Film tearing device and film tearing method for terminal area of organic light-emitting diode screen

Abstract

The invention provides an organic light emitting diode screen terminal area film tearing device and a film tearing method.The film tearing device comprises a fixed adsorption platform, a film tearing actuator and a motion controller, the film tearing actuator comprises a three-axis servo module, an ejector pin module and an air cylinder clamping jaw module, the three-axis servo module drives the ejector pin module and the air cylinder clamping jaw module to move, and the ejector pin module drives the air cylinder clamping jaw module to move; the motion controller is electrically connected with the three-axis servo module, the ejector pin module and the air cylinder clamping jaw module, the motion controller controls the ejector pin module to jack up the film layer, and when the jacking pressure of the ejector pin module on the film layer reaches a set threshold value, the motion controller controls the ejector pin module to jack up the film layer. The air cylinder clamping jaw module is controlled to move to clamp and strip the film layer, the film tearing precision is improved, and the technical problems that in the prior art, the film tearing precision is low, and a precise circuit in a terminal area can be scratched in the film tearing process are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of organic light emitting diode screen manufacturing, and particularly relates to a kind of organic light emitting diode screen terminal area film tearing device and film tearing method. BACKGROUND

[0002] In the manufacture of organic light emitting diode screen, the protection of terminal area precision circuit is crucial, usually with a protective film and before final assembly, tear off, the current market organic light emitting diode screen terminal area film tearing usually adopts manual film tearing, that is, film tearing process mainly relies on manual work, manual film tearing has three technical bottlenecks: one is lack of precision, manual use of tweezers or simple tool is easy to scratch terminal area precision circuit, especially micron level circuit, and lack of high-precision positioning, leading to film tearing failure or residual, the film tearing technology of workers is required;Two is rough process control, the peeling angle and speed cannot be accurately controlled;Three is low degree of automation and intelligentization, film tearing efficiency is low and film tearing yield cannot be guaranteed, which is difficult to meet the needs of modern large-scale, flexible production. SUMMARY

[0003] The present application provides a kind of organic light emitting diode screen terminal area film tearing device and film tearing method to improve the technical problems of low film tearing precision in prior art, terminal area precision circuit can be scratched during film tearing.

[0004] The present application provides a kind of organic light emitting diode screen terminal area film tearing device and film tearing method, the organic light emitting diode screen terminal area film tearing device is used to tear the film layer on the organic light emitting diode screen, comprising: fixed adsorption platform, film tearing executor and motion controller;The fixed adsorption platform is used to adsorb the organic light emitting diode screen to be torn film;The film tearing executor includes three-axis servo module, thimble module and cylinder clamping jaw module, the three-axis servo module drives the thimble module and the cylinder clamping jaw module to move;The motion controller is electrically connected with the three-axis servo module, the thimble module and the cylinder clamping jaw module respectively;Wherein, the motion controller controls the thimble module to lift the film layer, and when the top pressure of the thimble module to the film layer reaches the set threshold value, the cylinder clamping jaw module is controlled to move to clamp and peel off the film layer.

[0005] In an embodiment of the present application, the organic light emitting diode screen terminal area film tearing device further comprises a movable adsorption platform and a frame, the movable adsorption platform comprises a vacuum adsorption strip, a connecting plate and a vertical telescopic piece, the lower end of the vacuum adsorption strip is detachably connected with the upper end of the connecting plate, the side of the connecting plate is detachably connected with the vertical telescopic piece, the vertical telescopic piece is telescopic along the vertical direction, the vertical telescopic piece is installed on the frame, and the vacuum adsorption strip and the vertical telescopic piece are electrically connected with the motion controller, and the vacuum adsorption strip is used for vacuum adsorbing the lower end surface of the organic light emitting diode screen when the film tearing executor tears the film.

[0006] In an embodiment of the present application, the ejector pin module comprises an ejector pin, a pressure sensor and a quick-change joint, the upper end of the quick-change joint is detachably connected with the lower end of the three-axis servo module, the ejector pin is installed at the lower end of the quick-change joint, the pressure sensor is integrated in the ejector pin, and the pressure sensor is electrically connected with the motion controller.

[0007] In an embodiment of the present application, the number of the film tearing executors is two, and the two film tearing executors simultaneously tear the film layers at the two ends of the organic light emitting diode screen in the length direction.

[0008] In an embodiment of the present application, the organic light emitting diode screen terminal area film tearing device further comprises a visual positioning system for identifying the lifting position of the film layer, the visual positioning system comprises an industrial camera and a light source piece, the industrial camera and the light source piece are installed on a frame, and the industrial camera is electrically connected with the motion controller.

[0009] In an embodiment of the present application, the film tearing executor further comprises an ion rod, the ion rod comprises an ion rod body and an ion nozzle, the ion rod body and the ion nozzle are connected in pipeline, the ion rod body is installed on the frame, and the ion ejection outlet of the ion nozzle is attached to the upper end surface of the vacuum adsorption strip.

[0010] In an embodiment of the present application, the organic light emitting diode screen terminal area film tearing device further comprises an auxiliary pressing plate mechanism, the auxiliary pressing plate mechanism is electrically connected with the motion controller, the auxiliary pressing plate mechanism is telescopic along the vertical direction, and the lower end of the auxiliary pressing plate mechanism abuts against the upper end surface of the organic light emitting diode screen.

[0011] In an embodiment of the present application, the organic light emitting diode screen terminal area film tearing device further comprises an air knife, and the air knife is installed on the frame.

[0012] In an embodiment of the present application, the organic light emitting diode screen terminal area film tearing device further comprises a waste box, and the waste box is detachably connected with the frame.

[0013] The application discloses an organic light emitting diode screen terminal area film tearing method and device. Fix the organic light emitting diode screen on a fixed adsorption platform; Get the lifting position of the terminal area film layer of the organic light emitting diode screen; Drive the ejector pin module to move to the lifting position and control the ejector pin module to press the film layer area to lift the film layer edge to form a peeling part, wherein the pressing force of the ejector pin is fed back and controlled by the installed pressure sensor; Make the cylinder clamp jaw module move to the peeling part and clamp, and then move according to a preset three-dimensional space track to completely peel off the film layer; Drive the cylinder clamp jaw module to move the peeled film layer above a waste box and release.

[0014] The organic light emitting diode screen terminal area film tearing device and method provided by the application are fully automatic and can eliminate human factor interference, have high film tearing precision, avoid scratching the terminal area precision circuit, and have a three-axis servo module and a path interpolation motion of a motion controller, so that the film tearing process is fast and smooth, the whole process does not need manual intervention, the production efficiency is greatly improved, the movable adsorption platform reduces the occurrence of the flatness non-compliance of the organic light emitting diode screen, and the terminal area precision circuit is avoided from being scratched. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings incorporated into the specification and constituting a part of the specification show embodiments consistent with the present application and, together with the specification, serve to explain the principles of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained according to the drawings without creative labor for those skilled in the art.

[0016] In the drawings: Figure 1 A three-dimensional view of the organic light emitting diode screen terminal area film tearing device provided by an embodiment of the application is shown. Figure 2 A three-dimensional view of the organic light emitting diode screen terminal area film tearing device provided by an embodiment of the application is shown. Figure 1 A local enlarged view of A in FIG. 4 is shown. Figure 3 A local enlarged view of B in FIG. 4 is shown. Figure 2 A local enlarged view of B in FIG. 4 is shown. Figure 4 A local enlarged view of C in FIG. 4 is shown. Figure 3 A local enlarged view of C in FIG. 4 is shown. Figure 5 A three-dimensional view of the film tearing executor of the organic light emitting diode screen terminal area film tearing device provided by an embodiment of the application is shown. Figure 1 ; Figure 6 A stereoscopic view of the film-peeling actuator of the organic light-emitting diode screen terminal area peeling device provided in an embodiment of the present invention Figure 2 ; Figure 7 This is a front view of the movable adsorption platform of an organic light-emitting diode screen terminal area film-removing device according to an embodiment of the present invention; Figure 8 A perspective view of the movable adsorption platform of an organic light-emitting diode screen terminal area film-removing device according to an embodiment of the present invention.

[0017] The attached figures are labeled as follows: 100. Film-tearing actuator; 110. Ejector pin module; 111. Ejector pin; 112. Quick-change connector; 120. Cylinder gripper module; 130. Three-axis servo module; 200. Motion controller; 300. Fixed adsorption platform; 400. Waste bin; 500. Frame; 600. Ion rod; 610. Ion rod body; 620. Ion nozzle; 700. Air knife; 800. Auxiliary pressure plate mechanism; 900. Movable adsorption platform; 910. Vacuum adsorption strip; 920. Connecting plate; 930. Vertical telescopic component. Detailed Implementation

[0018] The following specific examples illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0019] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. The drawings only show the components related to the present invention and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0020] In the following description, numerous details are explored to provide a more thorough explanation of embodiments of the invention. However, it will be apparent to those skilled in the art that embodiments of the invention may be practiced without these specific details. In other embodiments, well-known structures and devices are shown in block diagram form rather than in detail to avoid obscuring embodiments of the invention.

[0021] like Figures 1 to 8As shown, the present invention proposes an organic light-emitting diode screen terminal area film peeling device, which realizes automated film peeling. The fully automated operation eliminates the interference of human factors, improves the film peeling accuracy, greatly reduces the probability of scratching the precision circuit of the terminal area during the film peeling process, significantly improves production efficiency, and further increases production capacity.

[0022] like Figure 5 As shown, an organic light-emitting diode (OLED) screen terminal area film peeling device is used to peel the film layer on the OLED screen, including: a fixed adsorption platform 300, a film peeling actuator 100 and a motion controller 200.

[0023] The fixed adsorption platform 300 is used to adsorb the organic light-emitting diode screen with the film to be peeled off. The fixed adsorption platform 300 is a porous ceramic adsorption platform. The porous ceramic adsorption platform can vacuum adsorb and fix organic light-emitting diode screens of different sizes. The porous ceramic adsorption platform is formed by isostatic pressing and high-temperature sintering under precise control, so that a uniform and interconnected micron-level pore network is formed inside the material. The porous ceramic adsorption platform is a dense and high-hardness ceramic plate, but its interior has a three-dimensional interconnected microporous structure. Through these micropores, it acts uniformly on the entire upper surface, which is more effective than the adsorption of traditional metal platforms. The adhesion force relies on discretely distributed drill holes, and weak areas of adhesion exist between the holes, which may cause localized micro-deformation or vibration of thin workpieces. The porous ceramic adsorption platform provides extremely uniform adhesion force. The porous ceramic provides continuous and indiscriminate adhesion force through uniform air permeation across its entire surface, effectively eliminating "point stress" and weak areas. For easily deformable materials, it can achieve near-perfect flat fixation, avoiding micro-creases or stress damage. Thus, the porous ceramic adsorption platform firmly adsorbs the organic light-emitting diode (OLED) screen, thereby reducing the problem of scratching the precision circuitry of the terminal area during the film removal process caused by the slight displacement of the OLED screen. The installation position of the fixed adsorption platform 300 is not limited here. The fixed adsorption platform 300 is installed on the mounting frame of the OLED screen terminal area film removal device. The mounting frame may not be part of the OLED screen terminal area film removal device and may be set up separately.

[0024] like Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the film-tearing actuator 100 includes a three-axis servo module 130, an ejector pin module 110, and a cylinder gripper module 120. The three-axis servo module 130 drives the ejector pin module 110 and the cylinder gripper module 120 to move via the motion controller 200. The three-axis servo module 130 is mounted above the fixed adsorption platform 300. The three-axis servo module 130 includes a servo motor, a ball screw, and a shaft system layout structure. The servo motor is the drive execution unit. The type of servo motor is not limited here, but can be, for example, an AC permanent magnet synchronous servo motor, which can precisely control torque, speed, and position, has a fast response, and strong overload capacity. The ball screw transmits power through the meshing of balls and screw thread grooves, achieving high efficiency, high precision, and self-locking. Under the command of the motion controller 200, it can realize high-precision, high-speed point-to-point motion and complex path interpolation motion in three-dimensional space. The axis layout structure of the three-axis servo module 130 includes an X-axis slide, a Y-axis slide, and a Z-axis slide. The Z-axis slide is mounted on the Y-axis slide, and the Y-axis slide is mounted on the X-axis slide. The Z-axis slide can extend and retract vertically. The ejector module 110 and the cylinder gripper module 120 are both mounted on the Z-axis slide. Figure 5 and Figure 6 As shown, the ejector module 110 includes an ejector pin 111, a pressure sensor, and a quick-connect coupling 112. The upper end of the quick-connect coupling 112 is detachably connected to the lower end of the three-axis servo module 130. The ejector pin 111 is mounted on the lower end of the quick-connect coupling 112. The pressure sensor is integrated into the ejector pin 111 and is electrically connected to the motion controller 200. The quick-connect coupling 112 is detachably connected to the lower end of the Z-axis slide of the three-axis servo module 130. The ejector module 110 also includes an ejector drive component. The type of the ejector drive component is not limited here, but can be, for example, an ejector servo motor, a piezoelectric ceramic driver, or a voice coil motor. The ejector drive component drives the ejector pin 111 to move vertically. The pressure sensor has an accuracy of one micrometer and is used to detect the pressing pressure of the ejector pin 111 to control the pressing depth. The quick-connect coupling 112 is pneumatically locked, using the equipment's own compressed air as a power source to drive an internal piston or mechanism to automatically lock and unlock the main end and the tool end. This facilitates quick replacement of the ejector pin 111 after wear, reducing equipment maintenance costs and time. The cylinder gripper module 120 consists of a cylinder, a transmission and motion conversion mechanism, and grippers. The cylinder is the power source, and can be a double-acting single-piston rod cylinder or a rodless cylinder. The transmission and motion conversion mechanism is the core that converts the linear motion of the cylinder into the opening and closing motion of the grippers, determining the type of grippers. The grippers are the film-tearing execution components, and the material of the grippers is not limited here, but can be, for example, aluminum alloy, stainless steel, and anti-static materials. The cylinder gripper module 120 is driven by a bidirectional cylinder to open and close a pair of grippers to achieve film tearing.

[0025] like Figure 4 andFigure 5 As shown, the motion controller 200 is electrically connected to the three-axis servo module 130, the ejector pin module 110, and the cylinder gripper module 120, respectively. The motion controller 200 controls the ejector pin module 110 to lift the film layer, and when the pressure exerted by the ejector pin module 110 on the film layer reaches a set threshold, it controls the cylinder gripper module 120 to move to grip and peel off the film layer. The type of motion controller 200 is not limited here; for example, it can be a PC-based open motion control card or an integrated dedicated motion controller 200.

[0026] When the pressure exerted on the film layer by the ejector pin module 110 reaches a set threshold, the present invention controls and drives the cylinder gripper module 120 to move to grip and peel off the film layer. The film peeling process is fast and smooth, and the entire process does not require manual intervention, which improves the film peeling accuracy and avoids scratching the precision circuits in the terminal area.

[0027] like Figure 7 and Figure 8As shown, the organic light-emitting diode screen terminal area film-removing device further includes a movable adsorption platform 900 and a frame 500. The movable adsorption platform 900 includes a vacuum adsorption strip 910, a connecting plate 920, and a vertical telescopic member 930. The lower end of the vacuum adsorption strip 910 is detachably connected to the upper end of the connecting plate 920. The side of the connecting plate 920 is detachably connected to the vertical telescopic member 930. The vertical telescopic member 930 extends and retracts in the vertical direction. The vertical telescopic member 930 is mounted on the frame 500. Both the vacuum adsorption strip 910 and the vertical telescopic member 930 are electrically connected to the motion controller 200. When the film-removing actuator 100 removes the film, the vacuum adsorption strip 910 vacuum adsorbs the lower end face of the organic light-emitting diode screen. The movable adsorption platform 900 and the fixed adsorption platform 300 work together to fix the organic light-emitting diode screen. Compared with vacuum adsorption relying solely on a single fixed adsorption platform 300, fixing the organic light-emitting diode screen using both the movable adsorption platform 900 and the fixed adsorption platform 300 has the following advantages: First, the vacuum adsorption force is greater and the fixing effect is better; second, the vertical height of the movable adsorption platform 900 can be adjusted by the motion controller 200, and adjusting the flatness of the movable adsorption platform 900 is more convenient and faster than adjusting the entire fixed adsorption platform 300. This design significantly reduces the risk of scratching product terminals due to uneven flatness of the organic light-emitting diode screen, which could occur when the ejector pin 111 moves horizontally after being pressed. Furthermore, compared to the fixed adsorption platform 300, the movable adsorption platform 900 is elongated and has a much smaller area. While the fixed adsorption platform 300, being a porous ceramic platform, offers excellent adsorption and highly uniform force, it also suffers from brittleness, as ceramic is inherently brittle and susceptible to sharp impacts. Although it has high hardness, it is prone to breakage if struck by a heavy object. By using a movable adsorption platform 900 with a much smaller area, the entire assembly of the fixed and movable adsorption platforms 300 can be extended without requiring replacement if damaged or worn. This smaller movable adsorption platform 900 indirectly prolongs the lifespan of the fixed adsorption platform 300.

[0028] like Figure 2 and Figure 3 As shown, there are two film-tearing actuators 100. These two actuators simultaneously tear the film from both ends of the organic light-emitting diode (OLED) screen along its length. This constitutes a dual-station film-tearing system, adaptable to OLED screens of different sizes. The two film-tearing actuators 100 are controlled by the same motion controller 200, allowing simultaneous operation on both ends of a large screen or on two smaller screens, greatly improving production efficiency.

[0029] The organic light-emitting diode (OLED) screen terminal area film peeling device also includes a visual positioning system for identifying the film layer's apex position. The visual positioning system includes an industrial camera and a light source, both mounted on a frame 500. The industrial camera is electrically connected to a motion controller 200. The light source includes a ring light source and a backlight source. The industrial camera's field of view is directly facing the terminal area position on the fixed adsorption platform 300. The industrial camera's positioning accuracy is one micrometer. The motion controller 200 triggers the industrial camera to take a picture. An image processing algorithm accurately identifies the preset apex coordinates of the terminal area film layer and sends these coordinates to the motion controller 200 after compensation, thereby achieving visual positioning. The positioning accuracy of the visual positioning system is one micrometer.

[0030] like Figure 4 and Figure 5 As shown, the film-peeling actuator 100 also includes an ion rod 600, which includes an ion rod body 610 and an ion nozzle 620. The ion rod body 610 and the ion nozzle 620 are connected by a pipe. The ion rod body 610 is mounted on the frame 500, and the ion outlet of the ion nozzle 620 is in contact with the upper end face of the vacuum adsorption strip 910. The ion rod 600 blows ion air onto the film-peeling area to eliminate static electricity. The ion rod 600 is a device that actively neutralizes static electricity on the surface of an object by generating a large number of positive and negative ions. The ion rod 600 can eliminate static electricity and prevent damage from electrostatic adsorption and electrostatic discharge. The ion rod 600 prevents the strong static electricity generated by peeling friction from attracting dust onto the newly exposed, clean terminal circuits, while protecting the fragile organic light-emitting diode devices.

[0031] like Figure 3As shown, the OLED screen terminal area film-removing device also includes an auxiliary pressure plate mechanism 800, which can further press down the non-functional area of ​​the screen after vacuum adsorption to prevent warping. The auxiliary pressure plate mechanism 800 is electrically connected to the motion controller 200. The auxiliary pressure plate mechanism 800 extends and retracts in the vertical direction, and its lower end abuts against the upper surface of the OLED screen. Before film removal, the auxiliary pressure plate mechanism 800 provides auxiliary pressure to the non-terminal area of ​​the OLED screen to prevent displacement of the OLED screen. The auxiliary pressure plate mechanism 800 is an independent and precisely controllable local pressing system that applies a stable and controllable clamping force to the non-film-removing area of ​​the OLED screen before and during the film removal process. The auxiliary pressure plate mechanism 800 includes an auxiliary pressure plate head, an auxiliary pressure plate drive unit, an auxiliary pressure plate transmission unit, and an auxiliary pressure plate feedback unit. The shape of the auxiliary pressure plate head is not limited here; for example, it can be strip-shaped. The material of the auxiliary pressure plate head is also not limited here; for example, it can be engineering plastic, ceramic, or metal with a soft surface coating. The auxiliary pressure plate drive unit is a cylinder, and the auxiliary pressure plate transmission unit is a linear guide rail. The auxiliary pressure plate transmission unit is detachably connected to both the auxiliary pressure plate drive unit and the auxiliary pressure plate head, allowing the auxiliary pressure plate head to extend and retract vertically.

[0032] like Figure 3 As shown, the organic light-emitting diode screen terminal area film-removing device also includes an air knife 700, which is mounted on the frame 500. The air knife 700 is a high-pressure air knife, which is an auxiliary device for cleaning and drying. The high-pressure air knife utilizes Bernoulli's principle and the Coanda effect to convert high-pressure gas into a uniform, stable, and high-impact thin-film airflow for non-contact processing, thereby achieving dust removal.

[0033] like Figure 1 As shown, the organic light-emitting diode screen terminal area film-removing device also includes a waste bin 400, which is detachably connected to the frame 500. The waste bin 400 is located below the fixed adsorption platform 300 to facilitate the cylinder gripper module 120 in discarding waste film.

[0034] A method for peeling the film off the terminal area of ​​an organic light-emitting diode (OLED) screen, using the aforementioned OLED screen terminal area peeling device, includes the following process: The organic light-emitting diode screen is fixed on the fixed adsorption platform 300, and vacuum adsorption is started to fix the organic light-emitting diode screen. The position of the terminal area film layer of the organic light-emitting diode screen is obtained; the method of obtaining the position is not limited here, for example, the coordinates (X1, Y1) of the position of the terminal area film layer are identified by a visual positioning system and the position coordinate information is sent to the motion controller 200. The push pin module 110 is moved to the lifting position and controlled to move along the length of the organic light-emitting diode screen along the pressing film layer area to lift the edge of the film layer to form a peeling section. The pressing force of the push pin 111 is fed back and controlled by an installed pressure sensor. The motion controller 200 controls the three-axis servo module 130 to move the push pin module 110 and the cylinder gripper module 120 above the lifting position coordinates (X1, Y1). Then, the Z-axis slide of the three-axis servo module 130 drives the entire assembly of the push pin module 110 and the cylinder gripper module 120 to descend, so that the tip of the push pin 111 of the push pin module 110 approaches the film surface to be peeled. Subsequently, the drive pin 111 presses the film surface at a speed of 0.5 mm per second; when the pressing depth reaches a preset critical value (indicating that the pin has been inserted into the film surface), it continues to travel a preset small stroke, such as 5 mm, to ensure that the edge of the film is smoothly lifted to form a reliable peeling part without excessive lifting and damaging the circuit.

[0035] The cylinder gripper module 120 is moved to the peeling section and clamped, then moves along a preset three-dimensional spatial trajectory to completely peel off the film layer. The motion controller 200 controls the three-axis servo module 130 to move, aligning the cylinder gripper module 120 with the lifted peeling section. The cylinder of the cylinder gripper module 120 is activated, driving the grippers of the cylinder gripper module 120 to close and tightly clamp the film layer. Then, the motion controller 200 controls the three-axis servo module 130 to drive the grippers to move along an optimized three-dimensional trajectory (for example, first retreating 100mm at a constant speed of 50mm / s at a 15-degree angle to the plane to complete the initial peeling, then lifting and turning towards the waste bin 400). This trajectory is calculated by the motion controller 200 using linear and circular interpolation to ensure minimal peeling stress. The cylinder gripper module 120 is driven to move the peeled film layer above the waste bin 400 and release it.

[0036] The beneficial effects of this invention are: This invention achieves precise lifting position and micron-level control of lifting depth through the dual guarantee of the visual positioning system and the pressure sensor of the ejector module 110, fundamentally avoiding physical scratches to the terminal circuitry by the ejector pin 111 or the gripper of the cylinder gripper module 120. Simultaneously, the fully automated operation of this invention eliminates human interference; the application of the ion bar 600 and air knife 700 effectively solves the problems of electrostatic breakdown and dust contamination, resulting in extremely high and stable product yield. The organic light-emitting diode screen terminal area film-tearing device of this invention integrates lifting, gripping, dust removal, static electricity removal, and waste collection functions into a single device. It features a compact structure, high degree of automation, and reliable operation, greatly improving film-tearing accuracy and preventing scratches to the precision circuitry of the terminal area.

[0037] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A device for peeling film from the terminal area of ​​an organic light-emitting diode (OLED) screen, used for peeling film from an OLED screen, characterized in that, include: A fixed adsorption platform (300) is used to adsorb the organic light-emitting diode screen of the film to be peeled off; The film-tearing actuator (100) includes a three-axis servo module (130), an ejector pin module (110), and a cylinder gripper module (120). The three-axis servo module (130) drives the ejector pin module (110) and the cylinder gripper module (120) to move. The motion controller (200) is electrically connected to the three-axis servo module (130), the ejector pin module (110), and the cylinder gripper module (120), respectively. The motion controller (200) controls the ejector module (110) to lift the film layer, and when the ejector module (110) exerts a set threshold pressure on the film layer, it controls the cylinder gripper module (120) to move to grip and peel off the film layer.

2. The organic light-emitting diode screen terminal area film peeling device according to claim 1, characterized in that, The organic light-emitting diode screen terminal area film-removing device further includes a movable adsorption platform (900) and a frame (500). The movable adsorption platform (900) includes a vacuum adsorption strip (910), a connecting plate (920), and a vertical telescopic member (930). The lower end of the vacuum adsorption strip (910) is detachably connected to the upper end of the connecting plate (920). The side of the connecting plate (920) is detachably connected to the vertical telescopic member (930). The vertical telescopic member (930) extends and retracts in the vertical direction. The vertical telescopic member (930) is installed on the frame (500). Both the vacuum adsorption strip (910) and the vertical telescopic member (930) are electrically connected to the motion controller (200). When the film-removing actuator (100) removes the film, the vacuum adsorption strip (910) vacuum adsorbs the lower end face of the organic light-emitting diode screen.

3. The device for peeling off the film in the terminal area of ​​an organic light-emitting diode screen according to claim 1, characterized in that, The ejector pin module (110) includes an ejector pin (111), a pressure sensor, and a quick-change connector (112). The upper end of the quick-change connector (112) is detachably connected to the lower end of the three-axis servo module (130). The ejector pin (111) is installed at the lower end of the quick-change connector (112). The pressure sensor is integrated into the ejector pin (111) and is electrically connected to the motion controller (200).

4. The organic light-emitting diode screen terminal area film peeling device according to claim 1, characterized in that, The number of film-tearing actuators (100) is two, and the two film-tearing actuators (100) simultaneously tear the film at both ends of the organic light-emitting diode screen along its length.

5. The organic light-emitting diode screen terminal area film peeling device according to claim 2, characterized in that, The organic light-emitting diode screen terminal area film peeling device also includes a visual positioning system for identifying the position of the film layer lifting. The visual positioning system includes an industrial camera and a light source. The industrial camera and the light source are both mounted on a frame (500). The industrial camera is electrically connected to the motion controller (200).

6. The organic light-emitting diode screen terminal area film peeling device according to claim 2, characterized in that, The film-tearing actuator (100) also includes an ion rod (600), which includes an ion rod body (610) and an ion nozzle (620). The ion rod body (610) and the ion nozzle (620) are connected by pipes. The ion rod body (610) is mounted on the frame (500). The ion nozzle (620) has its ion outlet in contact with the upper surface of the vacuum adsorption strip (910).

7. The device for peeling off the film in the terminal area of ​​an organic light-emitting diode screen according to claim 1, characterized in that, The organic light-emitting diode screen terminal area film-removing device also includes an auxiliary pressure plate mechanism (800), which is electrically connected to the motion controller (200). The auxiliary pressure plate mechanism (800) extends and retracts in the vertical direction, and the lower end of the auxiliary pressure plate mechanism (800) abuts against the upper surface of the organic light-emitting diode screen.

8. The organic light-emitting diode screen terminal area film peeling device according to claim 2, characterized in that, The organic light-emitting diode screen terminal area film peeling device also includes an air knife (700), which is mounted on the frame (500).

9. The organic light-emitting diode screen terminal area film peeling device according to claim 2, characterized in that, The organic light-emitting diode screen terminal area film-removing device also includes a waste bin (400), which is detachably connected to the frame (500).

10. A method for peeling the film off the terminal area of ​​an organic light-emitting diode (OLED) screen, using the OLED screen terminal area peeling device according to any one of claims 1 to 9, characterized in that, The process includes the following: The organic light-emitting diode screen is fixed on the fixed adsorption platform (300); Obtain the bulging position of the terminal area film layer of the organic light-emitting diode screen; The push pin module (110) is moved to the lifting position and the push pin module (110) is controlled to lift the edge of the film layer along the pressing film layer area to form a peeling part. The pressing force of the push pin (111) is fed back and controlled by the installed pressure sensor. The cylinder gripper module (120) is moved to the peeling section and clamped, and then moves according to a preset three-dimensional spatial trajectory to completely peel off the film layer; The cylinder gripper module (120) is driven to move the peeled film layer above the waste bin (400) and release it.

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