 to the rear case 300 is provided on the longitudinal sidewall of the mold frame 210 in which the gap 230 is generated, from the lower surface of the mold frame 210. It extends by a predetermined length toward the surface.

Here, at least one fixing groove 215 is formed with respect to the same side, and one at each end of each side of the mold frame 210 to stably fix the LCD module 200 to the rear case 300. Most preferred.

In addition, the anti-separation protrusion 270 is formed on both side walls of the mold frame 210 in which the fixing grooves 215 are formed, and the anti-separation protrusion 270 is inserted into the rear case 300 by the LCD module 200. When the LCD module 200 is prevented from being separated in the inserted direction.

Preferably, the fixing groove 215 and the separation preventing protrusion 300 may be formed in the top chassis 250.

On the other hand, the upper surface of the rear case 300 according to the second embodiment is formed with a receiving groove 310 for accommodating the LCD module 200 to a predetermined size, and the top chassis on both side walls in the longitudinal direction of the receiving groove 310 The bracket 320 which is introduced into the gap 230 formed between the 250 and the mold frame 210 and fixes the LCD module 200 is hinged.

Therefore, the bracket 320 is spaced apart from the longitudinal side walls of the rear case 300 so that the longitudinal side wall of the top chassis 250 is inserted between the longitudinal side wall of the rear case 300 and the bracket 320. It is installed, and is formed to extend in the width direction of the receiving groove (310).

In addition, one side of the surface of the bracket 320 facing the departure prevention protrusion 270 is formed with a fixing protrusion 325 to correspond to the fixing groove 315, the fixing protrusion 325 is the lower portion of the bracket 320 It extends from the surface in the upper direction by a predetermined length is fastened to the fixing groove 315.

Preferably, the shape of the fixing groove 315 and the fixing protrusion 325 is rectangular.

Preferably, when the bracket 320 is not used, the fixing protrusion 325 may be formed on the base surface of the receiving groove 310, and the fixing protrusion 325 is formed on the mold frame 210 and the fixing groove is formed. 215 may be formed on the bracket 320.

In addition, the side surface of the bracket 320 facing the longitudinal side wall of the rear case 300, the separation prevention groove 370 is formed to be coupled with the separation prevention protrusion 270, the LCD module 200 is fixed projection 325 To prevent it from falling back in the direction of insertion.

Referring to the fastening process of the rear case and the LCD module according to the second embodiment as follows.

First, the mold frame 210 in which the reflective sheet 220, the light guide plate 222, the optical sheets 224, and the LCD panel 225 are accommodated is coupled to the top chassis 250. At this time, since the longitudinal size of the mold frame 210 is smaller than the longitudinal size of the top chassis 250, the gap 230 having a predetermined interval between the outer surface of the mold frame 210 and the inner wall of the top chassis 250. ) Is formed.

As such, when the mold frame 210 and the top chassis 250 are coupled to each other, the LCD module 200 is inserted into the receiving groove 310 at the top of the rear case 300, and then the LCD module 200 and the rear case 300. ).

At this time, since the fixing groove 215 formed in the mold frame 210 and the fixing protrusion 325 formed in the bracket 320 are formed at positions corresponding to each other, the LCD module 200 is disposed on the upper portion of the rear case 300. When inserted, the fixing groove 215 is slid along the fixing protrusion 325 while the LCD module 200 is completely seated in the receiving groove 310 of the rear case 300 and the LCD module 200 and the rear case 300. Is fixed.

When the LCD module 200 and the rear case 300 are easily coupled by sliding the fixing groove 215 and the fixing protrusion 325, the LCD module 200 is inserted into the rear case 300 by a weak vibration or shock. It can be separated again in the losing direction, in order to prevent this from the separation prevention projections 270 formed in the mold frame 210 is inserted into the separation prevention grooves 370 formed in the bracket (320).

When the LCD module 200 descends along the fixing protrusion 325, the separation preventing protrusion 270 formed in the mold frame 210 slides along the side of the bracket 320, and the separation preventing groove formed in the bracket 320 is formed. 370 is caught.

As described above, when the LCD module 200 and the rear case 300 are fixed, the front case 350 is fixed to the rear case 300 by covering the front case 350 on the upper portion of the LCD module 200, and the front case 350 is the LCD module. The screen non-display area and the side surface of the LCD module 200 are enclosed.

As described above, the longitudinal length of the top chassis is greater than the longitudinal length of the mold frame to form a gap between the longitudinal inner wall of the top chassis and the longitudinal outer wall of the mold frame, and the gap is formed with the top chassis or mold. A fixing protrusion is formed on the side wall of the frame, and an inserting portion is formed in the rear case corresponding to the fixing protrusion.

Alternatively, the concave-convex coupling means is formed in the longitudinal side wall and the rear case of the gap-shaped LCD module to fix the LCD module and the rear case.

Therefore, by combining the LCD module and the LCD rear case at one time, it is possible to prevent the size of the monitor device from increasing due to the increase of the unnecessary area of the rear case. This can reduce the number of processes.

Claims (13)

A rectangular mold frame in which an accommodating space having a predetermined size is formed on an upper surface thereof so that the reflective sheet, the light guide plate, and the optical sheets are sequentially stacked; An LCD panel installed on an upper surface of the optical sheet and displaying information; Both sides of the mold frame in which the screen of the LCD panel is not displayed and the sides of the mold frame are combined with the mold frame, and the length between the opposite side walls facing each other is in contact with the opposite side walls. A top chassis formed larger than a length between the top chassis to form a gap having a predetermined size between the inner wall and the outer wall of the mold frame; And an at least one fixing protrusion formed on at least one of an outer wall of the mold frame or an inner wall of the top chassis forming the gap. An LCD module for displaying information, a rear case into which the LCD module is inserted and fixed, a portion of the LCD module other than an area where a screen is displayed, and a front case fixed to the rear case while surrounding the side of the LCD module. In the LCD monitor device, The LCD module A rectangular mold frame in which an accommodating space having a predetermined size is formed on an upper surface thereof so that the reflective sheet, the light guide plate, and the optical sheets are sequentially stacked; An LCD panel installed on an upper surface of the optical sheet and displaying information; Both sides of the mold frame in which the screen of the LCD panel is not displayed and the sides of the mold frame are combined with the mold frame, and the length between the opposite side walls facing each other is in contact with the opposite side walls. A top chassis formed larger than a length between the top chassis to form a gap having a predetermined size between the inner wall and the outer wall of the mold frame; At least one protruding fixing protrusion formed on any one of the outer wall of the mold frame or the inner wall of the top chassis forming the gap, The upper surface of the rear case is formed with a receiving groove for accommodating the LCD module to a predetermined depth, and both ends of the longitudinal direction of the receiving groove corresponding to the fixing projections are inserted into the fixing projections are fixed. LCD monitor device. 3. The LCD monitor apparatus of claim 2, wherein the fixing protrusion protrudes toward the mold frame from an inner wall of the top chassis generating the gap. 4. The LCD monitor of claim 3, wherein a protruding length of the fixing protrusion is equal to a size of the gap. The LCD monitor apparatus according to claim 2, wherein brackets are additionally installed at both ends of the receiving groove corresponding to the gap to fit in the gap, and the insertion part is formed on the upper surfaces of the brackets. The method of claim 5, wherein the insertion portion A locking projection protruding from the upper surface of the bracket to a predetermined height to prevent separation of the fixing protrusion; A guide formed to be bent in a "b" shape on the upper surface of the bracket to surround one side and the upper surface of the locking jaw, and a guide spaced apart from the one side and the upper surface of the locking jaw by a predetermined distance to guide the fixing protrusion; ; The LCD monitor device, characterized in that formed between the vertical portion of the guide and the engaging jaw and a seating groove in which the guide fixing projections are seated. According to claim 5, The insertion portion is a groove cut to a predetermined depth in the lower direction of the bracket from the upper surface of the bracket, A guide which cuts downward from an upper surface of the bracket with a predetermined inclination to guide the fixing projections; LCD monitor device, characterized in that consisting of a mounting groove formed to be perpendicular to the guide at the lower end of the guide to prevent the guided fixing projection is separated to the outside of the bracket. The LCD monitor apparatus of claim 2, further comprising a separation prevention means for preventing the LCD module from being separated from the rear case by falling in the direction in which the fixing protrusion is inserted into the insertion unit. According to claim 5 or 8, wherein the separation preventing means is a separation prevention projection formed on the inner wall of the top chassis or the outer wall of the mold frame formed with the fixing projections, one of the brackets facing the separation prevention projections The LCD monitor device, characterized in that formed in the side is composed of a separation prevention groove into which the separation prevention projections are fitted. An LCD module for displaying information; A rear case into which the LCD module is inserted and fixed; At least one at least one LCD module and the rear case are formed with uneven coupling means for fixing the LCD module and the rear case; And a front case fixed to the rear case while enclosing a side of the LCD module except a region where a screen is displayed among the LCD modules, The LCD module A rectangular mold frame in which an accommodating space having a predetermined size is formed on an upper surface thereof so that the reflective sheet, the light guide plate, and the optical sheets are sequentially stacked; An LCD panel installed on an upper surface of the optical sheet and displaying information; Both sides of the mold frame in which the screen of the LCD panel is not displayed and the sides of the mold frame are combined with the mold frame, and the length between the opposite side walls facing each other is in contact with the opposite side walls. The LCD monitor device, characterized in that the top chassis is formed larger than the length between the inner wall and the outer wall of the mold frame formed a gap of a predetermined size. The LCD monitor apparatus according to claim 10, wherein brackets are additionally installed at both ends of the receiving groove corresponding to the gap to fit in the gap. According to claim 10 or 11, wherein the uneven coupling means A fixing groove formed on an outer wall of the mold frame or an inner wall of the top chassis that generates the gap and extending a predetermined length from the lower surface of the mold frame or the top chassis toward the LCD panel; The LCD monitor device, characterized in that formed on one side of the bracket facing the fixing groove, a predetermined length extending from the lower surface of the bracket to the upper direction and consisting of a fixing projection coupled to the fixing groove. According to claim 10 or 11, wherein the uneven coupling means A fixing protrusion formed on an outer wall of the mold frame or an inner wall of the top chassis that generates the gap and extending a predetermined length from the bottom surface of the mold frame or the top chassis toward the LCD panel; The LCD monitor device, characterized in that formed on one side of the brackets opposite to the fixing projections, a predetermined groove extending from the lower surface of the brackets in an upward direction to be fixed to the fixing projections.