CN114530095B - Bonding device and bonding method - Google Patents
Bonding device and bonding method Download PDFInfo
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- CN114530095B CN114530095B CN202210181094.1A CN202210181094A CN114530095B CN 114530095 B CN114530095 B CN 114530095B CN 202210181094 A CN202210181094 A CN 202210181094A CN 114530095 B CN114530095 B CN 114530095B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000010030 laminating Methods 0.000 claims abstract description 81
- 239000003292 glue Substances 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001678 irradiating effect 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
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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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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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- 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, wherein the laminating device comprises the following components: a carrier film including a first face and a second face disposed opposite to each other, the first face being configured to be attached with a flexible display panel; 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 bracket, a first linear reciprocating device and a laminating roller shaft, wherein the first linear reciprocating device is arranged on the first bracket, the first bracket 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 bracket, and the laminating roller shaft is configured to resist 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 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 characteristic 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 people for borderless display is met. The design of surrounding screen can show the screen ratio that improves terminal equipment for the lateral surface of equipment is whole to be the display screen for a week, and this surrounding display screen sets up to 360 degrees annular promptly, and front, back and both sides face of equipment are the display screen. However, the display screen with such a structure cannot be attached to the protective cover plate by using the conventional device.
Disclosure of Invention
The invention aims to provide a bonding device and a bonding method, which can realize effective bonding of a flexible display panel and a cover plate in a surrounding 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 comprising:
a carrier film comprising a first face and a second face disposed opposite each other, the first face configured to attach the flexible display panel;
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 bracket, a first linear reciprocating device and a laminating roller shaft, wherein the first linear reciprocating device is arranged on the first bracket, the first bracket can rotate around the central axis of the annular cover plate, one end of the laminating roller shaft is connected with the first linear reciprocating device and can reciprocate on the first bracket, and the laminating roller shaft is configured to press the second surface of the bearing film so as to enable the flexible display panel to be laminated on the annular cover plate;
the axis of the supporting roll shaft and the axis of the laminating roll shaft are parallel to the central axis of the annular cover plate, and the lengths of the supporting roll shaft and the laminating roll shaft are larger than the width of the flexible display panel.
Preferably, the movement direction of the first linear reciprocating device is perpendicular to the axis of the laminating roller shaft.
Preferably, the first linear reciprocating device comprises a screw rod rotatably arranged on the first bracket, a motor for driving the screw rod to rotate, and a sliding part sleeved on the screw rod, wherein the sliding part is connected with a buffer part, and one end of the attaching roller shaft is connected with the buffer part.
Preferably, the support roller assembly comprises 4 support rollers and a second bracket, one end of the support roller is connected to the second bracket and can move along the second bracket so that the bearing film is tensioned on the support roller.
Preferably, the second bracket is in an X shape, and a plurality of second linear reciprocating devices for driving the 4 support roller shafts to move are arranged on the second bracket.
According to another aspect of the present invention, there is provided a bonding method for bonding a flexible display panel to an annular cover plate using the bonding apparatus, including:
attaching a first flexible display panel to a first surface of the first bearing film, and connecting two ends of the first bearing film with 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 bearing 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 meanwhile the first bracket is driven to rotate and the first linear reciprocating device is driven to move, 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 bearing film, and removing the first bearing film from the supporting roller shaft;
attaching a second flexible display panel to the first surface of the second bearing film, and connecting two ends of the second bearing film with 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, and driving the supporting roller shaft to move so as to enable the second bearing film to be unfolded and tensioned;
the first linear reciprocating device drives the attaching roller shaft to move, one end of the second flexible display panel is attached to the inner side surface of the annular cover plate, and meanwhile the first support is driven to rotate and the first linear reciprocating device moves, so that the attaching roller shaft attaches the second flexible display panel to the inner side surface of the annular cover plate.
Preferably, two glue spreading areas are arranged on the inner side of the annular cover plate, and two side ends of the first flexible display panel and the second flexible display panel are respectively positioned in the two glue spreading areas.
Preferably, after the first and second flexible display panels are attached to the annular cover plate, glue is coated in the two glue coating areas to seal both side ends of the first and second flexible display panels.
Preferably, after the support roller shafts unwind and tension the first or second carrier films, the two support roller shafts fixedly connected to the two ends of the first or second carrier films can rotate to adjust the tension.
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 an ultraviolet irradiation device so as to reduce the adhesiveness between the first carrier film and the second carrier film and the first flexible display panel and the second flexible display panel
The beneficial effects of the invention are as follows:
the laminating device and the laminating method that this application provided are applicable to flexible display panel laminating in 360 degrees annular apron inboard surfaces, have solved the unable problem of laminating around the screen to annular apron structure of current equipment. This laminating device is through setting up the back-up roll axle and will bear the weight of membrane tensioning, then utilizes the inner peripheral surface roll-in of laminating roll axle along annular apron, laminates flexible display panel on annular apron, and laminating roll axle and back-up roll axle are located different spaces respectively, can not produce the interference between the two.
Drawings
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Fig. 1 shows a schematic structure of the bonding apparatus of the present invention.
Fig. 2 shows a side view of the conformable device of the present invention.
Fig. 3 is a schematic diagram illustrating a bonding method step S300 according to the present invention.
Fig. 4 is a schematic diagram illustrating a bonding method according to the present invention in step S600.
Detailed Description
In order to more clearly illustrate the present invention, the present invention will be further described with reference to preferred embodiments and the accompanying drawings. Like parts in the drawings 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 that this invention is not limited to the details given herein.
In the related art, the flexible screen can be realized in various forms such as bending, folding, curling, and the like. The surrounding screen is a novel flexible screen product form, and comprises a plane area and an arc curved surface area, so that no mature and perfect fitting process flow exists at present. For example, when the roller mode is adopted to realize the surrounding screen lamination in the related art, the flexible display panel is rolled into one side of the curved cover plate for lamination after being curled, and some defects exist, for example: in the rolling lamination process, the flexible display panel is stressed greatly and is easy to break; the bonding effect is poor, bonding bubbles in the arc curved surface area remain seriously, and the like, and a plurality of bubbles remain in the flat area due to the adoption of a sliding block bonding mode in the flat area, so that the bonding process fails.
In order to improve the laminating effect of the flexible screen, the embodiment of the disclosure provides a laminating device and a laminating method of the flexible screen, which can be applied to various laminating processes of the flexible screen, in particular to a surrounding screen laminating process, so as to realize the laminating of a flexible display panel and an annular cover plate and improve the laminating 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 for implementing attachment between the flexible display panel 10 and the rigid annular cover plate 20, where the annular cover plate 20 is a double-surrounding curved surface cover plate, and includes a first planar portion a, a second planar portion B, a third planar portion C, a fourth planar portion D, and curved surface portions located between the 4 planar portions, where the first planar portion a and the third planar portion C are disposed in parallel, and the second planar portion B and the fourth planar portion D are disposed 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 an annular display screen with 360 degrees. It will be appreciated that in other embodiments, the annular display screen may have various shapes, for example, the annular cover 20 may include two parallel planar portions, and a curved portion between the two planar portions, to form the racetrack type annular cover 20, or may be a circular or oval cover, and the attaching device of the present application is applicable to the annular cover. Of course, the above is merely an example, and in practical application, the specific form of the annular display is not limited to the above example, and the bonding device of the present application may be adopted as long as the annular cover 20 has a continuous annular structure.
As shown in fig. 1 and 2, the attaching device provided in the embodiment of the present disclosure includes a cover plate carrying assembly (not shown in the drawings), a carrying film 30, a supporting roller shaft assembly 40 and an attaching roller shaft assembly 50, where the cover plate carrying assembly is used for carrying and moving the annular cover plate 20, the carrying film 30 includes a first face 31 and a second face 32 disposed opposite to each other, and the first face 31 is configured to attach the flexible display panel 10. The support roller assembly 40 includes at least 3 support rollers 41 capable of moving relative to the carrier film 30, the support rollers 41 being used to fix and tension the carrier film 30, specifically, both ends of the carrier film 30 are respectively fixed to the two support rollers 41, and the other support roller 41 is close to the second face 32 of the carrier film 30, and when the support rollers 41 move in the directions away from each other, the carrier film 30 is spread out and tensioned on the support rollers 41.
The laminating roller assembly 50 includes a first bracket 51 and a first linear shuttle 52 disposed on the first bracket 51, and a laminating roller 53, wherein the first bracket 51 is rotatable about a central axis of the annular cover 20, one end of the laminating roller 53 is connected to the first linear shuttle 52 and is movable with the first linear shuttle 52 on the first bracket 51, and the laminating roller 53 is configured to press against the second face 32 of the carrier film 30 to laminate the flexible display panel 10 to the annular cover 20. The first bracket 51 extends in the radial direction of the annular cover 20, the laminating roller shaft 53 extends in the axial direction of the annular cover 20, and 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 space between the first bracket 51 and the laminating roller shaft 53 is generally L-shaped.
The supporting roller shaft 41 and the attaching roller shaft 53 extend along the axial direction of the annular cover plate 20, and the axes of the supporting roller shaft 41 and the attaching roller shaft 53 are 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 larger than the width of the flexible display panel 10, so that the flexible display panel 10 can be fully 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 larger than the length of the annular cover plate 20 in the axial direction.
In the laminating device provided in the embodiment of the present disclosure, after the carrier film 30 is stretched and tensioned by the support roller 41, 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 face 32 of the carrier film 30, and the flexible display panel 10 abuts against the inner side surface of the annular cover plate 20 and surrounds the inner side of the annular cover plate 20 for a circle, so that the flexible display panel 10 is laminated on the inner peripheral surface of the annular cover plate 20, and a 360-degree surrounding screen is realized.
The support roller shaft 41 and the laminating roller shaft 53 are located inside the annular cover plate 20 with a certain distance between the support roller shaft 41 and the annular cover plate 20, and the support roller shaft 41 is not in contact with the annular cover plate 20. When the support roller 41 stretches and tightens the carrier film 30, the second surface 32 of the carrier film 30 is wound on the support roller 41 in contact with the support 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 support roller 41. It will be appreciated that the length of the carrier film 30 should be greater than that of the flexible display panel 10, so that the two side ends of the carrier film 30 extend to the outside of the two side edges of the flexible display panel 10, i.e. the two side ends near the carrier film 30 are not attached with the flexible display panel 10, the two side ends of the carrier film 30 are fixedly combined on two support rollers 41, respectively, and the middle position of the carrier film 30 is wound around the other support rollers 41 between the two support rollers 41, so that all the support rollers 41 unwind and tighten the carrier film 30.
The first bracket 51 is located outside the annular cover 20, and the first bracket 51 is also located outside the support roller 41, and when the first bracket 51 drives the laminating roller 53 to rotate around the central axis of the annular cover 20, the laminating roller 53 passes between the support roller 41 and the annular cover 20, that is, the laminating roller 53 supports the carrier film 30 to pass through the outside of the support roller 41 and move along the inner peripheral surface of the annular cover 20, so that the flexible display panel 10 is laminated on the annular cover 20.
In the present embodiment, the first bracket 51 is provided in a long column shape, and the movement direction of the first linear reciprocating device 52 is set along the extending direction of the first bracket 51, and the axis of the laminating roller 53 is set perpendicular to the first bracket 51, so that the axis of the laminating roller 53 is also perpendicular to the movement direction of the first linear reciprocating device 52. Because one end of the laminating roller shaft 53 is connected with the sliding portion of the first linear reciprocating device 52, and the axis of the laminating roller shaft 53 is parallel to the central axis of the annular cover plate 20, the first linear reciprocating device 52 can drive the laminating roller shaft 53 to translate along the radial direction of the annular cover plate 20.
In some embodiments, the first linear reciprocating device 52 includes a screw, a motor that drives the screw to rotate, and a sliding component that is sleeved on the screw, the screw is disposed along the extending direction of the first space 51, and a buffer component is connected to the sliding component, and one end of the laminating roller 53 is connected to the buffer component, so when the first linear reciprocating device 52 drives the laminating roller 53 to attach the flexible display panel 10 to the annular cover 20, the buffer component can reduce the impact of the laminating roller 53 to the annular cover 20, and avoid the problem of damage of the annular cover 20.
Specifically, the buffer member is a buffer cylinder, the cylinder body of the buffer cylinder is fixedly connected with the sliding member, and the end part of the piston rod of the buffer cylinder is fixedly connected with the end part of the laminating roller shaft 53. The buffer cylinder is arranged along the moving direction of the sliding component, that is, the axis of the laminating roller shaft 53 is perpendicular to the axis of the buffer cylinder, so that the buffer cylinder can absorb the impact force of the laminating roller shaft 53 on the annular cover plate 20, and damage of the annular cover plate is avoided.
In some embodiments, the support roller assembly 40 includes 4 support rollers 41 and a second bracket 42, and one end of the support roller 41 is connected to the second bracket 42 and can move along the second bracket 42 to spread the carrier film 30 to be tensioned to the support roller 41. Specifically, the second brackets 42 are provided in an X shape, 4 support roller shafts 41 are respectively provided at four ends of the X-shaped second space 42, and a plurality of second linear reciprocating means for driving the 4 support roller shafts 41 to move toward or away from the X-shaped center direction, i.e., the 4 support roller shafts 41 are capable of translating in the radial direction of the annular cover plate 20, are further provided on the second brackets 42. After both ends of the carrier film 30 are fixed on the two support roller shafts 41, the support roller shafts 41 move in a direction away from the center of the annular cover plate 20, and tensioning of the carrier film 30 is achieved. In the present embodiment, the 4 support roller shafts 41 are moved toward the 4 corners of the annular cover plate 20, respectively, to tension the carrier film 30.
In some embodiments, a clamping mechanism is further disposed on the support 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, so as to realize the fixed connection between the carrier film 30 and the support roller 41.
The embodiment of the disclosure further provides a bonding method, which uses the bonding device to bond the flexible display panel 10 and the annular cover plate 20, and the bonding method includes the following steps:
and S100, attaching a first flexible display panel to the first surface of the first bearing film, and connecting two ends of the first bearing 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 pieces, 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 as to realize a 360-degree surrounding screen. The lengths of the first flexible display panel and the second flexible display panel are equal, that is, each flexible display panel is attached to a half perimeter of the annular cover plate 20. In this step, the two ends of the first carrier film are connected to the support rollers 41, and at this time, the support rollers 41 are disposed close to each other.
S200, as shown in fig. 2 and 3, the attaching device is moved to the center of the annular cover plate 20, and the attaching roller shaft 53 and the supporting roller shaft 41 are parallel to the central axis of the annular cover plate 20, so that the supporting roller shaft 41 is driven to move, and the first carrier film is stretched and tensioned.
When the two ends of the first carrier film are fixedly connected to the two support rollers 41, the 4 support rollers 41 in the present embodiment are initially located at positions close to each other, the middle portion of the first carrier film is overlapped on the other 2 support rollers 41, and after the support rollers 41 translate toward the four corners of the annular cover plate 20 along the radial direction, the first carrier film is in an expanded and tensioned state, wherein the middle portion of the first carrier film is wound on the 2 support rollers 41.
In some embodiments, step 200 may further comprise:
s201, after the support roller 41 expands and tightens the first carrier film or the second carrier film, the two support rollers 41 fixedly connected with the first carrier film or the second carrier film can rotate to adjust the tightening force.
Two supporting roll shafts 41 used for fixedly connecting the two ends of the first bearing film or the second bearing film are provided with clamping mechanisms, the clamping mechanisms can clamp the end parts of the bearing films, and when the two supporting roll shafts 41 rotate, the bearing films can be wound on the clamping mechanisms in multiple layers, so that the length of the bearing films is adjusted, and the tensioning force of the bearing films is adjusted. The tensioning force is adjusted to adapt to the annular cover plate 20 with different shapes, so that the laminating roller shaft 53 can be used for stretching the bearing film 30 to enable the laminating flexible display panel 10 to be in contact with the annular cover plate 20.
And S300, the first linear reciprocating device drives the attaching roller shaft 53 to move, one end of the first flexible display panel is attached to the inner side surface of the annular cover plate 20, and then the first bracket 51 rotates and drives the first linear reciprocating device 52 to move at the same time, 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 laminating roller 53 is located in the area surrounded by the 4 support rollers 41, so that the second surface of the carrier film 30 is close to the laminating roller, after the laminating roller 53 is translated along the radial direction of the annular cover plate 20, the second surface of the laminating roller is contacted with the second surface of the first carrier film, then one end of the first flexible display panel is continuously driven to be firstly laminated with the inner side surface of the annular cover plate 20, finally the laminating roller 53 is rolled along the inner peripheral surface of the annular cover plate 20 through the rotation of the first bracket 51 and the movement of the first linear reciprocating device 52, the movement track of the laminating roller 53 is the half circumference of the annular cover plate 20, namely, the first bracket 51 is rotated only 180 degrees, and the half circumference surface of the annular cover plate 20 is laminated with the first flexible display panel. The radius of the laminating roller 53 should be smaller than the radius of curvature of the curved surface portion on the annular cover plate 20 so that the laminating roller 53 can abut against the curved surface portion surface of the annular cover plate 20.
Two glue coating areas are set on the inner side surface of the annular cover plate 20, so that two ends of the first flexible display panel are respectively located in the two glue coating areas, one end of the first flexible display panel is firstly attached to one glue coating area by the attaching roller shaft 53, and finally after the attachment of the first flexible display panel is completed, the other end of the first flexible display panel is located in the other glue coating area.
After the first flexible display panel is attached, since the two ends of the first carrier film are fixedly connected to the supporting roller shaft 41, 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 ultraviolet irradiation device is used for irradiating the first bearing film so as to reduce the viscosity of the first bearing film and the first flexible display panel, and therefore the first flexible display panel is easy to separate from the first bearing film.
And S400, driving the laminating roller shaft 41 to return to an initial position, moving the laminating device to the outer side of the annular cover plate 20, driving the supporting roller shaft 41 to move, loosening the first bearing film, and removing the first bearing film from the supporting roller shaft 41.
The support roller shafts 41 are moved in directions approaching each other, and in the present embodiment, the 4 support roller shafts 41 are translated toward the center position of the X-shaped second bracket 42 to relax the first carrier film, so that the first carrier film can be removed from the support roller shafts 41.
S500, attaching a second flexible display panel to the first surface of the second bearing film, and connecting two ends of the second bearing 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.
And 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 spread and tension the second bearing film.
When the two ends of the second carrier film are fixedly connected to the two support rollers 41, the 4 support rollers 41 in the present embodiment are initially located at positions close to each other, the middle portion of the first carrier film is overlapped on the other 2 support rollers 41, and after the support rollers 41 translate toward the four corners of the annular cover plate 20 along the radial direction, the second carrier film is in an expanded and tensioned state, wherein the middle portion of the second carrier film is wound on the 2 support rollers 41.
Step S700 is the same as step S200, and may also include adjusting the length of the carrier film by rotating the 2 support rollers 41, thereby adjusting the tension of the carrier film, which is not described herein.
S800, the first linear reciprocating device 52 drives the attaching roller 53 to move, attaches one end of the second flexible display panel to the inner surface of the annular cover 20, and then drives the first bracket 51 to rotate and the first linear reciprocating device 52 to move at the same time, so that the attaching roller 53 attaches the second flexible display panel to the inner surface of the annular cover.
Wherein, the two ends of the second flexible display panel are also respectively located in the two glue coating areas, the laminating roller 53 first laminates one end of the second flexible display panel in one glue coating area, and after the second flexible display panel is laminated, the other end of the second flexible display panel is located in the other glue coating area.
In some embodiments, step S800 further comprises:
s801, after the first flexible display panel and the second flexible display panel are attached to the annular cover plate 20, glue is coated in the two glue coating areas to seal two side end surfaces of the first flexible display panel and the second flexible display panel, so as to prevent moisture from entering between the flexible display panel 10 and the annular cover plate 20.
Step S800 may also include irradiating the second carrier film with an ultraviolet irradiation device to reduce the adhesion 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.
It should be understood that the foregoing examples of the present invention are provided merely for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention, and that various other changes and modifications may be made therein by one skilled in the art without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (10)
1. A laminating device for realize flexible display panel and annular apron's laminating, its characterized in that includes:
a carrier film comprising a first face and a second face disposed opposite each other, the first face configured to attach the flexible display panel;
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 bracket, a first linear reciprocating device and a laminating roller shaft, wherein the first linear reciprocating device is arranged on the first bracket, the first bracket can rotate around the central axis of the annular cover plate, one end of the laminating roller shaft is connected with the first linear reciprocating device and can reciprocate on the first bracket, and the laminating roller shaft is configured to press the second surface of the bearing film so as to enable the flexible display panel to be laminated on the annular cover plate;
the axis of the supporting roll shaft and the axis of the laminating roll shaft are parallel to the central axis of the annular cover plate, and the lengths of the supporting roll shaft and the laminating roll shaft are larger than the width of the flexible display panel.
2. The laminating apparatus according to claim 1, wherein a movement direction of said first linear reciprocating means is perpendicular to an axis of said laminating roller shaft.
3. The bonding device according to claim 2, wherein the first linear reciprocating device comprises a screw rod rotatably arranged on the first bracket, a motor for driving the screw rod to rotate, and a sliding part sleeved on the screw rod, the sliding part is connected with a buffer part, and one end of the bonding roller shaft is connected with the buffer part.
4. The fitting device of claim 1 wherein said support roller assembly comprises 4 support rollers and a second bracket, one end of said support rollers being connected to said second bracket and movable along said second bracket to tension said carrier film to said support rollers.
5. The fitting device of claim 4, wherein the second bracket is shaped like an X, and a plurality of second linear reciprocating devices for driving the movement of the 4 support roller shafts are provided on the second bracket.
6. A bonding method for bonding a flexible display panel to an annular cover plate using the bonding apparatus according to any one of claims 1 to 5, comprising:
attaching a first flexible display panel to a first surface of a first bearing film, and connecting two ends of the first bearing film with 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 bearing 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 meanwhile the first bracket is driven to rotate and the first linear reciprocating device is driven to move, 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 bearing film, and removing the first bearing film from the supporting roller shaft;
attaching a second flexible display panel to the first surface of a second bearing film, and connecting two ends of the second bearing film with 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, and driving the supporting roller shaft to move so as to enable the second bearing film to be unfolded and tensioned;
the first linear reciprocating device drives the attaching roller shaft to move, one end of the second flexible display panel is attached to the inner side surface of the annular cover plate, and meanwhile the first support is driven to rotate and the first linear reciprocating device moves, so that the attaching roller shaft attaches the second flexible display panel to the inner side surface of the annular cover plate.
7. The fitting method according to claim 6, wherein two glue spreading areas are provided on the 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 spreading areas.
8. The bonding method according to claim 7, wherein after bonding the first and second flexible display panels to the annular cover plate, glue is applied in the two glue areas to seal both side ends of the first and second flexible display panels.
9. The fitting method according to claim 6, wherein after the support roller shafts spread and tension the first or second carrier films, the two support roller shafts fixedly connecting both ends of the first or second carrier films can be rotated to adjust the 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 with an ultraviolet irradiation device to reduce an adhesiveness between the first carrier film and the second carrier film and 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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| Application Number | Priority Date | Filing Date | Title |
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| CN202210181094.1A CN114530095B (en) | 2022-02-25 | 2022-02-25 | Bonding device and bonding method |
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| CN114530095B true 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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| CN114530095A (en) | 2022-05-24 |
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