Apparatus for attaching reflective sheet

Abstract

A reflective sheet attachment device that allows a reflective sheet, which is seated on the front of a rear chassis fixed with a plurality of supports, to be attached to the front of the rear chassis by avoiding the plurality of supports, comprises a base on which the rear chassis is seated so that the reflective sheet faces upward, a movable member provided to be movable in a first direction on the base, and a roller rotatably provided on the movable member to press the reflective sheet and attach the reflective sheet to the rear chassis. The roller is provided divided into a plurality along a second direction perpendicular to the first direction so as to avoid the plurality of supports.

Description

Technology Field

[0001] The disclosed invention relates to a reflective sheet attachment device capable of attaching a reflective sheet to a rear chassis while avoiding interference with a supporter fixed to the rear chassis. Background Technology

[0002] Generally, a display device is a device that displays an image, and monitors and televisions fall into this category. A display device is a type of output device that converts acquired or stored electrical information into visual information and displays it to a user, and it is used in various fields, such as homes and workplaces.

[0003] Display devices include monitor devices connected to personal computers or server computers, portable computer devices, navigation terminal devices, general television devices, Internet Protocol Television (IPTV) devices, portable terminal devices such as smartphones, tablet PCs, Personal Digital Assistants (PDAs), or cellular phones, various display devices used to play images such as advertisements or movies in industrial settings, or various other types of audio / video systems.

[0004] The display device may include a display panel, a backlight unit that emits light to the display panel, and a rear chassis to which the display panel and the backlight unit are fixed. A reflective sheet that reflects light emitted through the rear surface of a light guide plate forward may be attached to the front of the rear chassis.

[0005] One aspect of the disclosed invention provides a reflective sheet attachment device that can attach a reflective sheet to a rear chassis by avoiding interference with a supporter fixed to the rear chassis.

[0006] One aspect of the disclosed invention provides a reflective sheet attachment device capable of attaching a reflective sheet to a rear chassis by uniformly pressing the reflective sheet.

[0007] The technical problems to be solved in this document are not limited to those mentioned above, and other unmentioned technical problems will be clearly understood by those skilled in the art to which this invention belongs from the description below.

[0008] A reflective sheet attachment device according to one embodiment of the disclosed invention, which allows a reflective sheet to be attached to the front of a rear chassis having a plurality of fixed supports while avoiding the plurality of supports, comprises a base on which the rear chassis is mounted so that the reflective sheet faces upward, a movable member provided to be movable in a first direction on the base, and a roller rotatably provided on the movable member to press the reflective sheet and attach the reflective sheet to the rear chassis. The roller is provided divided into a plurality of parts in a second direction perpendicular to the first direction so as to avoid the plurality of supports.

[0009] A reflective sheet attachment device according to one embodiment of the disclosed invention, which allows a reflective sheet to be attached to the front of a rear chassis having a plurality of fixed supports by avoiding the plurality of supports, comprises: a base on which the rear chassis is mounted so that the reflective sheet faces upward; a pressing member provided to be movable in the vertical direction on the base and to press the reflective sheet to attach the reflective sheet to the rear chassis; and a pad including a plurality of supporter avoidance holes provided to press the reflective sheet by the pressing member and to avoid the plurality of supports.

[0010] A reflective sheet attachment device according to one embodiment of the disclosed invention, which allows a reflective sheet to be attached to the front of a rear chassis having a plurality of fixed supports while avoiding the plurality of supports, comprises: a base on which the rear chassis is mounted so that the reflective sheet faces upward; a movable member movably provided on the base; a roller rotatably provided on the movable member and which presses the reflective sheet to attach the reflective sheet to the rear chassis; and a pad comprising a plurality of supporter avoidance holes that are pressed by the roller to press the reflective sheet and avoid the plurality of supports. Brief explanation of the drawing

[0011] FIG. 1 is an exploded view of a display device according to one embodiment. FIG. 2 is a drawing illustrating a reflective sheet according to one embodiment being seated on the front of a rear chassis. FIG. 3 is a drawing showing a reflective sheet according to one embodiment seated on the front of a rear chassis. FIG. 4 is a drawing showing a rear chassis mounted on a reflective sheet attachment device according to one embodiment. FIG. 5 is an enlarged view of section A of FIG. 4. FIG. 6 is a drawing illustrating a reflective sheet attachment device according to one embodiment. FIG. 7 is a drawing showing a rear chassis seated on the base of a reflective sheet attachment device according to one embodiment, and a pad provided on the upper part of the reflective sheet seated on the rear chassis. FIG. 8 is a drawing showing a supporter accommodated in a supporter avoidance hole provided in a pad according to one embodiment. FIG. 9 is a drawing showing a rear chassis seated on the base of a reflective sheet attachment device according to one embodiment, and a pad provided on the upper part of the reflective sheet seated on the rear chassis. FIG. 10 is a drawing showing a supporter accommodated in a supporter avoidance hole provided in a pad according to one embodiment. Specific details for implementing the invention

[0012] The embodiments described in this disclosure and the configurations illustrated in the drawings are merely preferred examples of the disclosure, and various modifications that may replace the embodiments and drawings of this disclosure may exist at the time of filing this application.

[0013] Additionally, the same reference numerals or symbols presented in each drawing of the present disclosure represent parts or components that perform substantially the same function.

[0014] Furthermore, the terms used in this disclosure are for describing embodiments and are not intended to limit or / or restrict the disclosure. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this disclosure, terms such as "comprising" or "having" are intended to specify the presence of the features, numbers, steps, actions, components, parts, or combinations thereof described in the disclosure, and do not preclude the existence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof.

[0015] Additionally, in the present disclosure, each of the phrases such as “A or B”, “at least one of A and B”, “at least one of A or B”, “A, B or C”, “at least one of A, B and C”, and “at least one of A, B, or C” may include any one of the items listed together in the corresponding phrase, or all possible combinations thereof.

[0016] Additionally, the term "and / or" includes a combination of multiple related described components or any of the multiple related described components.

[0017] Additionally, terms including ordinal numbers, such as "first," "second," etc., used in this disclosure may be used to describe various components, but said components are not limited by said terms, and said terms are used solely for the purpose of distinguishing one component from another. For example, without departing from the scope of this disclosure, the first component may be named the second component, and similarly, the second component may be named the first component. The term "and / or" includes a combination of a plurality of related described items or any of a plurality of related described items.

[0018] Furthermore, in this disclosure, the meaning of "identical" includes items that are similar in attributes or similar within a certain range. Additionally, "identical" means "substantially identical." The meaning of "substantially identical" should be understood as including within the scope of "identical" numerical values ​​that fall within the margin of error in manufacturing or differences that do not hold significance relative to a reference value.

[0019] In addition, terms such as "~part," "~unit," "~block," "~part," and "~module" may refer to a unit that processes at least one function or operation. For example, the above terms may refer to at least one piece of hardware such as an FPGA (field-programmable gate array) or ASIC (application specific integrated circuit), at least one piece of software stored in memory, or at least one process processed by a processor.

[0020] Meanwhile, terms such as "front," "rear," "left," and "right" used in the following description are defined based on the drawings, and the shape and position of each component are not limited by these terms.

[0021] Hereinafter, embodiments according to the present invention will be described in detail with reference to the attached drawings.

[0022] FIG. 1 is an exploded view of a display device according to one embodiment.

[0023] As illustrated in FIG. 1, the display device may include a display panel (10) on which an image is displayed. The display device may include a light source module (20) positioned behind the display panel (10) to emit light to the display panel (10). The display device may include a light guide plate (30) positioned behind the display panel (10) to guide light emitted from the light source module (20) to the display panel (10). The display device may include an optical sheet (40) positioned between the display panel (10) and the light guide plate (30) to improve the optical characteristics of the light guided to the display panel (10) by the light guide plate (30). The display device may include a reflective sheet (50) positioned behind the light guide plate (30) to reflect light emitted through the rear surface of the light guide plate (30) forward. The display device may include a rear chassis (60) positioned behind the display panel (10) to form part of the rear exterior of the display device. The display device may include a rear cover (not shown) that is coupled to the rear of the rear chassis (60) to form the rear exterior of the display device.

[0024] The display panel (10) is composed of a liquid crystal display panel using liquid crystal and may include a thin film transistor substrate (not shown) on which a thin film transistor (TFT) is formed, a color filter substrate (not shown) facing the thin film transistor substrate, and a liquid crystal (not shown) provided between the thin film transistor substrate and the color filter substrate.

[0025] The thin-film transistor substrate may be a transparent glass substrate on which a thin-film transistor, which is a switching element, is formed in a matrix form.

[0026] A data line is connected to the source terminal of the thin-film transistors, a gate line is connected to the gate terminal, and a pixel electrode made of a transparent conductive material can be connected to the drain terminal.

[0027] The color filter substrate may be a substrate formed by a thin-film process in which RGB (Red, Green, Blue) pixels, which are color pixels that express a predetermined color when light passes through, are arranged oppositely to the thin-film transistor substrate at a certain distance. A common electrode made of a transparent conductive material may be formed on the front surface of the color filter substrate.

[0028] In a display panel (10) having the above configuration, when power is applied to the gate terminal of a thin-film transistor, an electric field is formed between the pixel electrode and the common electrode, and the arrangement of the liquid crystal interposed between the thin-film transistor substrate and the color filter substrate can be changed by the electric field.

[0029] The display panel (10) can form an image by adjusting the arrangement of liquid crystals, but since it cannot emit light on its own, it can display an image by receiving light from a light source module (20) located on the back of the display panel (10).

[0030] A driving printed circuit board (not shown) that supplies a driving signal to the display panel (10) is disposed at the bottom of the display panel (10), and the display panel (10) and the driving printed circuit board can be electrically connected by a plurality of flexible circuit films (not shown) on which a driving chip (not shown) is mounted on one side.

[0031] A light source module (20) may be positioned behind a display panel (10) that cannot emit light on its own, and may supply light to the display panel (10). The light source module (20) may include a plurality of light sources (21) that emit light to the display panel (10). The plurality of light sources (21) may be provided as a plurality of light-emitting diodes (LEDs).

[0032] The light source module (20) may include a printed circuit board (23) on which a plurality of light sources (21) are mounted. A conductive pattern may be formed on the printed circuit board (23). A plurality of printed circuit boards (23) may be provided. A plurality of printed circuit boards (23) may be mounted on the front of the rear chassis (60).

[0033] The light source module (20) is positioned behind the light guide plate (30) at a certain distance from the light guide plate (30) to irradiate light onto the light guide plate (30), and the light irradiated onto the light guide plate (30) can be directed by the light guide plate (30) and transmitted to the display panel (10).

[0034] The light guide plate (30) is positioned at the rear of the display panel (10) and can guide light irradiated from a plurality of light sources (21) to the display panel (10). The light guide plate (30) can be mounted on the rear chassis (60).

[0035] The optical sheet (40) may include a diffusion sheet that improves the optical characteristics of light guided to the display panel (10) by the light guide plate (30) and improves brightness uniformity by diffusing the light guided through the light guide plate (30), a light-concentrating sheet that aligns the direction of light so that the light diffused by the diffusion sheet can be incident perpendicularly on the display panel (10), and a protective sheet for protecting the light-concentrating sheet.

[0036] The rear chassis (60) can be positioned at the rear of the display panel (10). A light source module (20) can be mounted on the front of the rear chassis (60). A light guide plate (30) can be mounted on the front of the rear chassis (60). A rear cover can be attached to the rear of the rear chassis (60). A plurality of supporters (70) can be fixed to the front of the rear chassis (60).

[0037] FIG. 2 is a drawing illustrating a reflective sheet according to one embodiment being seated on the front of a rear chassis. FIG. 3 is a drawing illustrating a reflective sheet according to one embodiment being seated on the front of a rear chassis.

[0038] In order to clearly show the plurality of supports (70) fixed to the front of the rear chassis (60), the illustration of the light source module (20) including the plurality of light sources (21) and the printed circuit board (23) mounted on the front of the rear chassis (60) has been omitted in FIG. 2. (See FIG. 1)

[0039] As illustrated in FIGS. 2 and 3, a plurality of supporters (70) may be fixed to the front of the rear chassis (60). A reflective sheet (50) that is seated on the front of the rear chassis (60) may include a plurality of supporter penetration holes (51) through which the plurality of supporters (70) pass. The reflective sheet (50) may be seated on the front of the rear chassis (60) such that the plurality of supporter penetration holes (51) pass through the plurality of supporters (70). When the reflective sheet (50) is seated on the front of the rear chassis (60), the reflective sheet (50) can be attached to the front of the rear chassis (60) while avoiding interference with the plurality of supporters (70).

[0040] A plurality of supports (70) fixed to the front of the rear chassis (60) can support the optical sheet (40) to prevent sagging of the optical sheet (40). When sagging of the optical sheet (40) is prevented by the plurality of supports (70), the optical distance between the light guide plate (30) and the optical sheet (40) can be maintained at a constant level. When the optical distance between the light guide plate (30) and the optical sheet (40) is maintained at a constant level, the problem of appearance degradation factors such as dents, foreign matter, and scratches that may occur on the light guide plate (30) being visible on the display panel (10) can be compensated for. (See FIG. 1)

[0041] FIG. 4 is a drawing showing a rear chassis mounted on a reflective sheet attachment device according to one embodiment. FIG. 5 is an enlarged drawing of section A of FIG. 4.

[0042] As illustrated in FIGS. 4 and 5, the reflective sheet attachment device (100) can allow a reflective sheet (50), which is seated on the front of a rear chassis (60) to which a plurality of supporters (70) are fixed, to be attached to the front of the rear chassis (60) by avoiding the plurality of supporters (70).

[0043] The reflective sheet attachment device (100) may include a base (110). A rear chassis (60) may be seated on the upper part of the base (110). The rear chassis (60) may be seated on the upper part of the base (110) such that the reflective sheet (50) seated on the rear chassis (60) faces upward.

[0044] The reflective sheet attachment device (100) may include a movable member (120). The movable member (120) may be provided to be movable in a first direction on a base (110). The first direction may be the direction of the arrow in the drawing. The first direction may be the opposite direction of the arrow in the drawing.

[0045] The reflective sheet attachment device (100) may include a roller (130). The roller (130) may be rotatably provided on a movable member (120). The roller (130) may move and rotate in a first direction together with the movable member (120). The roller (130) may move in a first direction together with the movable member (120) and press the reflective sheet (50). The reflective sheet (50) pressed by the roller (130) may be attached to the rear chassis (60).

[0046] The roller (130) may include a plurality of supporter avoidance sections (131). The plurality of supporter avoidance sections (131) may be formed along a second direction perpendicular to a first direction on the roller (130). The plurality of supporter avoidance sections (131) may allow the roller (130) to avoid a plurality of supporters (70) while moving in the first direction together with the moving member (120) while pressing the reflective sheet (50). The roller (130) may be divided into a plurality along the second direction by the plurality of supporter avoidance sections (131).

[0047] A plurality of supporters (70) fixed to the rear chassis (60) may be arranged irregularly. Since the plurality of supporters (70) are arranged irregularly, a plurality of supporter avoidance sections (131) for avoiding the plurality of supporters (70) may also be provided on the roller (130) at irregular intervals. For example, the plurality of supporter avoidance sections (131) may be provided on the roller (130) at irregular intervals along a second direction.

[0048] Since the roller (130) avoids the multiple supporters (70) by means of the multiple supporter avoidance parts (131) while moving in the first direction together with the moving member (120) while pressing the reflective sheet (50), the roller (130) can uniformly press the reflective sheet (50) and attach it to the rear chassis (60) while avoiding interference from the multiple supporters (70).

[0049] FIG. 6 is a drawing illustrating a reflective sheet attachment device according to one embodiment. FIG. 7 is a drawing illustrating a rear chassis being seated on the base of a reflective sheet attachment device according to one embodiment, and a pad being provided on the upper part of the reflective sheet seated on the rear chassis. FIG. 8 is a drawing illustrating a supporter being received in a supporter avoidance hole provided in the pad according to one embodiment.

[0050] As illustrated in FIGS. 6 to 8, the reflective sheet attachment device (200) can allow a reflective sheet (50), which is seated on the front of a rear chassis (60) to which a plurality of supporters (70) are fixed, to be attached to the front of the rear chassis (60) by avoiding the plurality of supporters (70).

[0051] The reflective sheet attachment device (200) may include a base (210). A rear chassis (60) may be seated on the upper part of the base (210). The rear chassis (60) may be seated on the upper part of the base (210) such that the reflective sheet (50) seated on the rear chassis (60) faces upward.

[0052] The reflective sheet attachment device (200) may include a pressure member (220). The pressure member (220) may be provided to be movable in the vertical direction on the base (210). The pressure member (220) may be provided to be movable in the vertical direction on the upper part of the base (210). The pressure member (220) may press the reflective sheet (50) on the upper part of the base (210). The pressure member (220) may press the reflective sheet (50) by pressing the pad (230) provided on the upper part of the reflective sheet (50), which will be described later, on the upper part of the base (210). The pressure member (220) may attach the reflective sheet (50) to the front of the rear chassis (60) by pressing the pad (230).

[0053] The reflective sheet attachment device (200) may include a pad (230). The pad (230) may be located on the upper part of the reflective sheet (50). The pad (230) may be located between the reflective sheet (50) and the pressure member (220). The pad (230) may be pressed by the pressure member (220) to press the reflective sheet (50).

[0054] The pad (230) may include a plurality of supporter avoidance holes (231) provided to avoid a plurality of supporters (70) fixed to the rear chassis (60). When the pressing member (220) presses the pad (230), a plurality of supporters (70) may be received in each of the plurality of supporter avoidance holes (231) formed in the pad (230). The plurality of supporter avoidance holes (231) may allow the pad (230) to avoid a plurality of supporters (70) when the pressing member (220) presses the pad (230). When the pad (230) is pressed by the pressing member (220), the plurality of supporter avoidance holes (231) avoid the plurality of supporters (70), so the pad (230) can uniformly press the reflective sheet (50) to avoid interference with the plurality of supporters (70) and attach it to the rear chassis (60).

[0055] The pad (230) may be provided by dividing it into multiple parts. The pad (230) may be provided by dividing it into multiple parts in a first direction and a second direction perpendicular to the first direction. The first direction may be the direction of the arrow in the drawing. The first direction may be the opposite direction of the arrow in the drawing. The pad (230) may be formed of an elastic rubber material. Since the pad (230) is formed of an elastic rubber material and is provided by dividing it into multiple parts, when the pressing member (220) presses the pad (230), the pad (230) can uniformly apply the force pressing the reflective sheet (50) per unit area.

[0056] FIG. 9 is a drawing showing a rear chassis seated on the base of a reflective sheet attachment device according to one embodiment, and a pad provided on the upper part of the reflective sheet seated on the rear chassis. FIG. 10 is a drawing showing a supporter received in a supporter avoidance hole provided in the pad according to one embodiment.

[0057] As illustrated in FIGS. 9 and 10, the reflective sheet attachment device (300) can allow a reflective sheet (50), which is seated on the front of a rear chassis (60) to which a plurality of supporters (70) are fixed, to be attached to the front of the rear chassis (60) by avoiding the plurality of supporters (70).

[0058] The reflective sheet attachment device (300) may include a base (310). A rear chassis (60) may be seated on the upper part of the base (310). The rear chassis (60) may be seated on the upper part of the base (310) such that the reflective sheet (50) seated on the rear chassis (60) faces upward.

[0059] The reflective sheet attachment device (300) may include a movable member (320). The movable member (320) may be provided to be movable in a first direction on the base (310). The first direction may be the direction of the arrow in the drawing. The first direction may be the opposite direction of the arrow in the drawing.

[0060] The reflective sheet attachment device (300) may include a roller (330). The roller (330) may be rotatably provided on a movable member (320). The roller (330) may move and rotate in a first direction together with the movable member (320). The roller (330) may move in a first direction together with the movable member (320) and press the reflective sheet (50). The reflective sheet (50) pressed by the roller (330) may be attached to the rear chassis (60).

[0061] The reflective sheet attachment device (300) may include a pad (340). The pad (340) may be formed of a sponge. The pad (340) may be positioned on the upper part of the reflective sheet (50). The pad (340) may be positioned between the reflective sheet (50) and the roller (330). The pad (340) may be pressed by the roller (330) to press the reflective sheet (50).

[0062] The pad (340) may include a plurality of supporter avoidance holes (341) provided to avoid a plurality of supporters (70) fixed to the rear chassis (60). When the roller (330) presses the pad (340), a plurality of supporters (70) may be received in each of the plurality of supporter avoidance holes (341) formed in the pad (340). The plurality of supporter avoidance holes (341) may allow the pad (340) to avoid a plurality of supporters (70) when the roller (330) presses the pad (340). When the pad (340) is pressed by the roller (330), the plurality of supporter avoidance holes (341) avoid the plurality of supporters (70), so the pad (340) can uniformly press the reflective sheet (50) to avoid interference with the plurality of supporters (70) and attach it to the rear chassis (60).

[0064] A reflective sheet attachment device (100) according to one embodiment of the disclosed invention, which allows a reflective sheet (50) to be attached to the front of a rear chassis (60) to avoid the plurality of supports, comprises a base (110) on which the rear chassis is mounted so that the reflective sheet faces upward, a movable member (120) provided to be movable in a first direction on the base, and a roller (130) rotatably provided on the movable member to press the reflective sheet and attach the reflective sheet to the rear chassis. The roller is provided divided into a plurality along a second direction perpendicular to the first direction to avoid the plurality of supports.

[0065] The plurality of supporters are arranged irregularly, and the roller may include a plurality of supporter avoidance parts (131) formed along the second direction to avoid the plurality of supporters arranged irregularly.

[0066] The plurality of supporter avoidance portions may be arranged on the roller at irregular intervals along the second direction.

[0067] When the roller presses the reflective sheet, the plurality of supporter avoidance parts can avoid the plurality of supporters and press the reflective sheet uniformly.

[0068] A reflective sheet attachment device (200) that allows a reflective sheet (50), which is seated on the front of a rear chassis (60) having a plurality of supporters (70) fixed according to one embodiment of the disclosed invention, to be attached to the front of the rear chassis by avoiding the plurality of supporters, comprises a base (210) on which the rear chassis is seated so that the reflective sheet faces upward, a pressing member (220) which is provided to be movable in the vertical direction on the base and presses the reflective sheet to attach the reflective sheet to the rear chassis, and a pad (230) which includes a plurality of supporter avoidance holes (231) that are pressed by the pressing member to press the reflective sheet and avoid the plurality of supporters.

[0069] The above pad may be divided into multiple parts.

[0070] The above pad may be provided by dividing it into a plurality of parts in a first direction and a second direction perpendicular to the first direction.

[0071] The above pad may be formed of an elastic rubber material.

[0072] When the pad presses the reflective sheet, the plurality of supporter avoidance holes can avoid the plurality of supporters and press the reflective sheet uniformly.

[0073] A reflective sheet attachment device (300) that allows a reflective sheet (50), which is seated on the front of a rear chassis (60) having a plurality of supporters (70) fixed according to one embodiment of the disclosed invention, to be attached to the front of the rear chassis by avoiding the plurality of supporters, comprises a base (310) on which the rear chassis is seated so that the reflective sheet faces upward, a movable member (320) movably provided on the base, a roller (330) rotatably provided on the movable member and which presses the reflective sheet to attach the reflective sheet to the rear chassis, and a pad (340) comprising a plurality of supporter avoidance holes (341) that are pressed by the roller to press the reflective sheet and avoid the plurality of supporters.

[0074] The above pad can be formed of a sponge.

[0075] When the pad presses the reflective sheet, the plurality of supporter avoidance holes can avoid the plurality of supporters and press the reflective sheet uniformly.

[0077] According to the present disclosure, a reflective sheet can be attached to the rear chassis while avoiding interference with a supporter fixed to the rear chassis.

[0078] According to the present disclosure, a reflective sheet can be attached to the rear chassis by uniformly applying pressure.

[0079] According to the present disclosure, the adhesion defect of the reflective sheet can be reduced.

[0080] According to the present disclosure, the task of attaching a reflective sheet to the rear chassis can be performed quickly to improve productivity.

[0081] The effects obtainable from the present disclosure are not limited to those mentioned above, and other unmentioned effects will be clearly understood by those skilled in the art to which the present disclosure belongs from the description below.

[0083] In describing the reflective sheet attachment device with reference to the attached drawings above, the description has focused on specific shapes and directions; however, various modifications and changes are possible by a person skilled in the art, and such modifications and changes should be interpreted as being included within the scope of the disclosed invention. Explanation of the symbols

[0084] 10: Display panel 20 : Light source module 21 : Multiple light sources 23 : Printed circuit board 30 : Light guide plate 40 : Optical sheet 50 : Reflective sheet 51 : Supporter through-hole 60: Rear chassis 70 : Supporter 100, 200, 300: Reflective sheet attachment device 110, 210, 310 : Base 120, 320 : Moving member 130, 330: Roller 131: Supporter Evasion Unit 220 : Pressurizing member 230, 340 : Pad 231, 341 : Supporter Evasion Hole

Claims

Claim 1 A reflective sheet attachment device for attaching a reflective sheet, which is seated on the front of a rear chassis fixed with a plurality of supports, to the front of the rear chassis by avoiding the plurality of supports, comprising: a base on which the rear chassis is seated so that the reflective sheet faces upward; a movable member provided to be movable in a first direction on the base; and a roller rotatably provided on the movable member and pressing the reflective sheet to attach the reflective sheet to the rear chassis; wherein the roller is divided into a plurality of portions along a second direction perpendicular to the first direction to avoid the plurality of supports. Claim 2 A reflective sheet attachment device according to claim 1, wherein the plurality of supporters are irregularly arranged, and the roller comprises a plurality of supporter avoidance portions formed along the second direction to avoid the plurality of irregularly arranged supporters. Claim 3 In claim 2, the plurality of supporter avoidance portions are arranged on the roller at irregular intervals along the second direction, forming a reflective sheet attachment device. Claim 4 In claim 2, the reflective sheet attachment device wherein, when the roller presses the reflective sheet, the plurality of supporter avoidance parts avoid the plurality of supporters to uniformly press the reflective sheet. Claim 5 A reflective sheet attachment device for attaching a reflective sheet, which is seated on the front of a rear chassis having a plurality of fixed supports, to the front of the rear chassis by avoiding the plurality of supports, comprising: a base on which the rear chassis is seated so that the reflective sheet faces upward; a pressing member provided to be movable in the vertical direction on the base and pressing the reflective sheet to attach the reflective sheet to the rear chassis; and a pad including a plurality of supporter avoidance holes provided to press the reflective sheet by the pressing member and to avoid the plurality of supports. Claim 6 In claim 5, the pad is a reflective sheet attachment device provided by dividing it into a plurality of parts. Claim 7 In claim 6, the pad is a reflective sheet attachment device provided by dividing it into a plurality of parts in a first direction and a second direction perpendicular to the first direction. Claim 8 In claim 5, the pad is a reflective sheet attachment device formed of an elastic rubber material. Claim 9 In claim 5, the pad is a reflective sheet attachment device in which, when the reflective sheet is pressed, the plurality of supporter avoidance holes avoid the plurality of supporters and uniformly press the reflective sheet. Claim 10 A reflective sheet attachment device for attaching a reflective sheet, which is seated on the front of a rear chassis fixed with a plurality of supports, to the front of the rear chassis by avoiding the plurality of supports, comprising: a base on which the rear chassis is seated so that the reflective sheet faces upward; a movable member movably provided on the base; a roller rotatably provided on the movable member and pressing the reflective sheet to attach the reflective sheet to the rear chassis; and a pad including a plurality of supporter avoidance holes that are pressed by the roller to press the reflective sheet and are provided to avoid the plurality of supports. Claim 11 In claim 10, the pad is a reflective sheet attachment device formed of a sponge. Claim 12 In claim 10, the pad is a reflective sheet attachment device in which, when the reflective sheet is pressed, the plurality of supporter avoidance holes avoid the plurality of supporters and uniformly press the reflective sheet.

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