CN114530095A - Bonding apparatus and bonding method - Google Patents
Bonding apparatus and bonding method Download PDFInfo
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- CN114530095A CN114530095A CN202210181094.1A CN202210181094A CN114530095A CN 114530095 A CN114530095 A CN 114530095A CN 202210181094 A CN202210181094 A CN 202210181094A CN 114530095 A CN114530095 A CN 114530095A
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- cover plate
- carrier film
- flexible display
- display panel
- laminating
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000010030 laminating Methods 0.000 claims abstract description 67
- 239000003292 glue Substances 0.000 claims description 10
- 238000010073 coating (rubber) Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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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
- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a laminating device and a laminating method, which are used for laminating a flexible display panel and a cover plate, and the laminating device comprises: a carrier film comprising a first side and a second side disposed opposite to each other, the first side configured to attach a flexible display panel; the cover plate bearing assembly is used for bearing and moving the annular cover plate; the supporting roller assembly comprises at least 3 supporting roller shafts capable of moving relative to the carrier film, and the supporting roller shafts are used for fixing and tensioning the carrier film; and the laminating roller shaft assembly comprises a first support, a first linear reciprocating device and a laminating roller shaft, the first linear reciprocating device is arranged on the first support, the first support can rotate around the central axis of the annular cover plate, one end of the laminating roller shaft is connected to the first linear reciprocating device and can reciprocate on the first support, and the laminating roller shaft is configured to abut against the second surface of the bearing film so that the flexible display panel is laminated on the annular cover plate.
Description
Technical Field
The invention relates to the technical field of display. And more particularly, to a bonding apparatus and a bonding method.
Background
With the development of display technology, the application field of display devices is very wide, and the requirements of people on various performances of display screens are gradually improved. The flexible display screen has the characteristics of being bendable, and by utilizing the characteristics, the flexible display panel can be attached to the cover plate with the curved surface, so that the requirement of frameless display of people is met. The design of surrounding the screen can show the screen that improves terminal equipment and account for the ratio for the lateral surface a week of equipment is whole to be the display screen, should surround the display screen promptly and set up to 360 degrees annulars, and the front, the back and the both sides face of equipment are the display screen. However, the display screen with such a structure cannot utilize the existing device to adhere the flexible display panel to the protective cover plate.
Disclosure of Invention
The invention aims to provide a laminating device and a laminating method, which can realize effective lamination of a flexible display panel and a cover plate in a surround screen.
According to an aspect of the present invention, there is provided a bonding apparatus for bonding a flexible display panel and a cover plate, the bonding apparatus including:
a carrier film comprising first and second oppositely disposed faces, the first face configured to have the flexible display panel affixed thereto;
the cover plate bearing assembly is used for bearing and moving the annular cover plate;
a support roller assembly comprising at least 3 support rollers movable relative to the carrier film, the support rollers for securing and tensioning the carrier film; and
the laminating roller shaft assembly comprises a first support, a first linear reciprocating device and a laminating roller shaft, the first linear reciprocating device is arranged on the first support, the laminating roller shaft assembly comprises a first support and a laminating roller shaft, the first support can rotate around the central axis of the annular cover plate, one end of the laminating roller shaft is connected to the first linear reciprocating device and can reciprocate on the first support, and the laminating roller shaft is configured to abut against the second surface of the bearing film so that the flexible display panel is laminated on the annular cover plate;
the axis of the supporting roller shaft and the axis of the laminating roller shaft are parallel to the central axis of the annular cover plate, and the length of the supporting roller shaft and the length of the laminating roller shaft are both larger than the width of the flexible display panel.
Preferably, the first linear reciprocating device moves in a direction perpendicular to an axis of the bonding roller shaft.
Preferably, the first linear reciprocating device comprises a screw rod rotatably arranged on the first support, a motor driving the screw rod to rotate, and a sliding part sleeved on the screw rod, wherein a buffer part is connected to the sliding part, and one end of the laminating roller shaft is connected with the buffer part.
Preferably, the supporting roller assembly comprises 4 supporting roller shafts and a second bracket, and one end of each supporting roller shaft is connected to the second bracket and can move along the second bracket so that the carrier film is tensioned on the supporting roller shafts.
Preferably, the second support is provided with an X-shaped shape, and the second support is provided with a plurality of second linear reciprocating devices for driving 4 supporting roller shafts to move respectively.
According to another aspect of the present invention, there is provided a method for attaching a flexible display panel to an annular cover plate by using the attaching device, including:
attaching a first flexible display panel to the first surface of the first carrier film, and connecting two ends of the first carrier film with the two supporting roller shafts respectively;
moving the attaching device to the center of the annular cover plate, enabling the supporting roller shaft to be parallel to the central axis of the annular cover plate, driving the supporting roller shaft to move, and enabling the first carrier film to be unfolded and tensioned;
the first linear reciprocating device drives the attaching roller shaft to move, one end of the first flexible display panel is attached to the inner side surface of the annular cover plate, and the first support is driven to rotate and the first linear reciprocating device to move simultaneously, so that the attaching roller shaft attaches the first flexible display panel to the inner side surface of the annular cover plate;
driving the laminating roller shaft to return to an initial position, moving the laminating device to the outer side of the annular cover plate, driving the supporting roller shaft to move, loosening the first carrier film, and removing the first carrier film from the supporting roller shaft;
attaching a second flexible display panel to the first surface of the second carrier film, and connecting two ends of the second carrier film with the two supporting roller shafts respectively;
the cover plate bearing assembly drives the annular cover plate to rotate 180 degrees;
moving the attaching device to the center of the annular cover plate, driving the supporting roller shaft to move, and stretching and tensioning the second carrier film;
first straight reciprocating motion device drive the laminating roller removes, will second flexible display panel one end laminating extremely the inboard surface of annular apron, the drive simultaneously first support is rotatory with first straight reciprocating motion device motion, so that the laminating roller with the laminating of second flexible display panel extremely the inboard surface of annular apron.
Preferably, two glue coating areas are arranged on the inner side of the annular cover plate, and two side end portions of the first flexible display panel and the second flexible display panel are respectively located in the two glue coating areas.
Preferably, after the first flexible display panel and the second flexible display panel are attached to the annular cover plate, glue is coated in the two glue coating areas to seal two side ends of the first flexible display panel and the second flexible display panel.
Preferably, after the supporting rollers stretch and tension the first carrier film or the second carrier film, two of the supporting rollers fixedly connected to both ends of the first carrier film or the second carrier film may be rotated to adjust a tension force.
Preferably, after the first flexible display panel or the second flexible display panel is attached to the annular cover plate, the first carrier film or the second carrier film is irradiated by using an ultraviolet irradiation device to reduce the viscosity between the first carrier film and the second carrier film and between the first flexible display panel and the second flexible display panel
The invention has the following beneficial effects:
the application provides a laminating device and a laminating method are suitable for a flexible display panel to be laminated on the inner side surface of an annular cover plate in 360 degrees, and the problem that the conventional equipment cannot laminate a surrounding screen of the annular cover plate structure is solved. This laminating device will bear the weight of the membrane tensioning through setting up the supporting roller axle, then utilize the laminating roller axle to roll in along the inner peripheral surface of annular apron, laminate flexible display panel on annular apron, laminating roller axle and supporting roller axle are located different spaces respectively, can not produce the interference between the two.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic view showing the structure of the attaching device of the present invention.
FIG. 2 shows a side view of a doubler of the present invention.
Fig. 3 is a schematic diagram illustrating step S300 of the bonding method according to the present invention.
Fig. 4 is a schematic diagram illustrating step S600 of the bonding method according to 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 related art, the flexible screen can achieve various forms of bending, folding, curling, and the like. The surrounding screen is a novel flexible screen product form, comprises a plane area and an arc curved surface area, and does not have a mature and perfect laminating process flow at present. For example, when the roller mode is adopted to realize the attachment around the screen in the related art, the flexible display panel is rolled to enter one side of the curved cover plate for attachment after being curled, and some defects exist, for example: in the rolling and laminating process, the flexible display panel is greatly stressed and is easy to break; the attaching effect is poor, attaching bubbles in the arc curved surface area are seriously remained, and the like, and the flat area adopts a slide block attaching mode, so that a plurality of bubbles and the like are remained in the flat area, and the failure of the attaching process is caused.
In order to improve the attaching effect of the flexible screen, the embodiment of the disclosure provides an attaching device and an attaching method of a flexible screen, which can be applied to various flexible screen attaching processes, especially, can be applied to a surrounding screen attaching process to attach a flexible display panel and an annular cover plate, so as to improve the attaching effect of the flexible display panel and the annular cover plate.
As shown in fig. 1-2, the attaching device provided in the embodiment of the present disclosure is used to attach a flexible display panel 10 to a rigid annular cover plate 20, the annular cover plate 20 is a double-surrounding curved cover plate, and includes a first flat portion a, a second flat portion B, a third flat portion C, and a fourth flat portion D, and curved portions respectively located between 4 flat portions, in the embodiment, the first flat portion a and the third flat portion C are arranged in parallel, and the second flat portion B and the fourth flat portion D are arranged in parallel, so that a cross section of the annular cover plate 20 is formed into a rounded rectangular ring shape, and the flexible display panel 10 is attached to an inner side surface of the annular cover plate 20 to form a 360-degree annular display screen. It will be appreciated that in other embodiments, the annular display screen may have a variety of shapes, for example, the annular cover plate 20 may include two planar portions parallel to each other and a curved portion between the two planar portions to form a racetrack-type annular cover plate 20, or alternatively, a circular or oval cover plate, to which the attaching device of the present application is applicable. Of course, the above is only an example, and in practical applications, the specific form of the annular display screen is not limited to the above example, and the attaching device of the present application can be used as long as the shape of the annular cover plate 20 is a continuous annular structure.
As shown in fig. 1 and fig. 2, the attaching device provided by the embodiment of the present disclosure includes a cover plate bearing assembly (not shown), a carrier film 30, a supporting roller assembly 40, and an attaching roller assembly 50, the cover plate bearing assembly is used for bearing and moving the annular cover plate 20, the carrier film 30 includes a first face 31 and a second face 32 which are oppositely disposed, and the first face 31 is configured to attach the flexible display panel 10. The supporting roller assembly 40 includes at least 3 supporting rollers 41 capable of moving relative to the carrier film 30, the supporting rollers 41 are used for fixing and tensioning the carrier film 30, specifically, two ends of the carrier film 30 are respectively fixed on two supporting rollers 41, and the other supporting roller 41 is close to the second side 32 of the carrier film 30, when the supporting rollers 41 move towards the direction away from each other, the carrier film 30 is unfolded and tensioned on the supporting rollers 41.
The attaching roller assembly 50 includes a first bracket 51 and a first linear reciprocating device 52 disposed on the first bracket 51, and an attaching roller shaft 53, the first bracket 51 being capable of rotating around a central axis of the annular cover plate 20, one end of the attaching roller shaft 53 being connected to the first linear reciprocating device 52 and being capable of moving on the first bracket 51 with the first linear reciprocating device 52, the attaching roller shaft 53 being configured to press the second face 32 of the carrier film 30 to attach the flexible display panel 10 to the annular cover plate 20. The first bracket 51 extends along the radial direction of the annular cover plate 20, the joint roller shaft 53 extends along the axial direction of the annular cover plate 20, the moving direction of the first linear reciprocating device 52 is set to be along the extending direction of the first bracket 51, and the first bracket 51 and the joint roller shaft 53 are approximately L-shaped.
The supporting roller shaft 41 and the attaching roller shaft 53 both extend along the axial direction of the annular cover plate 20, the axes of the supporting roller shaft 41 and the attaching roller shaft 53 are both parallel to the central axis of the annular cover plate 20, and the lengths of the supporting roller shaft 41 and the attaching roller shaft 53 are both greater than the width of the flexible display panel 10, so that the flexible display panel 10 can be completely overlapped on the supporting roller shaft 41 along the width direction thereof, that is, the lengths of the supporting roller shaft 41 and the attaching roller shaft 53 are also greater than the axial direction of the annular cover plate 20.
In the laminating device provided by the embodiment of the present disclosure, after the supporting roller 41 stretches the carrier film 30, the laminating roller 53 is driven by the first bracket 51 to rotate along the central axis of the annular cover plate 20, and meanwhile, the laminating roller 53 is driven by the first linear reciprocating device 52 to move along the radial direction of the annular cover plate 20, so that the laminating roller 53 abuts against the second surface 32 of the carrier film 30, thereby abutting the flexible display panel 10 against the inner side surface of the annular cover plate 20, and surrounding the inner side of the annular cover plate 20 for a circle, laminating the flexible display panel 10 on the inner circumferential surface of the annular cover plate 20, and realizing a surrounding screen of 360 degrees.
The supporting roller shaft 41 and the attaching roller shaft 53 are located inside the annular cover plate 20, and the supporting roller shaft 41 and the annular cover plate 20 have a certain distance therebetween, and the supporting roller shaft 41 does not contact the annular cover plate 20. After the supporting roller 41 stretches the carrier film 30, the second surface 32 of the carrier film 30 contacts with the supporting roller 41 and is wound on the supporting roller 41, and the flexible display panel 10 is attached to the first surface 31 of the carrier film 30, so that the flexible display panel 10 is also wound on the supporting roller 41. It can be understood that the length of the carrier film 30 should be greater than the length of the flexible display panel 10, such that both side ends of the carrier film 30 respectively extend to the outside of both side edges of the flexible display panel 10, that is, the flexible display panel 10 is not attached to both side ends close to the carrier film 30, both side ends of the carrier film 30 are respectively and fixedly combined on two supporting rollers 41, and the middle position of the carrier film 30 is wound around the other supporting rollers 41 between the two supporting rollers 41, so that all the supporting rollers 41 stretch the carrier film 30.
The first support 51 is located outside the annular cover plate 20, and the first support 51 is also located outside the supporting roller shaft 41, when the first support 51 drives the attaching roller shaft 53 to rotate around the central axis of the annular cover plate 20, the attaching roller shaft 53 passes through between the supporting roller shaft 41 and the annular cover plate 20, that is, the attaching roller shaft 53 supports the carrier film 30 to pass through the outside of the supporting roller shaft 41 and move along the inner circumferential surface of the annular cover plate 20, so as to attach the flexible display panel 10 to the annular cover plate 20.
In the present embodiment, when the first carriage 51 is provided in a long columnar shape, the moving direction of the first linear reciprocating device 52 is provided along the extending direction of the first carriage 51, and the axis of the bonding roller shaft 53 is provided perpendicular to the first carriage 51, the axis of the bonding roller shaft 53 is also perpendicular to the moving direction of the first linear reciprocating device 52. Because one end of the attaching roller shaft 53 is connected with the sliding part of the first linear reciprocating device 52, and the axis of the attaching roller shaft 53 is parallel to the central axis of the annular cover plate 20, the first linear reciprocating device 52 can drive the attaching roller shaft 53 to move horizontally along the radial direction of the annular cover plate 20.
In some embodiments, the first linear reciprocating device 52 includes a screw rod, a motor for driving the screw rod to rotate, and a sliding component sleeved on the screw rod, the screw rod is arranged along the extending direction of the first middle part 51, the sliding component is connected with a buffering component, and one end of the attaching roller shaft 53 is connected with the buffering component, so that when the first linear reciprocating device 52 drives the attaching roller shaft 53 to attach the flexible display panel 10 to the annular cover plate 20, the buffering component can reduce the impact of the attaching roller shaft 53 on the annular cover plate 20, and the problem of damage to the annular cover plate 20 is avoided.
Specifically, the buffer component is a buffer cylinder, the cylinder body of the buffer cylinder is fixedly connected with the sliding component, and the end of the piston rod of the buffer cylinder is fixedly connected with the end of the attaching roller shaft 53. Wherein, cushion cylinder follows sliding part's moving direction sets up, and the axis of laminating roller 53 is mutually perpendicular with cushion cylinder's axis promptly to cushion cylinder can absorb the impact force of laminating roller 53 to annular cover plate 20, avoids its damage.
In some embodiments, the supporting roller assembly 40 includes 4 supporting rollers 41 and a second bracket 42, and one end of the supporting roller 41 is connected to the second bracket 42 and can move along the second bracket 42 to expand and tension the carrier film 30 to the supporting roller 41. Specifically, the second bracket 42 is provided in an X shape, the 4 supporting roller shafts 41 are respectively provided at four ends of the second portion 42 of the X shape, and a plurality of second linear reciprocating devices are further provided on the second bracket 42 for respectively driving the 4 supporting roller shafts 41 to move toward or away from the center of the X shape, that is, the 4 supporting roller shafts 41 can be translated in the radial direction of the annular cover plate 20. After the two ends of the carrier film 30 are fixed on the two supporting roller shafts 41, the supporting roller shafts 41 move away from the center of the annular cover plate 20, and the carrier film 30 is tensioned. In the present embodiment, 4 supporting roller shafts 41 are respectively moved toward 4 corners of the ring-shaped cover plate 20 to tension the carrier film 30.
In some embodiments, a clamping mechanism is further disposed on the supporting roller 41 for fixedly connecting the two ends of the carrier film 30, and the clamping mechanism can clamp the two ends of the carrier film 30 to fixedly connect the carrier film 30 and the supporting roller 41.
The embodiment of the present disclosure further provides a bonding method, in which the bonding device is used to bond the flexible display panel 10 and the annular cover plate 20, and the bonding method includes the following steps:
s100, attaching a first flexible display panel to the first surface of the first carrier film, and connecting two ends of the first carrier film with the two supporting roller shafts respectively.
It should be noted that, in this embodiment, the flexible display panel 10 attached to the inner side surface of the annular cover plate 20 is divided into two parts, namely a first flexible display panel and a second flexible display panel, the first flexible display panel is attached to the first surface of the first carrier film, the second flexible display panel is attached to the first surface of the second carrier film, and the first flexible display panel and the second flexible display panel are attached to the inner side of the annular cover plate 20 in an end-to-end manner, so that a 360-degree surround screen is realized. The lengths of the first flexible display panel and the second flexible display panel are equal, that is, each flexible display panel fits half of the perimeter of the annular cover plate 20. In this step, both ends of the first carrier film are connected to the supporting roller shafts 41, and at this time, the supporting roller shafts 41 are disposed close to each other.
S200, as shown in fig. 2 and 3, moving the attaching device to the center of the annular cover plate 20, and making the attaching roller 53 and the supporting roller 41 parallel to the central axis of the annular cover plate 20, driving the supporting roller 41 to move, so that the first carrier film is stretched and tensioned.
When the two ends of the first carrier film are fixedly connected to the two supporting roller shafts 41, the 4 supporting roller shafts 41 in this embodiment are initially located at positions close to each other, the middle portion of the first carrier film is overlapped on the other 2 supporting roller shafts 41, and after the supporting roller shafts 41 are translated toward the four corners thereof along the radial direction of the ring-shaped cover plate 20, the first carrier film is in an unfolded and tensioned state in which the middle portion of the first carrier film is wound around the 2 supporting roller shafts 41.
In some embodiments, step 200 may further comprise:
s201, after the first carrier film or the second carrier film is unfolded and tensioned by the supporting roller shafts 41, the two supporting roller shafts 41 fixedly connected with the first carrier film or the second carrier film can rotate to adjust the tensioning force.
The two supporting roll shafts 41 which are used for fixedly connecting the two ends of the first carrier film or the second carrier film are provided with clamping mechanisms, the clamping mechanisms can clamp the ends of the carrier films, when the two supporting roll shafts 41 rotate, the carrier films can be wound on the two supporting roll shafts in a multi-layer mode, the length of the carrier films is adjusted, and then the tension force of the carrier films is adjusted. The tension force is adjusted to adapt to the annular cover plate 20 with different shapes, so that the attaching roller 53 can prop the bearing film 30 open to enable the flexible display panel 10 to be attached to be in contact with the annular cover plate 20.
And S300, driving the attaching roller shaft 53 to move by the first linear reciprocating device, attaching one end of the first flexible display panel to the inner side surface of the annular cover plate 20, and then simultaneously rotating the first support 51 and driving the first linear reciprocating device 52 to move, so that the attaching roller shaft 53 attaches the first flexible display panel to the inner side surface of the annular cover plate 20.
The initial position of the attaching roller 53 is located in the region surrounded by the 4 supporting rollers 41, so that the second surface of the carrier film 30 is close to the attaching roller, after the attaching roller 53 translates along the radial direction of the annular cover plate 20, the attaching roller is in contact with the second surface of the first carrier film, then the one end of the first flexible display panel is continuously driven to attach to the inner side surface of the annular cover plate 20 first, and finally the attaching roller 53 rotates through the first bracket 51 and moves through the first linear reciprocating device 52, so that the attaching roller 53 rolls along the inner circumferential surface of the annular cover plate 20, the moving track of the attaching roller 53 is the half circumference of the annular cover plate 20, that is, the first bracket 51 rotates only 180 degrees, so that the half circumference of the annular cover plate 20 is attached to the first flexible display panel. The radius of the attaching roller 53 should be smaller than the radius of curvature of the curved surface portion of the annular cover plate 20 so that the attaching roller 53 can abut against the surface of the curved surface portion of the annular cover plate 20.
Set for two rubber coating districts on the inboard surface of annular apron 20 for first flexible display panel's both ends are located respectively in two rubber coating districts, laminating roller 53 is at first laminating first flexible display panel's one end in a rubber coating district, and at last after accomplishing first flexible display panel laminating, first flexible display panel's the other end is located another rubber coating district.
After the first flexible display panel is attached, the two ends of the first carrier film are fixedly connected to the supporting roller 41, so that the first flexible display panel can be separated from the first carrier film.
In some embodiments, step 300 further comprises:
s301, when the first flexible display panel is attached to the annular cover plate 20, the first carrier film is irradiated by an ultraviolet irradiation device to reduce the viscosity of the first carrier film and the first flexible display panel, so that the first flexible display panel is easily separated from the first carrier film.
S400, driving the attaching roller 41 to return to the initial position, moving the attaching device to the outer side of the annular cover plate 20, driving the supporting roller 41 to move, loosening the first carrier film, and removing the first carrier film from the supporting roller 41.
The supporting roller shafts 41 move in the direction of approaching each other, and in the present embodiment, the 4 supporting roller shafts 41 are translated toward the center position of the X-shaped second holder 42 to slacken the first carrier film, so that the first carrier film can be removed from the supporting roller shafts 41.
S500, attaching a second flexible display panel to the first surface of the second carrier film, and connecting two ends of the second carrier film with the two supporting roller shafts respectively.
S600, as shown in FIG. 4, the cover plate bearing assembly drives the annular cover plate 20 to rotate 180 degrees. The annular cover plate 20 is rotated 180 degrees about its central axis.
S700, moving the attaching device to the center of the annular cover plate 20, and driving the supporting roller shaft 41 to move so as to stretch and tension the second carrier film.
When the two ends of the second carrier film are fixedly connected to the two supporting roller shafts 41, the 4 supporting roller shafts 41 in this embodiment are initially located at positions close to each other, the middle portion of the first carrier film is overlapped on the other 2 supporting roller shafts 41, and after the supporting roller shafts 41 are translated toward the four corners thereof along the radial direction of the ring-shaped cover plate 20, the second carrier film is in an unfolded and tensioned state in which the middle portion of the second carrier film is wound around the 2 supporting roller shafts 41.
Step S700 is the same as step S200, and may also include adjusting the length of the carrier film by rotating 2 support rollers 41, so as to adjust the tension of the carrier film, which is not described herein again.
And S800, driving the attaching roller shaft 53 to move by the first linear reciprocating device 52, attaching one end of the second flexible display panel to the inner side surface of the annular cover plate 20, and then simultaneously driving the first support 51 to rotate and the first linear reciprocating device 52 to move, so that the attaching roller shaft 53 attaches the second flexible display panel to the inner side surface of the annular cover plate.
Wherein, the both ends of second flexible display panel also are located respectively in two rubber coating districts, laminating roller 53 is at first with the laminating of the one end of second flexible display panel in a rubber coating district, after accomplishing the laminating of second flexible display panel, the other end of second flexible display panel is located another rubber coating district.
In some embodiments, step S800 further comprises:
s801, will first flexible display panel and second flexible display panel laminate to annular apron 20 after two glue coating district internal coating glue is in order to seal first flexible display panel and second flexible display panel' S both sides terminal surface to avoid aqueous vapor to get into between flexible display panel 10 and the annular apron 20.
Step S800 is the same as step S300, and may further include irradiating the second carrier film with an ultraviolet irradiation device to reduce the viscosity between the second carrier film and the second flexible display panel, so that the second carrier film and the second flexible display panel are easily separated from each other.
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 laminating device for realize the laminating of flexible display panel and annular apron, its characterized in that includes:
a carrier film comprising first and second oppositely disposed faces, the first face configured to have the flexible display panel affixed thereto;
the cover plate bearing assembly is used for bearing and moving the annular cover plate;
a support roller assembly comprising at least 3 support rollers movable relative to the carrier film, the support rollers for securing and tensioning the carrier film; and
the laminating roller shaft assembly comprises a first support, a first linear reciprocating device and a laminating roller shaft, the first linear reciprocating device is arranged on the first support, the laminating roller shaft assembly comprises a first support and a laminating roller shaft, the first support can rotate around the central axis of the annular cover plate, one end of the laminating roller shaft is connected to the first linear reciprocating device and can reciprocate on the first support, and the laminating roller shaft is configured to abut against the second surface of the bearing film so that the flexible display panel is laminated on the annular cover plate;
wherein, the axis of support roller and laminating roller is on a parallel with the central axis of annular apron, just the length of support roller and laminating roller all is greater than flexible display panel's width.
2. The laminating device of claim 1, wherein the first linear reciprocating device moves in a direction perpendicular to an axis of the laminating roller.
3. The laminating device of claim 2, wherein the first linear reciprocating device comprises a screw rod rotatably disposed on the first support, a motor driving the screw rod to rotate, and a sliding member sleeved on the screw rod, wherein a buffer member is connected to the sliding member, and one end of the laminating roller shaft is connected to the buffer member.
4. The laminating device of claim 1, wherein the support roller assembly comprises 4 support rollers and a second bracket, one end of the support rollers being connected to the second bracket and being movable along the second bracket to tension the carrier film against the support rollers.
5. The laminating device according to claim 4, wherein the second frame is provided with an X-shape, and a plurality of second linear reciprocating devices for driving the 4 supporting roller shafts to move are respectively provided on the second frame.
6. A method for attaching a flexible display panel to an annular cover plate by using the attaching device according to any one of claims 1 to 5, comprising:
attaching a first flexible display panel to the first surface of the first carrier film, and connecting two ends of the first carrier film with the two supporting roller shafts respectively;
moving the attaching device to the center of the annular cover plate, enabling the supporting roller shaft to be parallel to the central axis of the annular cover plate, driving the supporting roller shaft to move, and enabling the first carrier film to be unfolded and tensioned;
the first linear reciprocating device drives the attaching roller shaft to move, one end of the first flexible display panel is attached to the inner side surface of the annular cover plate, and the first support is driven to rotate and the first linear reciprocating device to move simultaneously, so that the attaching roller shaft attaches the first flexible display panel to the inner side surface of the annular cover plate;
driving the laminating roller shaft to return to an initial position, moving the laminating device to the outer side of the annular cover plate, driving the supporting roller shaft to move, loosening the first carrier film, and removing the first carrier film from the supporting roller shaft;
attaching a second flexible display panel to the first surface of the second carrier film, and connecting two ends of the second carrier film with the two supporting roller shafts respectively;
the cover plate bearing assembly drives the annular cover plate to rotate 180 degrees;
moving the attaching device to the center of the annular cover plate, driving the supporting roller shaft to move, and stretching and tensioning the second carrier film;
first straight reciprocating motion device drive the laminating roller removes, will second flexible display panel one end laminating extremely the inboard surface of annular apron, the drive simultaneously first support is rotatory with first straight reciprocating motion device motion, so that the laminating roller with the laminating of second flexible display panel extremely the inboard surface of annular apron.
7. The attaching method according to claim 6, wherein two glue-coated regions are provided on an inner side of the annular cover plate, and both side end portions of the first flexible display panel and the second flexible display panel are respectively located in the two glue-coated regions.
8. The attaching method according to claim 7, wherein after attaching the first and second flexible display panels to the annular cover plate, glue is applied in the two glue applying regions to seal both side ends of the first and second flexible display panels.
9. The attaching method according to claim 6, wherein after the supporting rollers stretch and tension the first carrier film or the second carrier film, two of the supporting rollers fixedly connecting two ends of the first carrier film or the second carrier film can rotate to adjust a tension.
10. The attaching method according to claim 6, wherein when attaching the first flexible display panel or the second flexible display panel to the annular cover plate, the first carrier film or the second carrier film is irradiated by an ultraviolet irradiation device to reduce adhesion between the first carrier film and the second carrier film and between the first flexible display panel and the second flexible display panel.
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| CN202210181094.1A CN114530095B (en) | 2022-02-25 | 2022-02-25 | Bonding device and bonding method |
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| CN202210181094.1A CN114530095B (en) | 2022-02-25 | 2022-02-25 | Bonding device and bonding method |
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| CN114530095B CN114530095B (en) | 2023-12-26 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB584464A (en) * | 1944-01-15 | 1947-01-15 | Kamborian Jacob S | Improvements in or relating to machines for lasting welt-type shoes |
| CN210777620U (en) * | 2019-11-29 | 2020-06-16 | 深圳市易天自动化设备股份有限公司 | Full-automatic flexible screen body laminating machine |
| CN211699559U (en) * | 2020-05-06 | 2020-10-16 | 深圳市蓝宇自动化装备有限公司 | Carrier film pressing mechanism for laminating curved surface of flexible display screen |
| CN112874120A (en) * | 2021-01-28 | 2021-06-01 | 京东方科技集团股份有限公司 | Attaching jig and attaching method for flexible screen |
-
2022
- 2022-02-25 CN CN202210181094.1A patent/CN114530095B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB584464A (en) * | 1944-01-15 | 1947-01-15 | Kamborian Jacob S | Improvements in or relating to machines for lasting welt-type shoes |
| CN210777620U (en) * | 2019-11-29 | 2020-06-16 | 深圳市易天自动化设备股份有限公司 | Full-automatic flexible screen body laminating machine |
| CN211699559U (en) * | 2020-05-06 | 2020-10-16 | 深圳市蓝宇自动化装备有限公司 | Carrier film pressing mechanism for laminating curved surface of flexible display screen |
| CN112874120A (en) * | 2021-01-28 | 2021-06-01 | 京东方科技集团股份有限公司 | Attaching jig and attaching method for flexible screen |
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| CN114530095B (en) | 2023-12-26 |
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