KR20120044194A - Liquid crystal display device module - Google Patents

Abstract

PURPOSE: A liquid crystal display device module is provided to directly contact a cover bottom with a metal mobile phone case without a conductive tape. CONSTITUTION: A cover bottom forms a girth on a side of a support main. The cover bottom includes a side part vertical to a metal bottom. The side part has a part with a first height and bending parts with a second height lower than the first height. A plurality of bending parts include a horizontal part. An end of an upper part of the bending part is bent. The horizontal part is in parallel with a surface of a liquid crystal panel. A top cover(150) is coupled with the cover bottom.

Description

Liquid crystal display device module

The present invention relates to a liquid crystal display device, and more particularly, to a liquid crystal display module mounted on a mobile phone.

In line with the recent information age, the display field has also been rapidly developed, and a liquid crystal display device (FPD) is a flat panel display device (FPD) having advantages of thinning, light weight, and low power consumption. LCD, plasma display panel device (PDP), electroluminescence display device (ELD), field emission display device (FED), etc. : It is rapidly replacing CRT.

Among them, liquid crystal displays are most actively used in fields such as notebooks, monitors, and TVs because of their excellent contrast ratio and high contrast ratio.

1 is a cross-sectional view of a portion of a conventional LCD module for a mobile phone.

As illustrated, the general liquid crystal display module 10 includes a liquid crystal panel 20, a backlight unit (not shown), a support main 30, a cover bottom 40, and a top cover 50.

The liquid crystal panel 20 is composed of first and second substrates 12 and 14 bonded to each other with a liquid crystal layer (not shown) interposed therebetween as a part that plays a key role in image expression. A printed circuit board (not shown) is connected to each other along two adjacent edges of the liquid crystal panel 20 through a connecting member (not shown).

In addition, upper and lower polarizing plates 19b and 19a are attached to upper and lower surfaces of the liquid crystal panel 20, and a backlight unit (not shown) is provided behind the liquid crystal panel 20.

The liquid crystal panel 20 and the backlight unit (not shown) include a top cover 50 covering the top edge of the liquid crystal panel 20 and a backlight unit (not shown) with the edges surrounded by the support main 30 having a rectangular frame shape. The cover cover 40 which covers the back surface is combined in front and rear, respectively, and is integrated through the support main 30.

At this time, the backlight unit (not shown) is arranged along the longitudinal direction of at least one edge of the support main 30 and a lamp (not shown), a white or silver reflector 22 seated on the cover bottom 40, The light guide plate 26 mounted on the reflective plate 22 and a plurality of optical sheets 28 interposed thereon.

At this time, the lamp housing (not shown) for guiding the lamp (not shown) is further provided, the lamp housing (not shown) of the lamp (not shown) with the inner side toward the light guide plate 26 is opened. Around the top and bottom, the light is concentrated in the direction of the light guide plate 26 together with the protection of the lamp (not shown).

Accordingly, the light emitted from the lamp (not shown) is incident on the side of the light guide plate 26 by the lamp housing (not shown) and refracted in the direction of the liquid crystal panel 20, and the plurality of optical sheets 28 While passing through the high quality of uniform brightness is supplied to the liquid crystal panel 20.

The liquid crystal display module 10 having such a configuration is used as a display device for a mobile phone, and is provided with a plurality of circuits for operating as a case 60 of a mobile phone or a mobile phone for expanding the ground for improving the performance of the mobile phone. The cover bottom 40 of the liquid crystal display module 10 is electrically connected to the ground (not shown) of the flexible printed circuit board (FPCB) (not shown) and the conductive tape 70.

However, as described above, electrically connecting the cover bottom 40 and the ground of the mobile phone FPCB (not shown) or the mobile phone case 60 using the conductive tape 70 may reduce the attraction force for attaching the conductive tape 60. The use of the conductive tape 60 increases the manufacturing cost of the cellular phone.

In addition, recently, a dual panel type liquid crystal display module capable of displaying images on both sides has been developed, and such a dual panel type liquid crystal display module is being applied to a mobile phone.

In the case of the dual panel type liquid crystal display module, the bottom cover is formed along the edge of the liquid crystal panel, so there is little free space for attaching the conductive tape, and thus a method of extending the ground by attaching the conductive tape cannot be used.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a liquid crystal display module for a mobile phone having a structure that can be electrically connected to the cover bottom and the mobile phone case without a conductive tape attached.

In addition, it is another object to improve the sensitivity and characteristics of the mobile phone by extending the ground also for a mobile phone having a dual panel type liquid crystal display module.

Liquid crystal display module according to the present invention for achieving the above object, the liquid crystal panel; A plurality of optical sheets interposed under the liquid crystal panel; A light guide plate provided below the plurality of optical sheets; A light source arranged along a longitudinal direction of one edge of the light guide plate; A support main on which the light guide plate, a plurality of optical sheets, and a liquid crystal panel are mounted; A side surface of the support main frame is formed of a metal material and includes a vertical side portion bent from the bottom surface and the bottom end, the side portion having a first height and a plurality of second heights lower than the first height. A cover bottom portion having a bending portion, wherein each of the plurality of bending portions has a horizontal portion parallel to the surface of the liquid crystal panel with its upper end bent; The cover cover is assembled and fastened to include a top cover made of a metal material.

At this time, in the side portion of the cover bottom, the lower end of the hemming (Hemming) to form a double surface consisting of the inner surface and the outer surface and the lower end is bent and characterized in that formed parallel to the horizontal portion.

In addition, the top cover has a hemming (side) of its side to form a double-sided structure, and corresponding to a portion where a plurality of bending portions of the cover bottom formed grooves to have the same height as the horizontal portion of the cover bottom. The horizontal portion of the cover bottom is bent in the same direction as the end of the cover bottom bent, so that the horizontal portion and the end form a 'c' shape, or opposite to the direction in which the end of the cover bottom is bent. It is bent in the direction characterized in that it is formed to contact the upper surface of the groove portion of the top cover.

In addition, any one side portion of the side of the cover bottom is bent so that the light source is mounted therein to form a 'c' shape, the plurality of bending portions of the at least one side portion of the other side portion except for the side portion on which the light source is mounted The side surface portions of the cover bottoms may be formed to correspond to the bottom surface, and the bending portion may be formed to correspond to at least one side portion of the side portions.

In addition, a driving circuit board is provided to be connected to the liquid crystal panel, the driving circuit board is characterized in that the close contact with the bottom of the cover bottom, characterized in that the reflective plate is provided between the light guide plate and the bottom of the cover bottom.

The cover bottom may be electrically connected to the ground of the driving circuit board connected to the liquid crystal panel, and the cover bottom may include a metal case which is coupled to the liquid crystal display module. Protrusions are provided corresponding to the respective bending portions, and the protrusions are fastened to contact the horizontal portions provided in the bending portions.

In addition, the liquid crystal display module is characterized in that the use for mobile phones.

In addition, the liquid crystal display module is a dual panel type, the liquid crystal panel is the first and second liquid crystal panel, the light guide plate is the first and second light guide plate, the plurality of optical sheets are the first and second optical sheet, The support main is divided into first and second support mains, and the first support main, a plurality of first optical sheets, a first light guide plate, and a first liquid crystal panel are provided on the upper side of the cover bottom, based on the bottom of the cover bottom. The second support main, a plurality of second optical sheets, a second light guide plate, and a second liquid crystal panel may be provided below the cover bottom.

In this case, the side surface portion of the cover bottom is formed corresponding to the side surfaces of the first and second support main, the bottom end of the cover bottom is characterized in that the bottom surface is configured to contact the upper surface of the second support main, The reflecting plate is divided into first and second reflecting plates, wherein the first reflecting plate is configured to contact the first light guide plate, and the second reflecting plate is configured to contact the second light guide plate.

The driving circuit board may be divided into a first driving circuit board connected to the first liquid crystal panel and a second driving circuit board connected to the second liquid crystal panel, and the first and second driving circuit boards face each other and the first driving circuit board may face each other. 1 is disposed between the light guide plate and the bottom surface of the cover bottom, the reflective plate is configured to be in contact with the first light guide plate.

As described above, in the liquid crystal display module for a mobile phone according to the present invention, the ground can be extended by the structural feature of the cover bottom and the metal phone case directly contacting in various areas without a conductive tape. Therefore, since the conductive tape is not required, the material cost can be reduced, and the ground expansion can reduce the radio sensitivity of the cellular phone and suppress the defects caused by static electricity.

In addition, the conductive tape attaching process is omitted in the assembling of the liquid crystal display module, thereby simplifying the manufacturing process.

1 is a cross-sectional view of a portion of a conventional liquid crystal display module for a mobile phone.
2 is a plan view of a liquid crystal display module for a mobile phone according to an embodiment of the present invention.
3 is a cross-sectional view of a portion cut along the cutting line III-III of FIG.
4 is a perspective view of a portion of a liquid crystal display module for a mobile phone according to an embodiment of the present invention.
FIG. 5 is a perspective view illustrating a part of a side surface of the liquid crystal display module for a mobile phone according to an embodiment of the present invention including a second bending part of a cover bottom.
FIG. 6 is a perspective view illustrating a portion of a side surface of the liquid crystal display module for a mobile phone according to a modification of the embodiment of the present invention including a second bending part of a cover bottom. FIG.
Figure 7 is a simplified cross-sectional view showing the mounting of the mobile phone case to the liquid crystal display device for a mobile phone 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.

2 is a plan view of a liquid crystal display module for a mobile phone according to an embodiment of the present invention, Figure 3 is a cross-sectional view of a portion cut along the cutting line III-III of Figure 2, Figure 4 is an embodiment of the present invention A perspective view of a portion of a liquid crystal display module for a mobile phone according to the present invention.

As shown, the liquid crystal display module 101 according to an exemplary embodiment of the present invention includes the first and second liquid crystal panels 110a and 110b, the first and second light guide plates 126a and 126b, and a plurality of first and second liquid crystal display panels. The backlight 120 including the first and second optical sheets 128a and 128b and a light source (not shown), the first and second support mains 130a and 130b, the cover bottom 140 and the top cover 150 It is configured to include.

First, each of the first and second liquid crystal panels 110a and 110b is a component that plays a key role in image expression, and each of the first and second liquid crystal panels 110a and 110b are bonded to each other with a liquid crystal layer (not shown) interposed therebetween. A substrate (not shown) and a liquid crystal layer (not shown) interposed between these two substrates (not shown).

Although not clearly shown in the drawings under the premise of an active matrix type, a plurality of gate wires and data wires intersect each other to define a pixel on an inner surface of the first substrate 112a and 112b, which is commonly called an array substrate. A thin film transistor (TFT) is provided as a switching element near an intersection point of each of the two wires, and each of the thin film transistors is connected to a pixel electrode formed for each pixel.

The inner surfaces of the second substrates 114a and 114b called color filter substrates corresponding to the first substrates 112a and 112b having such a configuration correspond to each pixel, for example, a color composed of a red, green, and blue color filter pattern. A filter layer is provided, and a black matrix is provided to cover each of the color filter patterns and overlap the gate line, the data line, and the thin film transistor. The common electrode is formed to cover the color filter layer and the black matrix.

Meanwhile, the printed circuit board 134 is connected to at least one edge of each of the first and second liquid crystal panels 110a and 110b having the above-described configuration via a connecting member (not shown) such as a flexible circuit board. It is configured to be in close contact with the rear surfaces of the first or second light guide plates 126a and 126b during the assembly process.

In this case, each of the first and second liquid crystal panels 110a and 110b includes a gate driving circuit that scans and transmits an on / off signal of the thin film transistor to a gate wiring, and a data driving circuit that transfers image signals for each frame to a data wiring. It is provided in the non-display area.

The first and second liquid crystal panels 110a and 110b having the above-described structure have the data when the thin film transistor selected for each gate line is turned on by an on / off signal of the gate driving circuit which is scanned and transmitted. The signal voltage of the driving circuit is transmitted to the pixel electrode in the pixel through the data line, whereby the arrangement direction of the liquid crystal molecules is changed by the electric field between the pixel electrode and the common electrode provided in each pixel to show a difference in transmittance. An image is displayed.

Although not clearly shown in the drawings, the first and second substrates 112a and 112b and 114a and 114b and the liquid crystal layer constituting the first and second liquid crystal panels 110a and 110b, respectively. (Not shown), the upper and lower alignment layers (not shown) for determining the initial alignment direction of the liquid crystal molecules are further provided at the boundary portion, and the liquid crystal layer (not shown) interposed between the upper and lower alignment layers (not shown) is prevented. And seal patterns (not shown) are provided along edges of the first and second substrates 112a, 112b and 114a and 114b to maintain the bonded state. In this case, only light in a specific direction is selectively formed on the outer surface of each of the first and second substrates 112a, 112b and 114a and 114b constituting the first and second liquid crystal panels 110a and 110b. Upper and lower polarizing plates 118a and 118b and 119a and 119b are respectively provided.

The first light guide plate 126a and the plurality of first optical sheets 128a are provided on the outer surface of the lower polarizing plate 119a of the first liquid crystal panel 110a having the above configuration, and the second liquid crystal panel 110b is provided. A second light guide plate 126b and a plurality of second optical sheets 128b are provided on the outer surface of the lower polarizer 119b. In this case, the first light guide plate 126a provided on the outer surface of the lower polarizing plate 119a of the first liquid crystal panel 110a and the second light guide plate provided on the outer surface of the lower polarizer 119b of the second liquid crystal panel 110b. 126b is disposed to face each other, and a bottom surface 140a of the cover bottom 140 is located between the first and second light guide plates 126a and 126b, and a bottom surface 140a of the cover bottom 140 is located. Reflecting plate 122 is provided on the upper and lower portions thereof, respectively, and the first and second light guide plates 126a and 126b and the plurality of first and second optical sheets 128a, respectively, are disposed on the reflecting plate 122. 128b) and the first and second liquid crystal panels 110a and 110b are sequentially stacked and seated. In this case, one of the reflecting plates 122 contacting the bottom surface 140a of the cover bottom 140 and disposed above and below the cover bottom 140 may be omitted by using the bottom surface 140a of the cover bottom 140 as the reflecting plate.

In addition, a non-display area of the first and second liquid crystal panels 110a and 110b and a connection member such as a flexible circuit board may be disposed between the reflective plate 122 and the bottom surface 140a of the cover bottom 140. The printed circuit board 134 is connected to each other and is in close contact with the printed circuit board 134. In this case, the printed circuit board 134 is connected to the side surfaces of the first and second liquid crystal panels 110a and 110b to face each other, so that the bottom surface 140a of the cover bottom 140 is shown in the drawing. It is shown that only one printed circuit board 134 is provided between the and the reflecting plate 122.

Meanwhile, in the drawing, the reflecting plate 122 is only corresponding to the portion where the first liquid crystal panel 126a is seated among the reflecting plates 122 positioned on the upper and lower portions of the cover bottom 140 and the bottom 140a, respectively. 2, a printed circuit board 134 is disposed between the reflective plate 122 and the bottom surface 140a of the cover bottom 140 as an example. In addition, for the second liquid crystal panel 126b in which the reflector 122 is not disposed, the bottom surface 140a of the cover bottom 140 serves as a reflector instead of the reflector.

Meanwhile, a light source (not shown) for supplying light from the rear surface of the first and second liquid crystal panels 110a and 110b so that the difference in transmittance indicated by the first and second liquid crystal panels 110a and 110b is expressed to the outside. In more detail, each side of the first and second liquid crystal panels 110a and 110b is provided to correspond to one side of the first and second light guide plates 126a and 126b facing each other.

At this time, the light source (not shown) is any one of a cold cathode fluorescent lamp (CCFL), an external electrode fluorescent lamp (External Electrode Fluorescent Lamp), a light emitting diode (LED, hereinafter referred to as LED) The light source (not shown) may be an LED when considering a light weight and a thin display of a display device.

On the other hand, when the light source (not shown) is made of a cathode electrode fluorescent lamp, a pair of lamp holders are provided at both end edges of the cathode electrode fluorescent lamp to protect the electrode parts at both ends, and the external electrode fluorescent lamp In the case of a lamp is also provided with a lamp holder to protect the external electrode.

In addition, when the light source (not shown) is an LED, a plurality of LEDs and a plurality of LEDs include a PCB for LED mounted by a surface mount technology (SMT) at a predetermined interval apart.

Here, the plurality of LEDs emit light having the colors of red (R), green (G), and blue (B), respectively, and white light by color mixing by lighting the LEDs emitting a plurality of red, green, and blue colors at once. Can be implemented.

In addition, by using LEDs that are configured to emit all red, green, and blue LEDs, white LEDs can be implemented in each LED, or a fully white LED (not shown) can be used, including a chip emitting white light. It may be.

Meanwhile, the first liquid crystal panel 126a having the above-described configuration, the upper and lower polarizing plates 118a and 119a and the first light guide plate 126a and the plurality of first optical sheets 128a provided on the outer surface thereof are included in these configurations. It is seated on the first support main 130 having a frame shape along the edge of the element.

In addition, the second liquid crystal panel 126b and the upper and lower polarizers 118b and 119b and the second light guide plate 126b and the plurality of second optical sheets 128b provided on the outer surface thereof are along the edges of these components. It is seated on the 2nd support main 135 which has a frame form. In this case, the first and second support mains 130 and 135 may be made of a synthetic resin mold.

 In addition, the first and second support mains 130 and 135 may be seated so that the cover bottom 140, which is the basis for assembling the entire apparatus of the liquid crystal display module 101, is largely the first and second liquid crystal panels 110a and 110b. The bottom surface (140a) parallel to the surface of the) and its edge is vertically bent side portion (140b). In this case, the side part 140b is further divided into a first bending part (not shown), a second bending part BDA, vertical parts 140c and 140d, and a horizontal part 140e.

 Then, the first and second support mains 130 having a rectangular frame shape, which are seated on the cover bottom 140 and open at one edge of the first and second liquid crystal panels 110a and 110b and the edges of the light source. 135 is fastened and coupled with the cover bottom 140.

In this case, the top cover 140 may also be referred to as a case top or a top case, and the support mains 130 and 135 may also be referred to as guide panels or main supports and mold frames, and the cover bottom 140 may be a bottom cover or a bottom cover. It may also be called.

In addition, a cover bottom 140 is provided on the outer surfaces of the first and second support mains 130 and 135 so as to border the first and second support mains 130 and 135 at the same time. The top cover 150 is formed while bordering the side portion 140b of the bottom 140 and supporting some bottom surfaces 140a at the same time.

 In this case, the cover bottom 140 has a first bent portion (not shown) in which one side of the light source (not shown) is bent in a cross-sectional shape in a substantially "c" shape along a horizontal plane of the plate shape and one edge thereof. May be configured to guide the light source (not shown) through its first bending portion (not shown). When the cover bottom 140 is configured to have the first bending part (not shown), a separate lamp housing (not shown) is not required.

 Alternatively, the cover bottom 140 may be formed to be perpendicular to the bottom surface without a first bent portion (not shown), as in one side of the light source (not shown) and the other side. In this case, in order to increase the light efficiency of the light source (not shown), the lamp housing (not shown) may be further provided in a form of enclosing the light source (not shown) to the outside.

In addition, as the most distinctive configuration according to the present invention, when the cover bottom 140 constitutes a first bending part (not shown), three cover plates except one side (not shown) provided with the light source (not shown) may be provided. A second bending part BDA is partially formed on at least one side of the side surfaces to form a flat portion.

In addition, when the first bending part (not shown) is not provided on one side of the light source (not shown), at least one of four sides including one side of the light source (not shown) is provided. A second bending portion BDA is formed, which is partially bent at the side surface to form a flat portion.

Meanwhile, in the drawings, two second bending parts BDA included in the cover bottom 140 are formed in each of the three side parts 140b, but the number and the forming positions thereof may be changed in various ways.

A cover bottom having a characteristic configuration of the present invention will be described in more detail with reference to the drawings.

FIG. 5 is a perspective view illustrating a part of a side surface of the liquid crystal display module for a mobile phone according to an embodiment of the present invention including a second bending part of a cover bottom.

As shown, the cover bottom 140 is a vertical portion 140d of the lower side of each of the three side portions 140b except for one side of the light source (not shown) is bent in a 'U' shape is a double In the state of forming the surface 140d and being bent in a 'U' shape to form the double surface 140d, the ends thereof are again in parallel with the surfaces of the first and second liquid crystal panels 110a and 110b. The inner side end portion and the bent end 140f of the double surface 140d folded in the shape of 'U' and bent once are configured to be bonded to the side and the upper surface of the second support main 135. The upper end 140c of the side portion 140b of the cover bottom 140 is formed in parallel with the side surface of the first support main 130. In this case, the upper surface of the second support main 135 has a double step and is configured to have a first step part 136a and a second step part 136b, and corresponds to the first step part 136a. The bottom surface of the lower end of the cover bottom 140 is characterized in that the configuration to make contact. The lower portion of the side portion 140b of the cover bottom 140 is applied to the outer hemming to form a double surface 140d, which suppresses warpage and improves the rigidity of the cover bottom 140 itself. This is to increase durability in the display device module 101.

At this time, the second bending portion BDA is formed in the upper portion of the side portion 140b of the cover bottom 140 formed in parallel with the side surface of the first support main 130. The first support main 130 is similar to that of the lower end 140f of the side portion 140b which is bent in parallel with the upper surface of the second support main 135 so that the lower end 140f of the side part 140b contacts the upper surface of the second support main 135. It is characterized in that the bent toward the side of the second support main 135 so as to form a state parallel to the upper surface of the. Accordingly, both ends of the side surfaces of each of the plurality of second bending parts BDA form a parallel state, such as a 'c' shape as one side of the cover bottom 140 of a portion where a light source (not shown) is formed. It is characterized by forming.

At this time, the side surface portion of the second support main 135 is formed to be thinner than the other area to correspond to the portion where the second bending portion BDA of the cover bottom 140 is formed, so that the side portion of the cover bottom 140 ( The upper end 140e of the 140b) is characterized in that it is configured to form a space of a predetermined width so that it can be bent.

On the other hand, in the drawing, the upper bent portion of the portion forming the plurality of second bending portions BDA of the cover bottom 140 is configured to be bent toward the second support main 135 side, but as a modification As shown in FIG. 6 (a perspective view showing a part of a side including a second bending portion of a cover bottom in the liquid crystal display module for a mobile phone according to the modification of the embodiment of the present invention), a plurality of the cover bottom 140 The second bending portion (BDA) of, that is, the upper end of the cover bottom 140 may be bent toward the outside rather than the second support main 135 side, in this case, the cover bottom 140 side The upper end of the side surface of the top cover 150 located on the outside is formed lower than the other area is characterized in that the form located on the upper surface of the upper end.

Meanwhile, referring to FIGS. 2, 3, and 4, in the liquid crystal display device module 101 for a mobile phone according to an embodiment of the present invention and a modification thereof, a light source (not shown) of the cover bottom 140 is provided. Having a plurality of second bending parts BDA on three other sides except one side makes contact with a case (not shown) of a cellular phone made of a metal material through the plurality of second bending parts BDA. This is to extend the internal ground. Although not shown in the drawing, the cover bottom 140 is connected to the ground formed on the driving circuit board 134 connected to the first and second liquid crystal panels 110a and 110b.

On the other hand, in the case of the conventional liquid crystal display module for a mobile phone, the cover bottom (40 of FIG. 1) and the case of the mobile phone (60 of FIG. 1) is electrically connected to each other using a conductive tape (70 of FIG. 1), but FIG. Referring to 7 (cross-sectional view briefly showing the mounting of the mobile phone case on the liquid crystal display device for a mobile phone according to an embodiment of the present invention), the liquid crystal display module 101 of the mobile phone according to an embodiment or modification of the present invention In this case, the mobile phone case is formed of a metal material with a plurality of second bending parts BDA having horizontal surfaces parallel to the surfaces of the first and second liquid crystal panels 110a and 110b on the side portions 140b of the cover bottom 140. It is characterized by having a structure in which the use of the conductive tape is suppressed by bringing it into natural contact with a part of the 160.

Meanwhile, referring to FIGS. 2, 3, 4, and 5, the outer side of the cover bottom 140 having the above-described configuration supports the bottom surface of the cover bottom 140, and hemes itself outward. The top cover 150 forming a double surface is provided while bordering the side surface of the cover bottom 140.

In this case, in the top cover 150, corresponding to the plurality of second bending portions BDA of the cover bottom 140, the groove portion is formed to have a height lower than that of other areas and coincide with the upper end of the cover bottom 140. The liquid crystal display module 101 for a mobile phone according to an embodiment of the present invention is completed.

On the other hand, with reference to Figure 7, the cell phone liquid crystal display module 101 having the above-described configuration is made by die casting and the opening for exposing the display area of the first and second liquid crystal panel (110a, 110b) The mobile phone case 170 is fastened to achieve a dual panel type mobile phone. In this case, the mobile phone case 170 has a plurality of protrusions 175 formed on an inner surface thereof so as to be in contact with the second bending part BDA of the liquid crystal display module 101 for the mobile phone. When the plurality of protrusions 175 are coupled to the mobile phone case 170 and the liquid crystal display module 101, the side portions 140b of the cover bottom 140 provided in each of the plurality of second bending parts BDA are provided. By contacting the upper end horizontal portion 140e, the mobile phone case 170 and the cover bottom 140 made of metal are conductive, whereby the ground can be extended.

In the liquid crystal display module 101, when the ground capacity is increased, voltage stability is increased, so that the reliability of the element controlled through voltage application is increased, and when static electricity is generated, static electricity is applied to the liquid crystal panels 110a and 110b. There is an advantage that has the effect as an antistatic means that can be prevented from penetrating into the provided thin film transistor and destroy the device.

In addition, the increase in the ground capacity in the mobile phone 200 has the effect of improving the wireless sensitivity.

On the other hand, in the liquid crystal display module 101 for a mobile phone according to the embodiment and the modification of the present invention, although the dual panel type with the first and second liquid crystal panels 110a and 110b is taken as an example, one liquid crystal In the case of a liquid crystal display module for a mobile phone having a panel, it is obvious that the same effect as described above can be realized by forming a cover bottom having a plurality of second bending parts to allow direct contact with the mobile phone case as described above. will be.

The present invention is not limited to the above embodiments and modifications, and can be variously modified and implemented without departing from the spirit of the present invention.

101: liquid crystal display module
110a: first liquid crystal panel
140: Cover Bottom
140e: horizontal section (cover cover side)

Claims (14)

A liquid crystal panel;
A plurality of optical sheets interposed under the liquid crystal panel;
A light guide plate provided below the plurality of optical sheets;
A light source arranged along a longitudinal direction of one edge of the light guide plate;
A support main on which the light guide plate, a plurality of optical sheets, and a liquid crystal panel are mounted;
A side surface of the support main frame is formed of a metal material and includes a vertical side portion bent from the bottom surface and the bottom end, the side portion having a first height and a plurality of second heights lower than the first height. A cover bottom portion having a bending portion, wherein each of the plurality of bending portions has a horizontal portion parallel to the surface of the liquid crystal panel with its upper end bent;
Top cover made of metal and assembled and assembled with the cover bottom
Liquid crystal display module characterized in that it comprises a.
The method of claim 1,
And a bottom surface of the cover bottom portion having a hemming process to form a double surface consisting of an inner surface and an outer surface, and a lower end of the cover bottom portion being bent to be parallel to the horizontal portion.
The method of claim 1,
The top cover of the liquid crystal is characterized in that the side surface is formed by a hemming (hemming) to form a double-sided structure, the groove portion so as to have the same height as the horizontal portion of the cover bottom to correspond to the portion formed with a plurality of bending parts of the cover bottom Display module.
The method of claim 3, wherein
The horizontal portion of the cover bottom is bent in the same direction as the end of the cover bottom is bent, so that the horizontal portion and the end forms a 'c' shape,
Or the end of the cover bottom is bent in a direction opposite to the bent direction so as to contact the upper surface of the groove of the top cover.
The method of claim 1,
One side of any of the side portions of the cover bottom is bent to form the 'c' shape so that the light source is mounted therein, and the plurality of bending portions correspond to at least one side portion of the remaining side portions except for the side portion on which the light source is mounted. Formed by
Alternatively, the side surface portion of the cover bottom is equally perpendicular to the bottom surface and the bending portion is a liquid crystal display module, characterized in that formed corresponding to at least one side portion of the side portion.
The method of claim 1,
And a driving circuit board connected to the liquid crystal panel, wherein the driving circuit board is in close contact with the bottom surface of the cover bottom.
The method of claim 1,
And a reflecting plate between the light guide plate and a bottom surface of the cover bottom.
The method of claim 1,
And the cover bottom is in an electrically conductive state with the ground of the driving circuit board connected to the liquid crystal panel.
The method of claim 1,
And a metal case which is fastened to the LCD display module, wherein the case includes protrusions corresponding to the bending portions of the cover bottom, and contacts the horizontal portions of the protrusions and the bending portions. Liquid crystal display module characterized in that fastened to.
The method of claim 9,
The liquid crystal display module is characterized in that the mobile phone module.
The method according to any one of claims 1 to 10,
The liquid crystal display module forms a dual panel type, wherein the liquid crystal panel includes first and second liquid crystal panels, the light guide plates are first and second light guide plates, and the plurality of optical sheets are first and second optical sheets, and the support. The main is divided into a first and a second support main, and the first support main, a plurality of first optical sheets, a first light guide plate, and a first liquid crystal panel are provided on an upper surface of the cover bottom, on the top of the cover bottom. And a second support main, a plurality of second optical sheets, a second light guide plate, and a second liquid crystal panel below the bottom of the bottom.
The method of claim 11,
The side surface portion of the cover bottom is formed corresponding to the side surfaces of the first and second support mains, and the bottom end of the cover bottom is configured such that the bottom thereof is in contact with the top surface of the second support main. .
The method of claim 11,
And the reflector is divided into first and second reflectors, wherein the first reflector is in contact with the first light guide plate, and the second reflector is in contact with the second light guide plate.
The method of claim 11,
The driving circuit board is divided into a first driving circuit board connected to the first liquid crystal panel and a second driving circuit board connected to the second liquid crystal panel, and the first and second driving circuit boards face each other and the first light guide plate And a bottom surface of the cover bottom and the reflector is configured to contact the first light guide plate.

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