CN114120845A - Display module and splicing display device - Google Patents
Display module and splicing display device Download PDFInfo
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- CN114120845A CN114120845A CN202111472705.XA CN202111472705A CN114120845A CN 114120845 A CN114120845 A CN 114120845A CN 202111472705 A CN202111472705 A CN 202111472705A CN 114120845 A CN114120845 A CN 114120845A
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Classifications
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- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- G—PHYSICS
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- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
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- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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Abstract
The embodiment of the application provides a display module and a splicing display device, wherein the display module comprises a display panel and a supporting frame, and the display panel is arranged on one side of the supporting frame through connecting glue; the supporting frame comprises a first plane and a second plane which are oppositely arranged along a first direction, and an outer peripheral side face which is connected with the outer peripheral edge of the first plane and the second plane; the first plane is attached to the display panel, the first direction is perpendicular to the first plane, and the second plane is far away from the display panel relative to the first plane; in a projection to the display panel in a first direction, the first plane coincides with a peripheral edge of the display panel, and the second plane falls within the first plane. The supporting frame adopts the design of 'wide top and narrow bottom', and the 'wide top' can ensure the splicing effect between the display modules; the lower part is narrow, so that the assembly and disassembly of the display module are easier, and the collision phenomenon of the display module is not easy to occur; in addition, the design of the lower narrow part enables the display module to have a fine adjustment space during splicing, and the splicing effect can be guaranteed.
Description
Technical Field
The embodiment of the application relates to the technical field of display devices, and particularly relates to a display module, a splicing box body and a splicing display device.
Background
The splicing display device comprises at least one splicing box body, each splicing box body comprises a box body base and a plurality of display modules, and each display module comprises a display panel and an aluminum frame; when the splicing is carried out, the display modules in the splicing box body are spliced and installed on the box body base, so that the splicing display of a plurality of display panels can be realized.
However, in order to satisfy higher concatenation precision, between display module assembly and the display module assembly to and, be between display module assembly and the box base and closely cooperate, thereby lead to the increase of readjustment degree of difficulty behind the concatenation, lead to display module assembly installation and dismantlement moreover comparatively difficult.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a display module and a tiled display device.
In a first aspect, an embodiment of the present application provides a display module, which includes a display panel and a supporting frame, wherein the display panel is mounted on one side of the supporting frame through a connection glue; the supporting frame comprises a first plane and a second plane which are oppositely arranged along a first direction, and an outer peripheral side face which is connected with the outer peripheral edge of the first plane and the second plane; the first plane is attached to the display panel, the first direction is perpendicular to the first plane, and the second plane is far away from the display panel relative to the first plane;
in a projection to the display panel along the first direction, the first plane coincides with a peripheral edge of the display panel, and the second plane falls within the first plane.
In the supporting frame in the display module, the design of 'wide top and narrow bottom' is adopted, namely, the part of the supporting frame close to the display panel is aligned with the peripheral end face of the display panel, and the part far away from the display panel is narrowed; the upper width can ensure that the splicing seams between the display modules cannot be changed relative to the display modules in the related technology, and the splicing display effect is ensured, and the lower width can ensure that the display modules are easy to take down from and place on the box body base and are not easy to collide when the display modules are assembled and disassembled, so that fragile glass plates are protected, and the assembly yield is ensured; in addition, the design of "narrow down" makes the display module assembly for correlation technique, has certain fine setting space to make when finding the piece effect not good, can reach the effect of seamless concatenation through the fine setting.
In a possible embodiment, the peripheral side surface includes a first connection surface and a second connection surface along the first direction, the first connection surface connects the first plane and is disposed parallel to the first direction, and the second connection surface connects the first connection surface and the second plane.
In one possible embodiment, the first connection surface and the first flat surface are finished surfaces, and the second connection surface is a rough surface.
In one possible embodiment, the thickness of the display panel in the first direction is 0.7mm, and the length of the first connection surface is 2-3 mm.
In a possible embodiment, the supporting frame is an aluminum frame with a hollow portion, and a weight-reducing groove is provided on the second connecting surface.
In a possible embodiment, the support frame is fitted with a magnetic suction piece cooperating with a magnetic suction cup.
In a possible embodiment, the magnetically attracting member is a magnetically attracting spacer perpendicular to the first direction.
In a possible embodiment, the magnetic attraction piece includes the magnetic attraction pad disposed at a central position of the support frame, and/or includes at least two magnetic attraction pads uniformly disposed around the central position of the support frame.
In a possible embodiment, the supporting frame is a rectangular plate-shaped structure, and the magnetic attraction piece comprises two magnetic attraction gaskets which are symmetrically arranged relative to a vertical bisector of a rectangular side.
In a possible implementation manner, the supporting frame is provided with a first circuit board and a first connecting piece, the first circuit board is electrically connected with the display panel through a flexible circuit board, and a first plug connector is arranged on the first circuit board.
In one possible implementation manner, the display panel includes an array substrate and a plurality of pixel units arranged in an array on one side of the array substrate, and the pixel units are sub-millimeter light emitting diodes or micrometer light emitting diodes.
In a possible implementation manner, the display panel further includes a transparent cover plate, the array substrate is a transparent structure, and the transparent cover plate is connected with the array substrate through a transparent optical adhesive; the sub-millimeter light emitting diode or the micron light emitting diode is arranged on one side of the array substrate, which is far away from the transparent optical cement.
The second invention provides a spliced display device, which comprises at least one spliced box body, wherein the spliced box body comprises at least one display module and a box body base, the display module is arranged on the box body base in a spliced mode, and the display module in the spliced box body is installed on the box body base in a spliced mode.
In a possible implementation manner, the display module is provided with a first connecting piece and a first plug connector, the box base is provided with mounting positions corresponding to the display module one to one, each mounting position is provided with a second connecting piece and a second plug connector, the first connecting piece and the second connecting piece are detachably connected, and the first plug connector is in plug-pull fit with the second plug connector.
In a possible embodiment, the first connecting member is a magnetic nut, and the second connecting member is a magnetic pillar that attracts the magnetic nut.
In a possible implementation manner, one of the box body base and the display module is provided with a positioning pin, the other one is provided with a positioning hole matched with the positioning pin, and the height of the positioning pin is adjustable.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or related technologies of the present application, the drawings needed to be used in the description of the embodiments or related technologies are briefly introduced below, it is obvious that the drawings in the following description are only one or more embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present disclosure;
fig. 2 is an exploded view of a display module according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a base of a box provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of a display module and a base of a box provided in the embodiment of the present application;
FIG. 5 is a schematic diagram illustrating a plurality of display modules and a chassis of a case according to an embodiment of the present disclosure;
fig. 6 is a first schematic structural diagram of an aluminum frame according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of an aluminum frame according to an embodiment of the present application;
fig. 8 is a schematic view illustrating a combination of an aluminum frame and a display panel according to an embodiment of the present disclosure;
fig. 9 is a schematic diagram illustrating splicing between display modules according to an embodiment of the present application.
Description of reference numerals:
the display panel comprises a transparent cover plate 1, a transparent optical adhesive 2, an array substrate 3, an aluminum frame 4, a magnetic nut 5, a first circuit board 6, a positioning pin 7, a display module 8, a double-sided adhesive 9, a display panel 10, a base body 11, a magnetic column 12, a positioning hole 13, a second circuit board 14, a power supply 15, an installation cavity 16, a box base 17, a first plane 18, a magnetic gasket 19, a hollow part 20, a peripheral side face 21, a weight reduction groove 22, a second plane 23, a first connection face 24 and a second connection face 25.
Detailed Description
In the related art, a tiled display device includes a plurality of tiled cases, each of which includes a case base and a plurality of display modules, each of which includes a display panel; when the splicing is carried out, a plurality of display modules are spliced and installed on the box body base, and then a plurality of spliced box bodies are spliced and combined, so that the spliced display of a plurality of display panels can be realized.
In the Display module, the Display panel includes pixel units arranged in an array, and the pixel units may be Light-Emitting diodes (LEDs), sub-millimeter Light-Emitting diodes (Mini LEDs), Micro LEDs (Micro LEDs), Liquid Crystal pixel units (Liquid Crystal Display, abbreviated as LCD), Organic Light-Emitting diodes (OLED), and the like.
The Mini LED is an LED chip with the grain size of about 100-300 μm, and the Micro LED is an LED chip with the grain size of less than 100 μm. The Mini LED/Micro LED can be used as a self-luminous LED for display, and has the advantages of low power consumption, high brightness, high resolution, high color saturation, high reaction speed, long service life, high efficiency and the like. The Mini LED/Micro LED display module can be spliced to realize super-large screen display, and has wide application prospect in large-size display fields such as command monitoring centers, business centers, high-end conferences, private cinemas and the like.
Taking a Mini LED/Micro LED display panel as an example, two splicing schemes of PCB splicing and glass-based splicing are provided in the related technology. For the splicing scheme with the Pixel Pitch (Pixel Pitch) of more than 1.2mm, the method for splicing is simple due to the large Pixel Pitch, the precision requirement is not high, and PCB splicing can be selected. In the scheme of PCB splicing, a Mini LED/Micro LED chip is welded on a PCB, and a mounting hole is formed in the PCB. And meanwhile, a first Connector (Connector1) is arranged on the PCB, a second Connector (Connector2) is arranged on the box base, and the first Connector and the second Connector are butted when the display panel is assembled with the box base so as to display and control the display panel through the first Connector and the second Connector. The PCB is also fixedly connected with the base of the box body through a connecting piece penetrating through the mounting hole.
With the innovative iteration of display technology, high resolution Mini LED/Micro LED display products with pixel pitch below 0.9mm are beginning to be marketed. For a Mini LED/Micro LED display splicing scheme with the pixel pitch of less than 0.9mm, the PCB splicing is difficult to realize, and glass-based splicing is usually required. In the glass base concatenation scheme, Mini LED Micro LED chip direct mount is on the glass board, because the glass board is fragile, can not directly carry out fixed connection with the box base, need bond the glass board on the aluminium frame through the double faced adhesive tape earlier, be provided with on the aluminium frame with box base complex mounting hole and first connector, form a complete concatenation box with the box base equipment again. The connection mode of the aluminum frame and the box body base is the same as that of the PCB splicing scheme, and the description is not repeated here.
In order to realize sufficient splicing precision to ensure a splicing effect, when the display module is spliced on the box body base, the peripheral end surfaces of the aluminum frame and the glass plate in the display module and the peripheral end surfaces of the aluminum frame and the glass plate in the adjacent display module are tightly abutted and matched, and the peripheral end surfaces of the aluminum frame and the glass plate in the display module and the inner wall surface of the frame of the splicing box body are not provided with enough adjusting space, so that further fine adjustment cannot be carried out, and the final splicing effect is influenced; in addition, the tight fit also can lead to display module assembly comparatively difficult when assembling and dismantling, produces colliding with of display module assembly easily, has especially increased the risk that the glass board damaged, influences the product yield.
In view of this, the embodiment of the present application provides a display module and a tiled display device, in a support frame in the display module, a design of "wide top and narrow bottom" is adopted, that is, a portion of the support frame close to a display panel is aligned with an outer peripheral end face of the display panel, and a portion far away from the display panel is narrowed; the upper width can ensure that the splicing seams between the display modules cannot be changed relative to the display modules in the related technology, and the splicing display effect is ensured, and the lower width can ensure that the display modules are easy to take down from and place on the box body base and are not easy to collide when the display modules are assembled and disassembled, so that fragile glass plates are protected, and the assembly yield is ensured; in addition, the design of "narrow down" makes the display module assembly for correlation technique, has certain fine setting space to make when finding the piece effect not good, can reach the effect of seamless concatenation through the fine setting.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a tiled display device, and this tiled display device includes at least one concatenation box, and every concatenation box includes box base and can with at least one display module assembly of this box base equipment.
Fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present disclosure, and fig. 2 is an exploded view of the display module according to the embodiment of the present disclosure, as shown in fig. 1 and fig. 2, the display module 8 includes a transparent cover plate 1, a transparent optical adhesive 2, a display panel 10, and an aluminum frame 4. The transparent cover plate 1 is a transparent plate-shaped structure with certain rigidity, plays a certain role in protecting the display panel 10, and can be made of glass, quartz, plastic or other materials, for example, in this embodiment, the transparent cover plate 1 is a glass plate. One side of the transparent cover plate 1 is provided with a transparent optical Adhesive 2 (OCA), and the transparent optical Adhesive 2 is used for connecting the display panel 10.
The display panel 10 includes an array substrate 3 and a pixel unit, and the array substrate 3 includes a substrate and a driving circuit provided on one side of the substrate. In the present embodiment, the array substrate 3 is a transparent structure, and the substrate is a transparent and rigid plate-shaped structure, and may be made of glass, quartz, plastic or other materials. The conductor material, the insulating material and the semiconductor material in the array substrate 3 may all be made of transparent materials, for example, the conductor material may be Indium Tin Oxide (ITO), the insulating material may be silicon nitride (SiNx), and the semiconductor material may be amorphous silicon or Indium Gallium Zinc Oxide (IGZO). The substrate of the array substrate 3 is attached to the transparent cover plate 1 through the transparent optical cement 2.
The display panel 10 includes a plurality of pixel units arranged in an array, and the driving circuit includes thin film transistors disposed corresponding to the pixel units. The pixel units are arranged on one side of the substrate base plate, which is provided with the driving circuit, and each pixel unit is connected with the corresponding thin film transistor. Each pixel unit includes a sub-pixel capable of emitting a single color, and illustratively, the pixel unit may include an R sub-pixel for generating red, a G sub-pixel for generating green, and a B sub-pixel for generating blue. By adjusting the ratio of red, green and blue, a color display is achieved.
In the Display panel 10 provided in the embodiment of the present application, the pixel units may be Light-Emitting diodes (LEDs), sub-millimeter Light-Emitting diodes (Mini LEDs), Micro LEDs (Micro LEDs), Liquid Crystal pixel units (LCDs, abbreviated as LCDs), Organic Light-Emitting diodes (OLEDs), and the like.
In the embodiment, the pixel unit is a Mini LED, and a Mini LED chip may be soldered on the substrate of the array substrate 3 by an SMT (Surface mount Technology) process. When the array substrate is installed, one side of the array substrate 3 far away from the Mini LED chip is attached to the transparent cover plate 1. In order to achieve a better display effect, the display panel 10 may be subjected to a blackening process.
Since the transparent cover plate 1 is a glass plate, glass is fragile, and it is difficult to directly connect with the box base 17 (see fig. 4 and 5), the display panel 10 further includes a support frame, and the support frame may be made of light metal or hard plastic. In this embodiment, the supporting frame is an aluminum frame 4 made of metal aluminum, and the aluminum frame 4 is mounted on a side of the display panel 10 away from the substrate through a double-sided tape 9. In the present embodiment, the double-sided tape 9 is taken as an example for explanation, but the present embodiment is not limited thereto, and any adhesive tape capable of adhering the aluminum frame 4 and the display panel 10 may be used instead of the double-sided tape 9.
The aluminum frame 4 is provided with a first circuit board 6, a first connecting piece and a positioning pin 7, the first circuit board 6 is electrically connected with the flexible circuit board, and the other end of the flexible circuit board is bound with the array substrate 3. The first circuit board 6 is also provided with a first plug connector. The positioning pin 7 is provided vertically on the aluminum frame 4, and may be provided in one or more number.
Fig. 3 is a schematic structural diagram of a box base provided in the embodiment of the present application, fig. 4 is a schematic structural diagram of a display module and a box base provided in the embodiment of the present application, and fig. 5 is a schematic matching diagram of a plurality of display modules and box bases provided in the embodiment of the present application, as shown in fig. 3 to 5, the box base 17 includes a base body 11, a positioning hole 13, a second circuit board 14, a power supply 15, and a second connecting member; the base body 11 is limited to have an opening installation cavity 16, a second circuit board 14, a positioning column, a power supply 15 and a second connecting piece are arranged in the installation cavity 16, the power supply 15 is connected with the second circuit board 14, and the second circuit board 14 is provided with a second plug-in connector.
When the display module assembly 8 is assembled with the box base 17, the positioning pin 7 extends into the positioning hole 13, so that the display module assembly 8 and the box base 17 are positioned. The positioning pin 7 is of a height-adjustable structure, so that the mounting precision and the splicing precision of the display module 8 can be finely adjusted by adjusting the height of the positioning pin 7.
The second plug connector is plugged and matched with the second plug connector, and the power supply 15 is transmitted to the display panel 10 through the second circuit board 14, the second plug connector, the first circuit board 6 and the flexible circuit board, so that power supply for the display panel 10 is realized. In addition, the driving signal of the display panel 10 can also be transmitted to the display panel 10 through the second circuit board 14, the second plug connector, the first circuit board 6 and the flexible circuit board, so as to realize the display control of the display panel 10.
The pluggable cooperation between the first plug connector and the second plug connector can make the assembly of the display module 8 and the box base 17 more convenient.
First connecting piece can be dismantled with the second connecting piece and be connected to realize the fixed between display module assembly 8 and the box base 17, in this embodiment, first connecting piece is for setting up in 4 magnetism of aluminium frame and inhale nut 5, and the second connecting piece is for setting up in the magnetism post 12 of inhaling of base body 11, inhales the cooperation through magnetism of inhaling nut 5 and magnetism post 12, makes things convenient for display module assembly 8 and box base 17's direct combination. In other embodiments, the first and second connectors may be replaced with other detachable connectors, such as vacuum cups, threaded connectors, or snaps, among others.
Referring to fig. 5, 2 × 4 display modules 8 are disposed on one case base 17, in this embodiment, mounting positions corresponding to the display modules 8 one by one are disposed on the case base 17, and each mounting position is provided with a structure matched with the display module 8.
Fig. 6 is a first structural schematic view of an aluminum frame provided in an embodiment of the present application, fig. 7 is a second structural schematic view of an aluminum frame provided in an embodiment of the present application, fig. 8 is a matching schematic view of an aluminum frame and a display panel provided in an embodiment of the present application, and fig. 9 is a schematic view of a splicing between display modules provided in an embodiment of the present application, as shown in fig. 6 to 9, in a display module 8 provided in an embodiment of the present application, an aluminum frame 4 of the display module 8 is a rectangular plate-shaped structure, and includes a first plane 18 and a second plane 23 which are oppositely disposed along a first direction, and an outer peripheral side surface 21 connecting peripheral edges of the first plane 18 and the second plane 23. The first plane 18 is a bonding surface to be bonded to the display panel 10, and the first direction is perpendicular to the first plane 18. The second plane 23 is distant from the display panel 10 with respect to the first plane 18. Here, the first direction is a stacking direction of the display panel 10 and the aluminum frame 4, i.e., a direction perpendicular to a display plane of the display panel 10.
In a projection to the display panel 10 in a first direction, the first plane 18 coincides with the peripheral edge of the display panel 10, and the second plane 23 falls within the first plane 18. The peripheral side surface 21 includes a first connection surface 24 and a second connection surface 25 along the first direction, the first connection surface 24 connects the first plane 18 and is disposed parallel to the first direction, and the second connection surface 25 connects the first connection surface 24 and the second plane 23.
As can be seen from the above description, the first plane 18 of the aluminum frame 4 is aligned with the peripheral edge of the display panel 10, and the first connecting surface 24 is perpendicular to the first plane 18 and is also aligned with the peripheral edge of the display panel 10; the second plane 23 is retracted relative to the first plane 18 to form a structure form of "wide top and narrow bottom".
Because the display module 8 adopts the aluminum frame 4 provided by the above embodiment, the first connecting surface 24 in the aluminum frame 4 can ensure that the seam between the display modules 8 is not changed relative to the display modules 8 in the related art, and ensure the splicing display effect; when the second is connected face 25 and then can be guaranteed that display module assembly 8 assembles and dismantles, display module assembly 8 easily takes off from box base 17 and places on it, and the difficult phenomenon of colliding with that takes place display module assembly 8 simultaneously protects breakable glass board, guarantees the equipment yield.
In addition, because the second connecting surface 25 is not in close contact with other surfaces, the assembled display module 8 has a certain fine adjustment space, and therefore when the seam splicing effect is not good, the seamless splicing effect can be achieved through fine adjustment.
In order to ensure the splicing precision, the plane of the aluminum frame 4 that is matched with the display panel 10 and the plane that is matched with the other display modules 8 need to be subjected to finish machining, that is, the first plane 18 and the first connecting surface 24 are subjected to finish machining, wherein the finish machining means that the flatness of the machined surface does not exceed 0.1mm after machining. It can be understood that the finish machining is more difficult than the rough machining, the cost is higher, the finish machining area is larger, the overall cost is higher, and therefore on the premise that the splicing effect is not affected, only the first plane 18 and the first connecting surface 24 are subjected to finish machining, and the second connecting surface 25 and the second plane 23 are subjected to rough machining, so that the machining difficulty and the machining cost are favorably reduced. Here, rough machining is not limited to finish machining in flatness.
As mentioned above, the smaller the finish machining area is, the lower the overall cost is, and the specific design value needs to consider the splicing precision at the seam; for glass-based spliced products, in order to prevent the display panel 10 from losing efficacy due to collision between the edge of the glass plate and the adjacent aluminum frame 4, the gap between the display panels 10 needs to be controlled within 100um during splicing; if all the aluminum frames 4 are roughly processed, the shape tolerance of the aluminum frames 4 can only be controlled to be 0.5mm, when the glass plate is spliced under the condition, the probability that the glass plate collides with the adjacent aluminum frames 4 is very high, the display panel 10 fails with a very high probability, and the splicing yield is influenced.
In an actual product verification test, in an application scenario where the thickness of the display panel 10 is 0.7mm, when the design value a of the extension length of the second connection surface 25 in the first direction is 2 to 3mm, the collision occurrence rate is a/32, and when a < 2mm, the collision occurrence rate is 2/32; therefore, considering the cost and yield issues, the extension length of the second connection surface 25 along the first direction may be selected to be 2 mm.
In addition, in order to reduce the weight of the aluminum frame 4, the aluminum frame 4 is provided with a hollow portion, and a weight reduction groove 22 is opened on the second connection surface 25. And a certain distance is reserved between the two extending ends and the middle position of the second connecting surface 25, and no weight reduction groove 22 is arranged, so that the strength of the aluminum frame is not influenced while the weight is reduced.
When the display module 8 is assembled, generally, a vacuum chuck is used for sucking the surface of the display panel 10, and the display module 8 is assembled in the box body base 17 in a splicing way, if the assembly is not proper, the display module 8 is taken down from the box body base 17 by using the vacuum chuck, the display module is placed again after the position is adjusted, and the assembling of the whole spliced box body is repeatedly completed; as described above, the display panel 10 and the supporting frame are connected by the adhesive, and the adhesive force of the adhesive between the display panel 10 and the aluminum frame 4 is easily damaged in the process of repeatedly assembling and disassembling the display panel and the supporting frame, so that the display panel 10 is deviated, and peeling and other defects are generated with the adhesive, which affects the structural firmness of the display module 8.
In view of this, in the display module 8 and the tiled display device provided in the embodiment of the present application, the magnetic suction cup is used to complete the grabbing and releasing of the display module 8, and accordingly, the supporting frame is provided with the magnetic suction piece matched with the magnetic suction cup, and the grabbing and releasing of the display module 8 is realized through the magnetic suction force between the magnetic suction cup and the magnetic suction piece; so design, the piece is inhaled to effort direct action that the sucking disc produced is inhaled to magnetism on the carriage, can not drag the bonding between display panel 10 and the carriage and glue to can not influence the reliability of being connected between aluminium frame 4 and the display panel 10, guarantee display module 8 structural stability well.
Referring to fig. 1 to 6, in the present embodiment, the aluminum frame 4 is a rectangular plate-shaped structure, two magnetic spacers 19 are symmetrically disposed on two sides of a perpendicular bisector of a long side of the rectangle, and the magnetic spacers 19 are fixedly mounted on the aluminum frame 4 through a threaded connector.
The magnetic attraction spacer 19 is a sheet structure made of ferromagnetic material, the ferromagnetic material can be attracted by a magnet, and can be iron, cobalt, nickel and other substances and their alloys, and the sheet structure is perpendicular to the first direction. The magnetic attraction gasket 19 in the aluminum frame 4 is called magnetic attraction piece.
Magnetism is inhaled gasket 19 and is set up for perpendicular bisector symmetry, can guarantee that display module 8 is when equipment and dismantlement, magnetism is inhaled the sucking disc and is adsorbed at 8 central points of display module and put, thereby guarantee the homogeneity of the adsorption affinity that display module 8 receives, display module 8 can not inhale the absorption of sucking disc and take place the slope down, thereby make display module 8 when the equipment, can be directly on the top directly cooperate with box base 17, the design so, can avoid on the one hand because colliding with of the glass board that display module 8 slopes to lead to, reduce the risk of damage, guarantee the yields. On the other hand, the magnetic suction disc is adsorbed at the central position of the display module 8, and when the display module 8 is assembled with the box base 17, accurate alignment can be realized, for example, in the above embodiment, the accuracy of alignment of the magnetic suction nut, the magnetic suction column, the positioning hole and the positioning pin, the second plug connector, the first plug connector and the like is ensured, and the assembly precision between the display module and the box base, the display module and the display module can be successfully realized by one-time assembly, so that the seamless splicing effect is achieved; and can also improve packaging efficiency, reduce the risk of colliding with.
In the above embodiment, the magnetic attraction piece includes two magnetic attraction pads, and the two magnetic attraction pads are symmetrically disposed on two sides of the perpendicular bisector of the long side of the rectangle of the aluminum frame; for another example, the magnetic member may include a magnetic spacer disposed at a central position of the support frame, and for another example, the magnetic member may include a plurality of magnetic spacers uniformly disposed around the central position of the support frame. Furthermore, the magnetic member is not limited to a sheet structure, but may be a plurality of point structures uniformly distributed on the aluminum frame.
In addition, in a possible implementation mode, the supporting frame can be made of a ferromagnetic material instead of the aluminum frame in the above embodiment, and the design is carried out without separately arranging a magnetic suction gasket.
In the tiled display device that this application embodiment provided, can also include a plurality of tiled boxes, the equipment of a plurality of tiled boxes can form not unidimensional demonstration tiled products.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless explicitly stated or limited otherwise; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features mentioned in the different embodiments of the present application can be combined with each other as long as they do not conflict with each other.
So far, the technical solutions of the present application have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present application is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the present application, and the technical scheme after the changes or substitutions will fall into the protection scope of the present application.
Claims (16)
1. A display module is characterized by comprising a display panel and a supporting frame, wherein the display panel is arranged on one side of the supporting frame through connecting glue; the supporting frame comprises a first plane and a second plane which are oppositely arranged along a first direction, and an outer peripheral side face which is connected with the outer peripheral edge of the first plane and the second plane; the first plane is attached to the display panel, the first direction is perpendicular to the first plane, and the second plane is far away from the display panel relative to the first plane;
in a projection to the display panel along the first direction, the first plane coincides with a peripheral edge of the display panel, and the second plane falls within the first plane.
2. The display module according to claim 1, wherein the peripheral side surface comprises a first connecting surface and a second connecting surface along the first direction, the first connecting surface is connected with the first plane and arranged parallel to the first direction, and the second connecting surface is connected with the first connecting surface and the second plane.
3. The display module of claim 2, wherein the first connecting surface and the first flat surface are finished surfaces and the second connecting surface is a rough surface.
4. The display module according to claim 3, wherein the thickness of the display panel in the first direction is 0.7mm, and the extension length of the first connecting surface is 2-3 mm.
5. The display module according to claim 3, wherein the supporting frame is an aluminum frame with a hollow portion, and a weight-reducing groove is disposed on the second connecting surface.
6. The display module assembly of any one of claims 1-5, wherein the support frame is provided with a magnetic attraction member cooperating with a magnetic attraction chuck.
7. The display module of claim 6, wherein the magnetic member is a magnetic spacer perpendicular to the first direction.
8. The display module assembly of claim 7, wherein the magnetic attraction member comprises the magnetic attraction spacer disposed at a central position of the supporting frame, and/or comprises at least two magnetic attraction spacers uniformly disposed around the central position of the supporting frame.
9. The display module assembly of claim 7, wherein the supporting frame is a rectangular plate-shaped structure, and the magnetic attraction member comprises two magnetic attraction spacers symmetrically disposed with respect to a perpendicular bisector of a side of the rectangular plate-shaped structure.
10. The display module assembly according to claim 1, wherein the supporting frame is provided with a first circuit board and a first connector, the first circuit board is electrically connected with the display panel through a flexible circuit board, and the first circuit board is provided with a first plug connector.
11. The display module as claimed in claim 1, wherein the display panel comprises an array substrate and a plurality of pixel units arranged in an array on one side of the array substrate, and the pixel units are sub-millimeter light emitting diodes or micrometer light emitting diodes.
12. The display module assembly of claim 11, wherein the display panel further comprises a transparent cover plate, the array substrate is a transparent structure, and the transparent cover plate is connected to the array substrate through a transparent optical adhesive; the sub-millimeter light emitting diode or the micron light emitting diode is arranged on one side of the array substrate, which is far away from the transparent optical cement.
13. A spliced display device, which is characterized by comprising at least one spliced box body, wherein the spliced box body comprises at least one display module group as claimed in any one of claims 1 to 12, and a box body base, and the display module group in the spliced box body is spliced and installed on the box body base.
14. The tiled display device of claim 13, wherein the display module is provided with a first connector and a first plug connector, the cabinet base is provided with mounting locations corresponding to the display module one to one, each mounting location is provided with a second connector and a second plug connector, the first connector and the second connector are detachably connected, and the first plug connector and the second plug connector are detachably engaged.
15. The tiled display apparatus of claim 14, wherein the first connector is a magnetic nut and the second connector is a magnetic post that attracts the magnetic nut.
16. The tiled display apparatus of claim 13, wherein one of the box base and the display module is provided with a positioning pin, and the other is provided with a positioning hole matching with the positioning pin, wherein the positioning pin has an adjustable height.
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| CN202111472705.XA CN114120845B (en) | 2021-11-30 | 2021-11-30 | Display module and spliced display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023164975A1 (en) * | 2022-03-02 | 2023-09-07 | 惠州华星光电显示有限公司 | Tiled display apparatus |
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| CN113470538A (en) * | 2021-06-28 | 2021-10-01 | Tcl华星光电技术有限公司 | Miniature light-emitting diode spliced display screen and preparation method thereof |
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| CN111833758A (en) * | 2019-04-18 | 2020-10-27 | 群创光电股份有限公司 | Tiled display device |
| CN110675768A (en) * | 2019-11-12 | 2020-01-10 | 深圳创维－Rgb电子有限公司 | LED (light-emitting diode) assembling module |
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