KR20060068912A - Tray unit for package back light assembly - Google Patents

Abstract

Disclosed is a packaging tray unit of a backlight assembly which is easy to receive a backlight assembly, is capable of stacking a plurality of layers, and prevents inflow of foreign substances from the outside. The packaging tray unit includes a cover portion and a main body portion. The cover prevents the introduction of foreign objects during storage and transportation of the backlight assembly. The body portion has a bottom having a plurality of internal pedestals for supporting the backlight assembly, and a plurality of sides formed upwardly at the edge of the bottom to guide the backlight assembly. Foreign matter may be prevented from flowing into the backlight assembly during storage and transportation, and foreign matter may be prevented from occurring due to contact between the backlight assembly and the packaging tray.

Description

TRAY UNIT FOR PACKAGE BACK LIGHT ASSEMBLY}

1 is a perspective view illustrating a packaging tray unit of a backlight assembly according to an exemplary embodiment of the present invention.

FIG. 2 is a cross-sectional view taken along the line II ′ of FIG. 1.

3 is a cross-sectional view taken along the line II-II ′ of FIG. 1.

4 is a plan view showing a lower surface of the main body according to the first embodiment of the present invention.

5A is a diagram showing an embodiment in which the packaging tray unit according to the first embodiment of the present invention is introduced into an automated process.

5B is a view schematically showing a shape in which a plurality of packaging tray units are stacked according to the first embodiment of the present invention.

6 is a view showing a packaging tray unit of a backlight assembly according to a second embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

100: cover 200: main body

110: reinforcement 210: external support

220: upper surface portion 221: first groove                 

222: cover support 223: second groove

224: external pedestal 225: internal pedestal

226: protruding jaw 227: separation groove

228: guide 240: side

241: third groove 260: lower surface portion

The present invention relates to a packaging tray unit of a backlight assembly of the present invention, and more particularly, to a packaging tray unit of a backlight assembly that can effectively block foreign substances introduced from the outside and can be applied to an automated process.

In general, a display device is used to output predetermined data as an image. In particular, the liquid crystal display (Liquid Crystal Display) is one of the flat panel display device that displays the image by using the liquid crystal (Liquid Crystal), thinner and lighter than other flat panel display device, low driving voltage and low power consumption There is an advantage in that it is widely used throughout the industry.

The liquid crystal display includes a thin film transistor (hereinafter referred to as a TFT) substrate, a color filter substrate facing the TFT substrate, and an electric signal interposed between the two substrates to change light transmittance. And a liquid crystal display panel made of liquid crystal.                         

Further, since the liquid crystal display device includes a non-light emitting device that does not emit light by the liquid crystal display panel for displaying an image, a backlight assembly having a separate light source for supplying light is required.

The backlight assembly may include a light source for generating light, a light guide plate for converting light emitted from the light source into a surface light source, and transmitting the light to the liquid crystal display panel, and disposed between the light guide plate and the liquid crystal display panel. Optical sheets for improving luminance characteristics.

The backlight assembly is generally transported and stored in a protective vinyl and a box for transport / storage while the surface of the backlight assembly is covered with a wrap for transport or storage for the production operation of the liquid crystal display. Therefore, when the backlight assembly is directly put into production, it is not suitable for an automated process because the packaging of each backlight assembly is disassembled and transported in a transporting tool, which causes a problem in that productivity is reduced.

In addition, there is a problem in that the packaging material cost is increased for the packaging of each backlight assembly, thereby increasing the production cost of the liquid crystal display.

In addition, foreign matter is generated and introduced into the backlight assembly due to the packaging of the backlight assembly, the packaging separation operation, and the transport operation of the backlight assembly, thereby changing the luminance and the transmission path of the light provided to the liquid crystal display panel.

An object of the present invention for solving the above problems is to prevent foreign matter from entering the backlight assembly during storage and transport of the packaging tray of the backlight assembly, while suppressing the generation of foreign substances due to contact between the backlight assembly and the packaging tray unit and at the same time automated It is to provide a packaging tray unit applicable to the process.

In order to achieve the above object of the present invention, a packaging tray unit of a backlight assembly according to one feature includes a cover part and a main body part. The cover part prevents the inflow of foreign objects during the storage and transport operation of the backlight assembly. The body portion has a bottom having a plurality of internal pedestals for supporting the backlight assembly, and a plurality of sides formed upwardly at an edge of the bottom to guide the backlight assembly.

The cover part includes a reinforcing bar that maintains a predetermined shape by improving strength. In addition, the cover part is made of a translucent material to identify whether the backlight assembly is inserted.

The main body portion has guide bars protruding inward to guide the insertion of the backlight assembly on each of the first and second sides facing each other among the plurality of sides.

In addition, the main body portion has a guide for protruding inwardly to guide the insertion of the backlight assembly on each of the third and fourth sides facing each other of the plurality of sides, the separation for separation of the inserted backlight assembly; Grooves are formed.

The main body further includes side portions extending downward from the plurality of side portions, and some side portions of the side portions are formed with a lift opening for separating the stacked packaging trays.

The main body further includes side portions extending downward from the plurality of side portions, and some side portions of the side portions are formed with a first opening for separating the stacked packing trays, and at the edges of the side portions adjacent to each other. A second opening for preventing abrasion may be formed.

According to the packaging tray unit of the backlight assembly, foreign matters can be prevented from occurring due to inflow into the backlight assembly or contact between the backlight assembly and the main body during storage and transportation of the backlight assembly.

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

1 is a perspective view illustrating a packaging tray unit of a backlight assembly according to a first embodiment of the present invention.

Referring to FIG. 1, the packaging tray unit of the backlight assembly according to the first embodiment of the present invention includes a cover part 100 and a main body part 200.

The cover part 100 is formed to be coupled to the main body part 200 while completely covering the backlight assembly inserted into the main body part 200. In addition, when the cover part 100 is combined with the main body part 200 due to its size and weight, the cover part 100 is struck downward from the outer part to the center part. This comes into contact with the backlight assembly to be inserted, and foreign matters are generated by contact with each other, which causes problems in light luminance and light transmission direction of the liquid crystal display device to be produced.

In order to prevent this problem, the cover 100 is formed with a reinforcement 110. For example, the reinforcing table 110 is formed in a shape in which a predetermined area of the central portion of the cover part 100 protrudes upward, and forms a slaughter pattern connecting the protruding area from the outer surface of the cover part 100. As a result, the supporting strength of the shape of the cover part 100 is increased, and thus, contact with the backlight assembly inserted into the main body part 200 is prevented.

In addition, the cover part 100 includes a support part 120 extending downward while having a predetermined length at the edge of the cover part 100 to prevent the flow of the cover part 100 when coupled with the main body part 200. ) Is formed.

For example, the cover part is formed of ABS (Acrylonitrile Butadiene Styrene) resin, vacuum molded, and in an automated process, the automation equipment is manufactured to be translucent to check whether the backlight assembly is inserted through a sensor.

The main body 200 includes an upper surface portion 220, a side portion 240, and a lower surface portion 260.

The upper surface portion 220 forms a first groove 221, a cover support 222, and a second groove 223. The backlight assembly is inserted into the first groove 221. The cover support 222 supports the cover part 100 mounted in the second groove 223. The cover part 100 is mounted in the second groove 223 to cover the backlight assembly, thereby preventing foreign matter from entering the backlight assembly.

In addition, when a plurality of packing tray units are stacked in a predetermined area of the outer surface of the upper surface part 220, the bottom and the bottom of the first groove of the main body part which is in contact with the main body parts of the packing tray units stacked on the upper part are stacked. An outer pedestal 224 is formed to have a predetermined length to prevent contact with the backlight assembly inserted into the first groove of the main body portion located in the.

A plurality of first grooves 221 are formed in one main body 200. Since the main body 200 according to the exemplary embodiment of the present invention is formed by injection molding, a mold frame is manufactured to have a plurality of first grooves 221 according to the size of the backlight assembly to be inserted, thereby providing a plurality of first grooves. 221 can be formed.

For example, in the case of the backlight assembly used for 19 inches, the first side of the main body part 200 and the second side facing each other, that is, the region shown by a in FIG. 1 is formed to be 985 mm and face the third side. When the fourth side of the beam, that is, the region shown by b in FIG. 1 is formed at 1150 mm, four first grooves may be formed.

In addition, the length of each side of the main body 200 may be changed by the size of the production line into which the main body is directly injected, and may be changed according to the size of the backlight assembly inserted into the packaging tray unit. That is, the packaging tray unit of the backlight assembly according to an embodiment of the present invention controls the number of the first grooves 221 formed in the main body 200, thereby transporting the backlight assembly used in the small and large display devices. And can be used for storage.

The first groove 221 is formed in the direction of the lower surface portion 260 from the upper surface portion 220 of the main body portion, the backlight assembly is inserted. The first groove 221 includes a bottom portion 221a, a first side portion 221b, a second side portion 221c, a third side portion 221d, and a fourth side portion 221e.

The bottom portion 221a includes a first region 221aa and a second region 221ab.                     

The first region 221aa is formed to extend from the first to fourth side portions 221b, 221c, 221d, and 221e to predetermined lengths, respectively. The first region 221aa is provided with a plurality of internal pedestals 225 for supporting the backlight assembly when the backlight assembly is inserted.

In addition, in the first region 221aa, the backlight assembly to be inserted is spaced apart from the bottom 221a by a predetermined distance, so as to protect the inserted backlight assembly from an impact that can be directly transmitted from the lower portion, and at a predetermined position of the first region 221aa. A plurality of protrusions 226 may be formed. Protruding jaw 226 is formed in a form extending to the respective side portions (221b, 221c, 221d, 221e) at a predetermined position of the first region (221aa), if formed in a shape that can horizontally support the inserted backlight assembly It is enough.

In addition, when a plurality of protruding jaw 226 is formed, it is preferable that a plurality of internal pedestals 225 are respectively formed at a predetermined position of the protruding jaw 226.

The second region 221ab is formed at a portion other than the first region 221aa in the bottom portion 221a, and a through hole is formed to reduce the weight.

The first side 221b is formed to guide the insertion of the backlight assembly upwards from the edge of the bottom 221a. To this end, the guide 228a having the same height as the first side 221b is formed on the first side 221b.

The guide 228a is formed to protrude from the first side portion 221b to the first region 221aa. In addition, the guide 228a extends from the upper surface portion 220 to prevent foreign substances due to collision between the main body 200 and the backlight assembly during insertion of the backlight assembly, and to enhance the convenience of the insertion operation. The connection between the face and the side where the backlight assembly contacts is rounded.

The second side portion 221c faces the first side portion 221b and is formed with a guide 228c protruding into the first region 221aa to guide the insertion of the backlight assembly.

In addition, the second side portion 221c is equipped with a controller (not shown) for controlling the driving of the light sources mounted on the backlight assembly, and the controller includes a plurality of guides 228c formed on the second side portion 221c. It is formed so as to be located between it can prevent the flow of the controller during the transfer of the main body 200.

In addition, as shown in FIG. 1, when a plurality of first grooves 221 are formed, the shapes of the respective side portions are formed to be symmetrical to be applicable to an automated process. That is, a plurality of first grooves having substantially the same shape are formed.

The third side portion 221d is formed in a common adjacent region of the first side portion 221b and the second side portion 221c, and guides 228b protruding into the first region 221aa to guide the insertion of the backlight assembly. Is formed. In addition, the third side portion 221d forms a separation groove 227a in order to facilitate work when the inserted backlight assembly is separated from the main body 200.

The shape of the guide 228b is formed in substantially the same shape as the guide 228a formed on the first side portion 221b. In FIG. 1, the guide 228b is formed in an area adjacent to the separation groove 226, but is not limited thereto and may be freely formed in a predetermined area of the third side portion 221d.                     

The fourth side portion 221e faces the third side portion 221d and is formed in a substantially same shape as the third side portion 221d. That is, the guide 228d protruding into the first region 221aa is formed to guide the insertion of the backlight assembly, and the separation groove 227b is provided to facilitate the operation when the backlight assembly is separated from the main body 200. ) Is formed. The shape of the guide 228d is described above through the second side portion 221c, and thus the overlapping description thereof will be omitted.

According to the shape of the first groove 221, when the backlight assembly is inserted into the main body 200, it is possible to prevent the backlight assembly from hitting the shape of the first groove 221. In addition, by reducing the contact area between the main body 200 and the backlight assembly, it is possible to suppress the generation of foreign substances due to the contact between the main body 200 and the backlight assembly.

The cover support 222 is formed at a predetermined height from the second groove 223 so that the cover portion 100 does not contact the backlight assembly when the cover portion 100 and the main body 200 are coupled to each other. The cover part 100 may be supported by the cover support 222 on the upper part of the backlight assembly, and may prevent the backlight assembly from being in contact with the cover part 100. To this end, the height of the cover support 222 is preferably formed to be the same as the height of the support 120 formed in the cover 100.

The second groove 223 is formed to be coupled to the support part 120 of the cover part 100. In addition, the connection portion of the second groove 223 and the cover support 222 is introduced from the outside, or have a predetermined inclination so as to facilitate the cleaning of the foreign matter generated by the contact of the cover portion 100 and the main body portion 200. It is preferable to form. The depth of the second groove 223 is formed at the same height as that of the support part 120 of the cover part 100. In addition, the width of the second groove 223 is mounted to the support portion 120 of the cover portion 100, and is formed to have a constant width in consideration of the convenience of washing.

The main body 200 is, for example, formed of Modified Polyphenylene Oxide (MPPO), which is a kind of engineering plastic.

The side portion 240 extends downward from the first to fourth side portions 221b, 221c, 221d, and 221e so that a plurality of packing tray units may be stacked through the outer pedestal 224 formed in each. That is, the outer side of the outer pedestal 224 has a first inclination with respect to the upper surface portion 220, and downward from the outermost angle of the outer pedestal 224 extending from the respective sides 221b, 221c, 221d, and 221e. It is formed to a predetermined length. In addition, the inner side of the side portion 240 is formed to have a second inclination with respect to the upper surface portion 220 in the inner side of the outer pedestal 224 due to the same formation cause as the outer side. In addition, the inner side of the side portion 240 may be formed in a vertical direction with respect to the upper surface portion 220. Therefore, the outer pedestal extending upward of the upper surface is formed in the shape of a trapezoid in cross section.

In addition, a part of the side part 240 is formed with an opening 242 for a lift to separate the stacked packing tray units. That is, the lower end of the side portion 240 facing each other forms an opening 242 in a predetermined region, whereby a lift of an automation facility is inserted when a packaging tray unit is provided in an automated process, and thus a plurality of stacked parts are stacked. Form to lift the packaging tray unit.

In addition, a third groove 241 is formed at at least one edge of the side portions adjacent to each other of the main body 200 to disassemble the packaging of the packaging tray unit itself. For example, the packaging tray unit is provided as an automated line in a state in which about 20 packaging tray units are stacked, and the packaging tray unit is wrapped with the wrapping paper throughout the stacked state in order to prevent foreign substances into the backlight assembly. Therefore, in order to facilitate disassembly of the wrapping paper, at least one corner is formed with a third groove 241 extending downward from the upper surface portion.

The lower surface portion 260 has a support (not shown) having a predetermined length in the direction of the first groove 221 adjacent to the side surface portion 240 to support the outer pedestal 224 formed on the upper surface portion 220. Detailed description thereof will be described with reference to FIGS. 2 to 4.

2 is a cross-sectional view taken along the line II ′ of FIG. 1, FIG. 3 is a cross-sectional view taken along the line II-II ′ of FIG. 1, and FIG. 4 is a plan view showing a lower surface of the main body according to the first embodiment. to be.

In order to facilitate understanding, the same components as those of FIG. 1 will use the same reference numerals.

1 to 4, the main body 200 of the packaging tray unit of the backlight assembly according to an embodiment of the present invention has a first groove 221 into which the backlight assembly is inserted from the outside where the outer pedestal 224 is formed. A constant space 261 is formed in the lower surface part which reaches (). In the space 261, when a plurality of main body parts are stacked, an outer pedestal of a main body part positioned below is inserted.

In addition, when the plurality of body parts are stacked in the space 261 in the direction of the first groove 221 from the outer pedestal 224 and the extended side surface portion 240, the support for supporting the external pedestal formed on the main body portion located above the space 261. A support 262 is formed. The support 262 is formed at a predetermined distance from the outer pedestal 224 so as to space the backlight assembly inserted into the body portion positioned below and the bottom of the first groove of the body portion positioned above. In addition, when a plurality of main body parts are stacked, in order to ensure sufficient supporting force and to prevent shock during transportation, the main body part 200 is formed in a J-shape extending from the inner side of the main body part 200 to the back surface of the upper part of the main body part 200. do.

In addition, as shown in Figure 4, the support 262 is formed in a plurality from each side in the lower portion of the main body portion 200 of the packaging tray unit. Therefore, when a plurality of main body parts are stacked, it is possible to support a strong compressive load received by the main body parts located at the lowest end.

In addition, the support 262 is formed in a circular cross section, the diameter is formed of 2 to 5mm. Preferably, the diameter of the support 262 is formed to 2mm.

In addition, a lower region of the main body 200 exposes a second region, which is an area 221ab formed in a shape that is opened in the bottom portion 221a of the main body 200 illustrated in FIG. 1. Therefore, by reducing the manufacturing cost of the main body 200 and reducing the weight of the main body 200, it is possible to increase the convenience of transportation and to reduce the compressive load received by the main body located at the bottom when a plurality of trays are stacked. have.

1 and 3, in the packaging tray unit according to an exemplary embodiment of the present invention, an opening 242 for a lift is formed at a lower end of each facing side of the main body 200. In addition, the rear surface of the second groove 223 extends to the same position as the formation position of the opening portion 242 at the bottom of the side portion to support the lift (lift) of the automated equipment, thereby raising the projection 263 for lifting the packaging tray unit Is formed. This will be described in detail with reference to FIG. 5.

5A is a view showing an embodiment in which the packaging tray unit according to the first embodiment of the present invention is introduced into an automated process, and FIG. 5B is a shape in which a plurality of packaging tray units according to the first embodiment of the present invention are stacked. Figure is a schematic diagram.

Referring to FIG. 5A, a packaging tray unit according to an embodiment of the present invention is stacked in plural through an outer pedestal 224 and a support 262 to be introduced into an automated process. For example, when the packaging tray unit is put into the production line, about 20 packaging tray units are transferred in a stacked state. In addition, a method of lifting the main body except for the lowest main body by inserting it into the production line, inserting the main body located at the lowest end into the line, and separating the backlight assembly inserted into the inserted main body is used. To this end, the lift 300 of the automation facility is inserted into the lift opening 242 formed in the side part 240 of the main body 200, and the side part 240 and the protrusion 263 contacting the lift 300 of the automation facility. The main body 200 is horizontally supported by the.

Therefore, the lowermost packaging tray unit is provided as an automation facility in the state which lifted the main body part except the packaging tray unit located in the lowest stage among the several stacked packaging tray units.

In addition, for this purpose, as shown in FIG. 5B, the main body 500 located at the bottom has a strength sufficient to support the compressive load of the main body 200 located at the top, and at the same time, the main body 500 located at the top. The lower surface of the 200 and the backlight assembly inserted into the first groove 510 of the main body 500 positioned under the lower portion should be formed so as not to contact.

Accordingly, the support 262 is formed at a predetermined distance from the outer pedestal 224. Accordingly, even when a plurality of backlight assemblies are inserted and stacked in a plurality of backlight assemblies, the main body of the backlight assembly may prevent the compressive load due to the main bodies disposed at the upper portion from being transmitted to the backlight assembly inserted at the lower portion of the backlight assembly.

6 is a view showing a packaging tray unit of a backlight assembly according to a second embodiment of the present invention.

Referring to FIG. 6, the packaging tray unit 600 according to the second embodiment of the present invention includes a cover part 700 and a main body part 800.

The upper surface portion 810 and the lower surface portion 830 of the cover portion 700 and the main body portion 800 are formed in the same shape as the first embodiment of the present invention, which will not be repeated herein. Shall be.

The side portion 820 of the main body 800 is formed such that the outer surface has a predetermined inclination with respect to the upper surface portion 810. In addition, a predetermined region of the lower side of the side portion 820 of the main body 800 forms a first opening 840 into which a lift (not shown) of the automation facility is inserted. In addition, a lower end of each corner of the side portion 820 is formed by the second opening 850. When the second opening 850 is inserted into the packaging tray unit 600 in an automated process, the main body 800 moves through a transfer device including a roller, and the roller and the main body 800 contact each other. Due to this, breakage occurs in the corner portion of the main body 800. Therefore, by forming the second openings 850 at the corners of the main body 800, it is possible to prevent the main body 800 from being damaged.

According to the present invention as described above, the backlight assembly is inserted into the main body of the packaging tray unit to prevent foreign substances caused by the backlight assembly or the contact between the backlight assembly and the main body during storage and transport and at the same time applied to the automated process It is possible.

In addition, by providing a guide for guiding insertion when the backlight assembly is inserted, the insertion operation can be easily performed, and the backlight assembly can be safely supported.

In addition, by preventing the external impact that can be directly transmitted to the backlight assembly from the lower portion of the main body of the backlight assembly by forming a projection jaw, it is possible to protect the backlight assembly safely.

In addition, by forming the inner pedestal locally to reduce the contact area of the backlight assembly and the body portion, it is possible to prevent the generation of foreign matters due to the contact of the backlight assembly and the body portion.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art will 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 that you can.

Claims (7)

A cover part to prevent foreign material from entering during storage and transport of the backlight assembly; And A packaging tray unit of a backlight assembly comprising a bottom portion having a plurality of internal pedestals for supporting a backlight assembly, and a main body portion having a plurality of sides formed upwardly at an edge of the bottom portion to guide the backlight assembly. According to claim 1, Each of the first and second sides of the plurality of sides facing each other is formed with a guide protruding inward to guide the insertion of the backlight assembly, Each of the third and fourth sides facing each other among the plurality of sides may include a guide bar protruding inward to guide the insertion of the backlight assembly, and a separation groove for separating the inserted backlight assembly. Packaging tray unit of the backlight assembly. The packaging of the backlight assembly of claim 1, further comprising side portions extending downward from the plurality of sides, wherein some of the side portions are formed with a lift opening for separating the stacked packaging trays. Tray unit. The apparatus of claim 1, further comprising side portions extending downward from the plurality of sides, wherein some of the side portions are provided with a first opening for separating the stacked packaging trays, and edges of the side portions adjacent to each other. The packaging tray unit of the backlight assembly, characterized in that the second opening is formed for preventing wear. The packaging tray unit of claim 1, wherein the cover part includes a reinforcing bar that improves strength and maintains a predetermined shape. The packaging tray unit of claim 1, wherein the cover part is made of ABS resin. The packaging tray unit of claim 6, wherein the cover part is made of a translucent material.

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