KR101328662B1 - Inverter assembly, backlight assembly having the same, and liquid crystal display having the same - Google Patents

Abstract

Provided are an inverter assembly, a backlight assembly including the same, and a liquid crystal display including the same, which is easy to assemble and improves workability while lowering manufacturing costs. The inverter assembly includes a lamp socket into which a lamp is inserted, an inverter substrate for applying a driving voltage to the lamp and an inverter substrate connected to the lamp socket, and an inverter case into which the lamp socket is inserted and the inverter substrate is slidably coupled in a horizontal direction. do.

Inverter assembly, lamp socket, opening

Description

Inverter assembly, backlight assembly including the same and liquid crystal display including the same {Inverter assembly, backlight assembly having the same, and liquid crystal display having the same}

1 is an exploded perspective view of a liquid crystal display according to a first exemplary embodiment of the present invention.

FIG. 2 is a perspective view of an inverter assembly included in the liquid crystal display of FIG. 1.

3 is an exploded perspective view of the inverter assembly of FIG. 2.

4 is a perspective view of a socket included in the inverter assembly of FIG. 2.

5 is a bottom perspective view of an inverter case included in the inverter assembly of FIG. 2.

FIG. 6 is a partially enlarged view of an inverter case included in the inverter assembly of FIG. 2.

7A is a front view of the inverter assembly of FIG. 2.

FIG. 7B is a partially enlarged view of the inverter assembly of FIG. 7A.

8 is a modification of the guide portion of FIG. 7B.

9 is a perspective view of an inverter assembly according to a second embodiment of the present invention.

10 is a partially enlarged view of the inverter case of FIG. 9.

11 is an exploded perspective view of an inverter assembly according to a third embodiment of the present invention.

12 is a perspective view of a socket included in the inverter assembly of FIG. 11.

FIG. 13 is a partially enlarged view of an assembly case included in the inverter assembly of FIG. 11.

<Description of the symbols for the main parts of the drawings>

10: liquid crystal display 100: backlight assembly

110: upper storage container 120: liquid crystal panel assembly

121: liquid crystal panel 130: middle frame

131: optical sheets 132: lamp

133: reflector 150: lower storage container

152: lamp socket coupling groove 160: inverter assembly

161: lamp socket 162: inverter substrate

163 and 463: latching portion 164: inverter board insertion groove

165: lamp insertion port 166: lamp connection terminal

167: flange 170: inverter case

171: inverter substrate removal groove 172: heat dissipation hole

173: Lamp socket insert grooves 174, 274: Contact projection

175: support portion 176a: first screw hole

176b: second screw hole 177: protrusion

178, 478: locking groove 179: opening

182: bottom 373: first contact protrusion

374: second contact protrusion 375: first support portion

376: second support 479: guide groove

The present invention relates to an inverter assembly, a backlight assembly including the same, and a liquid crystal display including the same. More particularly, the inverter assembly, the backlight assembly including the same, and the like, which are easy to assemble and reduce manufacturing costs, and improve the workability. A liquid crystal display device is included.

2. Description of the Related Art A liquid crystal display (LCD) is one of the most widely used flat panel displays, and is composed of two substrates on which electrodes are formed and a liquid crystal layer interposed therebetween. And rearranges the liquid crystal molecules in the liquid crystal layer to adjust the amount of light transmitted.

Such a liquid crystal display device includes a backlight assembly for providing light passing through a liquid crystal layer. Wherein the backlight assembly includes a lamp, a variety of optical sheets, and a containment container for housing them.

In addition, the lamp is coupled to the socket, each socket is inserted into the socket guide, and is fixed to the lower housing. Thereafter, an inverter board including an inverter for applying driving electric charges to a lamp is inserted into a socket and connected to each other, and a separate inverter case for accommodating the inverter board is coupled under the lower storage container.

Since the backlight assembly according to the related art uses a separate socket guide for fixing the socket, the socket guide and the lower storage container, the lower storage container, and the inverter case must be coupled separately. This leads to a complicated work process, a rise in manufacturing cost and an increase in working time, and even when the inverter board needs to be separated from the backlight assembly, the inverter board must be separated after the inverter board is separated. It was uncomfortable.

The technical problem to be achieved by the present invention is to provide an inverter assembly that is easy to assemble, lower the manufacturing cost and improve workability.

Another object of the present invention is to provide a backlight assembly including such an inverter assembly.

Another object of the present invention is to provide a liquid crystal display device including the backlight assembly.

The technical objects of the present invention are not limited to the above-mentioned technical problems, and other technical subjects not mentioned can be clearly understood by those skilled in the art from the following description.

Inverter assembly according to an embodiment of the present invention for achieving the technical problem, the lamp socket is inserted into the lamp, an inverter for applying a driving voltage to the lamp and the inverter substrate connected to the lamp socket, and A lamp socket is inserted and includes an inverter case in which the inverter substrate is slidably coupled in a horizontal direction.

The backlight assembly according to another embodiment of the present invention for achieving the above another technical problem includes such an inverter case.

The liquid crystal display of the present invention for achieving the above another technical problem includes such a backlight assembly.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

The terms spatially relative, "below", "beneath", "lower", "above", "upper" May be used to readily describe a device or a relationship of components to other devices or components. Spatially relative terms should be understood to include, in addition to the orientation shown in the drawings, terms that include different orientations of the device during use or operation. Like reference numerals refer to like elements throughout the specification.

Hereinafter, an inverter assembly, a backlight assembly including the same, and a liquid crystal display including the same will be described in detail with reference to FIGS. 1 to 7.

1 is an exploded perspective view of a liquid crystal display according to a first exemplary embodiment of the present invention. Referring to FIG. 1, the liquid crystal display 10 may include a liquid crystal panel assembly 120, a backlight assembly 100, and an upper storage container 110.

The liquid crystal panel assembly 120 includes a thin film transistor array panel 123, a liquid crystal panel 121 including a common electrode display panel 122, a liquid crystal, a gate tape carrier package 124, a data tape carrier package 125, and a printed circuit. Substrate 126.

The liquid crystal panel 121 includes a thin film transistor array panel 123 including a gate line (not shown) and a data line (not shown), a thin film transistor array, a pixel electrode, and the like, a black matrix, a common electrode, and the like. And a common electrode panel 122 disposed to face the thin film transistor array panel 123.

The gate tape carrier package 124 is connected to each gate line (not shown) formed on the thin film transistor array panel 123, and the data tape carrier package 125 is each data line (not shown) formed on the thin film transistor array panel 123. ) Is connected.

On the other hand, the printed circuit board 126 has various structures for processing both the gate driving signal and the data driving signal for inputting the gate driving signal to the gate tape carrier package 124 and the data driving signal to the data tape carrier package 125. The parts are mounted.

In addition, the backlight assembly 100 includes an intermediate frame 130, optical sheets 131, a diffuser plate 140, a lamp 132, a reflector plate 133, a lower storage container 150, and an inverter assembly 160. do.

The lamp 132 may be a light emitting diode (LED), a cold cathode fluorescent lamp (CCFL), an external electrofluorescent lamp (EEFL), or the like. The lamp 132 generates light by the lamp driving voltage applied to the lamp 132 from the outside. In addition, the lamps 132 may be spaced apart at a uniform distance and connected in phase in parallel, and may be configured in a direct type. The lamp 132 is preferably arranged in the horizontal direction with respect to the liquid crystal panel 121 so that the distribution of the discharge gas inside the lamp 132 is constant to obtain uniform brightness.

In addition, the lamp socket 161 is inserted into and fixed through the lamp socket coupling groove 152 formed in the lower housing 150, and positioned to correspond to the end of the lamp 132 to support and fix the lamp 132. The lamp socket 161 will be described in detail later.

The diffusion plate 140 may be installed on the upper portion of the lamp 132, and serves to improve luminance uniformity of light generated from the lamp 132.

The reflective plate 133 is installed under the lamp 132 to reflect the light emitted to the bottom of the lamp 132 to the top. The reflective plate 133 may be integrally formed on the bottom surface of the lower storage container 150. That is, the lower storage container 150 may be made of a material having high reflectivity such as aluminum (Al) or aluminum alloy so that the lower storage container 150 may perform the function of the reflector 133.

The optical sheets 131 are installed on the diffusion plate 140 and serve to diffuse and collect light transmitted from the lamp 132. The optical sheets 131 include a first prism sheet, a second prism sheet, and the like.

The first prism sheet is positioned above the diffusion sheet, and a triangular prism pattern (not shown) is formed on one surface of the first prism sheet for condensing and emitting light diffused from the diffusion sheet. For example, a Brightness Enhancement Film-III may be used as the first prism sheet.

The second prism sheet is a reflective polarizing prism sheet having a multi-layered structure positioned on the first prism sheet and condensing and polarizing light. For example, a dual brightness enhancement film may be used as the second prism sheet. However, the second prism sheet can be excluded if the first prism sheet alone can sufficiently secure the luminance and the viewing angle.

The backlight assembly 100 includes an intermediate frame 130 and a lower accommodating container 150 for receiving the optical sheets 131, the lamp 132, and the reflecting plate 133.

The liquid crystal panel assembly 120 is installed on the optical sheets 131 and is supported by the intermediate frame 130 and seated in the lower storage container 150. The intermediate frame 130 is formed of sidewalls formed along a rectangular edge and has a structure in which a stepped portion or a protrusion is formed on an inner wall to support the liquid crystal panel assembly 120. The intermediate frame 130 has a rectangular shape and sidewalls are formed along the edge of the upper surface such that the optical sheets 131, the diffuser plate 140, the lamp 132, the reflector plate 133, and the liquid crystal panel assembly 120 are formed in the sidewall. It serves to receive and fix it.

The lower housing 150 also prevents the plurality of optical sheets 131 from bending. The printed circuit board 126 of the liquid crystal panel assembly 120 is bent along the outer wall of the lower housing 150 to be seated on the side wall or the rear surface of the lower housing 150. Here, the lower storage container 150 according to a method of accommodating the optical sheets 131, the diffusion plate 140, the lamp 132, the reflective plate 133, or the liquid crystal panel assembly 120 in the lower storage container 150. The shape of may be variously modified.

The upper accommodating container 110 is disposed to be coupled to the lower accommodating container 150 to cover an upper surface of the liquid crystal panel assembly 120 accommodated in the lower accommodating container 150. A window for exposing the liquid crystal panel assembly 120 to the outside is formed on an upper surface of the upper accommodating container 110.

The upper storage container 110 may be coupled to the lower storage container 150 through hook coupling (not shown) and / or screw coupling (not shown). In addition, the combination of the upper storage container 110 and the lower storage container 150 may be modified in various forms.

FIG. 2 is a perspective view of an inverter assembly included in the liquid crystal display of FIG. 1, and FIG. 3 is an exploded perspective view of the inverter assembly of FIG. 2.

2 and 3, the inverter assembly 160 serves to apply a driving voltage for lighting to the lamp (see reference numeral 132 of FIG. 1) or to control the lamp, and the inverter substrate 162 and the lamp. And a socket 161 and an inverter case 170.

The inverter substrate 162 includes an inverter, and generates a drive signal for turning on the lamp and various control signals for controlling the lamp. The inverter substrate 162 includes a signal pad 168 on one side thereof.

The signal pad 168 is formed integrally with the inverter substrate 162, and a contact terminal 169 is formed on one surface thereof, so that the signal pad 168 can be easily inserted into the lamp socket 161 to be described later to easily apply various signals to the lamp. Make sure

In addition, the lamp socket 161 is located at both ends of the lamp one by one, the inverter substrate 162 may be connected to only one of the lamp socket 161 of both sides to control the lamp. The inverter substrate 162 is slidably inserted into the inverter case 170 to be described later, and is coupled to the bottom surface of the lower storage container 150.

Hereinafter, the lamp socket 161 will be described in detail with reference to FIGS. 3 and 4. 4 is a perspective view of a socket included in the inverter assembly of FIG. 2.

The lamp socket 161 fixes the lamp (see reference numeral 132 of FIG. 1), and receives a driving voltage from the inverter substrate 162 and transfers the driving voltage to the lamp. The lamp socket 161 includes a lamp insertion hole 165, a lamp connection terminal 166, and an inverter board insertion groove 164.

The lamp insertion hole 165 has a U-shaped cross section so that the lamp can be safely seated. At this time, the lamp is connected to the lamp connection terminal 166 to receive a driving voltage.

The inverter substrate insertion groove 164 serves to receive a drive voltage and various control signals from the inverter substrate 162 by inserting the signal pad 168. Inverter substrate insertion groove 164 includes a terminal (not shown) in contact with the contact terminal 169 of the signal pad 168 to receive a signal, and a driving voltage applied through the signal pad 168 and various The control signal is transmitted to the lamp connection terminal 166 through a connection line (not shown) inside the lamp socket 161. The driving voltage and the control signals thus transmitted are transmitted to the lamp 132 inserted into the lamp insertion hole 165 through the lamp connection terminal 166 to light the lamp 132.

In addition, the lamp socket 161 is inserted at the lower end perpendicular to the lamp socket insertion groove 173 of the inverter case 170 based on the flange 167 formed in the stop. When the lamp socket 161 is inserted into the lamp socket insertion groove 173, the locking portion 163 formed at the lower end of the lamp socket 161 is engaged with the locking groove 178 formed on the inner wall of the lamp socket insertion groove 173 to be perpendicular to the lamp socket insertion groove 173. Is fixed. On the other hand, the flange 167 is seated in the stepped portion 184 inside the lamp socket insertion groove 173. And the flange 167 is fixed in the horizontal direction by the movement is hindered by the protrusion 177 formed in the lamp socket insertion groove (173).

The flange 167 not only allows the lamp socket 161 to be inserted into the inverter case 170, but also serves as a light blocking plate that prevents light emitted from the lamp 132 from leaking into the inverter case 170.

Hereinafter, the inverter case 170 will be described in detail with reference to FIGS. 4 to 6. 5 is a bottom perspective view of the inverter case included in the inverter assembly of FIG. 2, and FIG. 6 is a partially enlarged view of the inverter case included in the inverter assembly of FIG. 2.

The inverter case 170 is coupled to the bottom of the lower storage container 150, and serves to receive the lamp socket 161 and the inverter substrate 162. The inverter case 170 includes a lamp socket insertion groove 173, a bottom portion 182, a guide portion 183, a contact protrusion 174, a support portion 175, an inverter substrate removal groove 171, and a heat dissipation hole 172. ).

The lamp socket insertion groove 173 allows the lamp socket 161 to be inserted vertically and fixed in the vertical or horizontal direction. One or more locking grooves 178 are formed in the inner wall portion of the lamp socket insertion groove 173, and the locking portion 163 formed in the lamp socket 161 is inserted to fix the lamp socket 161.

The bottom part 182 forms a basic surface of the inverter case 170, and a lamp socket insertion groove 173 is formed at one side of the bottom part 182, and a guide part is formed at left and right sides of the lamp socket insertion groove 173. 183 forms a side wall. However, since the side wall is not formed on the opposite side opposite to the lamp socket insertion groove 173, the opening 179 through which the inverter substrate 162 enters and exits is formed when coupled to the lower housing 150. The opening 179 is formed to a height and width such that the inverter substrate 162 can be inserted or separated even after the inverter case 170 is coupled to the lower housing 150.

The guide unit 183 serves to guide sliding coupling of the lamp socket 161 and the inverter substrate 162, and includes a contact protrusion 174 on a contact surface of the lamp socket 161 and the inverter substrate 162. The guide part 183 forms a sidewall of the inverter case 170 and is connected to the opening 179 from the lamp socket insertion groove 173.

The contact protrusion 174 serves to guide the inverter substrate 162 while reducing friction so that the inverter substrate 162 can be easily slid along with the support 175. The contact protrusion 174 is formed long in the direction of the opening 179 in the lamp socket insertion groove 173, and forms the end of the guide portion 183.

In addition, the support part 175 is formed by being indented in the direction of the contact protrusion 174 from the outside of the inverter case 170, and the inverter substrate 162 is inserted between the surface of the support part 175 and the contact protrusion 174. One or more support parts 175 may be formed and include a first screw hole 176a in the indentation part 181 of the inverter case 170 formed by the support part 175. The inverter board 162 and the inverter case 170 may be formed through the first screw hole 176a of the inverter case 170 and the second screw hole 176b of the inverter substrate 162 by using a screw (not shown). The inverter substrate 162 is fixed by fastening together to the lower storage container 150.

The inverter substrate detachment groove 171 is formed in the bottom portion 182 of the inverter case 170 adjacent to the opening 179, so that the inverter substrate 162 is not separated from the lower housing 150. ) Can be removed. The inverter substrate detachment groove 171 has a form in which a portion of the bottom portion 182 is cut away, and the inverter substrate 162 may be used by a detachment mechanism (not shown) or a person may work directly. ) Is exposed to the outside. Therefore, the size of the groove is sufficient if a space for working the instrument or the human hand is secured.

The heat dissipation hole 172 is formed in the bottom portion 182 of the inverter case 170 serves to discharge heat generated from the inverter. The heat dissipation hole 172 may be modified with respect to the position and size formed according to the size or type of the inverter used.

7A and 7B, the coupling relationship between the inverter substrate 162 and the inverter case 170 will be described. FIG. 7A is a front view of the inverter assembly of FIG. 2, and FIG. 7B is a partially enlarged view of the inverter assembly of FIG. 7A.

The inverter assembly 160 inserts the lamp socket 161 vertically into the lamp socket insertion groove 173 of the inverter case 170, and then connects the inverter substrate 162 between the contact protrusion 174 and the support 175. Push through to insert the signal pad 168 of the inverter substrate 162 into the lamp socket 161.

At this time, in order to reduce the contact resistance between the inverter substrate 162 and the inverter case 170, the contact surface of the contact protrusion 174 is formed in a round shape. That is, as shown in FIG. 7B, the cross-sectional shape of the contact protrusion 174 is a semicircle or a constant curve. As such, when the contact surface of the contact protrusion 174 is reduced, not only the inverter substrate 162 is easily detachable, but also the damage of the inverter substrate 162 due to frequent detachment may be minimized.

Hereinafter, various modifications of the guide unit will be described with reference to FIG. 8. 8 is a modification of the guide portion of FIG. 7B. That is, as shown in Figure 8, the end of the contact protrusion 274 of the guide portion 183 is formed to form a corner.

The contact protrusion 274 is formed in the shape of a cross section like a corner of a triangle. When the cross-sectional shape of the contact protrusion 274 is formed as one corner of a triangle, the contact surface of the inverter substrate 162 and the contact protrusion 274 can be minimized, thereby minimizing frictional resistance. The function of fixing the inverter substrate 162 is performed by a screw (not shown) fastened to the first screw hole 176a of the indentation portion 181 of the inverter case 170, so that the contact resistance may be reduced when detaching. The structure is preferred.

As shown in FIG. 8, the shape of the contact protrusion 274 is not limited to forming two corners by forming two corners, such as one corner of a triangle, and between the contact protrusion 274 and the inverter substrate 162. The shape that can reduce the contact area can be any shape. For example, even if the cross-sectional shape of the contact protrusion 274 is rectangular, the width thereof can be reduced to reduce the contact resistance with the inverter substrate 162. In addition, the contact projections 274 are spaced apart at regular intervals from the lamp socket insertion groove 173 toward the opening 179 so that the contact projections 274 make point contact with the inverter substrate 162. It can be formed to achieve.

Hereinafter, an inverter assembly according to a second embodiment of the present invention will be described with reference to FIGS. 9 and 10. 9 is a perspective view of an inverter assembly according to a second embodiment of the present invention, and FIG. 10 is a partially enlarged view of the inverter case of FIG. 9. For convenience of explanation, the members having the same functions as the members shown in the drawings of the first embodiment are denoted by the same reference numerals, and a description thereof will be omitted. As shown in Figs. 9 and 10, the inverter assembly of this embodiment has a basically identical structure to the inverter assembly of the first embodiment except for the following.

That is, as shown in FIG. 10, the inverter assembly 160 according to the second embodiment of the present invention has a second support portion 375 and an opening 179 near the lamp socket insertion groove 173. The support 376 is formed, and a first contact protrusion 373 and a second contact protrusion 374 are formed to face each of the first support 375 and the second support 376.

The inverter assembly 160 according to the third embodiment of the present invention includes a lamp socket 161, an inverter substrate 162, and an inverter case 170. The inverter case 170 includes a lamp socket insertion groove 173, The first support part 375, the second support part 376, the first contact protrusion 373, the second contact protrusion 374, the opening part 179, the inverter substrate detachment groove 171, and the heat dissipation hole 172 are included. do.

The first support part 375 is positioned adjacent to the opening 179 of the inverter case 170, and is formed by being indented in the direction of the first contact protrusion 373 from the outside of the inverter case 170. The first support part 375 guides the signal pad 168 of the inverter substrate 162 to be inserted into the inverter substrate insertion groove 164 together with the first contact protrusions 373 formed to face each other.

The second support part 376 is positioned adjacent to the lamp socket insertion groove 173 of the inverter case 170, and is formed by being indented in the direction of the second contact protrusion 374 from the outside of the inverter case 170 or by a bottom part ( The second contact protrusion 374 may be added to the 182. The second contact protrusion 374 is formed adjacent to the lamp socket insertion groove 173 to guide the signal pad 168 of the inverter substrate 162 to be easily inserted into the inverter substrate insertion groove 164. Although one support may be formed by connecting the first support 375 and the second support 376 to each other, as described above, in order to reduce contact resistance with the inverter substrate 162, the first support 375 may be used. And formed separately from the second support portion 376.

The first contact protrusion 373 is located adjacent to the opening 179 so that the signal pad 168 of the inverter substrate 162 together with the first support portion 375 can be easily inserted into the inverter substrate insertion groove 164. It serves as a guide.

The second contact protrusion 374 is positioned adjacent to the lamp socket insertion groove 173, and serves to guide the inverter substrate 162 together with the second support 376. The second contact protrusion 374 and the second support part 376 allow the signal pad 168 of the inverter substrate 162 to be correctly inserted into the inverter substrate insertion groove 164 of the lamp socket 161. The second contact protrusion 374 may be connected to the first contact protrusion 373 as in the first embodiment described above, and may be continuously extended from the lamp socket insertion groove 173 to the opening 179, but the inverter substrate may be formed. In order to reduce the contact resistance between the 162 and the contact protrusions may be formed separately.

Hereinafter, an inverter assembly according to a third embodiment of the present invention will be described with reference to FIGS. 11 to 13. 11 is an exploded perspective view of the inverter assembly according to the third embodiment of the present invention. 12 is a perspective view of a socket included in the inverter assembly of FIG. 11, and FIG. 13 is a partially enlarged view of an assembly case included in the inverter assembly of FIG. 11. For convenience of explanation, the members having the same functions as the members shown in the drawings of the first embodiment are denoted by the same reference numerals, and a description thereof will be omitted. 11 to 13, the inverter assembly of this embodiment has a basically identical structure to the inverter assembly of the first embodiment except for the following. That is, the inverter assembly 160 according to the third embodiment of the present invention allows the lamp socket 161 to be inserted into and fixed to the lamp socket insertion groove 173 of the inverter case 270 in the horizontal direction.

The lamp socket 161 according to the third embodiment of the present invention includes a lamp insertion hole 165, a lamp connection terminal 166, a flange 167, a locking portion 163, and an inverter board insertion groove 164. The lamp socket insertion groove 173 of the inverter case 270 includes a guide groove 479 and a locking groove 478.

The flange 167 serves to fix the lamp socket 161 into the guide groove 479 of the inverter case 270 and to fix the lamp socket 161 in the vertical direction, and to prevent light emitted from the lamp 132 from leaking into the inverter case 270. In an embodiment, the flange 167 may be positioned at a stop portion or a bottom portion of the lamp socket 161.

The locking portion 163 is positioned at the lower end of the lamp socket 161 and serves to fix the lamp socket 161 to the lamp socket insertion groove 173, and the locking groove formed on the inner surface of the lamp socket insertion groove 173. 478 is combined. The locking portion 463 prevents the lamp socket 161 from being separated in the horizontal direction. At least one locking portion 163 may be formed at a lower end of the lamp socket 161.

In addition, the guide groove 479 is formed inside the lamp socket insertion groove 173, and the lamp socket 161 is inserted in the horizontal direction to prevent the lamp socket 161 from being separated in the vertical direction.

Although embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features thereof. You will be able to understand that. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

As described above, according to the inverter assembly, the backlight assembly including the same, and the liquid crystal display including the same, according to the embodiments of the present invention, it is easy to assemble and improve the workability while lowering the manufacturing cost, thereby increasing the competitiveness of the product. have.

Claims (20)

A lamp socket into which the lamp is inserted; An inverter substrate including an inverter for applying a driving voltage to the lamp and connected to the lamp socket; And And an inverter case in which the lamp socket is inserted and the inverter substrate is slidably coupled in a horizontal direction. The method of claim 1, And the lamp socket is vertically coupled to the lamp socket insertion groove of the inverter case. The method of claim 2, The lamp socket includes a flange, and the lamp socket insertion groove comprises a stepped portion on which the flange is seated. The method of claim 3, wherein The lamp socket insertion groove may include a protrusion configured to prevent horizontal movement of the flange adjacent to the stepped portion. The method of claim 2, The lamp socket includes a locking portion, the lamp socket insertion groove is coupled to the locking portion and the inverter assembly including a locking groove for fixing the lamp socket in the vertical direction. The method of claim 1, The lamp socket is horizontally coupled to the lamp socket insertion groove of the inverter case. The method of claim 6, The lamp socket includes a flange, and the lamp socket insertion groove comprises a guide groove into which the flange is inserted in the horizontal direction. The method of claim 6, The lamp socket includes a locking portion, the lamp socket insertion groove is coupled to the locking portion and the inverter assembly including a locking groove for fixing the lamp socket in the horizontal direction. The method of claim 1, wherein the inverter case, A bottom portion forming a base surface; A lamp socket insertion groove formed at one side of the bottom portion; Guide parts that form the sidewalls of the bottom part to both sides of the lamp socket insertion groove and guide the inverter substrate; And Inverter assembly including a support portion formed in the bottom portion facing the guide portion. The method of claim 9, And the guide part includes a contact protrusion in line contact with the inverter substrate. 11. The method of claim 10, The contact protrusion is the inverter assembly round the contact surface of the inverter substrate. 11. The method of claim 10, The contact protrusion is the inverter assembly in which the contact surface of the inverter substrate is a corner. 11. The method of claim 10, And a plurality of support portions, and the contact protrusions are respectively formed to face each of the support portions. The method of claim 9, The inverter case further comprises an inverter substrate detachment groove formed by opening a portion of the bottom portion to expose a portion of the inverter substrate. The method of claim 1, The inverter case has a structure in which one side wall is opened so that the inverter substrate enters and exits. The method of claim 9, A first screw hole is formed in the support part, and a second screw hole is formed in the inverter substrate. delete delete delete delete

Images