KR101787624B1 - Portable communication device - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable communication device including a liquid crystal display device, and relates to a lightweight and thin portable communication device.
A feature of the present invention is that a LED FPCB, in which a plurality of LEDs of an LED assembly are mounted, is connected to a main printed circuit board and a receiver, which is a speaker device of a portable communication apparatus including a liquid crystal display module using LEDs as a light source, .
As a result, a separate FPCB for connecting the receiver and the speaker to the main printed circuit board is not required, so that it is possible to realize a more lightweight and thinner structure, at the same time, the efficiency of the process and the manufacturing cost can be reduced.

Description

[0001] Portable communication device [0002]

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

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

Such a liquid crystal display device has a liquid crystal panel in which a liquid crystal panel is interposed between two adjacent substrates through a liquid crystal layer as an essential component and changes the alignment direction of the liquid crystal molecules in an electric field in the liquid crystal panel to realize a difference in transmittance do.

Since the liquid crystal panel does not have its own light emitting element, a separate light source is required to display the difference in transmittance as an image. To this end, a backlight having a light source is disposed on the back surface of the liquid crystal panel.

The liquid crystal panel and the backlight are modularized by the case top, the support main, and the cover bottom.

The modularized liquid crystal display module is finally modularized through the front cover and the rear cover together with the main printed circuit board and the like.

In recent years, such a liquid crystal display device has been actively applied not only to a TV or a monitor but also to a personal portable electronic device such as a mobile phone, a PDA, a navigation device, a PMP, Device.

The dual speaker device includes a receiver for communication with the other party and at least one speaker having a relatively larger output than the receiver so as to selectively output sound and music reproduced in the terminal according to the active function do.

At this time, the speaker and the receiver are each provided with a flexible printed circuit board (FPCB) to be electrically connected to the main printed circuit board.

In recent years, such a portable communication apparatus has a significantly reduced weight and volume, and at the same time requires a low product price, there are too many components constituting the portable communication apparatus, which hinders the lightweight and thinness of the portable communication apparatus .

Also, it is difficult to implement a low product price because the material cost is large as the number of components is large.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is a first object of the present invention to realize a lightweight and thin portable communication device.

A second object of the present invention is to reduce the material cost of the portable communication device.

According to an aspect of the present invention, there is provided an LED package comprising: a plurality of LEDs; an LED FPCB (flexible printed circuit board) on which the plurality of LEDs are mounted; first to third FPCBs A liquid crystal display module including the LED assembly; A main printed circuit board mounted on the back surface of the LCD module and electrically connected to the first FPCB, the LED driver circuit and the speaker device driving circuit being mounted; A receiver electrically connected to the second FPCB; A speaker electrically connected to the third FPCB; A front cover covering a front edge of the LCD module and a rear cover covering a rear surface of the LCD module and being assembled with the front cover, The first power supply wiring is electrically connected to the LED driving circuit, and the second and third power supply wiring are electrically connected to the speaker device driving circuit The present invention provides a portable communication apparatus.

In this case, the second power supply line extends to the second FPCB, the third power supply line extends to the third FPCB, and the one end of the first FPCB is connected to the first, 1 to 3, and is electrically connected to the main printed circuit board.

A pad electrode is formed at one end of each of the second and third FPCBs to be electrically connected to the receiver and the speaker. The front cover is opened at the front to expose the LCD module, A cover glass is placed on the front surface.

In addition, a key button is formed on one side of the front cover, a microphone device is provided on one side of the key button, and the first to third power supply lines are formed on the LED FPC and the first to third FPCBs, Or formed on different layers.

In this case, the second FPCB and the third FPCB are located at both ends of the LED FPCB, respectively, and the LCD module includes a backlight unit including the LED assembly; A liquid crystal panel mounted on the backlight unit; And a cover main body and a cover cover for modularizing the backlight unit and the liquid crystal panel.

The backlight unit includes a light guide plate, a reflection plate, and an optical sheet.

As described above, in order to connect a receiver, which is a speaker device of a portable communication apparatus including a liquid crystal display module using LED as a light source according to the present invention, and a speaker to a main printed circuit board, a plurality of LEDs By using the mounted LED FPCB, it is not necessary to separately provide a separate FPCB for connecting the receiver and the speaker to the main printed circuit board.

As a result, it is possible to realize a more lightweight and thinner structure, and at the same time, the efficiency of the process can be improved and the production cost can be lowered.

1 is a perspective view schematically showing a portable communication apparatus having a liquid crystal display module according to an embodiment of the present invention as a display screen.
Fig. 2 is an exploded perspective view of Fig. 1; Fig.
3 is an exploded perspective view of a liquid crystal display module according to an embodiment of the present invention.
4 is a plan view schematically showing a structure of an LED assembly 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. 1 is a perspective view schematically showing a portable communication apparatus having a liquid crystal display module according to an embodiment of the present invention as a display screen, and FIG. 2 is an exploded perspective view of FIG.

The portable communication apparatus 100 includes a liquid crystal display module 200 for realizing images and a front cover 300 and a rear cover 300 for accommodating the liquid crystal display module 200. [ cover: 400).

In this case, the front cover 300 is configured such that a part of the front surface thereof is opened to display an image realized by the LCD module 200. In the opened front face of the front cover 300, the LCD module 200 is protected The cover glass 310 is assembled.

Here, the cover glass 310 uses a specially treated tempered glass having excellent thermal durability, which is caused by deterioration due to heat emitted from the backlight unit 220 (see FIG. 3) of the LCD module 200, In order to prevent the occurrence of problems such as the occurrence.

A key button 321 is exposed through a plurality of holes 301 at a lower portion of the front surface of the front cover 300. A microphone 321 is provided at the lower end of the key button 321, Apparatus 800 is provided.

A speaker device 600 including a receiver 610 and a speaker 620 is provided at the upper end of the LCD module 200. The receiver 610 can receive a voice of the other party I will play a role.

The speaker 620 provided at at least one side of the receiver 610 outputs a voice or music selectively played according to the active function with a relatively higher output than the receiver 610. [

That is, the portable communication apparatus 100 of the present invention is not limited to the mobile communication, but can be used for listening to music (listening to MP3 music, etc.), watching a movie (DMB-Digital Multimedia Broadcasting - city hall), camera shooting, and many other uses that may be required during travel in modern life.

Such a portable communication apparatus 100 is called a bar type portable communication apparatus.

A plurality of components are mounted on the back surface of the LCD module 200 and the components are connected to the LCD module 200 and the speaker device 600 through the FPCBs 260, 261, 263, and 265 And a main printed circuit board 500 electrically connected to the main printed circuit board 500 so that power and signals can be exchanged with each other.

At this time, the receiver 610 and the speaker 620 of the speaker device 600 are separately connected to the main printed circuit board 500.

The keypad 320 having the keypad 321 may be formed of key buttons 321 having a 3 × 4 array for simple data input such as telephone number input of a counter party, a short message, and the like.

The electrical signal input through the keypad 320 is transmitted to the main printed circuit board 500.

Also, although not shown in the drawing, a function key including a menu call key, a call start / end key, and the like for utilizing various functions of the terminal may be further provided at an upper portion of the keypad 320. [

Although the portable communication apparatus 100 according to the present invention is separately connected to the main printed circuit board 500 and the receiver 610 and the speaker 620 of the speaker apparatus 600 are separately connected to each other through a separate FPCB (not shown) Is not provided.

That is, the portable communication apparatus 100 of the present invention does not include an FPCB (not shown) electrically connected to the main printed circuit board 500 in the receiver 610 and the speaker 620, (See FIG. 3) of the LED FPCB 260 (refer to FIG. 3) provided in the main body 200 to be electrically connected to the main printed circuit board 500.

Accordingly, the portable communication apparatus 100 of the present invention can realize a lighter and thinner structure, at the same time, has an effect of improving process efficiency and manufacturing cost.

This will be described in more detail with reference to FIG.

3 is an exploded perspective view of a liquid crystal display module according to an embodiment of the present invention.

The liquid crystal display module 200 includes a liquid crystal panel 210 and a backlight unit 220, a support main body 230 for modulating the liquid crystal panel 210 and the backlight unit 220, And a top cover 240. As shown in FIG.

The liquid crystal panel 210 is a part that plays a key role in image display and includes a first substrate 212 and a second substrate 214 which are bonded to each other with a liquid crystal layer interposed therebetween .

At this time, a plurality of gate lines and data lines intersect to define a pixel on the inner surface of the first substrate 212, which is usually referred to as a lower substrate or an array substrate, although not shown in the drawing, A thin film transistor (TFT) is provided at each intersection and is connected in one-to-one correspondence with transparent pixel electrodes formed in each pixel.

On the inner surface of the second substrate 214 called an upper substrate or a color filter substrate, a color filter of red (R), green (G), and blue (B) And a black matrix for covering the gate lines, the data lines, and the thin film transistors. In addition, color filters of red (R), green (G), and blue (B) colors and transparent common electrodes covering the black matrix are provided.

A polarizing plate (not shown) for selectively transmitting only specific light is attached to the outer surfaces of the first and second substrates 212 and 214, respectively.

A printed circuit board 217 is connected to at least one edge of the liquid crystal panel 210 via a connection member 216 such as a flexible circuit board or a tape carrier package (TCP) And is properly brought into close contact with the side surface of the main body 230 or the back surface of the cover bottom 250.

In the liquid crystal panel 210, when a selected thin film transistor is turned on for each gate line by an on / off signal of a gate driving circuit, a signal voltage of the data driving circuit is applied to the corresponding pixel electrode And the alignment direction of the liquid crystal molecules is changed by the electric field between the pixel electrode and the common electrode, thereby exhibiting a difference in transmittance.

In addition, the liquid crystal display device according to the present invention is provided with a backlight unit 220 for supplying light from the backside of the liquid crystal panel 210 so that the difference in transmittance represented by the liquid crystal panel 210 is externally expressed.

The backlight unit 220 includes an LED assembly 229 and a white or silver reflective plate 225 and a light guide plate 223 mounted on the reflective plate 225 and an optical sheet 221 interposed therebetween.

The LED assembly 229 is disposed on one side of the light guide plate 223 so as to face the light incident surface of the light guide plate 223. The LED assembly 229 includes a plurality of LEDs 227 and a plurality of LEDs 227, And a flexible printed circuit board (FPCB) 260 mounted thereon.

The LED assembly 229 is of a side view type in which light emitted from a plurality of LEDs 227 is parallel to the LED FPCB 260.

The LED assembly 229 is electrically connected to an LED driving circuit (not shown) mounted on a back surface of the liquid crystal display module 200, that is, a main printed circuit board (500 of FIG. 2) closely attached to the back surface of the cover bottom 250, A plurality of LEDs 227 are formed on one side of the LED FPCB 260 so as to be electrically connected to an LED driving circuit (not shown) mounted on a main printed circuit board (500 of FIG. 2) 1 FPCB 261 is extended.

Accordingly, the plurality of LEDs 227 of the LED assembly 229 are electrically connected to the LED FPCB 260 and the first power supply wiring 267a (see FIG. 4) formed on the first FPCB 261 and the first FPCB 261 (Not shown) mounted on the main printed circuit board (500 in FIG. 2) on the backside of the cover bottom 250, using the characteristics of the LEDs.

At this time, on the main printed circuit board (500 in Fig. 2), a driver (610 in Fig. 2) and a speaker (620 in Fig. 2) of the speaker device The LED FPCB 260 of the LED assembly 229 and the first and second FPCBs 261 and 262 of the LED assembly 229 of the present invention are provided with second and third power supply lines 267b and 267c, 4) extending from the second FPCB 263 and the third power supply line 267c (see FIG. 4) in which the second power supply line 267b (see FIG. 4) extends are formed in the LED FPCB 260 3 FPCB 265 is further extended.

One end of the second FPCB 263 is electrically connected to the receiver (610 of FIG. 2) of the speaker device (600 of FIG. 2) provided in the portable communication device (100 of FIG. 2), and the third FPCB 265 Is electrically connected to the speaker (620 in Fig. 2) of the speaker device (600 in Fig. 2).

2) of the LED assembly 229 and the first to third FPCBs 261, 263, 265 and the LED FPCB 260 of the LED assembly 229. Thus, the receiver 610 and the speaker 620 of FIG. 500 of FIG. 2).

The second FPCB 263 is electrically connected to the LED FPCB 260 of the LED assembly 229 and the first FPCB 262 of the LED assembly 229. The LED FPCB 260 of the LED assembly 229 is electrically connected to one end of the second FPCB 263, 2) is connected to the main printed circuit board (500 in FIG. 2) through the second power supply wiring 267b (see FIG. 4) formed on the main printed circuit board 261 As shown in Fig.

2) is electrically connected to one end of the third FPCB 265 and the third FPCB 265 is electrically connected to the LED FPCB 260 of the LED assembly 229 and the first FPCB 261 (See FIG. 2) through the third power supply line 267c (see FIG. 4) formed on the main printed circuit board (see FIG.

2) of the LED assembly 229 and the first to third FPCBs 261, 263, 265 and the LED FPCB 260 of the LED assembly 229. Thus, the receiver 610 and the speaker 620 of FIG. 2) and a speaker (620 of FIG. 2) are electrically connected to each other by a speaker device driving circuit (not shown) mounted on a main printed circuit board (500 of FIG. 2) So that power and signals can be exchanged with each other.

2) of the speaker device (600 of FIG. 2) and the speaker (620 of FIG. 2) of the speaker device (600 of FIG. 2) It is possible to realize a more lightweight and slimmer structure, and at the same time, it is possible to improve the efficiency of the process and to lower the manufacturing cost of the FPCB.

Let me take a closer look at this later.

The light guide plate 223 on which the light emitted from the plurality of LEDs 227 is incident is illuminated by the light incident from the LED 227 through the light guide plate 223 by total reflection several times and spreads evenly over a wide area of the light guide plate 223 And provides a surface light source to the liquid crystal panel 210.

Here, the light guide plate 223 is made of a plastic material such as polymethylmethacrylate (PMMA) or polycarbonate (PC), which is an acrylic transparent resin, which is one of the transparent materials capable of transmitting light, It is made in flat type.

The light guide plate 223 includes a pattern of a specific shape on its back surface to supply a uniform surface light source. The pattern may include an elliptical pattern, an elliptical pattern, and a polygonal pattern to guide light incident into the light guide plate 223. [ A polygon pattern, a hologram pattern, and the like.

 The reflection plate 225 is disposed on the back surface of the light guide plate 223 and reflects light passing through the back surface of the light guide plate 223 toward the liquid crystal panel 210 to improve the brightness of light.

The optical sheet 221 on the light guide plate 223 includes a diffusion sheet and at least one light condensing sheet and diffuses or condenses the light passing through the light guide plate 223 to form a more uniform surface light source to the liquid crystal panel 210 Let it enter.

The liquid crystal panel 210 and the backlight unit 220 are modularized through a top cover 240, a support main 230 and a cover bottom 250. The top cover 240 is disposed on the top and side surfaces of the liquid crystal panel 210, And the front cover 240 is opened to display an image to be displayed on the liquid crystal panel 210. The liquid crystal panel 210 is a liquid crystal panel.

The cover bottom 250 on which the liquid crystal panel 210 and the backlight unit 220 are mounted and is based on the assembly of the entire apparatus of the liquid crystal display module includes a horizontal surface 251 closely contacting the back surface of the backlight unit 220, And a side surface 253 whose edge is vertically bent upward.

The support main 230 having a rectangular shape and having one opened edge which is placed on the cover bottom 250 and covers the edges of the liquid crystal panel 210 and the backlight unit 220 is supported by the top cover 240, Is combined with the bottoms 250.

The support main 230 has a protrusion 231 which divides the position of the liquid crystal panel 210 and the backlight unit 220 inwardly and the liquid crystal panel 210 is supported on the protrusion 231.

In this case, the top cover 240 may be referred to as a case top or a top case, and the support main 230 may be referred to as a guide panel or a main support or a mold frame. The cover bottom 250 may be referred to as a bottom cover or a bottom cover I will.

Thus, the modularized liquid crystal display device module 200 is finally modularized through the front cover (300 in FIG. 2) and the rear cover (400 in FIG. 2), thereby completing the portable communication device (100 in FIG. 2).

2) of the speaker device 600 (FIG. 2) and the speaker 610 of FIG. 2) of the liquid crystal display device module 200 according to the embodiment of the present invention, By using the LED FPCB 260 on which a plurality of LEDs 227 of the LED assembly 229 are mounted to connect the LEDs (620 of FIG. 2) to the main printed circuit board (500 of FIG. 2) It is not necessary to provide it separately.

As a result, it is possible to realize a more lightweight and thinner structure, and at the same time, the efficiency of the process can be improved and the production cost can be lowered.

That is, when the receiver 610 of FIG. 2 and the speaker 620 of FIG. 2 are connected to the main printed circuit board 500 of FIG. 2 through separate FPCBs, (610 in FIG. 2) or a speaker (620 in FIG. 2) and a main printed circuit board (500 in FIG. 2), and the length of the FPCB also increases.

In addition, since at least two separate FPCBs must be provided, an increase in the process time and an increase in the material cost due to the forming process are brought about. In addition, since the process for connecting both ends of the separately provided FPCB is further required, the efficiency of the process is lowered.

2) and the speaker (620 of FIG. 2) by extending a part of the LED FPCB 260 on which a plurality of LEDs 227 are mounted as in the present invention, It is not necessary to provide a connector for both, and the length of the FPCB can also be reduced.

This can reduce process efficiency and process cost.

4 is a plan view schematically showing the structure of an LED assembly according to an embodiment of the present invention.

The LED assembly 229 includes a plurality of LEDs 227 and an LED FPCB 260 having a plurality of LEDs 227 spaced apart from each other by a surface mount technology (SMT) .

That is, the LED FPCB 260 has a long bar shape, and the plurality of LEDs 227 are mounted at a predetermined distance along the longitudinal direction of the LED FPCB 260.

At this time, the plurality of LEDs 227 are connected in parallel and are supplied with power through a plurality of metal wires 267a, 267b, and 267c formed on the LED FPCB 260, And emits light having colors of red (R), green (G), and blue (B). By lighting the plurality of RGB LEDs 227 at once, white light by color mixing can be realized.

On the other hand, using the LED 227 constituted by an LED chip (not shown) that emits all the colors of RGB, the white light may be realized by each of the LEDs 227, The LED 227 that emits light may be used.

Here, the LED FPCB 260 includes a base film (not shown) having a flexible characteristic and a plurality of metal wirings 267a, 267b, 267c formed by patterning a conductive material on the base film (not shown) .

The base film (not shown) serves to mount and support a plurality of metal wirings 267a, 267b, and 267c and a plurality of LEDs 227 as an upper layer thereof.

At this time, the plurality of metal wirings 267a, 267b, and 267c are formed so as not to overlap each other.

A cover layer (not shown) is formed as an organic or inorganic insulating material for protecting a plurality of metal wirings 267a, 267b, 267c on the plurality of metal wirings 267a, 267b, 267c.

The LED FPCB 260 includes first to third FPCBs 261, 263 and 265 formed by extending a part of the LED FPCB 260. One end of the first FPCB 261 is connected to the main printed circuit board 2) of the speaker device (600 of FIG. 2), one end of the third FPCB 265 is electrically connected to the other end of the second FPCB (500 of FIG. 2) And is connected to the speaker (620 of FIG. 2) of the speaker device (600 of FIG. 2).

At this time, pad electrodes 269a and 269b for electrical connection between a receiver (610 in FIG. 2) and a speaker (620 in FIG. 2) are formed at one ends of the second FPCB 263 and the third FPCB 265 have.

The plurality of metal wirings formed on the LED FPCB 260 and the first FPCB 261 are divided into first to third power supply wirings 267a, 267b and 267c, and the second power supply wirings 267b are divided into 2 FPCB 263 and the third power supply wiring 267c is formed by extending to the third FPCB 265. [

Here, the first power supply line 267a serves to transmit on / off signals of a plurality of LEDs 227 mounted on the LED FPCB 260, and the second power supply line 267b 2) of the speaker device (600 of FIG. 2), and the third power supply wiring 267c is connected to the speaker of the speaker device (600 of FIG. 2) ) Of the power supply and the signal of the power supply.

2) of the speaker device (600 of FIG. 2) and speaker (620 of FIG. 2) of the speaker device (600 of FIG. 2) are connected to the main printed circuit board (500 of FIG. 2) via the first FPCB 261 of the LED FPCB 260 2) and the speaker (620 of FIG. 2) are electrically connected to a speaker device driving circuit (not shown) mounted on a main printed circuit board (500 of FIG. 2) .

2) includes a speaker device driving circuit (not shown) mounted on a main printed circuit board (500 of FIG. 2) and a power supply and a signal (not shown) via a second power supply wiring 267b The second power supply wiring 267b is formed on the second FPCB 263, the LED FPCB 260 and the first FPCB 261 connected to the receiver (610 of FIG. 2) 2) is electrically connected to the main printed circuit board (500 in FIG. 2) through the second FPCB 263, the LED FPCB 260 and the second power supply wiring 267b formed on the first FPCB 261 .

The speaker (620 in FIG. 2) receives power and signals from the speaker device driving circuit (not shown) mounted on the main printed circuit board (500 in FIG. 2) through the third power supply wiring 267c, The third power supply wiring 267c is formed on the third FPCB 265, the LED FPCB 260 and the first FPCB 261 connected to the speaker (620 of FIG. 2), so that the speaker (500 in FIG. 2) through the third FPCB 265, the LED FPCB 260, and the third power supply line 267c formed on the first FPCB 261. [

At this time, one end of the first FPCB 261 connected to the main printed circuit board 500 (FIG. 2) is provided with a pad portion 271 for electrically connecting the main printed circuit board 500 (FIG. 2) The pad portion 271 includes a first pad portion 271a connected to the first power source wiring 267a, a second pad portion 271b connected to the second power source wiring 267b, a third power source wiring 267c, And a third pad portion 271c connected thereto.

2) from the LED driving circuit (not shown) mounted on the main printed circuit board (500 of FIG. 2) through the first pad 273a formed on the first pad portion 271a, Off signal of the LED 227 of the first pad portion 271b and the second power supply wiring 267b through the second pad 273b formed on the second pad portion 271b. And the third power supply line 267c is connected to the speaker device driving circuit (not shown) through the third pad 273c formed on the third pad portion 271c, (Not shown) and a speaker (620 of FIG. 2).

Meanwhile, the LED FPCB 260 of the present invention is formed of a plurality of layer layers, and the second power supply wiring 267b is formed on another layer on the LED FPCB 260 in the area where the LED 227 is mounted Through the via hole (not shown), thereby reducing the width of the LED FPCB 260.

On the other hand, it is also possible to form the second power supply wiring 267b so as not to overlap with the first and third power supply wirings 267a and 267c on the LED FPCB 260.

2) of the speaker device (600 of FIG. 2) and the speaker (620 of FIG. 2) of the speaker device (600 of FIG. 2) by placing the second and third FPCBs 263 and 265 at both ends of the LED FPCB 260, It is preferable to make it possible to easily connect the antenna with the antenna.

2) of the speaker device 600 (FIG. 2) and the speaker 610 of FIG. 2) of the liquid crystal display device module 200 according to the embodiment of the present invention, By using the LED FPCB 260 on which a plurality of LEDs 227 of the LED assembly 229 are mounted to connect the LEDs (620 of FIG. 2) to the main printed circuit board (500 of FIG. 2) It is not necessary to provide it separately.

As a result, it is possible to realize a more lightweight and thinner structure, and at the same time, the efficiency of the process can be improved and the production cost can be lowered.

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.

227: LED, 229: LED assembly, 260: LED FPCB
261, 263, 265: first to third FPCBs
267a, 267b, 267c: first to third power supply wiring
269a, 269b: pad electrode
271: pad portions 271a, 271b, and 271c (first to third pad portions)
273a, 273b, 273c: first to third pads

Claims (10)

A liquid crystal display module including a plurality of LEDs, an LED FPCB on which the plurality of LEDs are mounted, and an LED assembly including first to third FPCBs extending from the LED FPCB;
A main printed circuit board mounted on the back surface of the LCD module and electrically connected to the first FPCB, the LED driver circuit and the speaker device driving circuit being mounted;
A receiver electrically connected to the second FPCB;
A speaker electrically connected to the third FPCB;
A front cover covering a front edge of the liquid crystal display module and a rear cover covering a rear surface of the liquid crystal display module and being assembled with the front cover,
The first to third FPCBs extend to one side of the LED FPCB, the first FPCB is located between the second and third FPCBs, and the first to third power supply wirings are formed on the LED FPCB and the first FPCB Wherein the first power supply wiring is electrically connected to the LED driving circuit and the second and third power supply wiring is electrically connected to the speaker device driving circuit.
The method according to claim 1,
Wherein the second power line extends to the second FPCB and the third power line extends to the third FPCB.
The method according to claim 1,
Wherein the first FPCB includes first to third pad portions connected to the first to third power supply wirings at one end thereof, the first to third pad portions being electrically connected to the main printed circuit board.
The method according to claim 1,
And a pad electrode is formed at one end of each of the second and third FPCBs, and is electrically connected to the receiver and the speaker.
The method according to claim 1,
Wherein the front cover is open at the front to expose the liquid crystal display module, and the cover glass is located at the opened front.
6. The method of claim 5,
A key button is formed on one side of the front cover, and a microphone device is provided on one side of the key button.
The method according to claim 1,
Wherein the first to third power supply wirings are formed on the same layer or on different layers on the LED FPCB and the first to third FPCBs.
The method according to claim 1,
And the second FPCB and the third FPCB are located at both ends of the LED FPCB, respectively.
[Claim 9 is abandoned upon payment of registration fee.] The method according to claim 1,
The liquid crystal display module includes: a backlight unit including the LED assembly; A liquid crystal panel mounted on the backlight unit; And a support main and a cover bottom for modularizing the backlight unit and the liquid crystal panel, and a top cover.
[Claim 10 is abandoned upon payment of the registration fee.] 10. The method of claim 9,
Wherein the backlight unit includes a light guide plate, a reflection plate, and an optical sheet.

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