KR101082899B1 - Receiving unit, backlight assembly and display device having the same - Google Patents

Abstract

A storage container having an integrally formed lamp supporter, a backlight assembly and a display device having the same are disclosed. The lamp emits light. The storage container includes a bottom plate, a plurality of side walls connected to the bottom plate, and a lamp support part integrally formed to protrude on the front surface of the bottom plate to support the lamp, and in the storage space defined by the bottom plate and the plurality of side walls. Hold the lamp. Accordingly, by integrally forming the lamp supporter in the bottom mold, it is possible to reduce the mold cost, material cost, assembly time, and the like required to separately provide the lamp supporter, thereby reducing the manufacturing cost and generating the back of the storage container. It can block the light leakage phenomenon.

LCD, Storage Container, Bottom Mold, Lamp Supporter, Injection Molding, Side Mold

Description

Storage container, backlight assembly and display device having the same {RECEIVING UNIT, BACKLIGHT ASSEMBLY AND DISPLAY DEVICE 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 an enlarged perspective view of a portion of the first side mold illustrated in FIG. 1.

3 is a front perspective view of the bottom mold illustrated in FIG. 1.

4 is a rear perspective view of the bottom mold illustrated in FIG. 1.

FIG. 5 is a perspective view of a portion of the bottom mold illustrated in FIG. 2.

FIG. 6 is a plan view of the bottom mold illustrated in FIG. 1 viewed from the front.

7 is a plan view of the upper mold shown in FIG.

8 is a perspective view of a portion of the bottom mold according to the second embodiment of the present invention.

9 is a perspective view of a portion of the bottom mold according to the third exemplary embodiment of the present invention.

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

100: display unit 110: liquid crystal panel

120, 130: driving PCB 200: backlight unit

210: lamp 220: lamp reflector                 

230: diffusion plate 242, 246: side mold

250, 450: bottom molds 251a, 351a, 351b, 451a, 451b: lamp supporter

251b, 251c: Rib 260: Upper mold

270: control PCB 351c: protrusion

400: top chassis 451c: diffusion plate support member

The present invention relates to a storage container, a backlight assembly and a display device having the same, and more particularly, to a storage container having a lamp supporter formed integrally, and a backlight assembly and a display device having the same.

Currently, the backlight assembly employed in the LCD-TV includes a lamp assembly and various optical sheets, which are stored on a metal bottom chassis.

However, since the bottom chassis is made of galvanized steel or aluminum, parts can be assembled by screw fastening, hook check, or the like, thereby eliminating or integrating each part.

This has fundamental limitations in terms of cost reduction, parts reduction, and assembly time reduction through parts deletion and integration. Because, as long as the bottom chassis is made of metal, there is a problem in that it is difficult to delete any further parts because it is no longer possible to merge with the parts assembled thereon.

Accordingly, the technical problem of the present invention is to solve such a conventional problem, and an object of the present invention is to provide a storage container having a lamp supporter formed integrally.

Another object of the present invention is to provide a backlight assembly having the storage container described above.

Another object of the present invention is to provide a display device having the storage container described above.

In order to achieve the above object of the present invention, a storage container according to an embodiment includes a bottom plate, a plurality of side walls, and a lamp support. The plurality of side walls extend from the edge of the bottom plate to define a certain receiving space. The lamp support part is integrally formed to protrude on the front surface of the bottom plate to support the lamp to be stored.

In order to realize the above object of the present invention, the backlight assembly includes a lamp and a storage container. The lamp emits light. The storage container includes a bottom plate, a plurality of sidewalls connected to the bottom plate, and a lamp support part integrally formed to protrude on a front surface of the bottom plate to support the lamp, and by the bottom plate and the plurality of sidewalls. The lamp is stored in a defined storage space.

In order to achieve the above object of the present invention, a display device according to an embodiment includes a backlight unit, a display panel, and a storage container. The backlight unit emits light with improved optical characteristics. The display panel displays an image using light with improved optical characteristics. The storage container includes a bottom plate, a plurality of sidewalls connected to the bottom plate, and a lamp support part integrally formed to protrude on a front surface of the bottom plate to support the lamp, and by the bottom plate and the plurality of sidewalls. The backlight unit and the display panel are stored in a defined storage space.

According to such a storage container, and a backlight assembly and a display device having the same, by forming the lamp supporter integrally with the bottom mold, it is possible to reduce the mold cost, material cost, assembly time, etc. required to separately provide the lamp supporter, thereby reducing the manufacturing cost It is possible to block the light leakage phenomenon generated on the back of the storage container.

Hereinafter, with reference to the accompanying drawings, it will be described in detail the present invention.

1 is an exploded perspective view of a liquid crystal display according to an exemplary embodiment of the present invention. In particular, FIG. 1 is an exploded perspective view of a liquid crystal display device having a direct type lamp unit.

Referring to FIG. 1, a liquid crystal display device provides a display unit 100 for displaying a video signal having an electrical shape by visually adjusting the amount of light transmitted through a liquid crystal, and provides light to the display unit 100. It consists of a backlight unit 200 for.

The display unit 100 includes a liquid crystal panel 110 for displaying an image using liquid crystal, driving PCBs 120 and 130 for applying a driving signal to the liquid crystal panel 110, and the liquid crystal panel 110. ) And TCPs 140 and 150 which reduce the planar area of the liquid crystal display while electrically connecting the driving PCBs 120 and 130 to each other.

Specifically, the driving PCB (120, 130) is composed of a data PCB 120 attached to the data line side of the liquid crystal panel 110, and a gate PCB 130 attached to the gate line side, TCP diagram It is composed of a data side TCP 140 and a gate side TCP 150.

The liquid crystal panel 110 implements a screen, and includes a thin film transistor (TFT) substrate 111, a color filter substrate 113 facing the TFT substrate 111, and the TFT substrate ( And a liquid crystal layer (not shown) injected between the 111 and the color filter substrate 113. The TFT substrate 111 is a substrate referred to as an array substrate and is a transparent glass substrate in which a switching element TFT (not shown) is arranged in a matrix form. Data and gate lines are respectively connected to the source and gate terminals of the TFTs, and a pixel electrode made of indium tin oxide (ITO), which is a transparent conductive material, is formed at the drain terminal.

The color filter substrate 113 is a substrate formed by a thin film process by forming a black matrix layer formed between an RGB pixel, which is a color pixel expressed in a predetermined color by light passing through, and each pixel of RGB, to increase contrast. . The common electrode made of ITO is coated on the front surface of the color filter substrate 113.

The data line formed on the liquid crystal panel 110 is electrically connected to the data PCB 120 through the data side TCP 140, and the gate line is connected to the gate PCB 130 through a gate side TCP 150. Is electrically connected to the Therefore, the data and gate PCBs 120 and 130 that receive electrical signals from the outside transmit the drive and timing signals for controlling the driving and timing of the display unit 100. Are transmitted to the gate line and the data line provided in the TFT substrate 111 of the liquid crystal panel.

On the other hand, the backlight unit 200 is disposed above the lamp unit 210 for generating light, the lamp unit 210 is diffused to emit light so as to have a uniform luminance distribution provided from the lamp unit 210 The diffusion plate 230 and a lamp reflection plate 220 disposed below the lamp unit 210 to reflect the light provided from the lamp unit 210 to the diffusion plate 230.

Although the lamp unit 210 shows a plurality of lamps having a bar shape (I-shaped) arranged in parallel, a U-shaped lamp and an S-shaped lamp may be used. In addition, the lamp may be used as a cold cathode fluorescent lamp (CCFL) having an internal lamp electrode or an external electrode lamp (EEFL) having an external lamp electrode. In addition, the lamp unit 210 as a light source may be replaced with a light-emitting diode (LED).

The lamp 210, the lamp reflector 220, and the diffuser 230 are accommodated in the storage container to be protected and fixed from an external impact. The storage container includes a first side mold 242, a second side mold 246, a bottom mold 250, and an upper mold 260. The first and second side molds 242 and 246, the bottom mold 250, and the upper mold 260 are made of an injection moldable material and manufactured by an injection molding machine.                     

The bottom mold 250 accommodates the lamp reflector 220, a plurality of lamps 210, and first and second side molds 242 and 246. The bottom mold 250 is preferably made of polycarbonate (PC, Polycarbonate). This is because the polycarbonate is a material having excellent mechanical reliability such as injection moldability, thermal durability and impact reliability.

Lamp supporters 251a supporting the lamps 210 are integrally formed on the front surface of the bottom mold 250. The lamp supporters 251a support the bodies of the I-shaped lamps 210 to be seated. Holes 222 are formed in the reflector plate 220 to correspond to the lamp supporters 251a.

A control PCB 270 connected to the data PCB 120 through the FPCB 121 is disposed on the bottom of the bottom mold 250. The FPCB 121 is inserted into a connector (not shown) provided in the control PCB 270 to receive a signal for driving the liquid crystal panel 110 from the control PCB 270 and the data PCB 120. To feed.

In FIG. 1, an illustration of a substrate cover that is fastened to the bottom mold 250 while covering the control PCB 270 is omitted to prevent impurities introduced from the outside from adversely affecting the control PCB 270.

The upper mold 260 is disposed on the diffusion plate 230. The upper mold 260 is in contact with the diffusion plate 230 and fixed while pressing the diffusion plate 230 toward the first and second side molds 242 and 246. In addition, the liquid crystal panel 110 is seated on the upper mold 260. The data PCB 120 connected to the liquid crystal panel 110 may be disposed on sidewalls of the bottom mold 250 or may be disposed on a bottom surface of the bottom mold 250.

The gate PCB 130 connected to the liquid crystal panel 110 may be disposed on sidewalls of the bottom mold 250 or may be disposed on a bottom surface of the bottom mold 250.

Subsequently, in order to prevent the display unit 100 seated on the diffusion plate 230 from being separated from the outside, the upper chassis 400 having the upper and lower surfaces of the upper and lower surfaces of the liquid crystal panel 110 may be opened. Is placed. The top chassis 400 presses the periphery of the liquid crystal panel 110 and fixes the liquid crystal panel 110 to the bottom mold 250 through engagement with the bottom mold 250.

As described above, the lamp supporter is integrally formed by changing the bottom chassis, which is generally made of metal, to the bottom mold, which is an injection molding, thereby reducing the manufacturing cost and weight of the backlight assembly and the liquid crystal display.

FIG. 2 is an enlarged perspective view of a portion of the side mold illustrated in FIG. 1. For convenience of description, the second side mold 246 is shown.

Referring to FIG. 2, the diffusion plate 230 and various optical sheets are mounted on the upper surface 247 of the second side mold 246. For convenience of description, the optical sheets are omitted and only the diffusion plate 230 is shown.

The second diffuser plate fixing part 248 and the second optical sheet fixing part 249 are disposed on the upper surface 247 of the second side mold 246, respectively.

The second diffuser plate fixing part 248 is formed to protrude from the upper surface 247 of the second side mold 246, and engages with the second diffuser plate recess 231 of the diffuser plate 230. The diffusion plate 230 is prevented from flowing while guiding the diffusion plate 230.

The second optical sheet fixing part 249 is formed to protrude on the upper surface of the second diffusion plate fixing part 248 and is coupled to the grooves formed in the optical sheets to prevent the optical sheet from flowing. The second optical sheet fixing part 249 may be formed on the upper surface 247 of the second side mold 246 instead of the upper surface of the second diffusion plate fixing part 248.

Although not shown, the first diffusion plate coupled to the first diffusion plate recess of the diffusion plate 230 in the same manner as the second side mold also guides the diffusion plate 230 in the first side mold 242. It is apparent that the fixing portion and the optical sheet fixing portion are formed. The first diffusion plate fixing part and the second diffusion plate fixing part may be disposed to face each other, or may be disposed to be offset from each other.

<Example-1 of the bottom mold>

3 is a front perspective view of the bottom mold illustrated in FIG. 1. 4 is a rear perspective view of the bottom mold illustrated in FIG. 1.

1 to 4, the bottom mold 250 according to the embodiment of the present invention includes a bottom plate 251 and a lamp supporter 251a protruding in the + z-axis direction from the front of the bottom plate 251. And first, second, third and fourth sidewalls 252, 253, 254 and 255 extending from the bottom plate 251 and protruding in the + z-axis direction to define a predetermined storage space. It is formed on the back surface of the plate 251, and includes a first and second ribs (251b, 251c) protruding in the -z-axis direction to reinforce the bending strength of the bottom plate (251).

The first sidewall 252 extends from the first edge of the bottom plate 251 and protrudes in the + z-axis direction. The first sidewall 252 includes protrusions 252a protruding in the -x-axis direction. A plurality of holes 252b in which an edge area of the bottom plate 251 is opened are formed between the protrusions 252a adjacent to each other. The plurality of holes 252b may receive a lamp holder that covers the end of the lamp in the future.

The second sidewall 253 is connected to one side of the first sidewall 252, extends from the second edge of the bottom plate, and protrudes in the + z-axis direction. A plurality of holes 253a are formed in the second sidewall 253. The bottom mold 250 is fastened to the upper mold 260 through the plurality of holes 253a.

The third sidewall 254 is connected to one side of the second sidewall 253, extends from the third edge of the bottom plate 251, and protrudes in the + z-axis direction. The third sidewall 254 includes protrusions 254a that protrude in the + x-axis direction. A plurality of holes 254b in which the edge region of the bottom plate 251 is opened between the protrusions 254a adjacent to each other are formed. Each of the plurality of holes 254b receives a lamp holder in the future.

The fourth sidewall 255 is connected to the other side of the first sidewall 252 and the other side of the third sidewall 254, respectively, and extends from the fourth edge of the bottom plate 251 to have a + z-axis. Protrude in the direction. A plurality of holes 255a are formed in the fourth sidewall 255. The bottom mold 250 is fastened to the upper mold 260 through the plurality of holes 255a.

A plurality of first ribs 251 b are formed on the rear surface of the bottom plate 251 in parallel with the first side walls 252 and the third side walls 254 to reinforce the bending strength in the y-axis direction. .

A plurality of second ribs 251c are formed on the rear surface of the bottom plate 251 in parallel with the second sidewall 253 and the fourth sidewall 255 to reinforce the bending strength in the x-axis direction.

In the above description, the first and second ribs 251b and 251c are formed on the bottom surface of the bottom plate 251 to reinforce the bending strength of the bottom plate 251. However, the bottom mold 250 of FIG. The first rib 251b may be omitted, the second rib 251c may be omitted, and the first and second ribs 251b and 251c may be omitted.

5 is a cross-sectional view of the bottom mold illustrated in FIG. 3 taken along a cutting line I-I '. In particular, a bottom mold having a lamp supporter 251a formed on the front surface of the bottom plate is shown.

Referring to FIG. 5, lamp supporters 251a are formed on the front surface of the bottom plate 251 to protrude in the + z-axis direction to support the body of the lamp. The lamp supporter 251a includes a support member 251a1 protruding in the + z-axis direction from the front of the bottom plate, and a first wing extending in the -y-axis and + z-axis directions from the support member 251a1. And a second wing member 251a3 extending in the + y-axis and + z-axis directions from the support member 251a1. The first wing member 251a2 and the second wing member 251a3 support the body of the lamp to be seated.

The first sidewall 252 extending from the edge of the bottom plate 251 is connected to the first member 252c protruding in the + z-axis direction and connected to the first member 252c in the + x-axis direction. And a second member 252d that protrudes, and a third member 252e that protrudes in the -z-axis direction while being connected to the second member 252d. In FIG. 5, the first member 252c protrudes at an angle of 90 degrees from the bottom plate 251, but may protrude at an acute angle smaller than 90 degrees.

The second sidewall 253 extending from the edge of the bottom plate 251 is connected to the fourth member 253b protruding in the + z-axis direction and connected to the fourth member 253b in the -y-axis direction. And a fifth member 253c that protrudes, and a sixth member 253d that protrudes in the -z-axis direction while being connected to the fifth member 253c. A plurality of holes 253a are formed in the fifth member 253c for fastening the upper mold 260 in the future. In FIG. 5, the fourth member 253b protrudes from the bottom plate 251 at an angle of 90 degrees. However, the fourth member 253b may protrude at an acute angle smaller than 90 degrees.

The bottom surface of the bottom plate 251 has a first rib 251b extending in the y-axis direction parallel to the first sidewall 252 to reinforce the rigidity of the bottom mold 250, and the second sidewall A second rib 251c is formed extending parallel to 253 in the x-axis direction. In FIG. 5, the first rib 251b is formed to reinforce the y-axis rigidity of the bottom mold, and the second rib 251c is formed to reinforce the x-axis rigidity. Only ribs may be formed. In addition, the above-described first and second ribs 251b and 251c may be omitted.

FIG. 6 is a plan view of the bottom mold illustrated in FIG. 1 viewed from the front. 7 is a plan view of the upper mold shown in FIG.

1 to 7, the upper mold 260 has a frame shape defined by four sidewalls. Holes for fastening with the optical sheet fixing part 249 formed in the first and second side molds 242 and 246 are formed in two sidewalls 262 and 264 parallel to the y-axis direction among the four sidewalls. 262a and 264a are formed.

The upper mold 260 extends from the side walls, respectively, and protrudes in an inward direction, and first to sixth hook fastening portions 263a1, 263a2, 263a3, and 265a1 protruding from the stepped portion in the -z-axis direction. , 265a2 and 265a3, and hooks to the first to sixth fastening holes 253a1, 253a2, 253a3, 255a1, 255a2, and 255a3 formed in the bottom mold 250, respectively. The stepped portion supports optical sheets stacked sequentially in the -z-axis direction from the + z-axis. The optical sheets include a diffusion sheet, light collecting sheets, and a protective sheet.

<Example-2 of the bottom mold>

8 is a perspective view of a portion of the bottom mold according to the second embodiment of the present invention. In particular, a bottom mold is shown in which a triangular-shaped protrusion is formed between a lamp supporter and a lamp supporter adjacent to each other in front of the bottom plate.

Referring to FIG. 8, first and second lamp supporters 351a and 351b protrude in the + z-axis direction and support the body of the lamp on the front surface of the bottom plate 351, and the first and second lamp supporters. Protrusions 351c formed between 351a and 351b are formed. As shown in FIG. 4, the lamp supporter 351a protrudes in the + z-axis direction from the front of the bottom plate, and extends in the -y- and + z-axis directions from the support member. And a first wing member and a second wing member extending in the + y-axis and + z-axis directions from the support member. The first wing member and the second wing member support the body of the lamp to be seated while defining a U-shape. The protrusion 351c extends in the x-axis direction. The protrusion 351c serves to reinforce the strength of the bottom plate 351. In addition, as the sheet-shaped reflector is disposed on the protruding portion 351c, it serves to minimize the dark portions generated between the lamps adjacent to each other. In FIG. 8, although the first lamp supporter 351a and the second lamp supporter 351b adjacent to each other are arranged on the same line, they may be alternately arranged.

The first sidewall 352 extending from the edge of the bottom plate 351 is connected to the first member 352c protruding in the + z-axis direction and connected to the first member 352c in the + x-axis direction. And a second member 352d that protrudes, and a third member 352e that protrudes in the -z-axis direction while being connected to the second member 352d. 8 illustrates that the first member 352c protrudes from the bottom plate 351 at an angle of 90 degrees, but may protrude with an acute angle smaller than 90 degrees.

The second sidewall 353 extending from the edge of the bottom plate 351 is connected to the fourth member 353b protruding in the + z-axis direction and connected to the fourth member 353b in the -y-axis direction. And a fifth member 353c that protrudes, and a sixth member 353d that protrudes in the -z-axis direction while being connected to the fifth member 353c. A plurality of holes 353a are formed in the fifth member 353c for fastening the first and second side molds 242 and 246 in the future. In FIG. 8, the fourth member 353b protrudes from the bottom plate 351 at an angle of 90 degrees. However, the fourth member 353b may protrude at an acute angle smaller than 90 degrees.

The bottom surface of the bottom plate 351 extends in the x-axis direction in parallel with the second sidewall 353 and a first rib 351d extending in the y-axis direction in parallel with the first sidewall 352. Second rib 351e is formed.

<Example-3 of Bottom Mold>

9 is a perspective view of a portion of the bottom mold according to the third exemplary embodiment of the present invention. In particular, the bottom mold 450 including the lamp supporter and the diffusion plate support member formed on the front surface of the bottom plate is shown.

Referring to FIG. 9, first and second lamp supporters 451a and 451b protruding in the + z-axis direction to support the lamp body on the front surface of the bottom plate 451, and the support of the diffuser plate to be seated in the future. Diffusion plate support members 451c are formed between the first and second lamp supporters 451a and 451b.

As shown in FIG. 4, the lamp supporter 451a protrudes in the + z-axis direction from the front of the bottom plate, and extends in the -y-axis and + z-axis directions from the support member. And a first wing member and a second wing member extending in the + y-axis and + z-axis directions from the support member. The first wing member and the second wing member support the body of the lamp to be seated while defining a U-shape. In FIG. 9, although the first lamp supporter 451a and the second lamp supporter 451b adjacent to each other are disposed on the same line, they may be alternately arranged.

The diffusion plate support member 451c is formed of a conical boss formed integrally with the bottom mold 450 to support the diffusion plate 230 to be seated. Of course, the diffusion plate support member may be a variety of shapes, such as pyramidal shape, hexahedral shape, triangular pyramid shape. Holes 222 are formed in the reflector plate 220 corresponding to the diffusion plate support members 451c.

The first side wall 452 extending from the edge of the bottom plate 451 is connected to the first member 452c protruding in the + z-axis direction and connected to the first member 452c in the + x-axis direction. And a second member 452d that protrudes, and a third member 452e that protrudes in the -z-axis direction while being connected to the second member 452d. In FIG. 9, the first member 452c protrudes at an angle of 90 degrees from the bottom plate 451. However, the first member 452c may protrude at an acute angle smaller than 90 degrees.

The second side wall 453 extending from the edge of the bottom plate 451 is connected to the fourth member 453b protruding in the + z-axis direction and connected to the fourth member 453b in the -y-axis direction. And a fifth member 453c that protrudes, and a sixth member 453d that protrudes in the -z-axis direction while being connected to the fifth member 453c. The fifth member 453c is provided with a plurality of holes 453a for fastening the first and second side molds 242 and 246 in the future. In FIG. 9, the fourth member 453b protrudes at an angle of 90 degrees from the bottom plate 451. However, the fourth member 453b may protrude at an acute angle smaller than 90 degrees.

The bottom surface of the bottom plate 451 extends in the x-axis direction in parallel with the second side wall 453 and a first rib 451d extending in the y-axis direction in parallel with the first side wall 452. Second rib 451e is formed.

As described above, according to the present invention, by implementing a bottom mold having a lamp supporter integrally formed with a relatively inexpensive material compared to a metal material, it is possible to reduce the mold cost, material cost, assembly time, etc. required to separately provide a lamp supporter Can reduce the manufacturing cost.

In addition, in the past, the light leakage phenomenon occurred on the rear surface through the fastening of the lamp supporter and the bottom chassis, but according to the present invention, since the lamp supporter is integrally formed in the bottom mold, the light leakage phenomenon may be blocked.

In addition, the bottom mold may be made of a material that is relatively lighter than that of the metal material, thereby reducing the weight of the backlight assembly and the weight of the liquid crystal display device employing the backlight assembly.

In addition, since the material is injection-molded, compared to the metal material, rattle noise generated after the backlight assembly is fastened can be reduced.

Although described above with reference to the embodiments, those skilled in the art can be variously modified and changed within the scope of the invention without departing from the spirit and scope of the invention described in the claims below. I can understand.

Claims (22)

Bottom plate; A plurality of side walls extending from an edge of the bottom plate to define a certain receiving space; And And a lamp supporter which is integrally formed to protrude on the front surface of the bottom plate and supports the lamp to be stored. The storage container of claim 1, wherein the bottom plate, sidewalls, and the lamp support part are made of a plastic material. The storage container of claim 1, wherein the bottom plate, sidewalls, and the lamp support part are made of a polycarbonate material. The storage container of claim 1, wherein a part of an area where the bottom plate and the side wall meet is opened. The method of claim 1, wherein the lamp support portion, A first protruding member protruding from a front surface of the bottom plate; And And a second protruding member connected to the first protruding member and surrounding a portion of an outer circumferential surface of the lamp. The storage container according to claim 1, wherein the lamp support part is formed parallel to the long side of the bottom plate. The storage container according to claim 1, wherein the lamp support part is formed parallel to a short side of the bottom plate. The storage container of claim 1, wherein a plurality of holes are formed in an edge area of the bottom plate. The storage container according to claim 8, wherein the plurality of holes are formed corresponding to the short sides of the bottom plate. The storage container according to claim 8, wherein a protruding member protruding in the protruding direction of the side wall is formed in an area corresponding to the holes adjacent to each other. The storage container according to claim 1, further comprising a strength reinforcing portion formed on a rear surface of the bottom plate to reinforce the bending strength of the bottom plate. A lamp for emitting light; And A storage space defined by the bottom plate and the plurality of sidewalls, the lamp having a bottom plate, a plurality of sidewalls connected to the bottom plate, and a lamp support part integrally formed to protrude on a front surface of the bottom plate to support the lamp. And an accommodating container for accommodating the lamp. The backlight assembly of claim 12, wherein the storage container is made of a material capable of injection molding. 13. The backlight assembly of claim 12, further comprising a reflective layer covering the front surface of the bottom plate. The backlight assembly of claim 14, wherein the reflective layer is made of an aluminum-based material. The backlight assembly of claim 14, wherein surfaces of the reflective layer have relatively different heights. 13. The backlight assembly of claim 12, further comprising a reflective layer covering the surface of the lamp support. The backlight assembly of claim 12, further comprising a reflective sheet covering the bottom plate, the opening corresponding to the lamp support. The backlight assembly of claim 12, wherein the storage container further comprises a reflective layer formed on a front surface of the bottom plate and an inner surface of the side wall. A backlight unit including a lamp and emitting light having improved optical characteristics; A display panel configured to display an image using light having improved optical characteristics; And A storage space defined by the bottom plate and the plurality of sidewalls, the lamp having a bottom plate, a plurality of sidewalls connected to the bottom plate, and a lamp support part integrally formed to protrude on a front surface of the bottom plate to support the lamp. And a first storage container accommodating the backlight unit and the display panel. The method of claim 20, wherein the backlight unit further comprises a diffusion plate disposed on the lamp, A first side mold having a first diffuser plate fixing part coupled to a first diffuser plate depression formed in the diffuser plate to guide the diffuser plate; A second side mold having a second diffuser plate fixing part coupled to a second diffuser plate depression formed in the diffuser plate to guide the diffuser plate; And And a second storage container fastened to the first storage container while supporting the display panel to be seated. The method of claim 21, wherein the backlight unit further comprises an optical sheet, And each of the first and second side molds further comprises an optical sheet fixing part for fixing the optical sheets.

Images