CN114873027A - Tray assembly - Google Patents

Tray assembly Download PDF

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Publication number
CN114873027A
CN114873027A CN202210565615.3A CN202210565615A CN114873027A CN 114873027 A CN114873027 A CN 114873027A CN 202210565615 A CN202210565615 A CN 202210565615A CN 114873027 A CN114873027 A CN 114873027A
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CN
China
Prior art keywords
grooves
tray
display panel
conductive
tray assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210565615.3A
Other languages
Chinese (zh)
Inventor
刘刚
周俊丽
李强
陈雨婷
付开鹏
傅苗苗
刘阳
王云云
赵亮亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Boe Display Technology Co ltd
BOE Technology Group Co Ltd
Original Assignee
Nanjing Boe Display Technology Co ltd
BOE Technology Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Boe Display Technology Co ltd, BOE Technology Group Co Ltd filed Critical Nanjing Boe Display Technology Co ltd
Priority to CN202210565615.3A priority Critical patent/CN114873027A/en
Publication of CN114873027A publication Critical patent/CN114873027A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D19/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/38Details or accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D19/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/38Details or accessories
    • B65D19/44Elements or devices for locating articles on platforms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/264Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing liquids
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05FSTATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
    • H05F3/00Carrying-off electrostatic charges
    • H05F3/02Carrying-off electrostatic charges by means of earthing connections

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Packaging Frangible Articles (AREA)

Abstract

The invention discloses a tray assembly, comprising: the tray comprises a bottom plate and a frame arranged around the bottom plate, a plurality of accommodating grooves used for accommodating display panels are formed in the bottom plate, a plurality of grooves corresponding to the accommodating grooves are formed in the frame, the grooves transversely penetrate through the frame, one ends of the grooves extend to the accommodating grooves, and through holes are formed in the bottom surfaces of the other ends of the grooves; a ground plate made of an electrically conductive material, the tray being placed on the ground plate; and one end of the conductive piece is positioned in the accommodating groove, and the other end of the conductive piece penetrates through the groove and the through hole and then is electrically connected with the grounding plate. Static that accumulates on the display panel is released to the outside through the conductive piece and the grounding plate, so that the effect of eliminating static on the display panel is achieved, and products sensitive to the static electrode end are protected better.

Description

Tray assembly
Technical Field
The invention relates to the technical field of display panel modules. And more particularly, to a tray assembly for carrying a display panel module.
Background
With the development of global economy, manufacturers of electronic products have a complex supply chain, and most of the current production and marketing forms of electronic products are produced and assembled in factories in different places, so that parts and semi-finished products of the electronic products have to be transported from place to place. Taking a flat panel display as an example, raw materials of a product, production of a panel, assembly of the panel, assembly of a display module, the flat panel display and the like may all be performed in different regions or countries, or performed between different factories in the same region, which relates to the problem of packaging and transportation of the display panel.
With the development of high-end electronic products, the quality requirements of the display panel at the beginning are more strict. The display panel is usually loaded into a tray with a plurality of recesses when being shipped, and then a plurality of trays are stacked and sealed in a box body for transportation, so that the display panel can be prevented from being damaged during transportation. However, due to the special process of the display panel, the product is extremely sensitive to static electricity, especially on the terminal side, which is adversely affected if there is a charge left on the product in the environment. At present, the packaging modes in the industry are tray and gasket loading glass with antistatic function, the possibility of bringing static electricity into the packaging material is very small, but before the product is produced and packaged, the product can be subjected to processes such as lighting, appearance inspection, random inspection and the like. In the processes, static electricity with different degrees is generated and accumulated on the display panel until the display panel is packaged and stored, so that the static electricity cannot be released in the transportation process, and partial static electricity enters the product from the terminal side, so that various display defects of the product occur.
Disclosure of Invention
The invention aims to provide a tray assembly which can conduct static electricity on a carried electronic product to the outside for releasing.
According to an aspect of the present invention, there is provided a tray assembly comprising:
the tray comprises a bottom plate and a frame arranged around the bottom plate, a plurality of accommodating grooves used for accommodating display panels are formed in the bottom plate, a plurality of grooves corresponding to the accommodating grooves are formed in the frame, the grooves transversely penetrate through the frame, one ends of the grooves extend to the accommodating grooves, and through holes are formed in the bottom surfaces of the other ends of the grooves;
a ground plate made of an electrically conductive material, the tray being placed on the ground plate; and
and one end of the conductive piece is positioned in the accommodating groove, and the other end of the conductive piece penetrates through the groove and the through hole and is electrically connected with the grounding plate.
Preferably, the conductive member includes a sheet-shaped contact piece and a connecting rod extending in a direction perpendicular to the surface of the contact piece, an end of the connecting rod is bent downward to form a ground terminal, and the ground terminal is electrically connected to the ground plate.
Preferably, one side surface of the contact piece is in contact with the display panel in the accommodating groove, and a water absorption layer is attached to the other side surface of the contact piece.
Preferably, the conductive member includes a frame-shaped contact piece and a connecting rod extending in a direction perpendicular to the surface of the contact piece, an end of the connecting rod is bent downward to form a ground terminal, and the ground terminal is electrically connected to the ground plate.
Preferably, one side surface of the contact piece is in contact with the display panel in the accommodating groove, and a water absorption part is arranged at the center of the frame-shaped contact piece.
Preferably, each accommodating groove is correspondingly provided with one groove, and the grooves are arranged on the same side of the accommodating groove.
Preferably, each of the accommodating grooves is provided with one corresponding groove, and the grooves corresponding to adjacent accommodating grooves are arranged on different sides.
Preferably, each accommodating groove is correspondingly provided with two grooves, and the two grooves are respectively arranged on the opposite sides of the accommodating groove.
Preferably, the surface of the ground plate is protruded to form a plurality of ground bosses for contacting the conductive members.
Preferably, the tray assembly includes two trays, and the conductive member located in the upper tray is in contact with the conductive member located in the lower tray, so that all the conductive members are electrically connected to the ground plate.
The invention has the following beneficial effects:
the tray component enables the display panel to be electrically connected with the grounding plate through the conductive piece, and the grounding plate is connected with an external grounding circuit, so that static electricity accumulated on the display panel is released to the outside through the conductive piece and the grounding plate, the effect of eliminating the static electricity on the display panel is achieved, and products sensitive to a static electrode end are protected better. Meanwhile, most of the conductive pieces are located in the grooves of the frame, and the conductive pieces do not exceed the top surface of the frame, so that the conductive pieces cannot block the trays when the plurality of trays are stacked, and the stacked trays are stably placed.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 shows an exploded view of the tray assembly of the present invention.
Fig. 2 shows a schematic view of the structure of part a of the tray of the present invention.
Fig. 3 shows a schematic view of the structure of part a of the tray of the present invention.
Fig. 4 shows a schematic structural view of another embodiment of the tray of the present invention.
Fig. 5 shows a schematic structural view of a further embodiment of the pallet of the present invention.
Fig. 6 shows a schematic structural view of a further embodiment of the pallet of the present invention.
Fig. 7 shows a partial cross-sectional view of the invention when two trays are stacked.
Fig. 8 is a schematic structural diagram of an embodiment of the conductive device of the present invention.
Fig. 9 shows a schematic structural diagram of another embodiment of the conductive device of the present invention.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below with reference to preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
In the production process of a flat panel display screen, a display device is usually required to be placed in a tray, a plurality of trays are placed in a stacked mode and are conveyed to different factories or stations for testing, inspection, assembly and the like, static electricity with different degrees is generated and accumulated on a display panel in the processes, the static electricity cannot be released in the transportation process due to the fact that the tray is made of insulating materials such as plastics, and partial static electricity enters the interior of a product from a terminal side, so that various poor display of the product is caused.
To solve the above problem, as shown in fig. 1 to 3, an embodiment of the present invention provides a tray assembly, including at least one tray 10, a ground plate 20, and a plurality of conductive members 30, where the tray 10 includes a bottom plate 11 and a frame 12 surrounding the bottom plate 11, the bottom plate 11 is provided with a plurality of accommodating grooves 13 for accommodating a display device, the frame 12 is provided with a plurality of grooves 14 corresponding to the accommodating grooves 13, the grooves 14 transversely penetrate through the frame 12, one end of each groove 14 extends to the accommodating groove 13, the bottom surface of the other end is provided with a through hole 15, and each accommodating groove 13 at least corresponds to one groove 14.
The tray 10 may comprise or be made of a material such as a synthetic resin, for example, the tray 10 may comprise or be made of expandable polystyrene. The material used to form the tray 10 of the disclosed embodiment is not particularly limited, and the tray 10 may be manufactured using any suitable plastic molding process.
The display device of the embodiments of the present disclosure may be a display panel, a backlight unit, a display screen, or the like, and the display panel may display an image by receiving light from the backlight unit. Embodiments of the present disclosure are not limited to display panels. In some embodiments, for example, the display panel may be a transmissive or semi-transmissive display panel (such as a liquid crystal display panel, an electrophoretic display panel, and/or an electrowetting display panel).
In some embodiments, the display panel may be a curved display panel having a curved display surface. The shape of the display panel according to the embodiment of the present disclosure is not particularly limited.
An exemplary embodiment including a Liquid Crystal Display (LCD) panel as a display panel will be described. The liquid crystal display panel may include a first substrate, a second substrate opposite the first substrate, and a liquid crystal layer between the first substrate and the second substrate. A plane area of the liquid crystal display panel may be divided into a display area and an edge area surrounding the display area. The display area is an area where an image is displayed, and the edge area is an area adjacent to the display area on which no image is displayed. The liquid crystal display panel includes a plurality of pixels in a display area. The LCD includes a pair of polarizers.
The signal lines and the pixel circuits may be provided on one of the first substrate and the second substrate. The array substrate may be connected to the main circuit board MPCB through a first flexible circuit board COF or the like. The driving chip may be further mounted to a first flexible circuit board COF. The driving chip may be a data driving circuit. A central control circuit for driving the display panel may be included on the main circuit board MPCB. The central control circuit may be a microprocessor. The gate drive circuitry may be mounted to or integrated on the array substrate using any suitable low temperature poly-silicone (LTPS). The main circuit board MPCB may be connected to external electronic components through the second flexible circuit board FPCB.
The control circuit may control the backlight unit. The control circuit may transmit a dimming signal for controlling the backlight unit to the backlight unit.
The backlight unit is under the display panel and the optical member. The backlight unit may include a light source and a light guide plate. The light source includes a plurality of light emitting elements and a circuit board LPCB that supplies electrical signals to the light emitting elements. Each of the plurality of light emitting elements may include a light emitting diode.
The light guide plate guides light received from the light source toward the display panel. In some embodiments, the light guide plate may comprise or be made of glass. Alternatively, the light guide plate may include or be made of a synthetic resin. The synthetic resin may include polymethyl methacrylate or polymethyl methacrylate.
The optical member is below the display panel and above the backlight unit. The optical member may include a prism sheet. In some embodiments, the optical member may further include a functional sheet for improving optical characteristics.
In some embodiments, for example, the light source may generate blue light, and the optical member may include a quantum dot sheet that receives (absorbs) the blue light to generate (provide) yellow light and/or red light. In some embodiments, the quantum dot sheet may be directly on a surface (e.g., top surface) of the light guide plate as a quantum dot layer. The quantum dot layer may be printed or applied on the top surface of the light guide plate.
The protective member is disposed under the backlight unit for mounting and fixing the backlight unit, the optical member and the display panel, and may be made of metal and/or plastic.
Each of the display panel, the backlight unit, and the optical member may be manufactured on a different production line and then transferred to an assembly line. Each of the production line and the assembly line may be in a different location. One or more of the display panel, the backlight unit, the optical member may be manufactured in an external location separate from the assembly line and then transferred to the assembly line.
When the display panel, the backlight unit, the optical member, and the protective member are transferred from their manufacturing lines to an assembly line or from an external manufacturing line to the assembly line, a tray assembly, which will be described later, may be used to safely transfer these components.
Specifically, in the embodiment of the present invention, when the tray assembly is used for carrying a display panel of a mobile terminal with a smaller size, such as a 6-inch display screen of a mobile phone, a plurality of accommodating grooves 13 can be provided for accommodating the display panel. Be equipped with 3 storage tank 13 that arrange side by side on tray 10's bottom plate 11, storage tank 13's shape and the shape matching of the display panel that will put into correspond, for the convenience of display panel's putting into and taking out, storage tank 13 should slightly be greater than the display panel size, can range upon range of the polylith display panel of placing in every storage tank 13.
The ground plate 20 has a plate-like structure and is made of a conductive material, such as a metal plate or a conductive rubber plate. The tray 10 is placed on the ground plate 20, and the shape and size of the ground plate 20 are adapted to the shape and size of the tray 10, so that the tray 10 is entirely placed on the ground plate 20.
The number of the conductive members 30 is plural, which corresponds to the groove 14, and the conductive members 30 are made of a conductive material, such as metal, conductive rubber, or conductive composite material. One end of the conductive member 30 is positioned in the receiving groove 13 and can contact with the side surface of the display panel in the receiving groove 13, and the other end of the conductive member 30 passes through the groove 14 and the through hole 15 and then contacts with the ground plate 20. The conductive member 30 is mostly located in the groove 14, one end of the conductive member is located in the receiving groove 13 and contacts the display panel, and the other end of the conductive member passes through the tray 10 and contacts the ground plate 20, that is, the conductive member 30 penetrates through the frame 12 of the tray 10, so that the display panel is electrically connected to the ground plate 20. The ground plate 20 is connected to an external ground circuit, so that static electricity accumulated on the display panel is discharged to the outside through the conductive member 30 and the ground plate 20, thereby eliminating static electricity on the display panel and better protecting products sensitive to a static electrode terminal. Since the most part of the conductive member 30 is located in the groove 14 of the frame 12, the conductive member 30 does not extend beyond the top surface of the frame 12, and when a plurality of trays 10 are stacked, the conductive member 30 does not block the trays 10, so that the stacked trays are stably placed.
It should be noted that, when a plurality of display panels are stacked in the accommodating groove 13, the end of the conductive member 30 should contact each display panel, so that all the display panels can be electrically connected to the grounding plate 20, thereby ensuring the grounding effect.
As shown in fig. 1, in the present embodiment, the conductive member 30 is substantially t-shaped, and includes a contact piece 31 in a shape of a sheet, and a connection rod 31 extending in a direction perpendicular to the surface of the contact piece 30, and an end of the connection rod 31 is bent downward to form a ground terminal, which can be contacted and connected with the upper surface of the ground plate 20 through the through hole 15, so that the conductive member 30 is electrically connected with the ground plate 20. One end of the conductive member 30, which is used for contacting the display panel, is configured to be a sheet shape, so that the contact area is increased, and the display panel can be ensured to contact the conductive member 30.
The contact piece 31 is vertically disposed at an edge position of the receiving slot 13 for contacting with a side surface of the display panel, and a height of the contact piece 31 should be equal to or slightly less than a depth of the receiving slot 13 to ensure that the contact piece 31 contacts with all the display panels in the receiving slot 13. One side surface of the contact piece 31 is in contact with the display panel, so that the contact area with the display panel is increased, and the conductive piece 30 is reliably in contact connection with the display panel. The connecting rod 31 is connected to the contact piece 31 and is located in the groove 14. In order to reduce the influence of the groove 14 on the strength of the frame 12, the connecting rod 31 is shaped like a slender rod, and the width of the groove 14 is slightly larger than the rod diameter of the connecting rod, so as to ensure that the connecting rod 31 can enter the groove 14.
As shown in fig. 8, in some embodiments, a water absorbing layer 33 is attached to a surface of the contact sheet 31 on a side away from the display panel, and the water absorbing layer is formed by a water absorbing material, such as calcium chloride or silica gel, the calcium chloride is a highly efficient absorbing material, and the main components are calcium chloride and colloidal starch, and water molecules and the calcium chloride chemically react with each other to absorb moisture from the surrounding environment and convert into gel, so as to achieve an absorbing effect. Silica gel is a high-activity adsorption material, the main component of which is silicon dioxide, is a high-activity adsorption material, and is usually prepared by reacting sodium silicate with sulfuric acid and carrying out a series of post-treatment processes such as aging, acid soaking and the like, and the chemical components and the physical structure of the silica gel determine that the silica gel has the characteristic that a plurality of other similar materials are difficult to replace: high adsorption performance, good thermal stability, stable chemical property, higher mechanical strength and the like. The water absorption layer 33 can absorb water vapor in the accommodating groove 13, so that the accommodating groove 13 is kept dry, and the display panel is prevented from being affected with damp.
As shown in fig. 9, in some embodiments, the contact piece 31 is provided in a rectangular frame structure, and a water absorbing material 33 is filled in the center of the rectangular frame for absorbing moisture in the accommodating groove 13. The contact piece 31 adopting the rectangular frame structure can make the water absorbing material close to the display panel, so that the water vapor in the accommodating groove 13 can be absorbed more easily, and the drying effect is improved. It can be understood that one side surface of the contact piece 31 of the rectangular frame structure contacts with the display panel, and the surface of the water absorbing material should be recessed in the side surface to avoid the water absorbing material blocking the contact piece 31 from contacting with the display panel, and ensure that the contact piece 31 is completely contacted with the display panel.
As shown in fig. 1, one groove 14 is correspondingly disposed in each accommodating groove 13, and the grooves 14 are located on the same side of the accommodating groove 13. The tray 10 of the present embodiment is rectangular, and the grooves 14 are all opened on one side frame 12 of the rectangular tray, so that the conductive members 30 can be conveniently assembled on the tray 10.
In some embodiments, one groove 14 is provided for each accommodating groove 13, and the grooves 14 are located on different sides of the accommodating groove 13. That is, the grooves 14 corresponding to the adjacent accommodating grooves 13 are respectively arranged on different frames 12, and the structure can disperse and keep away the grooves 13 and arrange the grooves on different frames 12, so that the strength of the frame 12 on one side is prevented from being greatly reduced, and the strength of the frame 12 on multiple sides is uniform.
As shown in fig. 4, the tray 10 is rectangular, the bottom plate 11 and the receiving grooves 13 are also rectangular, the rectangular tray 10 includes a long side and a short side, the grooves 14 corresponding to the receiving grooves 13 are alternately formed in the frame 12 of the long side, that is, the grooves 14 corresponding to the adjacent receiving grooves 13 are respectively located in the frame 12 of the opposite side, so that the grooves 14 are respectively formed in the two long sides of the tray 10, and the situation that the grooves 14 are completely formed in the frame 12 of one side is avoided, and the strength of the side is reduced.
As shown in fig. 5, the tray 10 is rectangular, the bottom plate 11 and the receiving grooves 13 are also rectangular, the rectangular tray 10 includes two long sides and two short sides, 3 receiving grooves 13 are provided on the bottom plate 11, the grooves corresponding to each receiving groove 13 are respectively provided on the frames 12 on different sides, that is, the grooves 14 are respectively provided on the three side frames 12 of the tray 10, so that the grooves 14 are respectively provided on the frames 12 of the tray 10, thereby preventing the grooves 14 from being completely provided on the frame 12 on one side and reducing the strength of the side.
As shown in fig. 6, in some embodiments, each receiving groove 13 is correspondingly provided with two grooves 14, the two grooves 14 are respectively located at opposite sides of the receiving groove 13, that is, the frame 12 at the opposite sides of the receiving groove 13 is provided with the grooves 14, so that each receiving groove 13 is correspondingly provided with two conductive members 30, that is, the two conductive members 30 are respectively located at opposite sides of the receiving groove 13, and then both sides of the display panel are respectively contacted with the conductive members 30, thereby ensuring reliable and stable contact between the display panel and the conductive members 30, avoiding the problem that the display panel is not contacted with the conductive members 30, and improving the electrostatic discharge effect thereof.
Referring to fig. 1 again, the surface of the ground plate 20 is upwardly protruded to form a plurality of bosses 21, the number of the bosses 21 is the same as the number of the conductive members 30, that is, each conductive member 30 corresponds to one boss 21, and the bosses 21 are in contact connection with the grounding terminals of the conductive members 30, so that the connection reliability of the conductive members 30 and the ground plate 20 can be ensured. The boss 21 is located below the through hole 15 of the tray 10, and after the tray 10 is placed on the surface of the ground plate 20, the end of the conductive member 30 can pass through the through hole 15 to be in contact connection with the top surface of the boss 21, thereby achieving the electrical connection between the conductive member 30 and the ground plate 20. It is understood that the top surface area of the boss 21 should be larger than the end area of the conductive member 30 to facilitate the contact connection of the conductive member 30 with the boss 21.
As shown in fig. 7, in some embodiments, the tray assembly includes n trays 10 (where n is an integer equal to or greater than 2) stacked on each other, and two trays 10 are shown in this embodiment as an example, the trays 10 are stacked to be aligned along their rims 12, the tray 10 located lowermost is placed on the ground plate 20, ends of the conductive members 30 on the tray 10 are in contact with the ground plate 20, and ends of the conductive members 30 on the tray 10 located upper are in contact with top surfaces of the conductive members 30 on the tray 10 located lower, so that the conductive members 30 of both upper and lower layers are electrically connected to the ground plate 20. It should be noted that, when trays 10 of the same type with the same arrangement of the grooves 14 are stacked on top of each other, the conductive members 30 on the upper layer can be ensured to contact the conductive members 30 on the lower layer, and therefore, in order to ensure that the conductive members 30 can be electrically connected to the ground plate 20, the trays 10 of different types cannot be stacked on top of each other.
In addition, a positioning structure, such as a positioning column and a positioning groove, is further disposed on the tray 10, so that when multiple layers of trays 10 are stacked, the upper layer of trays 10 and the lower layer of trays 10 can be accurately aligned, and the conductive members of the upper layer and the lower layer can be ensured to be contacted.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is further noted that, in the description of the present invention, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.

Claims (10)

1. A tray assembly, comprising:
the tray comprises a bottom plate and a frame arranged around the bottom plate, a plurality of accommodating grooves used for accommodating display panels are formed in the bottom plate, a plurality of grooves corresponding to the accommodating grooves are formed in the frame, the grooves transversely penetrate through the frame, one ends of the grooves extend to the accommodating grooves, and through holes are formed in the bottom surfaces of the other ends of the grooves;
a ground plate made of an electrically conductive material, the tray being placed on the ground plate; and
and one end of the conductive piece is positioned in the accommodating groove, and the other end of the conductive piece penetrates through the groove and the through hole and is electrically connected with the grounding plate.
2. The tray assembly of claim 1, wherein the conductive member comprises a sheet-shaped contact piece and a connecting rod extending in a direction perpendicular to a surface of the contact piece, an end of the connecting rod is bent downward to form a ground terminal, and the ground terminal is electrically connected to the ground plate.
3. The tray assembly according to claim 2, wherein one side surface of the contact piece is in contact with the display panel in the receiving groove, and a water absorbing layer is attached to the other side surface of the contact piece.
4. The tray assembly of claim 1, wherein the conductive member comprises a frame-shaped contact piece and a connecting rod extending in a direction perpendicular to a surface of the contact piece, an end of the connecting rod is bent downward to form a ground terminal, and the ground terminal is electrically connected to the ground plate.
5. The tray assembly according to claim 4, wherein one side surface of the contact piece is in contact with the display panel in the receiving groove, and a water sucking portion is provided at a center of the frame-shaped contact piece.
6. The tray assembly according to claim 1, wherein each of the receiving slots is provided with one of the grooves, and the grooves are disposed on the same side of the receiving slots.
7. The tray assembly according to claim 1, wherein each of the receiving slots is provided with one of the grooves, and the grooves corresponding to adjacent receiving slots are provided on different sides.
8. The tray assembly according to claim 1, wherein two of the grooves are disposed in each of the receiving grooves, and the two grooves are disposed on opposite sides of the receiving grooves.
9. The tray assembly of claim 1, wherein the surface of the ground plate is raised to form a plurality of bosses for contacting the conductive members.
10. The tray assembly of any of claims 1-9, comprising two stacked trays, wherein the conductive elements of an upper tray are in contact with the conductive elements of a lower tray such that all of the conductive elements are electrically connected to the ground plane.
CN202210565615.3A 2022-05-23 2022-05-23 Tray assembly Pending CN114873027A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210565615.3A CN114873027A (en) 2022-05-23 2022-05-23 Tray assembly

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Application Number Priority Date Filing Date Title
CN202210565615.3A CN114873027A (en) 2022-05-23 2022-05-23 Tray assembly

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CN111295029A (en) * 2020-03-27 2020-06-16 广东智源机器人科技有限公司 Destaticizing device and meal delivery system
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