KR20080000848A - Liquid crystal display module - Google Patents

Abstract

An LCD module is provided to join a board assembly cover, which protects a board assembly unit, and a cover bottom directly without a separate member, thereby maximizing the effective surface of a PCB(Printed Circuit Board). A backlight unit is disposed below an LCD panel. A cover bottom(100) wraps a lower portion and a lateral portion of the backlight unit. A board assembly unit(140) is connected to the backlight unit, and positioned above a rear face of the cover bottom. A board assembly cover(120) is positioned above the rear face of the cover bottom such that the board assembly cover protects and covers the board assembly unit. The board assembly cover has a principal portion at a predetermined region thereof. A connecting member penetrates the cover bottom through a first hole formed in the principal portion of the board assembly cover.

Description

Liquid Crystal Display Module

1 is an exploded perspective view showing a conventional liquid crystal display module

2A and 2B are process perspective views illustrating a top and a rear surface of a conventional liquid crystal display module.

3A and 3B are perspective views showing a state in which the guide panel is assembled on the backlight unit, viewed from the top and back surfaces;

FIG. 4 is a view illustrating a board assembly cover and a screw of a conventional liquid crystal display module fastened in region A of FIG. 3B;

5 is a structural cross-sectional view taken along line II ′ of FIG. 4.

FIG. 6 is a view illustrating an inner side surface of a cover bottom into which the screw of FIG. 5 enters. FIG.

7 is a plan view showing a liquid crystal display module of the present invention.

FIG. 8 is a view illustrating a state in which a board assembly cover and a screw of the liquid crystal display module of the present invention are fastened in the region B of FIG. 7.

9 is a cross-sectional view taken along line II-II 'of FIG. 8;

FIG. 10 is a view from the inner side of the cover bottom into which the screw of FIG. 9 enters;

* Description of the symbols for the main parts of the drawings

100: cover bottom 120: board assembly cover

130: inverter 140: board assembly unit

150: screw 155: protrusion

157: main part

210: lamp 220: reflector

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device. In particular, a liquid crystal display that maximizes an effective area of a printed circuit board (PCB) by allowing a board assembly cover for protecting a board assembly unit to be directly engaged with a cover bottom without a separate member. It is about a module.

As the information society develops, the demand for display devices is increasing in various forms, and in recent years, liquid crystal display devices (LCDs), plasma display panels (PDPs), electro luminescent displays (ELD), and vacuum fluorescent (VFD) Various flat panel display devices such as displays have been studied, and some of them are already used as display devices in various devices.

Among them, LCD is the most widely used as the substitute for CRT (Cathode Ray Tube) for mobile image display device because of its excellent image quality, light weight, thinness, and low power consumption. In addition to the use of the present invention has been developed a variety of monitors such as television and computer to receive and display broadcast signals.

In order to use such a liquid crystal display as a general screen display device in various parts, it is a matter of how high quality images such as high definition, high brightness and large area can be realized while maintaining the characteristics of light weight, thinness and low power consumption. Can be.

A general liquid crystal display device includes a liquid crystal panel for displaying an image, wherein the liquid crystal panel is a liquid crystal layer injected between the first and second glass substrates bonded to each other with a predetermined space and the first and second glass substrates. It is composed.

The first glass substrate (TFT array substrate) may include a plurality of gate wires arranged in one direction at a predetermined interval, a plurality of data wires arranged at regular intervals in a direction perpendicular to the respective gate wires, A plurality of pixel electrodes formed in a matrix form in each pixel region defined by crossing gate lines and data lines, and a plurality of thin film transistors switched by signals of the gate lines to transfer signals of the data lines to each pixel electrode. Is formed.

The second glass substrate (color filter substrate) includes a light shielding layer for blocking light in portions other than the pixel region, an R, G, and B color filter layers for expressing color colors, and a common electrode for implementing an image. Is formed.

The driving principle of the general liquid crystal display device uses the optical anisotropy and polarization property of the liquid crystal. Since the liquid crystal is thin and long in structure, the liquid crystal has directivity in the arrangement of molecules, and the direction of the arrangement of molecules can be controlled by artificially applying an electric field to the liquid crystal.

Such a liquid crystal display includes a process of manufacturing a lower array substrate on which thin film transistors and pixel electrodes are arranged, a process of manufacturing an upper color filter substrate including a color filter and a common electrode, an arrangement of the two substrates manufactured, and a liquid crystal material It is formed by a liquid crystal cell process consisting of injection, encapsulation, and polarizer attachment.

A general liquid crystal display device includes a liquid crystal display module, a system for applying power required for driving the liquid crystal display module and generating a control signal for driving the liquid crystal display module and the liquid crystal display module and the system to protect from the outside. It consists of an external case.

The outer case is a material for protecting the liquid crystal display module and the system, and is a component having a buffering effect against impact, and casings the liquid crystal display module and the system under conditions that do not reduce the efficiency of the display area.

Hereinafter, a conventional liquid crystal display module will be described with reference to the accompanying drawings.

1 is an exploded perspective view showing a conventional liquid crystal display module.

As shown in FIG. 1, the conventional liquid crystal display module 10 is largely a board assembly unit for driving a liquid crystal panel 11, a back light unit 15, and the liquid crystal panel 11. 40, a case top (Case top) 20 is made.

Here, the liquid crystal panel 11 includes a first substrate on which a TFT array is formed, a second substrate on which a color filter array is formed, and a liquid crystal layer formed between the first and second substrates.

The first substrate (TFT array substrate) has a plurality of gate lines arranged in one direction at regular intervals, a plurality of data lines arranged at regular intervals in a direction perpendicular to the gate lines, and the gate lines; A plurality of pixel electrodes formed in a matrix form in each pixel region defined by crossing data lines and a plurality of thin film transistors that are switched by signals of the gate lines to transfer signals of the data lines to each pixel electrode are formed.

The second substrate (color filter substrate) includes a light shielding layer for blocking light in portions other than the pixel region, an R, G, and B color filter layers for expressing color colors, and a common electrode for implementing an image. Is formed.

Further, a first polarizing plate 11a and a second polarizing plate 11b are further formed on the rear surfaces of the second substrate and the first substrate to adjust light transmission according to the alignment of the liquid crystals.

The driving principle of the general liquid crystal display device uses the optical anisotropy and polarization property of the liquid crystal. Since the liquid crystal is thin and long in structure, the liquid crystal has directivity in the arrangement of molecules, and the direction of the arrangement of molecules can be controlled by artificially applying an electric field to the liquid crystal.

The board assembly unit 40 may include a gate drive IC and a data drive IC for applying driving signals to gate lines and data lines of the liquid crystal panel, and a gate PCB 40a for controlling the respective drive ICs. And a source PCB 40b. Here, the gate drive IC and the data drive IC are respectively embedded in the tape carrier package (TCP) films 41a and 41b and connected to the first substrate, the gate, and the source PCBs 40a and 40b. The TCP films 41a and 41b are directly attached to the first substrate, the gate and the source PCBs 40a and 40b by using a conductive resin. The TCP film has a structure in which a metallic conductive layer is inserted in a single layer or multiple layers between layers of a flexible material such as polyamide.

On the other hand, in some cases, the gate or data drive IC can be embedded in the liquid crystal panel, in which case the PCB can be easily integrated by mounting one integrated circuit.

The gate and source PCBs 40a and 40b are connected to a system (not shown) outside the liquid crystal display 10, and are supplied with power and receive a control signal for driving.

The backlight unit 15 uniformly spreads a lamp array (not shown), a cover bottom 13 surrounding the bottom and the periphery of the lamp array, and light emitted from the lamp array over the entire surface. It consists of an optical plate / sheet 12 which is transmitted to the liquid crystal panel 11 side.

Here, a reflection plate (not shown) is formed in contact with the inside of the cover bottom 13, and a lamp array is positioned on the reflection plate, and the diffusion or protection sheet 12a and the first prism sheet 12b are sequentially disposed on the reflection plate. An optical plate / sheet 12 consisting of a second prism sheet 12c and a diffusion or protective sheet 12d is included.

In addition, a case top is formed in a shape that surrounds upper edges and sides of the liquid crystal panel 11 and the backlight unit 15. At this time, the board assembly unit 40 is folded and positioned below the cover bottom 13, and is protected from the outside through a subsequent casing operation.

Hereinafter, an assembly process of the liquid crystal display will be described with reference to the drawings.

2A and 2B are process perspective views illustrating a top and a rear surface of a conventional liquid crystal display module, and FIGS. 3A and 3B are views of an assembly of a guide panel on a backlight unit, viewed from the top and rear surfaces thereof. Is a perspective view.

As shown in FIG. 2A, a conventional liquid crystal display module first prepares a backlight unit 45 including a lamp array (not shown) including a plurality of lamps and a cover bottom surrounding a lower surface and a side of the lamp array. .

Subsequently, a plurality of optical sheets (not shown) are disposed on the backlight unit 45.

Subsequently, the panel guide 46 is formed to surround the upper edge of the backlight unit 45 and the plurality of optical sheets.

At this time, when the back surface of the backlight unit 45 is observed, it is as shown in Fig. 2b. Here, the cover bottom has a lower surface on which the lamp array is seated, side surfaces of both sides of the lower surface which are connected to the lower surface and have a height greater than or equal to the thickness of the lamp array, and extend from the side surfaces of both sides to be parallel to the lower surface. It comprises an upper surface formed with a step and a lower surface in the horizontal plane direction.

The guide panel 46 is a structure defining a position at which the liquid crystal panel (not shown) corresponds to the upper portion of the backlight unit 45. The guide panel 46 is made of a material having a high plasticity. At this time, the guide panel 46 partially covers the backlight unit 45 and supports the backlight unit 45.

On the other hand, a liquid crystal panel (not shown) is mounted on the guide panel 46 to integrate the liquid crystal panel and the backlight unit 45.

As shown in FIG. 3A, a board assembly unit (not shown, obscured by 50, see 55 of FIGS. 4A to 6) formed in connection with a liquid crystal panel to generate a driving signal in the liquid crystal panel includes a liquid crystal panel and a backlight unit ( 45) It is folded to the lower rear surface and is located at a predetermined portion of the upper side of the rear surface of the cover bottom 30. That is, when the board assembly unit is folded from the liquid crystal panel to the backlight unit, the board assembly unit will correspond to the upper and lower surfaces of the cover bottom 30.

In the illustrated figure, the board assembly unit is a form in which the gate drive IC and the gate PCB are mounted in the liquid crystal panel, so that only one source PCB is configured as the board assembly unit and connected to a predetermined portion of the upper side of the liquid crystal panel. The board assembly unit is formed on one side of the liquid crystal panel and is folded downward to form a board assembly cover 50 thereon so as to be in contact with the rear surface of the cover bottom 30, thereby forming the board assembly unit from the outside. Protect and shield. Here, the board assembly cover 50 is formed of a metallic material through a mold.

In addition, inverters 47a and 47b that apply voltage signals to the plurality of lamps are disposed on both rear surfaces of the backlight unit 45, that is, rear surfaces of the cover bottom 30. Here, the inverters 47a and 47b are formed on the rear surface of the lower surface, on both the left and right sides of the surface forming the cover bottom 30.

As shown in FIG. 3B, the inverter covers 48a and 48b formed through metal molds are formed on the surfaces of the inverters 47a and 47b to shield the inverters 47a and 47b from the outside. And protect. At this time, the inverter covers 48a and 48b are formed in a shape covering the inverters 47a and 47b on the rear surface of the lower surface of the cover bottom 30.

In this case, the inverter covers 48a and 48b are connected to upper and lower portions through predetermined holes and bolts (not shown) provided on the lower surface of the cover bottom 30, respectively. In addition, the first inverter 47a formed on the left side is formed to partially cover a predetermined thickness of the guide panel 46 on the left side, and on the right side of the first inverter 47a on the bottom surface of the lower surface of the cover bottom 30. 48a) is formed. The inverter 47b formed on the right side is symmetrically, and on the right side, the inverter 47b is formed to partially cover a predetermined thickness of the guide panel 46. On the left side, the inverter 47b is formed on the rear surface of the lower surface 30a of the cover bottom 30. 2 inverter cover 48b is formed.

Herein, the liquid crystal panel (not shown), the guide panel 46, the backlight unit 45, the inverters 47a and 47b, the board assembly unit (not shown, see 55 of FIGS. 4A to 6), and the like, may cover the inverter. 48A, 48B, a board assembly cover 50, a casing top (not shown), etc. are cased to constitute the liquid crystal display module 60.

The inverter covers 48a and 48b are performed at the final stage of assembly in the assembling process of the liquid crystal display, and a main role is to safely block high current flowing through the inverters 47a and 47b to the outside.

The size and number of the inverter covers 48a and 48b may be changed according to the size and number of the inverters 47a and 47b.

Positions of the inverters 47a and 47b are attached to the left and right sides of the rear surface of the cover bottom 30. Due to the characteristics of the inverters 47a and 47b, it is a common case that the inverters are alternately assembled in the upper left, lower right or lower left, and the upper right. As shown in the figure, when the sizes of the inverters 47a and 47b are formed substantially equal to the vertical lengths of the cover bottoms 48a and 48b on the left and right, the left and right balances are assembled.

4 is a view illustrating a board assembly cover and a screw of a conventional liquid crystal display module fastened in region A of FIG. 3B, FIG. 5 is a cross-sectional view taken along line II ′ of FIG. 4, and FIG. 6 is FIG. The inner side of the cover bottom which the screw of which enters is shown.

As shown in Figs. 4 to 6, the board assembly cover 50 of the conventional liquid crystal display module has a recessed portion 55 whose surface is circular in a predetermined portion, and has a hole at the bottom of the recessed portion 55. The board assembly cover 50 and the screw 56 are fastened by inserting the screw 56 through the hole to penetrate the board assembly unit 40 and the cover bottom 30.

Here, as shown in FIG. 5, the cover bottom 30 extends toward the screw 56 so as to meet the screw 56 and the PCB 40 at the position where the screw 56 is located. And a hole in which the screw 56 enters in the center of the bottom portion 58.

Looking at the bottom 58 of the cover bottom 30 through FIG. 6, it can be seen that a predetermined portion of the screw 56 protrudes from the hole in the center of the bottom 58.

In the conventional liquid crystal display module, the screw 56 passes through all of the cover bottom 30, the board assembly unit 40, and the board assembly unit 50, so that the screw 56 is fastened. Becomes a component unmounted region in which components on the board assembly unit 40 cannot be fastened.

Meanwhile, reference numeral 70 not described in FIG. 5 denotes a lamp 70 formed on the inner side of the cover bottom 30, and 80 denotes a bottom surface of the lamp 70 on the inner side of the cover bottom 30. The reflecting plate 80 positioned at, to reflect and transmit the light from the lamp 70 toward the liquid crystal panel side.

The conventional liquid crystal display module as described above has the following problems.

Conventional liquid crystal display modules are assembled by inserting a screw between a hole provided in the cover bottom and a hole provided in the board assembly cover when the board assembly cover protecting the board assembly unit is attached to the cover bottom. In the site where the board assembly unit is interposed between the board assembly cover and the cover bottom and the insertion is performed, the board assembly unit cannot be mounted in the circuit and becomes an invalid area.

In addition, when the board assembly cover is mounted at the bottom of the cover, when the board assembly unit and the board assembly cover are fastened to each other, the size of the board assembly unit increases according to securing an invalid area, thereby increasing the cost of the product. Cause.

The present invention has been made to solve the above problems to maximize the effective area of the PCB (Printed Circuit Board) by allowing the board assembly cover that protects the board assembly unit to be directly engaged with the cover bottom without a separate member. It is an object of the present invention to provide a liquid crystal display module.

The liquid crystal display module of the present invention for achieving the above object is a liquid crystal panel, a backlight unit formed below the liquid crystal panel, a cover bottom surrounding the lower and side portions of the backlight unit, and connected to one side of the liquid crystal panel And a board assembly unit positioned on an upper side of the bottom of the cover bottom, a board assembly cover and a board disposed on an upper side of the bottom of the cover bottom to protect the board assembly unit and covering the protection assembly unit, and having recesses in predetermined portions. It is characterized in that it comprises a connecting member formed through the cover bottom through the first hole provided in the main portion of the assembly cover.

A protrusion is formed at the bottom of the cover to correspond to the surface of the recess of the board assembly cover.

The protrusion of the cover bottom has a depth spaced apart from the backlight unit in the cover bottom when the connecting member penetrates into the protrusion.

A second hole is formed in the protrusion of the cover bottom to correspond to the first hole. The protrusion of the cover bottom has a first portion to which the connection member corresponds and a second portion to which the connection member does not correspond, and the first portion and the second portion have a step. In addition, the step is such that the first portion further protrudes toward the surface side of the board assembly cover relative to the second portion. Here, the first portion is in contact with the recessed surface of the board assembly cover, and the second portion is spaced apart from the board assembly cover surface by a predetermined distance. Also, at this time, the board assembly unit is fitted into the spaced space between the recessed surface of the board assembly cover and the first portion.

On the other hand, the main portion of the cover of the board assembly is provided with a plurality,

The connecting member is formed to sequentially pass through the board assembly cover and the cover bottom.

At this time, the connecting member is made using a screw.

Hereinafter, the liquid crystal display module of the present invention will be described in detail with reference to the accompanying drawings.

7 is a plan view illustrating a liquid crystal display module of the present invention.

As shown in FIG. 7, the liquid crystal display module of the present invention includes a liquid crystal panel (not shown) including two substrates opposed to each other with a liquid crystal layer interposed therebetween, and formed under the liquid crystal panel, to direct light toward the liquid crystal panel side. A back light unit (not shown) to transmit, a cover bottom 100 surrounding the lower and side portions of the backlight unit, and a board assembly unit connected to one side of the liquid crystal panel and positioned above the rear surface of the cover bottom 100. (boark assembly unit, 140), and a board assembly cover which protects the board assembly unit 140 and is located above the bottom of the cover bottom to cover the protection assembly unit, the board assembly cover having a recess in a predetermined portion; 120 and a connecting member such as a screw 155 formed through the cover bottom 100 through a first hole provided in the main portion of the board assembly cover 120 (see 157 of FIG. 8). It comprise.

In the liquid crystal panel, a thin film transistor array (not shown) for driving a plurality of pixels and a color filter array (not shown) for color expression are formed on the first substrate and the second substrate facing each other.

In addition, the backlight unit includes a lamp array (not shown) including a plurality of lamps (see 210 of FIG. 9) arranged in parallel with each other, and at least one optical sheet to assist diffusion and transfer to the liquid crystal panel side on the lamp array. Included.

Inverters 130: 130a and 130b that apply voltage signals to the plurality of lamps are located on the back surface of the backlight unit, that is, on both sides of the back surface of the cover bottom 100. Here, the inverters 130 (130a, 130b) are formed on the rear surface of the lower surface, left and right both sides of the surface forming the cover bottom 100.

The inverter 130 (130a, 130b) is formed on the surface of the inverter (130: 130a, 130b) on the surface of the board assembly unit, the inverter cover (not shown) formed through a mold made of a metallic material from the outside, from the outside Shield and protect). At this time, the inverter cover is formed in a shape that covers the inverter (130: 130a, 130b) on the rear surface of the cover bottom (100).

The inverter cover is performed in the final stage of assembly in the assembling process of the liquid crystal display, and a main role is to safely block high current flowing through the inverters 130 (130a and 130b) to the outside.

FIG. 8 is a view illustrating a state in which a board assembly cover and a screw of the liquid crystal display module of the present invention are fastened in a region B of FIG. 7, FIG. 9 is a cross-sectional view taken along line II-II ′ of FIG. 8, and FIG. 9 is a view showing the screw coming in from the inner side of the cover bottom.

8 to 10, in order to mount the board assembly cover 120 on the rear surface of the cover bottom 100, a recess 157 is formed in a predetermined portion of the board assembly cover 120, and the recess is provided. 157 and the corresponding portion of the cover bottom 100 are fastened.

In addition, a protrusion 155 is formed at the cover bottom 100 to correspond to the surface of the recess 157 of the board assembly cover 120. Here, the protrusion 155 of the cover bottom 100 is such that the lower side of the screw 150 does not meet the backlight unit including the lamp 210 when the screw 150 penetrates into the protrusion 155. The protrusion 155 in the cover bottom 100 is formed to have a predetermined depth.

The protrusion 155 of the cover bottom 100 or the recess 157 on the board assembly cover 120 are formed together in a mold process of forming the shape of the cover bottom 100 or the board assembly cover 120. do.

In this case, the protrusion 155 of the cover bottom 100 corresponds to the first hole of the recess 157 of the board assembly cover 120 to form a second hole. As shown in FIG. 10, the bottom surface of the protrusion 155 of the inner side of the cover bottom 120 is a second portion in which the first portion 155a to which the screw 150 corresponds and a connection member do not correspond. (155b). In addition, the first portion 155a and the second portion 155b have steps. The step is such that the first portion 155a is further protruded toward the surface side of the recess 157 of the board assembly cover 120 relative to the second portion 155b. In this case, the first portion 155a is in contact with the surface of the recess 157 of the board assembly cover 120, and the second portion 157 is predetermined with the surface of the recess 157 of the board assembly cover 120. Spaced apart. In addition, the board assembly unit 140 is fitted into the spaced space between the surface of the recess 157 of the board assembly cover 120 and the first portion 155a.

Here, a plurality of recesses 157 of the cover 120 of the board assembly may be provided. As illustrated in FIG. 7, when a plurality of recesses 157 are provided, a protrusion is formed on the cover bottom 100 corresponding to each recess 157. 155 is formed to correspond to each other, and a screw 150 is inserted between the protrusions 155 to each recess 157 to fasten the board assembly cover 120 and the cover bottom 100. In this case, the screw 150 passes through only the board assembly cover 120 and the cover bottom 100 in turn, and at this time, the board assembly unit 140 of the protrusion 155 of the cover bottom 100. It is fitted in the space between the second portion 155b and the board assembly cover 120.

As such, the board assembly unit 140 is not formed at a portion where the screw 150 is formed, and is formed between the board assembly cover 120 and a gap formed between the cover bottom 100 and a separate connection. The board assembly unit 140 may be mounted on the cover bottom 100 in the board assembly cover 120 without requiring a fastening structure of the member.

Meanwhile, in the illustrated drawing, the board assembly unit 140 includes a gate drive IC and a gate PCB mounted in the liquid crystal panel, and only one source PCB is formed as a board assembly unit to be connected to a predetermined portion of the upper side of the liquid crystal panel. Indicates a state of presence. The board assembly unit is formed on one side of the liquid crystal panel and is folded downward to form a board assembly cover 120 thereon so as to be in contact with the rear surface of the cover bottom 100. It is protected and shielded from the outside. Here, the board assembly cover 120 is formed of a metallic material through a mold.

As shown in FIG. 8, the recessed portion 157 formed in the board assembly cover 50 of the liquid crystal display module of the present invention may be shaped into a shape in which the truncated cone shape goes into the bottom side. It is also possible to shape the shape into a shape that has entered the bottom.

As shown in FIG. 8, a plurality of grooves 120a having a predetermined size are formed on the surface of the board assembly cover 120 to dissipate heat emitted from the board assembly unit 140. do.

In addition, as shown in FIG. 9, the screw 150 has a protrusion 155 of the cover bottom 100 having a second hole, and the protrusion of the cover bottom 100 at a portion where the screw 150 enters. The protection part 156 may enter the second hole 155 and surround the screw 150.

In addition, reference numeral 220, which is not described in FIG. 9, is a reflector 220 formed on the lower side of the lamp 210 and the inner side of the cover bottom 100, and the light emitted from the lamp 210 may be lost to the liquid crystal panel. It reflects and delivers.

As such, when the board assembly cover 120 and the cover bottom 100 are directly contacted and fastened without inclusions, the board assembly unit 140 may be omitted at the screw 150 forming portion, and the board assembly unit 140 may be omitted. Can reduce the size. In addition, the board assembly unit 140 is finally inserted by inserting the board assembly unit 140 into a gap between the cover bottom 100 and the board assembly cover 120 without using a separate fastening member in the board assembly unit 140. ) Can be mounted on the cover bottom 100, so that it is not necessary to provide a separate hole, etc. when forming the board assembly unit 140 can simplify the assembly process. In addition, the process cost can be reduced and the processing time can be reduced by reducing the area of the board assembly unit 140 and simplifying the forming process.

The liquid crystal display module of the present invention as described above has the following effects.

First, when the fastener is directly contacted with the cover bottom through a screw directly from the board assembly cover, the board assembly unit may be omitted at a position corresponding to the screw forming portion, thereby reducing the size of the board assembly unit. Therefore, when a board assembly unit having a small size is installed, a process for forming a separate hole is not required, thereby securing an upper component mounting area in the board assembly unit. In addition, the board assembly cover protecting the board assembly unit may be directly coupled to the cover bottom without a separate member, thereby maximizing an effective area of the board assembly unit.

Second, the board assembly unit can be finally mounted on the cover bottom by inserting the board assembly unit into the gap between the cover bottom and the board assembly cover without using a separate fastening member in the board assembly unit. It is not necessary to provide a separate hole, etc. to simplify the assembly process. In addition, the reduction in the area of the board assembly unit and the simplification of the forming process can reduce the process cost and reduce the process time.

Claims (12)

Liquid crystal panels; A backlight unit formed under the liquid crystal panel; A cover bottom surrounding lower and side portions of the backlight unit; A board assembly unit connected to one side of the liquid crystal panel and positioned above the rear surface of the cover bottom; A board assembly cover disposed on an upper side of the bottom of the cover to protect the board assembly unit and covering the protection assembly unit, the board assembly cover having a recessed portion at a predetermined portion; And And a connecting member formed through the cover bottom through a first hole provided in a recess of the board assembly cover. The method of claim 1, And a protrusion is formed at the bottom of the cover to correspond to a surface of a main portion of the board assembly cover. The method of claim 2, The protrusion of the cover bottom has a depth spaced apart from the backlight unit in the cover bottom when the connection member penetrates into the protrusion. The method of claim 2, And a second hole is formed in the protrusion of the cover bottom to correspond to the first hole. The method of claim 4, wherein The protrusion of the cover bottom has a first portion to which the connection member corresponds and a second portion to which the connection member does not correspond. The method of claim 5, And the first portion and the second portion have steps. The method of claim 6, And wherein the step is such that the first portion protrudes more toward the surface side of the board assembly cover than the second portion. The method of claim 7, wherein And the first portion is in contact with a recessed surface of the board assembly cover and the second portion is spaced apart from the board assembly cover surface by a predetermined distance. The method of claim 8, And the board assembly unit is inserted into a spaced space between the recessed surface of the board assembly cover and the first portion. The method of claim 1, And a plurality of main parts of the cover of the board assembly are provided. The method of claim 1, And the connecting member sequentially passes through the board assembly cover and the cover bottom. The method of claim 1, The connecting member is a liquid crystal display module, characterized in that the screw.

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