KR20160049105A - Liquid crystal display device module - Google Patents

Abstract

The present invention relates to a liquid crystal display device module capable of preventing light leakage generated in an interval area between a touch panel and a front surface cover. The liquid crystal display device comprises: a cover bottom including a cover support part bent from a lower surface and a lateral surface toward the outside of the lateral surface; a back light unit included in the lower surface of the cover bottom; a guide panel positioned along an edge of the upper part of the lower surface of the cover bottom; a liquid crystal panel placed on a placing end protruding to the interior of the guide panel; a light blocking adhesion means extended from the upper surface of the guide panel to the cover support part; and a touch panel positioned on the upper part of the liquid crystal panel to be fixedly placed on the light block adhesion means positioned on the upper surface of the guide panel.

Description

[0001] The present invention relates to a liquid crystal display device module,

The present invention relates to a liquid crystal display (LCD) module, and more particularly, to a liquid crystal display (LCD) module having a touch panel capable of touch recognition, excellent assembling performance and suppressing light leakage.

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

Since the liquid crystal panel is a non-light emitting device, a separate light source is required for displaying the difference in transmittance as an image. To this end, a backlight unit having a light source is further provided on the back surface of the liquid crystal panel, And a cover is provided to form a liquid crystal display module. In this case, the light source of the backlight unit may be a cold cathode fluorescent lamp (CCFL), an external electrode fluorescent lamp, a light emitting diode (LED) .

On the other hand, the liquid crystal display device module having such a configuration is used in various applications such as a TV, a projector, a mobile phone, and a PDA.

However, various applications such as TVs, projectors, mobile phones, PDAs, etc. These application products are basically equipped with a touch function in order to operate by touching the screen recently. Accordingly, in order to enable the touch recognition of the liquid crystal display module, a touch panel for additional touch recognition is provided on the liquid crystal panel.

1A and 1B are cross-sectional views, respectively, of a liquid crystal display (LCD) module with a conventional touch panel, and show a state before and after a liquid crystal panel and a backlight unit having a touch panel are bonded.

As shown in the drawing, the liquid crystal display module 1 is largely composed of three parts Pt1, Pt2 and Pt3 for ease of fastening. That is, the liquid crystal panel 10 and the touch panel 80 attached to the upper portion thereof are referred to as a first portion Pt1, and the cover bottom 50 and the reflector 22, the light guide plate 23, and the light guide plate 23 A plurality of optical sheets 24 positioned on the light guide plate 23 and a liquid crystal panel 10 and a touch panel 80 are seated on a side surface of the liquid crystal panel 10, A second portion Pt2 including the guide panel 30 and a third portion Pt3 of the front cover 90. [

At this time, in the liquid crystal display device module 1 having the touch panel 80 having such a configuration, the front cover 90 is manufactured to have a design suitable for each application product for various applications such as a TV, a mobile phone, and a PDA do.

Accordingly, the front cover 90 may be mounted at the time of assembling the liquid crystal display module 1 itself, or may be mounted separately in a finished product manufacturer that completes the liquid crystal display device module 1 into a TV, a mobile phone, or a PDA It is possible.

In the conventional liquid crystal display device module 1 having the touch panel 80, after the first part Pt1 and the second part Pt2 are fastened by the constitutional characteristic, And the front cover 90 is fastened to one component of the portion Pt1.

At this time, a first double-sided tape 91 is interposed between the cover bottom 50 and the guide panel 30 to suppress the flow of each component in the second portion Pt2, and the liquid crystal panel 10 A second double-sided tape 92 is disposed on a top surface of a portion protruding inwardly of the guide panel 30, that is, a seating end 31 which is a portion overlapping the liquid crystal panel 10, A third double-sided tape 93 is interposed on the upper surface of the panel 30 in correspondence with the portion where the touch panel 80 is seated.

A fourth double-sided tape 94 is also interposed between the cover bottom 50, which is a component of the second portion Pt2, and the front cover 90. [

Therefore, the guide panel 30 is fixed by the first double-sided tape 91 on the cover bottom 50 in the second portion Pt2, so that the liquid crystal panel 10 and the touch The panel 80 is restrained from flowing by the second and third double-sided tapes 92 and 93. [

In the conventional liquid crystal display module 1 having the touch panel, a predetermined spacing region is generated between the touch panel 80 and the front cover 90 due to tightening tolerance or the like. A part of the light incident from the light guide plate 23 to the inside of the light guide plate 23 is internally reflected to a space between the touch panel 80 and the front cover 90 to emit light.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a liquid crystal display (LCD) module having a touch panel capable of suppressing light leakage generated in a space between a liquid crystal panel and a front cover.

According to an aspect of the present invention, there is provided a liquid crystal display (LCD) module comprising: a cover bottom having a bottom surface and a side surface and a cover support portion bent outwardly from the side surface; A backlight unit provided on a bottom surface of the cover bottom; A guide panel located along the edge of the bottom of the cover bottom; A liquid crystal panel mounted on a seating end protruding into the guide panel; A light blocking adhesive means extending from an upper surface of the guide panel to the cover supporting portion; And a touch panel which is positioned above the liquid crystal panel and is mounted on the light blocking adhesive means located on the upper surface of the guide panel.

At this time, the light shielding and bonding means constitutes a lower double-sided tape, a light shielding film and an upper double-sided tape sequentially stacked corresponding to the upper surface of the guide panel, and the light shielding means extends to the cover supporting portion, Wherein the light shielding adhesive means comprises a light shielding film and one double-sided tape formed on the upper or lower portion of the light shielding film in correspondence with the upper surface of the guide panel, And is constituted of a pressure-sensitive adhesive layer.

The light blocking film is made of PET (polyethylene terephthalate) material.

A second adhesive means is provided between the bottom surface of the cover bottom and the bottom surface of the guide panel, and between the top surface of the guide panel and the bottom surface of the liquid crystal panel. Is provided with a third adhesive means which overlaps the light shielding and bonding means. At this time, it is preferable that the first, second and third adhesive means are double-sided tape.

And a front cover having an opening for exposing a front surface of the touch panel corresponding to the cover supporting portion, and the front cover and the touch panel are spaced apart from each other. In this case, A fourth adhesive means is provided.

As described above, according to the present invention, even though the touch panel and the front cover are spaced apart from each other by a predetermined distance, the light blocking adhesive means is provided to suppress the light leakage generated through the space between the touch panel and the front cover .

FIGS. 1A and 1B are cross-sectional views of a portion of a conventional LCD panel having a touch panel, in which a liquid crystal panel having a touch panel and a backlight unit are shown before and after being bonded, respectively.
FIG. 2 is a cross-sectional view of a portion of a liquid crystal display device module according to an embodiment of the present invention where a light source is not formed and a side is cut. FIG.
3 is a cross-sectional view of a portion of a liquid crystal display module according to an exemplary embodiment of the present invention where a light source is formed and a side thereof is cut.
FIG. 4 is a sectional view of the first, second, and third portions of the portion shown in FIG. 3; FIG.
5 is a cross-sectional view of a light shielding and bonding means provided in a liquid crystal display module having a touch panel according to an embodiment of the present invention.
6 is a view showing another embodiment of a light shielding and bonding means provided in a liquid crystal display module provided with a touch panel according to an embodiment of the present invention.

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

FIG. 2 is a cross-sectional view of a portion of a liquid crystal display device module according to an exemplary embodiment of the present invention where a light source is not formed, and FIG. 3 is a sectional view of a light source according to an exemplary embodiment of the present invention. 4 is a cross-sectional view of the first, second, and third portions of the portion shown in Fig. 3; Fig.

A liquid crystal display module 101 according to an exemplary embodiment of the present invention includes a first portion Pt1 including a liquid crystal panel 110 and a touch panel 180 bonded thereto, And a cover part 150 including a guide panel 130 for modularizing the liquid crystal panel 110 and the backlight unit 120 and a cover part 150 for covering the backlight unit 120. [ Pt2 and optionally a third portion Pt3 of the front cover.

The liquid crystal panel 110 constituting the first part Pt1 plays a key role in image display. The liquid crystal panel 110 includes a liquid crystal layer (not shown) And includes a first substrate 112 and a second substrate 114 bonded together.

Although not shown in the figure, a plurality of gate lines and data lines cross each other and pixels are defined on the inner surface of the first substrate 112, which is usually called a lower substrate or an array substrate. A thin film transistor (TFT) is provided in the vicinity of the intersection. One electrode of each thin film transistor is connected to the pixel electrode formed in each pixel in a one-to-one correspondence.

On the inner surface of the second substrate 114, which is referred to as an upper substrate or a color filter substrate, a plurality of color filters including red (R), green (G), and blue A black matrix for covering the gate lines, the data lines, the thin film transistors, and the like is provided along the filter layers and the color filter patterns of the respective colors.

In addition, a common electrode made of a transparent material covering the color filter layer and the black matrix is provided.

On the other hand, the structure of the liquid crystal panel 110 as described above is shown by way of example, and can be variously modified. For example, the common electrode provided on the second substrate 114 may be spaced apart from the pixel electrode on the first substrate 112, and the color filter layer may be formed on the first substrate 112 .

On the outer surfaces of the first and second substrates 112 and 114 having various structures, polarizing plates 119a and 119b selectively transmitting only specific light are respectively attached.

Next, at least one edge of the liquid crystal panel 110 having such a configuration is printed (printed) via a connection member (not shown) such as a flexible circuit board or a tape carrier package A circuit board (not shown) is connected to the side surface of the guide panel 130 or the lower portion of the bottom portion 150a of the cover bottom 150 in a modularization process.

When the thin film transistor connected to each gate line is turned on by the on / off signal of the gate driving circuit, the signal voltage of the data driving circuit is applied to the liquid crystal panel 110 through the data line. An electric field is generated between the pixel electrode and the common electrode. Accordingly, the arrangement direction of the liquid crystal molecules in the liquid crystal layer is changed according to the magnitude of the generated electric field, thereby expressing the difference in transmittance.

In addition, the liquid crystal display module 101 according to the embodiment of the present invention is provided with a backlight unit 120 for supplying light to the backside of the liquid crystal panel 110 so that the difference in transmittance of the liquid crystal panel 110 Lt; / RTI >

Next, the touch panel 180, which is another component of the first portion Pt1, is also referred to as a touch screen, and has various structures according to a touch recognition method.

For example, in the case of the capacitive touch type touch panel 180, which is one of the most widely used touch recognition methods, a fringe capacitor formed between a driving electrode and a sensing electrode is used to form between a driving electrode and a sensing electrode The change of the fringe capacitor is sensed to recognize whether or not the touch is made and the coordinates of the touched place.

The capacitor type touch method has a structure in which the driving electrode and the sensing electrode are formed on the same layer on the transparent third substrate or the driving electrode and the sensing electrode are formed on different layers via the insulating layer, It is possible.

 When a specific point on the outer surface of the touch panel 180 is touched, the touch panel 180 of the capacitor type touch system having such a configuration senses a change in the fringe capacitors formed between the driving electrode and the sensing electrode before and after the touch of the user Thereby recognizing whether or not the touch is made and the coordinates of the touched place.

Although not shown in the drawing, the non-display area outside the display area for displaying the image of the third substrate is provided with an X-direction sensing circuit and a Y-direction sensing circuit connected to the driving electrode and the sensing electrode. A touch-sensitive printed circuit board is electrically connected to the sensing circuit and the Y-direction sensing circuit and is connected to the touch panel 180 via a connection member such as a flexible circuit board along one edge of the touch panel 180, And the cover bottom 150a of the cover bottom 150 is appropriately folded to the side of the guide-guide panel 130 or the bottom of the cover bottom 150a.

The liquid crystal panel 110 and the touch panel 180 constituting the first part Pt1 are bonded to each other with an adhesive layer 182 interposed therebetween. And a predetermined width of the rim of the touch panel 180 is exposed to the outside of the liquid crystal panel 110 larger than the liquid crystal panel 110. [ The predetermined width of the edge of the touch panel 180 exposed to the outside of the liquid crystal panel 110 is positioned on the upper surface of the guide panel 130 after the modularization process and adhered and fixed on the guide panel 130.

When the liquid crystal panel 110 is modularized, the other components are bonded together with the touch panel 180 through the adhesive layer 182 before mounting the touch panel 180 on the liquid crystal panel 110 The liquid crystal panel 110 is attached to the upper surface of the liquid crystal panel 110 in a modular state by connecting other components, that is, the backlight unit 120 or the cover bottom 150, The touch panel 180 may be wrinkled at the time of adhering, the air may be introduced to cause bubbles, or a foreign object may be generated during assembly of other components, (182), and thus it is necessary to prevent such defects.

 In addition, the size of the touch panel 180 itself is smaller than that of the module having the backlight unit and the cover bottom 150 mounted on the liquid crystal panel 110, thereby reducing the cost incurred in manufacturing the touch panel 180 .

The backlight unit 120 constituting the second portion Pt2 includes a light source, a white or silver reflection plate 122, a light guide plate 123 mounted on the reflection plate 122, And an optical sheet 124.

At this time, the light source may be any one of a cold cathode fluorescent lamp, an external electrode fluorescent lamp, and a light emitting diode (LED).

At this time, it is preferable that the light source is the LED 171 according to the recent trend of the light weight thinning of the display device. The LED 171 is usually used as a light source of a liquid crystal display device, Form an assembly.

That is, the LED assembly 125 is located at one side of the light guide plate 123 so as to face the light incident surface of the light guide plate 123, and includes a plurality of LEDs 171 and a plurality of LEDs 171 Gt; PCB 172 < / RTI > At this time, the plurality of LEDs 171 include an LED chip (not shown) that emits all the colors of RGB or emits white light, and emits white light toward the front of the light incident surface of the light guide plate 123.

The plurality of LEDs 171 emit light having colors of red (R), green (G) and blue (B), respectively. By turning on the plurality of RGB LEDs 171 at once, white light It can also be implemented.

The LED PCB 172 is an electronic circuit board that prints a wiring pattern (not shown) on an insulating layer such as a resin or a ceramic to enable electrical connection with mounting of various electronic devices. The LED PCB 172 includes an epoxy Series FR4 PCB, flexible printed circuit board (FPCB), and MCPCB.

The light guiding plate 123 through which the light emitted from the plurality of LEDs 171 of the LED assembly 125 is incident is guided by the light guiding plate 123 while the light incident from the LEDs 171 travels through the light guiding plate 123, ) To provide a surface light source to the liquid crystal panel 110. [

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

The reflection plate 122 is disposed on the back surface of the light guide plate 123 and reflects light passing through the back surface of the light guide plate 123 toward the liquid crystal panel 110 to improve the brightness of light. Element.

The plurality of optical sheets 124 disposed on the light guide plate 123 may include at least one diffusion sheet and at least one light collecting sheet and may diffuse or condense light passing through the light guide plate 123, So that a more uniform surface light source is incident on the liquid crystal panel 110. Although it is shown in the drawing that the plurality of optical sheets 124 are provided with two light collecting sheets 124a and 124b having prism mountains arranged in a direction crossing one diffusion sheet 124c, The optical sheet 124 may omit any one of the two light collecting sheets, and may further include one diffusion sheet to form four sheets.

The guide panel 130 may have a frame shape so that a predetermined width of a rim of the liquid crystal panel 110 may be seated. The frame-shaped guide panel 130 may have a rectangular frame shape, And may have an opening corresponding to a part of one side where the light source is located.

The guide panel 130 has a structure in which a portion corresponding to a predetermined width of a rim of the liquid crystal panel 110 supports a side edge of the liquid crystal panel 110 as a step 131, 110 is prevented from flowing after being placed on the guide panel 130.

In the case where the guide panel 130 has an opening with respect to a part of one side, a bent portion hs' shaped as a housing of the light source in the cover bottom 150 is formed at a portion corresponding to the width of the opening. When the liquid crystal display module 101 is completed, the opening on one side of the guide panel 130 is closed.

The cover bottom 150 is positioned below the guide panel 130 and includes a side surface 150b that is vertically bent with respect to the bottom surface 150a so as to surround the outer edge of the guide panel 130. In addition, (Or a rotated 'c' shape) is formed in a portion where the light source (LED assembly 125) is located in the liquid crystal panel 150b at a position where the liquid crystal panel 110 is located, And serves as a housing of the light source (LED assembly 125).

The cover bottom 150 is bent to the opposite side of the portion where the liquid crystal panel 110 is located, that is, the side of the cover bottom 150 that is parallel to the bottom of the cover bottom 150, Another feature is that it is configured to do so.

A portion of the cover bottom 150 bent outward from the side face 150b (hereinafter, referred to as a 'cover supporting portion 150d') is a portion for seating and supporting the front cover 190. At this time, the portion where the side is bent outward may be any portion except for the portion constituting the housing of the cover bottom 150 (hereinafter referred to as a housing portion hs), or may be formed by partially bending .

A portion of the portion bent outwardly of the cover bottom 150 or the side cover 150b is bent to have a width greater than that of the cover supporting portion 150d so that the front cover 190 and the fixing means (not shown) And a bracket (not shown) provided with a screw groove or the like which can be fixed by a screw or the like.

The reflective plate 122 and the light guide plate 123 are positioned on the bottom surface 150a of the cover bottom 150 having such a configuration and the guide panel 130 is disposed along the edge of the bottom surface 150a. And the light source (the LED assembly 125) is positioned correspondingly to the one side of the guide panel 130, more precisely corresponding to the housing portion hb of the cover bottom 150.

At this time, a first double-sided tape 191 is provided as a first adhesive means between the bottom surface of the guide panel 130 and the bottom surface of the cover bottom 150. The first double-sided tape 191 fixes the guide panel 130 on the bottom surface of the cover bottom 150, thereby suppressing the flow of the guide panel 130 in the cover bottom 150.

Next, on the guide panel 130, a second double-faced tape 192 is provided as a second adhesive means. The second double-sided tape 192 is provided corresponding to the seating end 131 of the guide panel 130 on which the liquid crystal panel 110 is mounted. The second double- The liquid crystal panel 110 rests on the guide panel 130, and the liquid crystal panel 110 rests on the guide panel 130.

5, a liquid crystal display (LCD) device having a touch panel according to an embodiment of the present invention is mounted on the guide panel 130 as one of the most characteristic structures of the liquid crystal display device module 101 according to the embodiment of the present invention. Sectional view of the light blocking adhesive means provided on the module, a lower double-sided tape 193a and one end thereof are positioned on the lower double-sided tape 193a, and a black plastic material such as PET ( a light blocking film 193b made of a polyethylene terephthalate material and an upper double-sided tape 193c placed on the light blocking film 193b to overlap with the lower double-sided tape 193a, Is formed. At this time, the upper and lower double-sided tapes 193a and 193c provided on both ends of the light shielding film 193b may be replaced with first and second adhesive layers (not shown), respectively.

This light shielding adhesive means 193 is in a state in which the lower double-sided tape 193a is attached to the upper surface of the guide panel 130 and the upper double-sided tape 193c is adhered to the edge portion of the touch panel 180 State.

At this time, an end of the tape is interposed between the lower and upper double-sided tapes 193a and 193c and has a larger area than the upper and lower tapes 193c and 193a, The other end of the light blocking film 193b is exposed to the cover supporting portion 150d of the cover bottom 150,

The light blocking film 193b positioned on the cover supporting portion 150d of the cover bottom 150 may be attached to the cover supporting portion 150d by a third double- And is attached and fixed on the cover supporting portion 150d of the cover bottom 150. [

A front cover 190 having a rectangular frame shape having an opening for opening the front surface of the touch panel 180 corresponding to the center portion is spaced apart from the end of the touch panel 180 by a predetermined distance, 150b of the cover 150d by a fourth double-sided tape 195 which is a fourth adhesive means provided on the bottom surface of the front cover 190. The second double- And adheres to the surface of the film 193b.

A screw groove (not shown) is provided at a portion of the front cover 190 corresponding to a bracket (not shown) of the cover bottom 150 and fastened to the cover through the bracket (not shown) (Not shown).

The touch panel 180 and the front cover 190 are spaced apart from each other by a predetermined distance in the liquid crystal display module 101 according to the embodiment of the present invention. The light shielding adhesive means 193 extends to the cover supporting portion 150d of the light shielding adhesive 150 so that the space between the touch panel 180 and the front cover 190 is separated from the light shielding adhesive means 193, Shielding film 193b, which is one component of the light-shielding adhesive means 193, and thus, unlike the conventional liquid crystal display module (1 in FIG. 1A) having the touch panel, There is an advantage that the light leakage generated in the spacing region between the panel 180 and the front cover 190 can be originally suppressed.

In the case of the liquid crystal display module 101 having the touch panel 180 according to the embodiment of the present invention, the light including the light blocking film 193b positioned between the touch panel 180 and the front cover 190 In the case of the barrier adhesive means 193, a triple-layer structure, that is, a lower double-sided tape 193a, a light shielding film 193b and an upper double-sided tape 193c is shown as an example.

The light blocking adhesive means 193 does not separate the liquid crystal display module 101 having the touch panel 180 separately from the light shielding adhesive layer 193, The first double-sided tape 191 and the second double-sided tape 192 are received by the cover bottom 150 in the state that the second double-sided tape 192 is attached together with the middle- The guide panel 130 and the first and third double-sided tapes 191 and 194 having the second double-sided tape 192 and the light shielding adhesive means 193 are provided And the LCD panel module 101 having the touch panel 180 is manufactured by using the cover bottom 150. [

However, the light blocking adhesive means 193 of the triple-layer structure attached to the guide panel 130 is not limited to the above-described three-layer structure, but may be variously modified.

FIG. 6 is a view illustrating another embodiment of a light shielding and bonding means included in a liquid crystal display module provided with a touch panel according to an embodiment of the present invention.

As shown in FIG. 6, the light shielding and bonding means 293 is provided with an upper double-sided tape 193c (or a lower double-sided tape) on the black light blocking film 193b, Tape), and an adhesive layer 293b may be provided on the entire lower surface (or the upper surface) thereof.

6, the adhesive layer 293b provided on the entire surface of the light shielding film 193b functions as one double-sided tape. Therefore, when the light shielding adhesive means 293 according to FIG. 6 is provided, The third double-sided tape 194 provided on the upper surface of the cover supporting portion 150d may be omitted or the fourth double-faced tape 195 provided on the lower surface of the front cover 190 may be omitted.

Hereinafter, a method of manufacturing the liquid crystal display module 101 having the touch panel 180 according to the embodiment of the present invention will be briefly described with reference to FIGS. 2, 3, and 4. FIG.

A first double-sided tape 191 having a predetermined width along the edge of the bottom surface of the cover bottom 150 is provided and a third double-sided tape 194 is provided for the cover supporting portion 150d, A second double-sided tape 192 is attached to the seating portion 131 of the liquid crystal panel 110 in the guide panel 130 and a light blocking adhesive of triple-layer structure is applied to the upper surface of the guide panel 130 Means 193 are attached. At this time, when the light blocking adhesive means 193 of the triple-layer structure has the structure according to FIG. 6, any one of the third and fourth double-sided tapes 194 and 195 is omitted.

As shown in the figure, in a state where first and second polarizers 119a and 119b are attached to both sides of a liquid crystal panel 110 having a thin film transistor, a switching element, a pixel electrode, a color filter layer, and a liquid crystal layer, The touch panel 180 having the driving electrode and the sensing electrode with respect to the polarizing plate 119b is positioned so as to face each other and the adhesive layer 182 is restored to bond the two panels 110 and 180 to each other, The first portion Pt1 of the liquid crystal display module 101 is completed.

Next, the light source is positioned corresponding to the inside of the housing portion of the cover bottom 150, and the reflection plate 122, the light guide plate 123, and the optical sheet 124 are positioned on the inner upper side of the bottom surface of the cover bottom 150 . At this time, the light source (LED assembly 125) is positioned on one side of the light guide plate 123.

Then, the guide panel 130 is positioned along the edge of the bottom surface of the cover bottom 150 to complete the second portion Pt2.

At this time, in the second portion Pt2, the guide panel 130 is fixed to the cover bottom 150a by the first double-sided tape 191 provided along the upper edge of the bottom surface 150a of the cover bottom 150, 150 to the bottom surface 150a.

The light blocking film 193b of the light blocking and bonding means 193 extends to the cover supporting portion 150d of the cover bottom 150. [ In this case, the light blocking film 193b is fixed by the third double-sided tape 194 provided on the cover supporting portion 150d of the cover bottom 150, or the upper or lower double- 6) 293a and the adhesive layer 293b (see FIG. 6) are directly attached to the cover supporting portion 150d by the adhesive layer 293b (see FIG. 6).

Next, the first portion Pt1 is fastened to the second portion Pt2. That is, the edge portion of the liquid crystal panel 110 is positioned corresponding to the seating end 131 of the guide panel 130 of the second portion Pt2, And the edge portion of the touch panel 180 exposed to the outside of the panel 110 is positioned.

At this time, a second double-sided tape 192 is provided on the seating end 131 of the guide panel 130 and a light blocking adhesive means 193 is provided on the upper surface of the guide panel 130, The touch panel 180 is fixed by the second double-sided tape 192 at the seating end 131 of the guide panel 130 and the touch panel 180 is fixed to the guide panel 130 by the light- As shown in FIG.

Then, in this state, the front cover 190 is positioned with respect to the cover supporting portion 150d of the cover bottom 150, and a bracket (not shown) provided in the front cover 190 and the cover bottom 150 (Not shown) to fix the liquid crystal display module 101 having the touch panel 180 according to the embodiment of the present invention.

At this time, the lower surface of the front cover 190 is brought into contact with the light shielding film 193b provided on the cover supporting portion 150d. In this case, when the fourth double-sided tape 195 is provided under the front cover 190 or when the light blocking adhesive means (293 of FIG. 6) shown in FIG. 6 is used, the light blocking film The front cover 190 and the cover support 150d of the cover bottom 150 are further fixed by the adhesive layer 293b formed on the light blocking film 193b of FIG. And is stably fixed between the front cover 190 and the cover supporting portion 150d.

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

101: LCD module
110: liquid crystal panel
112: first substrate
114: second substrate
119a and 119b: first and second polarizing plates
120: Backlight unit
122: reflector
123: light guide plate
124: Optical sheet
125: reflector
125: LED assembly
130: Guide panel
131: seat (of the guide panel)
150: cover bottom (bottom surface: 150a, side surface: 150b, upper surface: 150c, cover supporting portion: 150d)
171: LED
172: LED PCB
180: Touch panel
182: Adhesive layer
190: Front cover
191: first double-sided tape
192: second double-sided tape
193: Light blocking adhesive means (lower double-sided tape: 193a, light blocking film: 193b, upper double-sided tape: 193c)

Claims (8)

A cover bottom having a bottom surface, a side surface, and a cover support portion bent outwardly from the side surface;
A backlight unit provided on a bottom surface of the cover bottom;
A guide panel located along the edge of the bottom of the cover bottom;
A liquid crystal panel mounted on a seating end protruding into the guide panel;
A light blocking adhesive means extending from an upper surface of the guide panel to the cover supporting portion;
A touch panel mounted on the liquid crystal panel and seated on the light blocking and bonding means located on the upper surface of the guide panel,
And a liquid crystal display module.
The method according to claim 1,
Wherein the light shielding and bonding means comprises a lower double-sided tape, a light shielding film and an upper double-sided tape sequentially stacked on the upper surface of the guide panel, and the light shielding means extends to the cover supporting portion. module.
The method according to claim 1,
Wherein the light shielding and bonding means comprises a light shielding film and one double-sided tape formed on the upper or lower portion of the light shielding film in correspondence with the upper surface of the guide panel, And the adhesive layer is provided on the first substrate.
The method according to claim 2 or 4,
Wherein the light blocking film is made of PET (polyethylene terephthalate) material.
The method according to claim 1,
A first adhesive means is provided between a bottom surface of the cover bottom and a lower surface of the guide panel,
A second adhesive means is provided between the upper surface of the seating end of the guide panel and the lower surface of the liquid crystal panel,
And a third adhesive means is provided on the upper surface of the cover supporting portion so as to overlap with the light blocking adhesive means.
6. The method of claim 5,
Wherein the first, second and third adhesive means are double-sided tape.
The method according to claim 1,
And a front cover having an opening for exposing a front surface of the touch panel corresponding to the cover supporting portion, wherein the front cover and the touch panel are spaced apart from each other.
8. The method of claim 7,
And a fourth adhesive means is provided between the front cover and the cover support.

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