KR102155340B1 - Lcd module - Google Patents

Abstract

The present invention relates to an LCD module having an improved coupling structure wherein a coupling structure between components constituting the LCD module is simple to be easy for manufacturing and assembly, and a separate coupling member such as a double-sided tape is unnecessary to reduce production costs and the like. According to the present invention, the LCD module may comprise: a glass panel disposed on a front side and having a button unit inlet groove formed thereon; and a liquid crystal panel provided and displayed on a rear side of the glass panel.

Description

LCD module {LCD MODULE}

The present invention relates to an LCD module that is easy to manufacture and assemble due to a simple coupling structure between components constituting an LCD module, and that a separate coupling member such as double-sided tape is not required, thereby reducing production costs.

In general, liquid crystal display (LCD) modules used in industrial monitors are designed in a structure in which an air gap between the LCD cell and the cover is formed. In the case of an LCD module having such an air gap, there is a problem that the reflectance of the LCD module is increased due to light scattering due to the air gap, and thus the clarity of the LCD module is deteriorated.

In order to solve this problem, it is manufactured through a method of intimately bonding the LCD cell and the cover by providing a bonding member such as an adhesive or double-sided tape on the back of the cover.

However, in the case of bonding through adhesive application and curing, the application position must be accurately set in the process of applying the adhesive, and if it is cured to the wrongly applied part, there is a concern that the adhesive will cure to the unintended internal configuration, causing difficulty in operation. do.

In addition, when it is bonded through double-sided tape, it is necessary to accurately set the location where it is bonded in the same way as the above-described adhesive, and if the double-sided tape is attached incorrectly, there is a possibility that the product will not be able to be used. There is a problem that this can still exist.

Korean Patent Publication No. 10-0451579 (Announcement on Oct. 08, 2004)

The present invention was conceived to solve the above problems, and an object of the present invention is to manufacture and assemble easy due to a simple coupling structure between components constituting an LCD module, and production because a separate coupling member such as double-sided tape is unnecessary. It is to provide an LCD module having an improved coupling structure that can reduce cost and the like.

In addition, the present invention minimizes the inflow of foreign substances between the glass panel and the liquid crystal panel during the bonding process, and improves the bonding force by vacuuming the inside of the LCD module through mechanical bonding without a vacuum chamber, and the foreign substances float inside the LCD module. It is to provide an LCD module that can prevent this.

In addition, when the user touches the glass panel, the fragrance capsule of the built-in fragrance panel bursts and the built-in fragrance molecules are scented outside the LCD module.

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

The LCD module according to an embodiment of the present invention for solving the above problems may include a glass panel disposed on the front side and having a button unit inlet groove, and a liquid crystal panel provided and displayed on the rear side of the glass panel.

In addition, a button unit protruding on the front side is provided in the button unit inlet groove, and includes a button panel provided on the rear side of the glass panel, the liquid crystal panel and the button panel, and a frame coupled to the glass panel is additionally configured. , A fitting groove is formed horizontally at the upper end of the liquid crystal panel, and the frame has a rear frame with an open front and a lower end and a frame entrance groove into which the rear frame is inserted in the center to be formed at the edge of the rear frame. It is composed of a sash frame that can be, and the rear frame is provided at the top, and a fitting protrusion formed horizontally in a shape corresponding to the fitting groove, and provided on the inner front surface of the rear frame, and has a curved shape along the front. And, when the button panel is provided as the rear frame, a contact rail that is in close contact with the rear side of the button panel and presses the button panel toward the front side, and is formed along the upper end and both ends of the rear frame, and the fitting protrusion at the inner upper end Is composed of side protrusions, and the sash frame has a shape corresponding to the edge of the rear frame, and the front and rear surfaces are formed to protrude along the inner side in a horizontal direction, and are formed horizontally through the center of the sash frame. Consisting of a frame entry groove provided with the rear frame inside and a finishing member provided at the lower end of the rear frame without the side protrusions, the liquid crystal panel slides from the lower side to the upper side along the inside of the side protrusions Is in close contact with the inner upper end of the side protrusion, and the fitting protrusion is inserted into and fixed to the inner side of the fitting groove, and the button unit is inserted into the inner side of the button unit entry groove so that the front surface of the button panel is The glass panel is intimately coupled to the rear surface, and the glass panel in close contact with the button panel is drawn in from the lower side to the upper side along the inner side of the side protrusion so that the upper and both ends are in close contact with the inner upper end of the side protrusion, and the rear surface of the button panel is It is in close contact with the curved front surface of the contact rail and in close contact with the rear surface of the glass panel, and the sash frame includes the glass panel, the liquid crystal panel, and the button panel. When embedded in the rear frame, the rear frame is inserted into the frame inlet groove, a finishing member is provided at the bottom of the rear frame on which the side protrusion is not formed, and the protruding front and rear surfaces of the sash frame are provided with the glass panel. The gap between the rear frames is closed.

According to an embodiment of the present invention, manufacturing and assembly are easy due to a simple coupling structure between components constituting an LCD module, and a separate coupling member such as a double-sided tape is not required, thereby reducing production costs.

In addition, it minimizes the inflow of foreign substances between the glass panel and the liquid crystal panel during the bonding process, improves the bonding force by vacuuming the inside of the LCD module through mechanical bonding without a vacuum chamber, and prevents foreign substances from floating inside the LCD module. It has the effect that can be done.

In addition, coupling between the edges of each component can be improved, and a more improved coupling structure can be provided by performing the role of guiding the coupling position through configurations such as a tight rail, fitting groove, and fitting protrusion. It has an effect.

In addition, when the user touches the glass panel, the scent capsule of the built-in scent scent panel bursts, and the built-in scent molecules are scented out of the LCD module so that scent can be scented without additional power, and has the effect of providing a scent to the user.

1 is an exploded perspective view showing an embodiment of an LCD module according to the present invention.
2 is an exploded perspective view showing another embodiment of the LCD module according to the present invention.
3 shows the combined appearance of the LCD module according to the present invention.
FIG. 4 is a cross-sectional view taken along AA of FIG. 3.
4A is an enlarged view of a portion a of FIG. 4.
4B is an enlarged view of part b of FIG. 4.
4C is an enlarged view of a portion c of FIG. 4.
Figure 5 shows the appearance of another embodiment of the LCD module according to the present invention.
6 shows an example of the retracting of the smell diffusion unit according to the present invention.
6A is an enlarged view of part d of FIG. 6.
7 is a cross-sectional view taken along BB of FIG. 5.
8 is an enlarged view of part e of FIG. 7.

Hereinafter, various embodiments will be described in more detail with reference to the accompanying drawings. The embodiments described in this specification may be variously modified. Certain embodiments may be depicted in the drawings and described in detail in the detailed description. However, specific embodiments disclosed in the accompanying drawings are only intended to facilitate understanding of various embodiments. Therefore, the technical idea is not limited by the specific embodiments disclosed in the accompanying drawings, and it is to be understood as including all equivalents or substitutes included in the spirit and scope of the invention.

Terms including ordinal numbers such as first and second may be used to describe various elements, but these elements are not limited by the above-described terms. The above-described terms are used only for the purpose of distinguishing one component from other components.

In the present specification, terms such as "comprises" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, but one or more other features. It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance. When a component is referred to as being "connected" or "connected" to another component, it is understood that it may be directly connected or connected to the other component, but other components may exist in the middle. Should be. On the other hand, when a component is referred to as being "directly connected" or "directly connected" to another component, it should be understood that there is no other component in the middle.

Meanwhile, a "module" or "unit" for a component used in the present specification performs at least one function or operation. In addition, the "module" or "unit" may perform a function or operation by hardware, software, or a combination of hardware and software. In addition, a plurality of "modules" or a plurality of "units" excluding "module" or "unit" to be performed in specific hardware or performed by at least one processor may be integrated into at least one module. Singular expressions include plural expressions unless the context clearly indicates otherwise.

In addition, in describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be abbreviated or omitted.

1 is an exploded perspective view showing an embodiment of an LCD module according to the present invention, Figure 2 is an exploded perspective view showing another embodiment of the LCD module according to the present invention, and Figure 3 is an LCD according to the present invention. It shows the combined appearance of the module, Figure 4 is an AA cross-sectional view of Figure 3, Figure 4a is a partial enlarged view of Figure 4 a, Figure 4b is a partial enlarged view of b of Figure 4, FIG. 4C is a partially enlarged view c of FIG. 4, and FIG. 5 shows the appearance of another embodiment of the LCD module according to the present invention, and FIG. 6 shows an example of retracting of the smell diffusion unit according to the present invention, and FIG. 6A FIG. 6 shows a partial enlarged view d of FIG. 6, FIG. 7 shows a sectional view taken along BB of FIG. 5, and FIG. 8 shows an enlarged view e of FIG. 7.

The LCD module 1 according to the present invention is composed of a glass panel 100, a liquid crystal panel 200, a button panel 300, and a frame 400.

In the glass panel 100, light irradiated from the liquid crystal panel 200 provided at the rear is transmitted and displayed to the user, and the user does not directly touch the liquid crystal panel 200, and the liquid crystal panel 200 is It is to be able to recognize the touch of.

The glass panel 100 has a shape corresponding to the front surface of the LCD module 1, and is formed through the button unit inlet groove 110 in the horizontal direction so that it can be coupled with the button unit 310 of the button panel 300 described later. ) Is formed.

In addition, the glass panel 100 is most preferably made of Gorilla glass, but is not limited thereto, and is coated in black on the rear surface to prevent the internal structure of the frame 400 from being viewed to the outside.

At this time, the logo is back-coated on the lower rear surface of the glass panel 100 to prevent the logo from being erased or scratching even if the outside and the glass panel 100 are rubbed.

The liquid crystal panel 200 receives power from an LCD cell and irradiates light out of the glass panel 100 to provide a display to a user located in the front, and may be manipulated by a user's touch pressing the glass panel 100. .

The liquid crystal panel 200 has a shape corresponding to the top of the rear surface of the glass panel 100, but is formed smaller than the rear shape, so that when combined with the glass panel 100, the button panel 300, and the frame 400, the glass panel ( 100) to be in close contact with the back of the frame 400 to be embedded.

The upper end of the liquid crystal panel 200 is horizontally depressed in a position and shape corresponding to the fitting protrusion 411 at the upper end so that it can be fitted with the fitting protrusion 411 described later, and the liquid crystal panel 200 is inside the frame 400. During this insertion, the fitting groove 210 is caught by the fitting protrusion 411 so that it can be coupled and fixed to the frame 400.

The button panel 300 allows the user to manipulate the LCD module 1 by pressing the button unit 310 in addition to the method of directly touching the glass panel 100. The glass panel together with the liquid crystal panel 200 ( Doedoe provided on the back of 100), so that it is provided on the lower side of the liquid crystal panel 200.

The button panel 300 is made of a material having elasticity, and the button unit 310 is horizontally protruded on the front side so that the button unit 310 is inserted into the button unit inlet groove 110 to be coupled. At this time, the button unit 310 is formed to correspond to the inner shape of the button unit inlet groove 110 so that the button unit 310 can be fitted into the button unit inlet groove 110, and the glass panel 100 It is formed larger than the thickness of the glass panel 100 so that the user can manipulate the button unit 310 protruding toward the front side.

The lower surface of the liquid crystal panel 200 and the upper surface of the button panel 300 are in close contact with each other when the frame 400 is embedded, and the shape of the liquid crystal panel 200 and the button panel 300 is similar to that of the glass panel 100. Correspondingly, the user presses the button unit 310 to the side where the button unit inlet groove 110 is formed so that the LCD module 1 can be operated, and the glass panel 100 without the button unit inlet groove 110 is provided. On the upper side of ), a user can manipulate the liquid crystal panel 200 by touching the glass panel 100 and see a screen displayed from the liquid crystal panel 200 at the same time.

The frame 400 has a column shape with an open front surface, and the inner shape is recessed into a shape corresponding to the glass panel 100, so that the glass panel 100, the liquid crystal panel 200, and the button panel 300 are not shown in the drawings. The illustrated circuit board, wires, etc. can be incorporated together.

This frame 400 has a rear frame 410 having a column shape with an open front and a lower end, and a shape corresponding to the edge of the rear frame 410, and the front and rear surfaces of the rear frame 410 and the glass panel ( It consists of a sash frame 420 that closes the gap between 100).

First, in the case of the rear frame 410, a fitting protrusion 411 protruding in the horizontal direction is provided at a position where the fitting groove 210 of the liquid crystal panel 200 is provided on the upper inner surface of the liquid crystal panel 200. (400) When provided on the inner upper side, the fitting groove 210 is fitted and coupled to the fitting protrusion 411.

On the other hand, the button panel 300 is made of a rubber shape, there is a fear of falling when the user is pressed. In this case, since the button unit 310 is inserted into the glass panel 100 and the rear frame 410, it may be inconvenient for a user to operate.

Accordingly, a contact rail 412 bent and protruded toward the front side is provided at a position in the rear frame 410 where the button panel 300 is provided.

The contact rails 412 may be provided as a pair on both sides of the rear frame 410 as shown in FIG. 2, and the front surface may be curved so as to be in close contact with the rear side of the button panel 300.

At this time, the contact rail 412 is formed of a material having strength and serves to press the rear surface of the button panel 300 made of a flexible material to push it toward the front side, and the bending of the contact rail 412 When the button panel 300 is in close contact with the front surface to improve the bonding force, and when the button panel 300 is slide-coupled to the rear frame 410 in a state in which the button panel 300 is coupled to the glass panel 100, the button panel 300 is placed on the rear surface along the contact rail 412. This allows it to be coupled to the rear frame 410 in close contact.

In addition, the contact rail 412 protrudes to the top so that the button panel 300 is continuously pushed toward the glass panel 100 so that the button unit 310 can always protrude outside the button unit inlet groove 110. And, even if the user pressurizes, it serves to maintain a state in close contact with the back of the glass panel 100.

At this time, the degree of protrusion of the adhesion rail 412 is formed by a difference in thickness between the button panel 300 and the liquid crystal panel 200, so that the button provided inside the rear frame 410 excluding the button unit 310 as shown in FIGS. 4 and 4B The sum of the thickness of the panel 300 and the thickness of the adhesion rail 412 corresponds to the thickness of the liquid crystal panel 200.

The side protrusion 413 prevents the glass panel 100, the liquid crystal panel 200, and the button panel 300, which are built by protruding from the front side along the edge of the rear frame 410, from being exposed to the outside, and the button panel ( When combined with the glass panel 100 combined with the 300), the slide is inserted into the open lower side of the side protrusion 413, and when combined, the slide direction may be guided.

These side protrusions are formed along the edge of the rear frame 410, but are not formed on the lower side of the rear frame 410, so as described above, the side protrusions 413 are in close contact with the inner surface of the glass panel 100 to slide Make it moveable.

In addition, the above-described fitting protrusion 411 is provided on the inner surface of the side protrusion 413 located on the upper side of the rear frame 410 and slides from the lower side to the upper side along the side protrusion 413. The fitting protrusion 411 of the fitting groove 210 is in close contact with the inner upper end of the side protrusion 413 and at the same time, the fitting protrusion 411 is inserted into the fitting groove 210 to be coupled and fixed.

Accordingly, a method of combining the glass panel 100, the liquid crystal panel 200, and the button panel 300 and the rear frame 410 is as follows.

First, the liquid crystal panel 200 is first inserted into the lower end of the rear frame 410 in which the side protrusions 413 are not formed. Accordingly, the liquid crystal panel 200 built in the rear frame 410 slides along the inner side of the side protrusion 413 so that the fitting protrusion 411 of the rear frame 410 is inserted into the fitting groove 210 and thus the rear frame Combined with 410 (see Fig. 4A).

After that, the button unit 310 is inserted into the button unit inlet groove 110 so that the glass panel 100 and the button panel 300 are coupled, and the rear frame 410 in a state in which the glass panel 100 and the button panel 300 are combined. ) Is slide-coupled to the lower side of the liquid crystal panel 200 in the same manner as the liquid crystal panel 200.

At this time, since the top of the glass panel 100 slides while being in close contact with the upper surface of the liquid crystal panel 200 inserted first, the rear surface of the glass panel 100 and the front surface of the liquid crystal panel 200 are in close contact with each other. When air is combined, it is discharged to the outside, and the liquid crystal panel 200 is in close contact with the back of the glass panel 100, so that the glass panel 100 and the liquid crystal panel 200 are mechanically combined without a separate vacuum chamber. It is possible to prevent the occurrence of air gaps between.

Accordingly, it is possible to solve the problems that may occur through the above-described air gap, and the rear frame 410 and the glass panel 100 can be coupled to each other through slide coupling, so that the coupling method is simple.

The sash frame 420 closes the gap between the glass panel 100 and the rear frame 410 coupled to the open front of the rear frame 410 to prevent the glass panel 100 from pouring into the front side, and the LCD module It is provided at the edge of (1) and has a function of preventing the edge of the rear frame 410 from being damaged due to external impact.

The sash frame 420 is provided to correspond to the shape of the edge of the rear frame 410, and a frame entry groove 421 is formed inside to allow the rear frame 410 to be provided.

On the other hand, due to the open bottom of the glass panel 100 and the liquid crystal panel 200 described above, the slide may be moved, but the open side is formed with a hollow, so that the bottom of the glass panel 100 is inside the rear frame 410 by an external force. There is a concern to go into.

Accordingly, a closing member 422 is provided at the inner lower end of the sash frame 420.

The finishing member 422 may be made of the same material as the rear frame 410, but may also be made of a material having a shock absorbing function capable of absorbing an external shock.

Such a closing member 422 is provided at the lower end of the body of the sash frame 420 in which the frame entry groove 421 is formed as shown in FIG. 4C, and when the sash frame 420 and the rear frame 410 are combined, the closing member 422 ) Is provided at the lower end of the rear frame 410 on which the side protrusions 413 are not formed.

The front and rear surfaces of the sash frame 420 protrude horizontally toward the side where the frame entry groove 421 is located to close the gap between the glass panel 100 and the rear frame 410, and to the outside, the glass panel 100 or It is possible to prevent the rear frame 410 from being separated from the sash frame 420.

Therefore, through the above-described configuration, the LCD module 1 according to the present invention is easy to manufacture and assemble due to a simple coupling structure between each component, and a separate coupling member such as double-sided tape is unnecessary, thereby reducing production cost, etc. It is possible to minimize the introduction of foreign substances between the glass panel 100 and the liquid crystal panel 200 during the bonding process, and improve the bonding force by vacuuming the inside of the LCD module 1 through mechanical bonding without a vacuum chamber, It is possible to prevent foreign matters from floating inside the LCD module 1.

On the other hand, in the present invention, a fragrance diffuser 500 capable of providing a fragrance to the user may be additionally provided. This another embodiment will be described with reference to FIGS. 5 to 8.

The scent diffusing unit 500 according to the present invention includes a scent diffusing pad 510 and a scent diffusing frame 520.

The scent pad 510 is provided with a plurality of fine fragrance capsules 511 and is provided in a gap between the glass panel 100 and the liquid crystal panel 200.

Therefore, when the user presses the glass panel 100, the liquid crystal panel 200 recognizes the user's touch and at the same time, the fragrance capsule 511 of the scent scent pad 510 bursts, and the scent molecules of the scent capsule 511 (510) is scented outside, and these fragrance molecules are provided on the side of the rear frame 410 as shown in FIG. 6A to communicate with the inside of the rear frame 410, and are connected to the discharge hole 424 formed in the sash frame 420 The fragrance molecules move out of the discharge hole 424 through the discharge path 414, and the user can smell the scent scented from the LCD module 1 at the same time as the touch of the glass panel 100.

In the case of the existing display technology capable of scent fragrance, a tank containing the fragrance fragrance liquid is provided inside, and the user's touch is electrically sensed and the fragrance fragrance liquid in the tank is discharged to the outside through a nozzle. In this case, the tank containing the fragrance fragrance liquid is displayed. If a burst or leak occurs inside, the internal configuration of the display may be contaminated or malfunction, and since a separate configuration such as a nozzle or the like is required for scent and power is also required, there is a problem such as electricity consumption.

However, in the present invention, the scent scent pad 510 having a plurality of scent capsules 511 bursting from a minute impact can be embedded, so that the scent can be scented simultaneously with the user's touch. In this process, separate power is not required, and It has various advantages that it can obtain a scent scent effect and does not affect the internal composition.

The scent diffusing pad 510 is formed equal to the rear area of the liquid crystal panel 200, so even if the user presses various parts of the liquid crystal panel 200, the scent diffusing pad 510 touches the liquid crystal panel 200 at all times. It has a scented effect.

In addition, the scent diffusing pad 510 is not permanent, and a scent diffusing frame 520 is provided on the top of the scent diffusing pad 510 so that the scent diffusing pad 510 can be moved in and out of the scent diffusing pad 510 so that it can be replaced with various scents according to the user's preference. Is equipped.

The scent diffusing frame 520 is provided on the upper end of the scent diffusing pad 510 and may be fitted and coupled to a groove provided at the upper end of the rear frame 410. At this time, when the aroma diffusion frame 520 is coupled, the top surface of the rear frame 410 and the top surface of the aroma diffusion frame 520 are positioned on the same horizontal line.

A locking hole 521 is formed on the upper surface of the scent diffusing frame 520 so that the user can easily enter and exit the scent diffusing frame 520, and the locking hole 521 is provided in a curved shape at the top of the sash frame 420 ) Is provided on the inside of the through hole 423 formed in).

That is, as shown in FIG. 8, the upper end of the locking hole 521 does not protrude out of the sash frame 420, so that the locking hole 521 protrudes to the outside of the LCD module 1 to prevent the user from having discomfort. , When the user desires, the user can insert a finger into the through hole 423 and hold the locking hole 521 to take out the scent diffusing frame 520 and replace the scent diffusing pad 510.

Therefore, the user can simply replace the scent scent pad 510, so that the scent scent power is reduced, that is, the scent capsule 511 is almost exhausted, or the scent scent pad 510 having a desired scent can be easily replaced. Can be changed.

Therefore, in the case of the LCD module 1 in which the discharge path 414, the through hole 423, the discharge hole 424 and the scent diffuser 500 are formed, a separate electrical circuit and power are not required, and the fragrance capsule The scent capsules 511 are also not burst when the user does not use the LCD module 1, and the scent pads ( 510) can also be prevented from decreasing its lifespan.

In the above, preferred embodiments of the present invention have been illustrated and described, but the present invention is not limited to the specific embodiments described above, and is generally used in the technical field to which the present invention belongs without departing from the gist of the present invention claimed in the claims. Various modifications are possible by those skilled in the art of course, and these modifications should not be individually understood from the technical idea or perspective of the present invention.

1. LCD module
100. Glass Panel
110. Button unit entry groove
200. Liquid crystal panel
210. Fitting groove
300. Button Panel
310. Button unit
400. Frame
410. Rear frame
411. Fitting protrusion
412. Adhesion rail
413. Lateral projection
420. Sash Frame
421. Frame entry groove
422. Finishing member

Claims (2)

A glass panel disposed on the front side and having a button unit inlet groove;
A liquid crystal panel provided and displayed on a rear surface of the glass panel;
A button panel having a button unit protruding on the front surface of the button unit inlet groove and provided at the rear of the glass panel; And
Consists of; a frame in which the liquid crystal panel and the button panel are embedded and coupled to the glass panel,
A fitting groove is formed at the upper end of the liquid crystal panel, which is recessed in the horizontal direction,
The frame includes a rear frame with open front and lower ends; And a sash frame in which the frame inlet groove into which the rear frame is inserted is formed in the center to be formed at the edge of the rear frame,
The rear frame,
A fitting protrusion provided at an upper end and protruding in a horizontal direction in a shape corresponding to the fitting groove;
A contact rail provided on the inner front side of the rear frame, having a curved shape along the front side, and in close contact with the rear side of the button panel when the button panel is provided as the rear frame to press the button panel toward the front side; And
Consists of; a side protrusion formed along the upper end and both side ends of the rear frame, and having the fitting protrusion formed at the inner upper end,
The sash frame has a shape corresponding to the edge of the rear frame, and the front and rear surfaces are formed to protrude along the inside in a horizontal direction,
A frame inlet groove formed through the center of the sash frame in a horizontal direction and having the rear frame therein; And
Consists of; a closing member provided at the lower end of the rear frame where the side protrusion is not formed,
The liquid crystal panel slides from the lower side to the upper side along the inner side of the side protrusion and is in close contact with the inner upper end of the side protrusion, and the fitting protrusion is inserted into and fixed to the inner side of the fitting groove,
The button unit is inserted into the inside of the button unit entry groove so that the front surface of the button panel is closely coupled to the rear surface of the glass panel,
The glass panel in close contact with the button panel is introduced from the lower side to the upper side along the inner side of the side protrusion so that the upper end and both ends are in close contact with the inner upper end of the side protrusion,
The rear surface of the button panel is in close contact with the curved front surface of the contact rail and in close contact with the rear surface of the glass panel,
In the sash frame, when the glass panel, the liquid crystal panel, and the button panel are embedded in the rear frame, the rear frame is inserted into the frame entry groove, and a closing member is provided at the bottom of the rear frame where the side protrusion is not formed. The LCD module, wherein the protruding front and rear surfaces of the sash frame close a gap between the glass panel and the rear frame.
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