KR20050026779A - Supporting member of liquid crystal display device, backlight assembly and liquid crystal display device having the same - Google Patents

Abstract

A supporting member, a back light assembly and an LCD(Liquid Crystal Display) device are provided to enhance display quality of the LCD device by constantly maintaining a distance spaced between a plurality of lamps and a diffusing member. A supporting member includes a base substrate(221), a plurality of lamp clips(222a,222b), a supporting part(223) and a plurality of fixing clips(224a,224b). Each of the lamp clips has a shape protruding toward an upper side of the base substrate and secures a lamp(210) for emitting light. The supporting part has a shape protruding toward an upper side of the base substrate and supports a diffusing member(230) for diffusing and emitting the light from the lamp. Each of the fixing clips has a shape protruding toward a lower side of the base substrate and is coupled to a container(280) for containing the lamp.

Description

SUPPORTING MEMBER OF LIQUID CRYSTAL DISPLAY DEVICE, BACKLIGHT ASSEMBLY AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME}

The present invention relates to a support member for a liquid crystal display device, a backlight assembly having the same, and a liquid crystal display device, and more particularly, to a support member for a liquid crystal display device, a backlight assembly having the same, and a liquid crystal display device for improving display quality. .

In general, a liquid crystal display device displays an image using a liquid crystal having electrical characteristics. The liquid crystal display includes a liquid crystal display panel that displays an image corresponding to an image signal using light, and a backlight assembly that provides light to the liquid crystal display panel.

The backlight assembly is classified into an edge type backlight assembly and a direct type backlight assembly according to the position of the light source generating light.

The edge type backlight assembly includes one or more light sources on the side of the light guide plate. The direct type backlight assembly includes a plurality of light sources corresponding to an effective display area in which an image of the liquid crystal display panel is displayed, and the plurality of light sources directly irradiate light directly onto the front surface of the liquid crystal display panel.

The direct backlight assembly includes a diffuser plate positioned between the plurality of light sources and the liquid crystal display panel, a support member for maintaining a separation distance between the plurality of light sources and the diffuser plate, and reflecting the light leaked from the plurality of light sources to the diffuser plate. And a storage container for accommodating a plurality of light sources.

The support member is interposed between the reflecting plate and the diffusion plate and is seated on the reflecting plate. The support member has a lamp clip for inserting the lamp and a support for supporting the diffuser plate. The lamp clip fixes the position of the support member by inserting the lamp. At this time, since the position of the support member changes when the bonding force with the lamp is lowered, the gap between the diffuser plate and the lamp cannot be maintained uniformly, so that the display quality is degraded.

An object of the present invention is to provide a support member for a liquid crystal display device for improving display quality.

In addition, an object of the present invention is to provide a backlight assembly to which the support member for the liquid crystal display device is applied.

It is also an object of the present invention to provide a liquid crystal display device to which the backlight assembly is applied.

According to one aspect of the present invention, a support member for a liquid crystal display device includes a base substrate, a lamp clip, a support part, and a fixing clip.

The lamp clip fixes the lamp that protrudes upward from the base substrate to generate light. The support part protrudes upward from the base substrate and supports a diffusion member that diffuses and emits light incident from the lamp. The fixing clip protrudes downward from the base substrate and is fastened to the storage container for storing the lamp.

In addition, the backlight assembly according to one feature for realizing the object of the present invention comprises a lamp for generating light, a diffusion member, a support member, a storage container and a light leakage preventing member.

The diffusion member diffuses and emits light incident from the lamp. The support member supports the diffusion member to maintain a uniform distance from the lamp. The storage container has a first coupling hole for engaging with the support member, and accommodates the lamp and the support member. The light leakage preventing member is interposed between the support member and the storage container to prevent the light from leaking through the first coupling hole.

In addition, the liquid crystal display device according to one feature for realizing the above object of the present invention comprises a liquid crystal display panel for displaying an image using light and a backlight assembly for providing uniform light to the liquid crystal display panel.

The backlight assembly includes a lamp for generating the light, a diffusion member, a support member, a storage container, and a light leakage preventing member. The diffusion member diffuses the light incident from the lamp and exits the liquid crystal display panel. The support member supports the diffusion member to maintain a uniform distance from the lamp. The storage container accommodates the lamp and the support member, and has a first coupling hole for engaging with the support member. The light leakage preventing member is interposed between the support member and the storage container to prevent the light from leaking through the first coupling hole.

According to the liquid crystal display device, since the light leakage preventing member can prevent the light from leaking to the outside through the first coupling hole, the display quality of the liquid crystal display device can be improved.

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

1 is a cross-sectional view of a liquid crystal display according to an exemplary embodiment of the present invention.

Referring to FIG. 1, the liquid crystal display device 500 according to the present invention includes a liquid crystal display panel 100 displaying an image using light, a backlight assembly 200 generating the light, and the liquid crystal display panel 100. It includes a first mold frame 300 and the top chassis 400 for receiving the.

In more detail, the liquid crystal display panel 100 includes a thin film transistor substrate (TFT) 110, a color filter substrate 120 and a TFT substrate (10) coupled to face the TFT substrate 110. And a liquid crystal layer (not shown) injected between the color filter substrate 120 and the color filter substrate 120.

The TFT substrate 110 is a transparent substrate in which a switching element TFT (not shown) is formed in a matrix form. The color filter substrate 120 provided to face the TFT substrate 110 is a transparent substrate on which a RGB color pixel, which is a color pixel expressing a predetermined color using the light, is formed by a thin film process.

The backlight assembly 200 is provided under the liquid crystal display panel 100 to provide uniform light to the liquid crystal display panel 100.

The backlight assembly 200 includes a plurality of lamps 210, a support member 220, a diffuser plate 230, a diffuser sheet 240, a reflector plate 250, and the support for diffusing the light. And a light leakage preventing member 260 interposed between the member 220 and the reflector 250, a second mold frame 270 for accommodating the plurality of lamps 210, and a storage container 280. .

Specifically, the plurality of lamps 210 generates light in response to the power supplied from the outside. The plurality of lamps 210 are positioned corresponding to the effective display area in which the image of the liquid crystal display panel 100 is displayed, and irradiate the light to the entire surface of the liquid crystal display panel 100.

The support member 220 is interposed between the diffuser plate 240 and the reflector plate 250 to maintain a constant distance between the diffuser plate 240 and the plurality of lamps 210. The support member 220 is coupled to the plurality of lamps 210 and the storage container 280 is fixed in position.

The diffusion plate 230 and the diffusion sheet 240 are sequentially provided between the plurality of lamps 210 and the liquid crystal display panel 100. The diffusion plate 230 and the diffusion sheet 240 diffuse and condense the light to exit the liquid crystal display panel 100.

The reflector 250 is provided below the plurality of lamps 210. The reflection plate 250 reflects the light leaked from the plurality of lamps 210 toward the diffusion plate 230 to improve light utilization efficiency. The reflective plate 250 is formed with a plurality of coupling holes for coupling with the support member 220.

The light leakage preventing member 260 is interposed between the support member 230 and the reflective plate 250 to prevent the light from leaking through the plurality of first coupling holes.

The second mold frame 270 sequentially receives the plurality of lamps 210, the diffusion plate 230, and the diffusion sheet 240. The second mold frame 270 has a bottom surface partially open and sidewalls surrounding the bottom surface. The plurality of lamps 210 are accommodated in the bottom surface. Steps 271 are formed on the sidewalls to sequentially accommodate the diffusion plate 230 and the diffusion sheet 240.

In this case, the diffusion plate 230 and the plurality of lamps 210 are spaced apart at predetermined intervals. The step 271 supports an edge region of the diffusion plate 230. Accordingly, a phenomenon in which a central portion of the diffusion plate 230 is bent toward the plurality of lamps 210 may occur. The support member 220 supports a central portion of the diffusion plate 230 to maintain a uniform distance between the diffusion plate 230 and the plurality of lamps 210.

The second mold frame 270 is seated on the storage container 280. The storage container 280 accommodates the plurality of lamps 210, and is coupled to the support member 220 to fix the support member 220.

Meanwhile, the first mold frame 300 is mounted on the backlight assembly 200. A portion of the first mold frame 300 is opened to transmit the light emitted from the backlight assembly 200. The first mold frame 300 accommodates the liquid crystal display panel 100 and is combined with the second mold frame 270 to connect the diffusion plate 230 and the diffusion sheet 240 to the second mold frame. Fixed at 270.

The top chassis 400 is provided on the liquid crystal display panel 100. The top chassis 400 is coupled to the storage container 280 so as to face each other to fix the liquid crystal display panel 100 to the first mold frame 300. In this case, the top chassis 400 covers the liquid crystal display panel 100 so that an effective display area in which an image is displayed is opened.

FIG. 2 is a cross-sectional view of the backlight assembly illustrated in FIG. 1, and FIG. 3 is a rear view of the support member illustrated in FIG. 2.

2 and 3, the support member 220 includes a base substrate 221 in contact with the reflective plate 250, a plurality of lamp clips for fixing positions of the plurality of lamps 210, and the diffusion. A support 223 for supporting the plate 230, and a plurality of fixing clips for coupling with the storage container 280.

Specifically, the plurality of lamp clips are composed of first and second lamp clips 222a and 222b. The first and second lamp clips 222a and 222b protrude from the base substrate 221 in a first direction in which the diffusion plate 230 is positioned. In the present exemplary embodiment, the support member 220 includes two lamp clips, but the number of lamp clips may increase or decrease according to the number of the lamps 210.

The first lamp clip 222a is coupled to the first lamp 211 among the plurality of lamps 210 to fix the position of the first lamp 211. The first lamp clip 222a includes first and second wing parts 21 and 22 surrounding a portion of an outer circumferential surface of the first lamp 211. The first and second wings 21, 22 are located opposite each other.

The first and second lamp clips 222a and 222b have the same configuration. Therefore, a detailed description of the first and second lamp clips 222a and 222b will be described using the first lamp clip 222a as an example, and a description of the second lamp clip 222b will be omitted. do.

The second lamp clip 222b inserts a second lamp 212 from among the plurality of lamps 210 to fix the position of the second lamp 212.

The support part 223 is positioned between the first and second lamp clips 222a and 222b. The support part 223 protrudes from the base substrate 221 in the first direction to support the diffusion plate 230.

The plurality of fixing clips protrude from the base substrate 221 toward the reflecting plate 250 to be combined with the reflecting plate 250 and the storage container 280. The plurality of fastening clips consist of first and second fastening clips 224a and 224b. In the present exemplary embodiment, the support member 220 includes two fixing clips, but the number of the fixing clips may be increased or decreased depending on the length of the base substrate 221 and the number of lamp clips.

The first fixing clip 224a is located in correspondence with the first lamp clip 222a, and the second fixing clip 224b is located in correspondence with the second lamp clip 222b. The first and second lamp clips 224a and 224b are formed in an arrow shape and fastened to the storage container 280.

The plurality of coupling holes are formed in the reflective plate 250 to insert the first and second fixing clips 224a and 224b. The plurality of coupling holes may include first and second coupling holes 251 and 252.

The first coupling hole 251 is positioned to correspond to the first lamp clip 224a, and the second coupling hole 252 is located to correspond to the second lamp clip 224b. In the present embodiment, the reflecting plate 250 has two coupling holes, but the number of the coupling holes may be increased or decreased depending on the number of the support members 220 and the number of the lamp clips.

The light leakage preventing member 260 interposed between the reflective plate 250 and the support member 220 includes first and second light leakage preventing members 261 and 262. The first and second light leakage preventing members 261 and 262 may prevent the light from leaking through the first and second coupling holes 251 and 252. In the present exemplary embodiment, the liquid crystal display device 500 includes two light leakage preventing members, but the number of the light leakage preventing members may be increased or decreased according to the number of the coupling holes.

As shown in FIG. 3, the first light leakage preventing member 261 surrounds the peripheral area of the first coupling hole 251, and the second light leakage preventing member 262 of the second coupling hole 252 is formed. Surrounds The first and second light leakage preventing members 261 and 262 are made of a synthetic resin.

The storage container 280 is formed with a plurality of fastening holes corresponding to the plurality of coupling holes, respectively. Among the plurality of fastening holes, a first fastening hole 281 is positioned to correspond to the first coupling hole 251, and the second fastening hole 282 is located to correspond to the second coupling hole 252. The number of fastening holes may be increased or decreased depending on the number of the coupling holes.

The first lamp clip 222a sequentially penetrates through the first coupling hole 251 and the first coupling hole 281 and is fastened to the storage container 280. The second lamp clip 222b sequentially penetrates through the second coupling hole 251 and the second coupling hole 282 and is fastened to the storage container 280.

As described above, the light leakage preventing member 260 according to the present invention can prevent the light from leaking through the plurality of coupling holes and the plurality of fastening holes, thereby improving light utilization efficiency and improving the liquid crystal display device. Improves the display quality.

4 is a cross-sectional view illustrating a backlight assembly according to another exemplary embodiment of the present invention.

Referring to FIG. 4, the backlight assembly 600 according to the present invention has the same configuration as the backlight assembly 200 illustrated in FIG. 1 except for the support member 610, the reflector 620, and the storage container 630. Has Therefore, in the description of the backlight assembly 600, the components having the same configuration as the backlight assembly 200 shown in FIG. 1 are denoted by reference numerals, and detailed descriptions of the functions thereof will be omitted.

FIG. 4 omits the diffusion sheet 240 and the second mold frame 270 in order to more clearly show the coupling relationship between the support member 610 and the storage container 630.

The backlight assembly 600 includes a plurality of lamps 210 for generating light, a support member 610, a diffuser plate 230 for diffusing and emitting the light, and a reflector plate below the support member 610. 620 and the storage container 630.

In more detail, the support member 610 is interposed between the diffusion plate 230 and the reflecting plate 620 to uniformly maintain the separation distance between the plurality of lamps 210 and the diffusion plate 230. do.

In detail, the support member 610 supports the base substrate 611 in contact with the reflecting plate 620, a plurality of lamp clips for fixing positions of the plurality of lamps 210, and the diffusion plate 230. And a plurality of fixing clips for coupling with the storage container 630 and a plurality of light leakage preventing protrusions to prevent the light from leaking to the outside of the backlight assembly 600.

The plurality of lamp clips consists of first and second lamp clips 612a and 612b. The first and second lamp clips 612a and 612b protrude from the base substrate 611 in a first direction in which the diffusion plate 230 is located. In the present exemplary embodiment, the support member 610 includes two lamp clips, but the number of lamp clips may increase or decrease according to the number of the lamps 210.

The first lamp clip 612a is coupled to the first lamp 211 among the plurality of lamps 210 to fix the position of the first lamp 211. The first lamp clip 612a includes first and second wings 61 and 62 which surround a portion of the outer circumferential surface of the first lamp 211. The first and second wings 61, 62 are located opposite each other.

The first and second lamp clips 612a and 612b have the same configuration. Therefore, a detailed description of the first and second lamp clips 612a and 612b will be described using the first lamp clip 612a as an example, and a description of the second lamp clip 612b will be omitted. do.

The second lamp clip 612b fixes the position of the second lamp 212 by inserting a second lamp 212 among the plurality of lamps 210.

The support part 613 is positioned between the first and second lamp clips 612a and 612b. The support part 613 protrudes from the base substrate 611 in the first direction to support the diffusion plate 230.

The plurality of fixing clips protrude from the base substrate 611 toward the reflecting plate 620 to be combined with the reflecting plate 620 and the storage container 630. The plurality of fixing clips are composed of first and second fixing clips 614a and 614b. In the present exemplary embodiment, the support member 610 includes two fixing clips, but the number of the fixing clips may be increased or decreased depending on the length of the base substrate 611 and the number of lamp clips.

The first fixing clip 614a is located in correspondence with the first lamp clip 612a, and the second fixing clip 614b is located in correspondence with the second lamp clip 612b. The first and second lamp clips 614a and 614b are formed in an arrow shape and fastened to the storage container 630.

The plurality of light leakage preventing protrusions are positioned to surround the plurality of lamp clips and protrude from the base substrate 611 toward the reflector plate 620. The plurality of light leakage preventing protrusions may include first and second light leakage preventing protrusions 615a and 615b. In the present embodiment, the support member 610 is provided with two light leakage preventing projections, the light leakage preventing projections are provided in the same number as the fixing clip.

The first light leakage preventing projection 615a is spaced apart from the first lamp clip 614a at a predetermined interval and surrounds the first lamp clip 614a.

The second light leakage preventing protrusion 615b is spaced apart from the second lamp clip 614a at a predetermined interval and surrounds the second lamp clip 614b.

The reflective plate 620 is provided below the support member 610. The reflection plate 620 reflects the light leaked from the plurality of lamps 210 toward the diffusion plate 230 to improve light utilization efficiency.

The reflective plate 620 is formed with a plurality of coupling holes for coupling with the support member 610. The plurality of engaging holes are located corresponding to the plurality of lamp clips, respectively. The first coupling hole 621 is coupled to the first light leakage preventing protrusion 615a to fix the support member 610 among the plurality of coupling holes. Among the plurality of coupling holes, the second coupling hole 622 is coupled to the second light leakage preventing protrusion 615b to fix the support member 610.

The first and the first light leakage preventing protrusions 615a and 615b are inserted into the first and second coupling holes 621 and 622, respectively, to allow the light to pass through the first and second coupling holes 621 and 622. This prevents leakage. In this case, the heights of the first and second light leakage preventing protrusions 615a and 615b are higher than or equal to the thickness of the reflector plate 620.

The storage container 630 is provided under the reflective plate 620. The storage container 630 sequentially accommodates the reflective plate 620 and the plurality of lamps 210. The storage container 630 is formed with a plurality of fastening holes corresponding to the plurality of coupling holes.

Among the plurality of fastening holes, the first fastening hole 631 is positioned to correspond to the first coupling hole 621 and is coupled to the first lamp clip 614a. Among the plurality of fastening holes, the second fastening hole 632 is positioned to correspond to the second coupling hole 622 and is coupled to the second lamp clip 614b. In this case, the first and second light leakage preventing protrusions 615a and 615b contact the peripheral regions of the first and second fastening holes 631 and 632, respectively.

Preferably, the first and second coupling holes 621 and 622 and the first and second fastening holes 631 and 632 are formed with burrings to prevent the first and second light leakage preventing protrusions 615a, The insertion of 615b is facilitated, and the light is prevented from leaking to the outside.

The first lamp clip 614a is fastened to the storage container 630 through the first coupling hole 621 and the first coupling hole 631. The second lamp clip 614b is fastened to the storage container 630 through the first coupling hole 622 and the second coupling hole 632.

As described above, the support member 610 according to the present invention prevents the light from leaking through the first and second coupling holes 621 and 622 and the first and second fastening holes 631 and 6320. And the first and second light leakage preventing protrusions 615a and 615b for preventing the light from the light emitted from the plurality of lamps 210 from leaking to the outside. The display quality of the display device can be improved.

FIG. 5 is a cross-sectional view illustrating a backlight assembly according to still another exemplary embodiment of the present invention, and FIG. 6 is a partial perspective view of the storage container illustrated in FIG. 5.

5 and 6, the backlight assembly 700 according to the present invention may include the backlight assembly 200 illustrated in FIG. 1 except for the support member 710, the reflector 720, and the storage container 730. Has the same configuration as Therefore, in the description of the backlight assembly 700, the components having the same configuration as the backlight assembly 200 shown in FIG. 1 are denoted by reference numerals, and detailed descriptions of the functions thereof will be omitted.

FIG. 5 omits the diffusion sheet 240 and the second mold frame 270 to more clearly show the coupling relationship between the support member 710 and the storage container 730.

The backlight assembly 700 may provide a gap between a plurality of lamps 210 for generating light, a diffuser plate 230 for diffusing and emitting the light, the diffusion plate 230, and the plurality of lamps 210. It includes a support member 710 for maintaining uniformly, a reflecting plate 720 and a storage container 730 located below the support member 710.

In more detail, the support member 710 includes a base substrate 711 in contact with the reflecting plate 720, a plurality of lamp clips for fixing the positions of the plurality of lamps 210, and the diffusion plate 230. Support portion 713 for supporting, and a plurality of fixing clips for coupling with the storage container 630.

The plurality of lamp clips protrude from the base substrate 611 in the first direction in which the diffusion plate 230 is positioned and includes first and second lamp clips 712a and 712b. In the present embodiment, the support member 710 has two lamp clips, but the number of lamp clips may be increased or decreased depending on the number of the lamps 210.

The first lamp clip 712a is coupled to the first lamp 211 among the plurality of lamps 210 to fix the position of the first lamp 211. The first lamp clip 712a includes first and second wings 71 and 72 surrounding a portion of an outer circumferential surface of the first lamp 211. The first and second vanes 71, 72 are located opposite each other.

The first and second lamp clips 712a and 712b have the same configuration. Therefore, a detailed description of the first and second lamp clips 712a and 712b will be described by using the first lamp clip 712a as an example, and the description of the second lamp clip 712b will be omitted. do.

The second lamp clip 712b inserts a second lamp 212 out of the plurality of lamps 210 to fix the position of the second lamp 712.

The support part 713 is positioned between the first and second lamp clips 712a and 712b. The support part 713 protrudes from the base substrate 711 in the first direction to support the diffusion plate 230.

The plurality of fixing clips protrude from the base substrate 711 toward the reflecting plate 720 to be combined with the reflecting plate 720 and the storage container 730. The plurality of securing clips are composed of first and second securing clips 714a and 714b. In the present embodiment, the support member 710 includes two fixing clips, but the number of the fixing clips may be increased or decreased depending on the length of the base substrate 711 and the number of lamp clips.

The first fixing clip 714a is located in correspondence with the first lamp clip 712a, and the second fixing clip 714b is located in correspondence with the second lamp clip 712b. The first and second lamp clips 714a and 714b are formed in an arrow shape and fastened to the storage container 730.

The reflective plate 720 is provided below the support member 710. The reflecting plate 720 reflects the light leaked from the plurality of lamps 210 toward the diffusion plate 230 to improve light utilization efficiency.

The reflection plate 720 is formed with a plurality of coupling holes for inserting the plurality of lamp clips, respectively. The plurality of engagement holes is located corresponding to the plurality of lamp clips. The first lamp clip 714a penetrates through the first coupling hole 721 among the plurality of coupling holes. The second lamp clip 714b penetrates through the second coupling hole 722 of the plurality of coupling holes.

The storage container 730 is provided below the reflective plate 720. The storage container 730 sequentially accommodates the reflecting plate 720 and the plurality of lamps 210.

As shown in FIG. 6, the storage container 730 includes a bottom surface 731 on which the reflecting plate 720 is seated, and a side wall 732 surrounding the bottom surface 731 to form a storage space. .

A plurality of light leakage preventing protrusions 733 are formed on the bottom surface 731 to correspond to the plurality of coupling holes, respectively. The plurality of light leakage preventing protrusions 733 protrude from the bottom surface 731 in the first direction.

Among the plurality of light leakage preventing protrusions 733, a first light leakage preventing protrusion 733a is inserted into the first coupling hole 721. Among the plurality of light leakage preventing protrusions 733, the second light leakage preventing protrusion 733b is inserted into the second coupling hole 722.

The first and second light leakage preventing protrusions 733a and 733b are formed in a circular shape in the same shape as the first and second coupling holes 721 and 722 so that the first and second coupling holes 721 and 722 are formed. It prevents the light from leaking through.

The plurality of light leakage preventing protrusions 733 are formed with a plurality of fastening holes for inserting the plurality of lamp clips. The first fastening hole 734a is formed in the first light leakage preventing protrusion 733a among the plurality of fastening holes, and the second fastening hole 734b is formed in the second light leakage preventing protrusion 733b.

The first and second fastening holes 734a and 734b are located at the center of the first and second light leakage preventing protrusions 734a and 734b, and the peripheral regions of the first and second fastening holes 734a and 734b are In contact with the base substrate 711 of the support member 710.

The first fixing clip 714a is inserted into the first fastening hole 734a and fastened to the storage container 730. The second fixing clip 714b is inserted into the second fastening hole 734b and fastened to the storage container 730.

As described above, the storage container 730 according to the present invention has a plurality of light to prevent the light generated from the plurality of lamps 210 to leak through the first and second coupling holes (721, 722) Light leakage preventing protrusions 733 are formed. Accordingly, the backlight assembly 700 may prevent the light from leaking to the outside and improve display quality of the liquid crystal display.

As described above, according to the present invention, the liquid crystal display includes a support member for maintaining a uniform distance between the plurality of lamps and the diffusion plate. The reflecting plate and the storage container are each formed with a coupling hole and a fastening hole for coupling with the support member. A light leakage preventing member is interposed between the supporting member and the reflecting plate to prevent light from leaking to the outside of the backlight assembly through the coupling hole and the fastening hole. Accordingly, the backlight assembly may improve light utilization efficiency and improve display quality of the liquid crystal display.

In addition, the liquid crystal display includes a support member for maintaining a uniform distance between the diffusion plate and the support member. The reflecting plate and the storage container are each formed with a coupling hole and a fastening hole for coupling with the support member. The support member is inserted into the coupling hole and has a light leakage preventing protrusion for preventing light from leaking to the outside of the backlight assembly through the fastening hole of the storage container. Accordingly, the backlight assembly may improve light utilization efficiency and improve display quality of the liquid crystal display.

In addition, the liquid crystal display includes a support member, a reflecting plate, and a storage container for maintaining a constant distance between the plurality of lamps and the diffusion plate. The reflection plate is formed with a coupling hole for coupling with the support member. The storage container is provided with a light leakage preventing protrusion for preventing light leakage through the coupling hole. The light leakage preventing protrusion is formed with a fastening hole for coupling with the support member, and inserted into the coupling hole to contact the support member. As a result, the light leakage preventing protrusion may improve light utilization efficiency and improve display quality of the liquid crystal display.

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.

1 is a cross-sectional view of a liquid crystal display according to an exemplary embodiment of the present invention.

FIG. 2 is a cross-sectional view of the backlight assembly illustrated in FIG. 1.

3 is a rear view of the support member shown in FIG. 2.

4 is a cross-sectional view illustrating a backlight assembly according to another exemplary embodiment of the present invention.

5 is a cross-sectional view illustrating a backlight assembly according to another embodiment of the present invention.

FIG. 6 is a partial perspective view illustrating the storage container illustrated in FIG. 5.

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

100: liquid crystal display panel 200, 600, 700: backlight assembly

210: lamp 220, 610, 710: support member

230: diffuser 250, 620, 720: reflector

260: light leakage preventing member 280, 630, 730: storage container

Claims (35)

A base substrate; A lamp clip for fixing a lamp protruding upward from the base substrate to generate light; A support part protruding upward from the base substrate to support a diffusion member which diffuses and emits light incident from the lamp; And And a fixing clip which protrudes downward from the base substrate and is fastened to a storage container for storing a lamp. A lamp for generating light; A diffusion member for diffusing and radiating the light incident from the lamp; A support member for supporting the diffusion member to maintain a uniform distance from the lamp; A fastening hole for coupling with the support member, the accommodating container for accommodating the lamp and the support member; And And a light leakage preventing member interposed between the support member and the storage container to prevent light from leaking through the fastening hole. The backlight assembly of claim 2, wherein the light leakage preventing member is formed adjacent to the fastening hole so as to surround the fastening hole. The method of claim 2, wherein the support member, A base substrate; A lamp clip protruding upward from the base substrate to fix the lamp; A support part protruding upward from the base substrate to support the diffusion member; And And a fixing clip protruding downward from the base substrate and inserted into the fastening hole and fastened to the storage container. The backlight assembly of claim 2, further comprising a reflector disposed between the support member and the storage container to reflect the light leaked from the lamp to the diffusion member. The backlight assembly of claim 5, wherein the reflective plate is formed to correspond to the fastening hole, and a coupling hole coupled to the support member is formed. The backlight assembly of claim 6, wherein the light leakage preventing member is positioned between the reflective plate and the support member and is adjacent to the coupling hole to surround the coupling hole. The backlight assembly of claim 2, wherein the light leakage preventing member is made of a synthetic resin. A lamp for generating light; A diffusion member for diffusing and emitting the light; A fastening hole is formed and a storage container for storing the lamp; And And a support member for supporting the diffusion member to uniformly maintain the separation distance from the lamp by supporting the diffusion member to prevent the light from leaking to the outside through the fastening hole. The method of claim 9, wherein the support member, A base substrate; A lamp clip protruding upward from the base substrate to fix the lamp; A support part protruding upward from the base substrate to support the diffusion member; And A fixing clip protruding downward from the base substrate and inserted into the fastening hole and fastened to the storage container, The light leakage preventing protrusion is formed adjacent to the fastening hole to protrude downward from the base substrate to surround the fastening hole, the backlight assembly, characterized in that the contact with the storage container. The backlight assembly of claim 10, wherein the light leakage preventing protrusion is spaced apart from the fixing clip at a predetermined interval and surrounds the fixing clip. The backlight assembly of claim 9, wherein the fastening hole has a burring formed in a direction in which the support member is positioned. The backlight assembly according to claim 9, further comprising a reflecting plate interposed between the support member and the storage container to reflect the light leaked from the lamp toward the diffusion member. The backlight assembly of claim 13, wherein the reflection plate is provided with a coupling hole for inserting the light leakage preventing protrusion. The backlight assembly of claim 14, wherein a height of the light leakage preventing protrusion is greater than or equal to a thickness of the reflector. The backlight assembly of claim 14, wherein the coupling hole has a burring in a direction in which the support member is located. A lamp for generating light; A diffusion member for diffusing and radiating the light incident from the lamp; A support member for supporting the diffusion member to maintain a uniform distance from the lamp; And And a light receiving protrusion protruding in the direction in which the lamp is positioned and a fastening hole positioned in the light leakage preventing protrusion and engaging with the support member, and a storage container for accommodating the lamp and the support member. The method of claim 17, wherein the support member, A base substrate; A lamp clip protruding upward from the base substrate to fix the lamp; A support part protruding upward from the base substrate to support the diffusion member; And And a fixing clip protruding downward from the base substrate and inserted into the fastening hole and fastened to the storage container. The backlight assembly of claim 18, wherein the light leakage preventing protrusion is in contact with the base substrate. 18. The backlight assembly of claim 17, further comprising a reflecting plate interposed between the lamp and the storage container to reflect the light leaked from the lamp to the diffusion member. 21. The backlight assembly of claim 20, wherein the reflector is provided with a coupling hole for inserting the light leakage preventing protrusion. A liquid crystal display panel for displaying an image using light; And A lamp for generating the light, a diffusion member for diffusing the light incident from the lamp and exiting the liquid crystal display panel, a support member for supporting the diffusion member to maintain a uniform distance from the lamp, and the support member A backlight assembly having a fastening hole formed therein for engaging with the lamp and having the lamp therein, and a light leakage preventing member interposed between the support member and the storage container to prevent leakage of light through the fastening hole. Liquid crystal display device comprising. The liquid crystal display of claim 22, wherein the light leakage preventing member is formed adjacent to the fastening hole so as to surround the fastening hole. The method of claim 22, wherein the support member, A base substrate; A lamp clip protruding upward from the base substrate to fix the lamp; A support part protruding upward from the base substrate to support the diffusion member; And And a fixing clip protruding downwardly from the base substrate and inserted into the fastening hole and fastened to the storage container. 23. The liquid crystal display of claim 22, wherein the backlight assembly further comprises a reflecting plate interposed between the support member and the storage container to reflect the light leaked from the lamp to the diffusion member. 27. The liquid crystal display device according to claim 25, wherein the reflection plate is provided with a coupling hole for coupling with the support member in correspondence with the fastening hole. 27. The liquid crystal display device according to claim 26, wherein the light leakage preventing member is positioned between the reflecting plate and the support member and is adjacent to the coupling hole to surround the coupling hole. A liquid crystal display panel for displaying an image using light; And A lamp for generating the light, a diffusion member for diffusing the light and exiting the liquid crystal display panel, a fastening hole formed therein, a housing for accommodating the lamp, and preventing the light from leaking to the outside through the fastening hole And a back light assembly having a light leakage preventing projection for supporting the diffusion member to maintain a uniform distance from the lamp. The method of claim 28, wherein the support member, A base substrate; A lamp clip protruding upward from the base substrate to fix the lamp; A support part protruding upward from the base substrate to support the diffusion member; And A fixing clip protruding downward from the base substrate and inserted into the fastening hole and fastened to the storage container, And the light leakage preventing protrusion is formed adjacent to the fastening hole so as to protrude downward from the base substrate to surround the fastening hole and contact the storage container. 29. The liquid crystal display device according to claim 28, wherein the backlight assembly further includes a reflecting plate interposed between the support member and the storage container to reflect the light leaked from the lamp to the diffusion member. 31. The liquid crystal display device according to claim 30, wherein the reflection plate is provided with a coupling hole for inserting the light leakage preventing protrusion. A liquid crystal display panel for displaying an image using light; And A lamp for generating the light, a diffusion member for diffusing the light to exit the liquid crystal display panel, a support member for supporting the diffusion member to maintain a uniform distance from the lamp, and a direction in which the lamp is positioned And a backlight assembly having a light leakage preventing protrusion protruding from the light leakage protrusion, and a fastening hole formed in the light leakage preventing protrusion and engaging with the support member, and having a storage container for accommodating the lamp and the support member. The method of claim 32, wherein the support member, A base substrate; A lamp clip protruding upward from the base substrate to fix the lamp; A support part protruding upward from the base substrate to support the diffusion member; And And a fixing clip protruding downwardly from the base substrate and inserted into the fastening hole and fastened to the storage container. 33. The liquid crystal display device according to claim 32, wherein the backlight assembly further comprises a reflecting plate interposed between the lamp and the storage container to reflect the light leaked from the lamp to the diffusion member. 35. The liquid crystal display device according to claim 34, wherein the reflection plate is provided with a coupling hole for inserting the light leakage preventing protrusion.