CN216942217U - Display screen laminating device and equipment - Google Patents

Display screen laminating device and equipment Download PDF

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Publication number
CN216942217U
CN216942217U CN202220103365.7U CN202220103365U CN216942217U CN 216942217 U CN216942217 U CN 216942217U CN 202220103365 U CN202220103365 U CN 202220103365U CN 216942217 U CN216942217 U CN 216942217U
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China
Prior art keywords
clamp
driving
display screen
cavity
base
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CN202220103365.7U
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Chinese (zh)
Inventor
张文森
王康康
曾木
胡堰
魏东
赵宽
吴吉
汪洋
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BOE Technology Group Co Ltd
Mianyang BOE Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Mianyang BOE Optoelectronics Technology Co Ltd
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Priority to CN202220103365.7U priority Critical patent/CN216942217U/en
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Abstract

The utility model discloses a display screen laminating device and equipment, wherein the device comprises a base and a motion platform which are substantially frame-shaped; the two opposite sides of the motion platform are respectively provided with a first clamp capable of moving along a first direction, the other two opposite sides of the base are respectively provided with a second clamp capable of moving along a second direction, and the first direction and the second direction are mutually vertical in a horizontal plane; the motion platform is connected with the base in a sliding mode through the support blocks and can move along the first direction and the second direction; the driving component is used for driving the motion platform to move. The device keeps the position of the bearing film after the alignment through the second clamp, so that the bearing film is clamped again after the first clamp returns, when the flexible panel is attached to the curved glass, the distance between the edge of the first clamp and the curved glass is equal, and the attachment yield is improved.

Description

Display screen laminating device and equipment
Technical Field
The utility model relates to the field of display screen manufacturing. And more particularly, to a display screen attaching apparatus and device.
Background
In the laminating process of adopting silica gel Pad profile modeling laminating, the large-angle OLED product attaches the carrier film to the back of the flexible panel to play a bearing role, after the diaphragm is sent into the cavity, the film stretching clamp clamps the carrier film on two sides or four sides, the vision alignment system performs photographing alignment on the diaphragm and the glass cover plate, the XY theta deviation after alignment is compensated by the diaphragm, the clamp moves inwards (bilateral symmetry) after compensation is completed, the Pad moves upwards to profile the diaphragm on the silica gel Pad, and then the whole body is fed upwards and laminated into the glass panel.
The compensation of the membrane is provided by the overall motion of a membrane stretching clamp for clamping the carrier membrane, the relationship between the edge of the membrane stretching clamp and the long edge of the Pad is parallel and symmetrical in left-right distance, after the compensation, the parallel and symmetrical relationship is destroyed, the distances from the clamps on two sides to the Pad in the subsequent profiling are unequal, so that the carrier membrane at opposite positions is tensioned to different degrees during profiling, the membrane is pulled to be deviated, and the attachment deviation is generated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a display screen laminating device and equipment, wherein the device can adjust the position of a bearing film and realize accurate alignment of a flexible panel and curved glass.
According to an aspect of the present invention, there is provided a display screen attaching apparatus including: a base and a motion platform that are substantially frame-shaped; the two opposite sides of the motion platform are respectively provided with a first clamp capable of moving along a first direction, the other two opposite sides of the base are respectively provided with a second clamp capable of moving along a second direction, and the first direction and the second direction are mutually vertical in a horizontal plane;
the motion platform is connected with the base in a sliding mode through the support blocks and can move along the first direction and the second direction;
the driving component is used for driving the motion platform to move along the first direction and the second direction respectively.
Preferably, the supporting block is a three-layer structure, and sequentially comprises a lower connecting portion fixedly connected with the base, a sliding portion connected with the lower connecting portion and capable of sliding along the second direction, and an upper connecting portion connected with the sliding portion and capable of sliding along the first direction, wherein the upper connecting portion is rotatably connected with the moving platform.
Preferably, the driving part includes a first driving device and a second driving device which are arranged on the base, the first driving device is connected with the upper connecting portion and used for driving the upper connecting portion to slide along a first direction, and the second driving device is connected with the sliding portion and used for driving the sliding portion to slide along a second direction.
Preferably, the number of the supporting blocks is four, and the supporting blocks are respectively located at four corners of the moving platform, and the first driving device and the second driving device are respectively located at two opposite sides of the base.
Preferably, the first driving device comprises two first motors, and the two first motors are respectively connected with the upper connecting parts of the two supporting blocks through transmission mechanisms.
Preferably, the second driving device comprises a second motor, and the second motor is connected with the sliding part on the other supporting block through a transmission mechanism.
Preferably, the transmission mechanism comprises a screw rod connected with the output shaft of the first motor or the second motor, and a nut sleeved on the screw rod, and the nut is connected with the upper connecting part or the sliding part.
Preferably, the base is provided with a boss, and the second clamp is arranged on the boss, so that the second clamp is flush with the first clamp in height.
Preferably, the motion platform and the boss are respectively provided with a slide rail extending along the first direction and the second direction, and a driving assembly for driving the first clamp and the second clamp to move, and the first clamp and the second clamp are respectively provided with a slide groove matched with the slide rail.
According to another aspect of the utility model, a display screen attaching device is provided, which comprises an upper cavity with an open lower end, a lower cavity with an open upper end, and a vacuum pump communicated with the upper cavity or the lower cavity through an exhaust pipe, wherein an upper cavity jig is arranged in the upper cavity, a placement groove for installing curved glass and attaching the curved glass is arranged on the lower end surface of the upper cavity jig, a profiling elastic piece is arranged at the bottom of the lower cavity, the upper surface of the profiling elastic piece is a tile-shaped arc surface facing the placement groove, the display screen attaching device is arranged in the lower cavity through a first lifting device, a second lifting device for driving the lower cavity to move towards the upper cavity so as to enable the upper cavity to be connected with the lower cavity in a sealing manner is further arranged on the lower cavity, and a third lifting device for driving the profiling elastic piece to move up and down is connected to the profiling elastic piece, so that the flexible panel is pressed and attached to the curved glass by the profiling elastic piece;
the positioning system is connected to the driving part and used for controlling the movement of the motion platform according to the position information so that the flexible panel on the carrier film is opposite to the positioning groove.
The utility model has the following beneficial effects:
according to the display screen laminating device, the first clamp and the second clamp are arranged on the moving platform capable of moving along the first direction and the second direction, after the bearing film is clamped by the first clamp, the position of the flexible panel on the bearing film is adjusted through the movement of the moving platform, so that the flexible panel is aligned with the curved glass, then after the bearing film is clamped by the second clamp, the first clamp returns to the original position to clamp the bearing film again, and finally the flexible panel is laminated with the curved glass. The device keeps the position of the bearing film after alignment through the second fixture, so that the bearing film is clamped again after the first fixture returns, when the flexible panel is attached to the curved glass, the distance between the edge of the first fixture and the curved glass is equal, and the attachment yield is improved.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 shows a schematic structural diagram of the present invention.
Fig. 2 shows a schematic view of the bottom structure of the motion platform of the present invention.
Fig. 3 shows a schematic top view of the base of the present invention.
Fig. 4 shows a partial structural schematic of the present invention.
Detailed Description
In order to more clearly illustrate the utility model, the utility model 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 utility model.
In one embodiment of the display screen attaching apparatus of the present invention shown in fig. 1, the apparatus includes a base 10 and a moving platform 20 having a substantially frame shape, and a supporting block 30 and a driving part, wherein two opposite sides of the moving platform 20 are respectively provided with a first clamp 21 capable of moving in a first direction, and the other two opposite sides of the base 10 are respectively provided with a second clamp 11 capable of moving in a second direction, and the first direction and the second direction are perpendicular to each other in a horizontal plane. In this embodiment, the first direction is an x-axis direction in fig. 1, the second direction is a y-axis direction, and the first clamp 21 and the second clamp 11 are respectively used for clamping 4 sides of the carrier film.
The motion platform 20 is slidably coupled to the base 10 by a plurality of support blocks 30, and the motion platform 20 is capable of sliding in a first direction and a second direction. That is, a plurality of supporting blocks 30 are respectively located between the base 10 and the moving platform 20, and one end of each supporting block 30 is connected to the base 10, and the other end is connected to the moving platform 20. The driving member can drive the motion platform 20 to move along the first direction and the second direction respectively, that is, the driving member can drive the motion platform 20 to move in a horizontal plane.
When the display screen laminating device is used for laminating the flexible panel and the curved glass, the back surface of the flexible panel is attached to the bearing film and is conveyed to the device, at the moment, the moving platform 20 is located at the initial position, and the distance between the edge of the first clamp 21 and the edge of the profiling elastic piece is equal. The first clamp 21 moves to the edge of the carrier film along the first direction and clamps the two opposite sides of the carrier film, and since a certain position deviation exists between the flexible panel and the curved glass, after the driving part drives the moving platform 20 to move along the first direction and/or the second direction, the carrier film drives the flexible panel to move, so that the flexible panel is aligned with the curved glass.
Because the distance at the edge of the first anchor clamps 21 of both sides and the edge of profile modeling elastic component is inequality, if the profile modeling elastic component compresses tightly the laminating with flexible panel and curved surface glass this moment, then the distance that can make the carrier film of both sides remove varies, and the flexible panel is inconsistent with curved surface glass's bending zone contact during the laminating, easily leads to the bubble inequality in both sides bending zone, produces the bad problem of laminating bubble.
According to the utility model, after the first clamp 21 clamps the carrier film for alignment, the second clamp 11 moves to the edge position of the carrier film along the second direction and clamps the other two opposite sides of the carrier film, so that the position of the carrier film is kept still, the first clamp 21 loosens the carrier film, the driving part drives the motion platform 20 to move to the initial position, and the first clamp 21 clamps the two opposite sides of the carrier film again.
As shown in fig. 2 and 3, the supporting block 30 of the present embodiment is provided in a three-layer structure, and sequentially includes a lower connecting portion 31 fixedly connected to the base 10, a sliding portion 32 connected to the lower connecting portion 31 and capable of sliding in the second direction, and an upper connecting portion 33 connected to the sliding portion 32 and capable of sliding in the first direction, wherein the upper connecting portion 33 is rotatably connected to the moving platform 20.
Specifically, the lower connecting portion 31 is connected to the upper surface of the base 10 by welding, bonding or screwing, and the top of the upper connecting portion 33 is cylindrical and rotatably connected to the moving platform by a bearing. The top surface and the bottom surface of sliding part 32 are equipped with respectively along first direction and the first spout that extends of second direction, the top of lower connecting portion 31 and the bottom of last connecting portion 32 be equipped with first spout complex bellying to realize sliding part 32 and remove at lower connecting portion 31 top surface along the second direction, and upper connecting portion 33 moves at the top surface of sliding part 32 along the first direction, and then realize that motion platform 20 removes along first direction and second direction respectively for base 10.
The driving means includes a first driving device 41 and a second driving device 42 disposed on the base 10, the first driving device 41 is connected to the upper connecting portion 33 for driving the upper connecting portion 33 to move along a first direction, and the second driving device 42 is connected to the sliding portion 32 for driving the sliding portion 32 to move along a second direction.
In the present embodiment, the number of the supporting blocks 30 is 4, and the supporting blocks are respectively located at four corners of the base 10, and the first driving device 41 and the second driving device 42 are respectively located at two opposite sides of the base 10. Specifically, the first driving device 41 includes two first motors, the two first motors are respectively connected to the upper connecting portions 33 of the two supporting blocks 30 through a transmission mechanism, and the second driving device 42 includes 1 second motor, and the second motor is connected to the sliding portion 32 of the other supporting block 30 through a transmission mechanism. The transmission mechanism comprises a screw rod connected with output shafts of the first motor and the second motor and a nut sleeved on the screw rod, the nut is connected with the upper connecting part 33 or the sliding part 32, the motor drives the screw rod to rotate, so that the nut is driven to slide along the screw rod, the nut drives the upper connecting part 33 or the sliding part 32 to slide, and the motion platform is driven to move along the first direction and/or the second direction.
The first driving device 41 includes two first motors, and the rotation directions of the two first motors are the same, and simultaneously the motion platform 20 is driven to move along the first direction, or the rotation directions of the two first motors are opposite, and the motion platform 20 can be driven to rotate around the Z-axis by a certain angle.
As shown in fig. 3, the base 10 is provided with a boss 12, and the second fixture 11 is disposed on the boss 12, so that the second fixture 11 is flush with the first fixture 21, thereby facilitating the first fixture 21 and the second fixture 11 to simultaneously clamp the carrier film.
As shown in fig. 1, the moving platform 20 is further provided with a plurality of first slide rails 22 extending along a first direction, and a driving assembly 23, and the bottom of the first clamp 21 is provided with a second slide groove 23 engaged with the first slide rails 22, so as to realize the sliding connection between the first clamp 21 and the moving platform 20. The boss 12 is further provided with a plurality of second slide rails 13 extending along a second direction and a driving assembly 23, and the bottom of the second fixture 11 is provided with a third slide groove 14 matched with the second slide rails 13 to realize sliding connection between the second fixture 11 and the base 10. The driving assembly 23 includes a first driving motor and a screw nut transmission structure, an output shaft of the first driving motor is connected with the screw, and the nut is connected with the first clamp 21 and the second clamp 11, so that the driving assembly 23 can drive the first clamp 21 to move along the first direction and drive the second clamp 11 to move along the second direction.
The utility model also provides a display screen attaching device, which comprises an upper cavity with an opening at the lower end, a lower cavity with an opening at the upper end and a vacuum pump communicated with the upper cavity or the lower cavity through an exhaust pipe, wherein an upper cavity jig is arranged in the upper cavity, a mounting groove for mounting and attaching curved glass is arranged on the lower end surface of the upper cavity jig, a profiling elastic piece 50 is arranged at the bottom of the lower cavity, the upper surface of the profiling elastic piece 50 is a tile-shaped arc surface facing the mounting groove, the display screen attaching device is arranged in the lower cavity through a first lifting device, a second lifting device for driving the lower cavity to move towards the upper cavity so as to enable the upper cavity to be connected with the lower cavity in a sealing manner is further arranged on the lower cavity, and a third lifting device 51 for driving the profiling elastic piece to lift is connected on the profiling elastic piece, so that the screen body is tightly pressed and attached to the curved glass by the profiling elastic piece.
Be equipped with the epicoele tool in the epicoele body, the lower terminal surface of epicoele tool is equipped with the resettlement groove that is used for installing curved surface glass, and the resettlement groove has the same curved surface with curved surface glass, and when guaranteeing that curved surface glass installs in the resettlement groove, curved surface glass can laminate with the resettlement groove completely. The bottom of cavity is equipped with profile modeling elastic component 50 down, and this profile modeling elastic component 50 can be silica gel or rubber etc. have elastic material, and the upper surface of profile modeling silica gel spare is the tile type cambered surface, and this tile type cambered surface just to the resettlement groove of epicoele tool to compress tightly the laminating of flexible panel on the curved surface glass of resettlement inslot through profile modeling elastic component. The display screen laminating device for clamping the bearing film is positioned in the lower cavity, the bearing film is an elastic film, and a flexible panel is adhered to the upper surface of the bearing film.
The upper cavity can be a square box structure with an opening at the lower end, the lower cavity can be a square box structure with an opening at the lower end, and the upper cavity and the opening of the lower cavity are oppositely arranged so as to be buckled to form a closed cavity. Go up the cavity or be connected with the vacuum pump through the blast pipe on the cavity down, when last cavity and cavity lock down formed airtight cavity, the accessible vacuum pump was taken out the air in the airtight cavity to carry out subsequent laminating.
The equipment further comprises a vision system used for acquiring the position information of the screen body on the carrier film and an alignment system connected to the vision system, wherein the alignment system is connected to the driving part and used for controlling the motion platform 20 to move along the first direction and/or the second direction according to the position information so as to enable the flexible panel on the carrier film to face the placement groove.
When the display screen laminating equipment is used for laminating the flexible panel and the curved glass, the back surface of the flexible panel is attached to the bearing film and is conveyed to the middle device of the upper cavity and the lower cavity, the second lifting device is driven to the lower cavity to move towards the upper cavity, so that the upper cavity and the lower cavity are connected in a sealing mode, and meanwhile, the first lifting device drives the display screen laminating device to move synchronously. The motion platform 20 is in the initial position, and the edge of the first clamp 21 is equidistant from the curved edge of the contoured elastic member 50. The first clamp 21 moves to an edge position of the carrier film along a first direction and clamps opposite sides of the carrier film. The vision system obtains the position information of the flexible panel relative to the arrangement groove and transmits the obtained position information to the alignment system, and the alignment system drives the moving platform 20 to move through the driving part according to the position information so that the flexible panel is opposite to the arrangement groove, and the flexible panel is aligned with the curved glass.
Because the distance between the edge of the first clamp 21 on both sides and the curved surface edge of the profiling elastic piece 50 is unequal, if the profiling elastic piece presses the flexible panel and the curved glass for fitting, the moving distance of the carrier films on both sides can be unequal, and the flexible panel and the curved glass are inconsistent in contact in the bending area during fitting, which easily causes uneven bubbles in the bending areas on both sides and causes the problem of poor fitting bubbles.
Secondly, when the distance between the edge of the first clamp 21 and the curved edge of the profiling elastic member 50 is unequal, a certain included angle is formed between the edge of the first clamp 21 and the curved edge of the profiling elastic member 50, and in the process that the first clamp 21 moves towards the profiling elastic member 50, because the initial moving track of the first clamp 21 is perpendicular to the curved edge of the profiling elastic member 50, and the moving track of the first clamp 21 is no longer perpendicular to the curved edge of the profiling elastic member 50, if the first clamp 21 moves towards the profiling elastic member 50 along the track direction at this time, when the flexible panel is profiled onto the profiling elastic member 50, the bearing films at the two sides of the curved edge are subjected to different forces, the balance state of the bearing films is damaged, the bearing films deflect, so that the flexible panel deviates from the curved glass, and the flexible panel cannot be accurately fitted with the curved glass, the yield of the product is reduced.
According to the utility model, after the first clamp 21 clamps the carrier film for alignment, the second clamp 11 moves to the edge position of the carrier film along the second direction and clamps the other two opposite sides of the carrier film, so that the position of the carrier film is kept still, the first clamp 21 releases the carrier film, the driving part drives the motion platform 20 to move to the initial position, and the first clamp 21 clamps the two opposite sides of the carrier film again. The third lifting device 51 drives the profiling elastic element 50 to move upwards to completely press and attach the flexible panel to the curved glass, and particularly, at the bending part of the curved glass, under the deformation and extrusion of the profiling elastic element 50, the attaching effect of the flexible panel and the curved glass can be ensured. Meanwhile, the first clamp 21 and the second clamp 11 synchronously move towards the center, and because the distances between the edges of the first clamp 21 on the two sides at the moment and the curved surface edge of the profiling elastic piece 50 are equal, the flexible panel is in consistent contact with the bending areas on the two sides of the curved glass during the laminating process, the stability of the bearing film in the profiling process is improved, and the problems of laminating deviation and laminating bubble generation are reduced. This equipment keeps the position of the carrier film after counterpointing through second anchor clamps 11 for the centre gripping carrier film once more after first anchor clamps 21 return, so that when flexible panel and curved surface glass laminate, the edge of first anchor clamps 21 equals with curved surface glass's distance, thereby improves the yields of laminating.
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. The utility model provides a display screen laminating device which characterized in that includes: a base and a motion platform that are substantially frame-shaped; the two opposite sides of the motion platform are respectively provided with a first clamp capable of moving along a first direction, the other two opposite sides of the base are respectively provided with a second clamp capable of moving along a second direction, and the first direction and the second direction are mutually vertical in a horizontal plane;
the motion platform is slidably connected with the base through a plurality of support blocks and can move along the first direction and the second direction;
the driving component is used for driving the motion platform to move along the first direction and the second direction respectively.
2. The display screen attaching device according to claim 1, wherein the supporting block is provided with a three-layer structure, and sequentially comprises a lower connecting portion fixedly connected with the base, a sliding portion connected with the lower connecting portion and capable of sliding along a second direction, and an upper connecting portion connected with the sliding portion and capable of sliding along a first direction, wherein the upper connecting portion is rotatably connected with the moving platform.
3. The display screen attaching device according to claim 2, wherein the driving member includes a first driving device and a second driving device, the first driving device and the second driving device are disposed on the base, the first driving device is connected to the upper connecting portion and configured to drive the upper connecting portion to slide along a first direction, and the second driving device is connected to the sliding portion and configured to drive the sliding portion to slide along a second direction.
4. The display screen attaching apparatus according to claim 3, wherein said supporting blocks are provided in four numbers, respectively located at four corners of said moving platform, and said first driving means and said second driving means are respectively located at two opposite sides of said base.
5. The display screen attaching device according to claim 4, wherein the first driving device comprises two first motors, and the two first motors are respectively connected with the upper connecting portions of the two supporting blocks through a transmission mechanism.
6. The display screen attaching apparatus according to claim 5, wherein the second driving means includes a second motor, and the second motor is connected to the sliding portion of the other of the supporting blocks through a transmission mechanism.
7. The display screen attaching device according to claim 6, wherein the transmission mechanism includes a lead screw connected to the output shaft of the first motor or the second motor, and a nut sleeved on the lead screw, and the nut is connected to the upper connecting portion or the sliding portion.
8. The display screen attaching device according to claim 1, wherein the base is provided with a boss, and the second clamp is arranged on the boss so that the second clamp is flush with the first clamp in height.
9. The display screen attaching device according to claim 8, wherein the moving platform and the boss are respectively provided with a slide rail extending along the first direction and the second direction, and a driving assembly for driving the first clamp and the second clamp to move, and the first clamp and the second clamp are respectively provided with a slide groove engaged with the slide rail.
10. A display screen attaching device is characterized by comprising an upper cavity with an opening at the lower end, a lower cavity with an opening at the upper end and a vacuum pump communicated with the upper cavity or the lower cavity through an exhaust pipe, wherein an upper cavity jig is arranged in the upper cavity, a placement groove used for installing curved glass and attaching the curved glass is arranged on the lower end surface of the upper cavity jig, a profiling elastic piece is arranged at the bottom of the lower cavity, the upper surface of the profiling elastic piece is a tile-shaped arc surface just facing the placement groove, the display screen attaching device according to any one of claims 1 to 9 is arranged in the lower cavity through a first lifting device, a second lifting device used for driving the lower cavity to move towards the upper cavity so as to enable the upper cavity to be connected with the lower cavity in a sealing manner is further arranged on the lower cavity, and a third lifting device used for driving the profiling elastic piece to move up and down is connected to the profiling elastic piece, so that the flexible panel is pressed and attached to the curved glass by the profiling elastic piece;
the positioning system is connected to the driving part and used for controlling the movement of the motion platform according to the position information so that the flexible panel on the carrier film is opposite to the positioning groove.
CN202220103365.7U 2022-01-14 2022-01-14 Display screen laminating device and equipment Active CN216942217U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220103365.7U CN216942217U (en) 2022-01-14 2022-01-14 Display screen laminating device and equipment

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Application Number Priority Date Filing Date Title
CN202220103365.7U CN216942217U (en) 2022-01-14 2022-01-14 Display screen laminating device and equipment

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CN216942217U true CN216942217U (en) 2022-07-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116434670A (en) * 2023-06-13 2023-07-14 苏州优备精密智能装备股份有限公司 Automatic laminating device and laminating method for flexible OLED (organic light emitting diode) products

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116434670A (en) * 2023-06-13 2023-07-14 苏州优备精密智能装备股份有限公司 Automatic laminating device and laminating method for flexible OLED (organic light emitting diode) products

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