TWI723384B - Optical-film transport box - Google Patents

Abstract

An optical-film transport case includes a base, a carrier plate, and a blocking mechanism. The base includes a top surface and a guide groove formed on the top surface. The carrier plate is placed over the top surface and is configured to carry an optical film. The blocking mechanism is movably and detachably disposed in the guiding groove and is configured for blocking the carrier plate. The guide groove further includes a restriction segment and a disengagement segment coupled to the restriction segment. The blocking mechanism is configured to move along the restriction segment, and the disengagement segment allows the blocking mechanism to disengage from the base.

Description

Optical film transport box

This disclosure mainly relates to a transport box, especially an optical film transport box.

The materials of the display panel include various types of optical films. However, due to the increasing size of display panels, it is becoming increasingly difficult to package and transport large-size optical films. In addition, since the thickness of the optical film is very thin, when the stacked optical films are packaged and transported, the optical films are often bent and damaged, frictional friction between each other, or damage caused by collisions.

Therefore, it is necessary to provide a new packaging and handling solution.

The present disclosure provides an optical film transport box, which can conveniently transport the optical film to or out of the optical film transport box for packaging. In addition, this packaging method can reduce the chance of damage to the optical film during transportation.

The present disclosure provides an optical film transport box, which includes a base, a carrying plate, and a stopping mechanism. The base includes a top surface and a guide groove formed on the top surface. The carrying plate is placed on the top surface and used to carry an optical film. The stop mechanism is movably and detachably arranged in the guide groove, and is used to stop the bearing plate. The guide groove further includes a restriction section and a detachment section connected to the restriction section. The stop mechanism is used to move along the restriction section, and the detachment section allows the stop mechanism to be separated from the base.

In some embodiments, the optical film transport box further includes an intermediate layer disposed between the base and the carrying plate. The intermediate layer includes a base and a plurality of protrusions arranged on the base.

In some embodiments, the base of the interposer is fixed to the top surface and the protrusion contacts the carrier board, or the base of the interposer is fixed to the carrier board and the protrusion contacts the top surface.

In some embodiments, the protrusions are elongated structures and are parallel to each other. The length of the interposer is about 0.8 times to 1 times the width of the top surface. The length of the interposer and the width of the top surface are measured in the same direction.

In some embodiments, the protrusion is parallel to the restricting section. The length of the escape zone is greater than the width of the restriction zone. The length of the escape zone and the width of the restriction zone are measured in the same direction.

In some embodiments, the base includes a side wall adjacent to or in contact with the top surface. The height of the top of the side wall is equal to or lower than the height of the top surface. The height of the top and the height of the top surface are measured in a direction perpendicular to the top surface.

In some embodiments, the optical film transport box further includes a cover, which is detachably disposed on the base. An accommodating cavity is formed between the cover and the base, and the carrying plate and the stopping mechanism are located in the accommodating cavity.

In some embodiments, the optical film transport box further includes a first fastening element and a second fastening element. The first buckling element is fixed on a side wall of the base. The second buckling element is fixed on a side wall of the cover and used for buckling with the first buckling element. The first fastening element can be a hook-shaped structure.

In summary, the optical film transport box of the present disclosure uses a carrier plate to carry the optical film, so as to reduce the bending and the friction between the optical film during the transportation process and the damage caused by mutual friction. By removing the stopper mechanism, the carrier plate on which the optical film is placed can be removed from the optical film transport box without lifting off the base, thereby reducing the difficulty of transporting the optical film. In addition, the intermediary layer can make the carrier plate move more smoothly, thereby making the handling process of the optical film smoother. Furthermore, the design of the base of the present disclosure enables the stop mechanism to be easily installed and removed.

The following description provides many different embodiments or examples for implementing different features of the present disclosure. The elements and arrangements described in the following specific examples are only used to concisely express the present disclosure, and they are only used as examples, and are not intended to limit the present disclosure. For example, the description of a first feature on or above a second feature includes direct contact between the first and second features, or another feature is placed between the first and second features, so that the first feature The first and second features are not in direct contact.

The spatially related terms used here, such as above or below, are only used to simply describe the relationship between one element or a feature in the drawing with respect to another element or feature. In addition to the orientation described in the diagram, it includes devices that are used or operated in different orientations. In addition, the shape, size, thickness, and angle of inclination in the drawings may not be drawn to scale or simplified for the purpose of clear description, and are only provided for illustrative purposes.

FIG. 1 is a perspective view of the optical film transport box 1 according to the present disclosure in some embodiments. FIG. 2 is an exploded view of the optical film transport box 1 according to the present disclosure in some embodiments. FIG. 3 is a cross-sectional view of the optical film transport box 1 according to the present disclosure in some embodiments. The section in Figure 3 may be perpendicular to a moving direction D1. The optical film transport box 1 can be used to contain the optical film T1, and can provide a protection function during the transportation, so as to prevent the optical film T1 from being damaged during the transportation. In addition, the optical film transport box 1 can provide a sealed environment to prevent the optical film T1 in the optical film transport box 1 from being contaminated by particles such as dust. In another embodiment, the moving direction D1 can also be parallel to the long side of the optical film T1, and the invention is not limited thereto.

In some embodiments, the optical film transport box 1 may be a flat structure. For example, the width or length of the optical film transport box 1 can be greater than 5 times the thickness of the optical film transport box 1, but it is not limited thereto. In some embodiments, the optical film T1 may be a single-layer or multi-layer optical film. For example, it may be a polarizer, a retardation film, a brightness enhancement film, or other optical gain, alignment, compensation, steering, etc. Orthogonal, diffusion, protection, anti-sticking, scratch resistance, anti-glare, reflection suppression, high refractive index and other helpful diaphragms. For example, it can be a variety of surface treatment films such as oriented liquid crystal film, easy-to-bond treatment film, hard coat film, anti-reflection film, anti-adhesive film, diffusion film, anti-glare film, etc., which have characteristics such as viewing angle compensation or birefraction, or the above Combination, but not limited to this.

The optical film transport box 1 includes a base 10, a supporting board 20, a plurality of intermediate layers 30, a plurality of stop mechanisms 40, a cover 50, and a plurality of locking mechanisms 60. The base 10 may be a plate-shaped structure. The base 10 includes a bottom plate 11, a top plate 12, and a side wall 13. The bottom plate 11 and the top plate 12 may be rectangular. The bottom plate 11 can be parallel to the top plate 12 and separate from the top plate 12. The side wall 13 can be a ring-shaped structure, connected to the edges of the bottom plate 11 and the top plate 12, and can be substantially perpendicular to the bottom plate 11 and the top plate 12. The bottom plate 11, the top plate 12 and the side wall 13 can form a bottom space S1. In this disclosure, "substantially vertical" includes the implementation of "vertical".

The top plate 12 has a top surface 121 and a plurality of guiding grooves 122. The top surface 121 may be the main surface of the top plate 12. When the base 10 is placed on a horizontal surface, the top surface 121 may be parallel to the horizontal surface.

The guide groove 122 is formed in the top surface 121. The guiding groove 122 is adjacent to the edge of the top surface 121 and the top of the side wall 13 respectively. In this embodiment, the guide grooves 122 are distributed on at least two edges of the top surface 121. In another embodiment, the guide grooves 122 are distributed on three edges or four edges of the top surface 121. In this embodiment, at least one guide groove 122 may be configured on each edge.

In another embodiment, when the optical film T1 has a non-rectangular shape, such as a circle, a barrel shape, or a mirror shape, etc., the guide grooves 122 can be arranged in sequence according to the outer shape of the optical film T1 to Fix the optical film T1.

In this embodiment, each guide groove 122 includes a restricting section 123 and a disengaging section 124. The restriction section 123 is connected to the escape section 124. The restriction section 123 and the escape section 124 may form a T shape. Each restricting section 123 may extend perpendicular to the side of the top surface 121 adjacent thereto. Each detachment section 124 may extend parallel to the side of the top surface 121 adjacent thereto. The escaping section 124 is adjacent to a side of the top surface 121 compared to the restricting section 123. In some embodiments, the detachment section 124 may be connected to one side of the top surface 121.

In this embodiment, the length L1 of the escape section 124 is greater than the width W1 of the restriction section 123. The length L1 of the escape section 124 is greater than 1.1 times or 1.5 times the width W1 of the restriction section 123. The length L1 of the escape section 124 and the width W1 of the restriction section 123 are measured in the same direction. For example, the length L1 and the width W1 in Figure 2 are measured in a direction perpendicular to the moving direction D1.

The present invention further includes a plurality of stop mechanisms 40 movably disposed in the guide groove 122 and used to stop the carrier plate 20 and the optical film T1. In this embodiment, the number of the stopper mechanism 40 is less than or equal to the number of the guide groove 122.

In this embodiment, the stopping mechanism 40 can move along the restricting section 123, and the disengaging section 124 allows the stopping mechanism 40 to be separated from the base 10. When the carrier plate 20 and the optical film T1 are disposed on the base 10, the user can abut the carrier plate 20 and the optical film T1 by moving the stop mechanism 40, and fix the stop mechanism 40 to the base 10 , Thereby restricting the movement of the carrier plate 20 and the optical film T1 relative to the top plate 12. Therefore, during the transportation of the optical film transport box 1, the stop mechanism 40 can fix the position of the carrier plate 20 and the optical film T1 in the optical film transport box 1, and can prevent the optical film from being blocked by the stop mechanism 40. T1 collides with the cover 50 and is damaged.

In addition, the stop mechanism 40 is movably disposed in the guide groove 122, so that the optical film transport box 1 of the present invention can be matched with the carrier plate 20 and the optical film T1 of different sizes. In other words, the carrier plate 20 and the optical film T1 of different sizes can be fixed in the optical film transport box 1 by the movable stop mechanism 40, so that the optical film transport box 1 can transport optical films of different sizes. T1.

In this embodiment, the present invention may further include a carrying plate 20 placed on the top surface 121 and used to carry one or more optical films T1. When the carrier board 20 is placed on the top surface 121, the carrier board 20 can extend parallel to the top surface 121. When the optical film T1 is placed on the carrier plate 20, the optical film T1 and the carrier plate 20 can be parallel to each other.

In this embodiment, the carrier board 20 may be made of hard materials, such as metal or hard plastic. In some embodiments, the thickness of the carrying plate 20 may be greater than 3 to 5 times the thickness of the optical film T1, but it is not limited thereto. In one embodiment, the carrier plate 20 can be used to move the cut or ground optical film T1 from the manufacturing machine or the collection box to the optical film transport box 1. By arranging the optical film T1 on the carrier plate 20, the number of touches to the optical film T1 during movement can be reduced, and damage to the optical film T1 can be avoided.

In another embodiment, the carrying board 20 may include a carrying body 21 and one or more pulling parts 22. The area of the main surface of the supporting body 21 may be equal to the area of the main surface of the optical film T1. The pulling portion 22 is connected to the side of the carrying body 21. In one embodiment, the pulling portion 22 and the carrying body 21 may be an integral structure and may extend along the same plane.

In another embodiment, the present invention further includes at least one interposer 30 disposed between the base 10 and the carrier board 20. In this embodiment, the interposer 30 is fixed to the top plate 12 of the base 10. The interposer 30 is used to reduce the resistance when the carrier board 20 moves relative to the top surface 121 of the top board 12 when the carrier board 20 moves relative to the top surface 121. Therefore, with the interposer 30 in this embodiment, the carrier board 20 can move more easily and smoothly relative to the top board 12.

In one embodiment, the interposer 30 is a long strip structure, and the extending direction of the interposer 30 is parallel to the moving direction D.

In one embodiment, the interposer 30 may include a base 31 and a plurality of protrusions 32. The base 31 can be fixed to the top surface 121 of the top plate 12 without covering the guide groove 122. The base 31 may be a plate-shaped structure extending along the top surface 121. The protruding part 32 is disposed on the base 31, and when the carrying board 20 is placed on the top plate 12, the protruding part 32 contacts the carrying board 20. In this embodiment, the protrusions 32 are elongated structures and are parallel to each other. In some embodiments, the protrusion 32 may extend along the moving direction D1. In other words, the protrusion 32 can be parallel to the adjacent restricting section 123. In some embodiments, the protrusions 32 may have various shapes such as granules or hemispherical shapes, and are evenly distributed on the base 31.

In some embodiments, as shown in FIG. 3, the thickness W2 of the base 31 may be in the range of about 1 mm to 5 mm, but it is not limited thereto. The height H1 of the protruding portion 32 may be approximately in the range of 1 mm to 5 mm, but is not limited thereto. The thickness W2 of the base 31 and the height H1 of the protrusion 32 can be measured in a direction D2 perpendicular to the top surface 121. In this embodiment, the direction D2 may be perpendicular to the moving direction D1.

In some embodiments, as shown in FIG. 2, the length L2 of the interposer 30 is between 0.8 times and 1 times the width W3 of the top surface 121. In this embodiment, the length L2 of the interposer 30 is substantially equal to the width L3 of the top surface 121. The length L2 of the interposer 30 and the width W3 of the top surface 121 are measured in the same direction (moving direction D1). The "substantially equal to" in this disclosure includes the implementation of "equal to". The width W3 of the top surface 121 of the present disclosure can be the width of the shorter side or the width of the longer side of the top surface 121, and is not limited.

FIG. 4 is a cross-sectional view of the carrier board 20 and the interposer 30 according to another embodiment. In another embodiment, as shown in FIG. 4, the base portion 31 of the interposer 30 is fixed to the carrier board 20, and the protruding portion 32 contacts the top surface 121 of the top board 12.

In this embodiment, the intermediate layer 30 may be located between two adjacent stopper mechanisms 40. In addition, when the carrier board 20 is placed on the intermediate layer 30, the pulling portion 22 of the carrier board 20 can be located between two adjacent stopping mechanisms 40. In addition, the pulling portion 22 may be located on or in contact with the interposer 30. Therefore, the pulling portion 22 will not affect the movement of the stop mechanism 40.

FIG. 5 is a cross-sectional view of the optical film transport box 1 according to the present disclosure in some embodiments. The section in Figure 5 can be parallel to the moving direction D1. As shown in FIGS. 3 and 5, the stopping mechanism 40 includes a lower sliding seat 41, an upper sliding seat 42, a stopping portion 43, a connecting rod 44, and an adjusting element 45. The lower sliding seat 41 is located under the top plate 12 and in the bottom space S1. The upper sliding seat 42 is located on the top surface 121 of the top plate 12. In addition, the width of the lower sliding seat 41 and the upper sliding seat 42 is greater than the width W1 of the limiting section 123 of the guide groove 122. In other words, the top plate 12 and the restricting section 123 of the guide groove 122 are located between the lower sliding seat 41 and the upper sliding seat 42, and the restricting section 123 can prevent the stop mechanism 40 from being separated from the base 10. In this embodiment, the width W1 and the width of the lower sliding seat 41 and the upper sliding seat 42 are measured in the same direction (for example, a direction perpendicular to the moving direction D1 and the direction D2).

As shown in Figures 2 and 5, in the direction D2, the area of the disengagement section 124 of the guide groove 122 can be larger than the area of the lower sliding seat 41. Therefore, the disengagement section 124 of the guide groove 122 can allow the stop mechanism 40 detached from the base 10. Therefore, in this embodiment, the stop mechanism 40 can be simply moved to the disengagement section 124 to push the stop mechanism 40 away from the base 10.

The stop portion 43 is connected to the upper sliding seat 42 and forms an L-shaped structure with the upper sliding seat 42. The stop portion 43 and the upper sliding seat 42 may be an integral structure. The stop portion 43 is used to stop the carrier plate 20 and the optical film T1.

The connecting rod 44 is connected to the lower sliding seat 41 and passes through the guide groove 122 and the upper sliding seat 42. The connecting rod 44 and the lower sliding seat 41 can be an integral structure. The adjusting element 45 is pivotally connected to the stop portion 43 and is located on the upper sliding seat 42. In this embodiment, the adjusting element 45 includes a cam 451 and a handle 452. The cam 451 is pivotally connected to the connecting rod 44, and the handle 452 is connected to the cam 451.

In this embodiment, the user can move the cam 451 by moving the handle 452 to move the connecting rod 44, so that the lower sliding seat 41 and the lower sliding seat 41 can clamp or release the top plate 12. For example, when the adjusting element 45 is in the release position in FIG. 3, the stop mechanism 40 can move relative to the top plate 12. When the adjusting element 45 rotates to a fixed position, the stop mechanism 40 is fixed to the top plate 12. Therefore, with the structure of the stopper mechanism 40, the user can move the stopper mechanism 40 relative to the top plate 12 or be fixed to the top plate 12 without additional tools, thereby improving the convenience of the stopper mechanism 40 in use.

The cover 50 is detachably disposed on the base 10. When the cover 50 is fixed on the base 10, the cover 50 can be sealed to the base 10. A accommodating cavity S2 is formed between the cover 50 and the base 10 (as shown in FIG. 3). The accommodating cavity S2 can communicate with the bottom space S1 via the guide groove 122. The accommodating cavity S2 and the bottom space S1 are sealed in the optical film transport box 1. The carrier board 20, the intermediate layer 30, and the stop mechanism 40 are located in the accommodating cavity S2. When the cover 50 is closed on the base 10, the cover 50 can be connected to the side wall 13 of the base 10. In this embodiment, the cover 50 may include a transparent plate 51. Therefore, when the cover 50 is closed on the base 10, the user can see the inside of the optical film transport box 1 through the transparent plate 51.

The locking mechanism 60 can be used to fix the cover 50 on the base 10. In this embodiment, each locking mechanism 60 includes a first fastening element 61 and a second fastening element 62. The first fastening element 61 is fixed to the side wall 13 of the base 10. The second fastening element 62 is fixed to the side wall 13 of the cover 50 and used for fastening to the first fastening element 61. In this embodiment, the first fastening element 61 may be a hook-shaped structure.

As shown in Figure 5, the optical film transport box 1 can be placed on a workbench B1. When the user wants to transport the optical film T1, the optical film T1 can be placed on the carrier plate 20, and the carrier plate 20 with the optical film T1 can be placed on the top plate 12 of the base 10. The user can then move the stop mechanism 40 to abut the stop mechanism 40 around the optical film T1 and the supporting body 21 of the supporting board 20. In addition, the stop mechanism 40 is fixed to the base 10 by adjusting the adjustment element 45 described above. Finally, the user covers and fixes the cover 50 shown in FIG. 2 on the base 10 to carry the optical film transport box 1.

6 and 7 are schematic diagrams of the optical film transport box 1 containing the optical film T1 in the middle stage of a transport process according to some embodiments of the present disclosure. As shown in FIG. 5, when the user wants to take out the optical film T1 from the optical film transport box 1, the cover 50 can be removed from the base 10 first. As shown in Figure 6, the user can move the workbench B2 to one side of the workbench B1 and approach the workbench B1. In this embodiment, the workbench B2 is a transport vehicle. In some embodiments, the workbench B1 is a transport cart, and the user moves the workbench B1 to one side of the workbench B2.

After that, the user can adjust the adjustment element 45 and move the stop mechanism 40 to the escape section 124 of the guide groove 122, and the stop mechanism 40 can be easily removed from the base 10. Therefore, in this embodiment, the design of the guide groove 122 can be used so that the stop mechanism 40 can be easily removed from the base 10 when the carrier plate 20 and the optical film T1 are placed on the base 10.

As shown in Fig. 7, the user can push the carrier board 20 along the moving direction D1 to move the carrier board 20 on which the optical film T1 is placed onto the workbench B2.

If the user wants to place the optical film T1 from the workbench B2 in the optical film transport box 1 for transportation, he can move the optical film T1 to Fig. 7, Fig. 6, and Fig. 5 in sequence. After the base 10 is installed, the stop mechanism 40 is installed to the top plate 12 from the escape section 124 of the guide groove 122. After that, the stop mechanism 40 is abutted against the carrier plate 20 and the optical film T1, and then the cover 50 is fixed on the base 10.

In this embodiment, when the user pushes the carrier board 20 along the moving direction D1, the carrier board 20 moves on the intermediate layer 30. Therefore, the intermediate layer 30 can be used to reduce the resistance of the carrier plate 20 when it moves, so that the carrier plate 20 on which the optical film T1 is placed can smoothly move relative to the top plate 12.

In this embodiment, the optical film T1 is carried by the carrier plate 20, so that when the optical film T1 is moved, the optical film T1 can be prevented from being bent or the optical film T1 can be prevented from moving. In addition, the user's hand does not need to touch the main surface of the optical film T1, thereby reducing the probability of damage to the optical film T1.

In this embodiment, a part of the stop mechanism 40 can be removed to move the carrier plate 20 with the optical film T1 in the moving direction. Therefore, the user does not need to remove the carrier plate with the optical film T1. 20 is raised relative to the top plate 12 along the direction D2, thereby reducing the probability of damage to the optical film T1. In addition, in this embodiment, the user can move the carrier board 20 by pulling the pulling portion 22 of the carrier board 20, thereby improving the convenience of movement.

As shown in FIG. 7, the side wall 13 is adjacent to or in contact with the top surface 121 of the top plate 12. The height H2 of the top of the side wall 13 relative to the bottom surface 111 of the base 10 is equal to or lower than the height H3 of the top surface 121 relative to the bottom surface 111. The heights H2 and H3 are measured in the direction D2 perpendicular to the top surface 121. Therefore, the user can move the carrier plate 20 on which the optical film T1 is placed along the moving direction D1 without being blocked by the side wall 13, thereby improving the convenience of movement.

In summary, the optical film transport box of the present disclosure uses a carrier plate to carry the optical film, so as to reduce the bending and the friction between the optical film during the transportation process and the damage caused by mutual friction. By removing the stopper mechanism, the carrier plate on which the optical film is placed can be removed from the optical film transport box without lifting off the base, thereby reducing the difficulty of transporting the optical film. In addition, the intermediary layer can make the carrier plate move more smoothly, thereby making the handling process of the optical film smoother. Furthermore, the design of the base of the present disclosure enables the stop mechanism to be easily installed and removed.

Although this disclosure uses various embodiments to disclose the above, it is only an example for reference and not intended to limit the scope of this disclosure. Anyone who is familiar with this technique can make some changes without departing from the spirit and scope of this disclosure. And retouch. Therefore, the above-mentioned embodiments are not used to limit the scope of this disclosure, and the scope of protection of this disclosure shall be subject to the scope of the attached patent application.

1: Optical film transport box 10: Base 11: bottom plate 111: Bottom 12: Top plate 121: top surface 122: boot slot 123: Restricted section 124: Departure Section 13: side wall 20: Carrying board 21: Carrying body 22: pull part 30: Intermediary layer 31: Base 32: protrusion 40: stop mechanism 41: Lower sliding seat 42: Upper sliding seat 43: Stop 44: connecting rod 45: Adjusting components 451: Cam 452: Handle 50: Lid 51: transparent board 60: locking mechanism 61: The first fastening element 62: The second fastening element D1: Moving direction D2: Direction S1: bottom space S2: containing cavity T1: Optical film W1, W3: width W2: thickness H1, H2, H3: height L1, L2: length B1: Workbench B2: Workbench

Figure 1 is a perspective view of an optical film transport box according to the present disclosure in some embodiments. Figure 2 is an exploded view of the optical film transport box according to the present disclosure in some embodiments. FIG. 3 is a cross-sectional view of the optical film transport box according to the present disclosure in some embodiments. FIG. 4 is a cross-sectional view of the carrier board and the interposer according to another embodiment. FIG. 5 is a cross-sectional view of the optical film transport box according to the present disclosure in some embodiments. FIGS. 6 and 7 are schematic diagrams of the optical film transport box containing the optical film in the middle stage of a transport process according to some embodiments of the present disclosure.

1: Optical film transport box

10: Base

12: Top plate

121: top surface

122: boot slot

123: Restricted section

124: Departure Section

13: side wall

20: Carrying board

21: Carrying body

22: pull part

30: Intermediary layer

31: Base

32: protrusion

40: stop mechanism

50: Lid

51: transparent board

60: locking mechanism

61: The first fastening element

62: The second fastening element

D1: Moving direction

T1: Optical film

W1, W3: width

L1, L2: length

Claims (9)

An optical film transport box, comprising: a base including a top surface and a guide groove formed on the top surface; a carrying plate placed on the top surface and used to carry an optical film; and a stopper The mechanism is movably and detachably arranged in the guide groove and used to stop the carrying plate; and an intermediate layer arranged between the base and the carrying plate, the intermediate layer including a base and arranged on the A plurality of protrusions on the base; wherein the guide groove further includes a restriction section and a detachment section connected to the restriction section, the stop mechanism is used to move along the restriction section, and the detachment section allows The stop mechanism is separated from the base. The optical film transport box described in claim 1, wherein the base of the interposing layer is fixed to the top surface and the protrusions are in contact with the carrier plate, or the base of the interposing layer is fixed to the carrier plate And the protrusions are in contact with the top surface. In the optical film transport box described in item 1 of the scope of patent application, the protrusions are elongated structures and are parallel to each other. The optical film transport box described in claim 1, wherein the length of the intermediate layer is between 0.8 times and 1 times the width of the top surface, wherein the length of the intermediate layer and the length of the top surface The width is measured in the same direction. The optical film transport box described in item 1 of the scope of patent application, wherein the protrusions are parallel to the restricting section. The optical film transport box described in claim 1, wherein the length of the detachment section is greater than the width of the restriction section, and the length of the detachment section and the width of the restriction section are in the same direction measuring. The optical film transport box described in claim 1, wherein the base includes a side wall adjacent to or in contact with the top surface, wherein the height of the top of the side wall is equal to or lower than the height of the top surface, wherein the The height of the top and the height of the top surface are measured in a direction perpendicular to the top surface. The optical film transport box described in item 1 of the scope of the patent application further includes a cover detachably disposed on the base, wherein an accommodating cavity is formed between the cover and the base, and the carrying plate and The stopping mechanism is located in the accommodating cavity. The optical film transport box described in item 8 of the scope of patent application further includes: a first fastening element fixed to a side wall of the base; and a second fastening element fixed to a side wall of the cover body, And it is used to buckle with the first buckling element, wherein the first buckling element can be a hook-shaped structure.

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