A flexible OLED screen OCA sticking device
By employing the layered pressure bonding technology of the flexible OLED screen OCA bonding device, the problem of damage caused by rigid contact with OLED screens has been solved, achieving a more efficient and safer bonding effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANG SU HE YI GUANG XIAN KE JI YOU XIAN GONG SI
- Filing Date
- 2025-09-17
- Publication Date
- 2026-08-04
AI Technical Summary
Existing OLED screen bonding devices make direct, rigid contact with the OLED screen during use, causing screen damage and making it impossible to perform layered, buffered bonding.
The flexible OLED screen OCA bonding device includes a bonding mechanism and a placement mechanism. It uses layered springs, springs and buffers for cushioning, and combines hydraulic cylinders and pressure sensors to achieve layered pressure bonding and prevent hard contact.
It effectively prevents damage to the OLED screen during the bonding process, while improving bonding efficiency and effectiveness, and ensuring balanced and firm bonding.
Smart Images

Figure CN224588687U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of OLED screen technology, and in particular to a flexible OLED screen OCA bonding device. Background Technology
[0002] OLED screens, or Organic Light Emitting Diode displays, are a display technology that relies on organic materials to emit light without backlighting. Their core advantage stems from this self-emissive characteristic, offering exceptional contrast, thinness, flexibility, and fast response times. They are commonly found in high-end smartphones, televisions, and smartwatches. Based on their light emission method, they can be divided into PMOLED and AMOLED, with the latter being the mainstream application type due to its superior display effect. During OLED screen production, optically transparent adhesive is required. This is a core material in the display industry; it's a substrate-free, highly transparent double-sided adhesive. Its core function is to tightly bond the touchscreen of devices like smartphones and tablets to the display screen, ensuring high light transmittance without affecting display quality. It also eliminates air gaps between screens, reducing reflections and improving image clarity. However, current bonding devices directly and rigidly contact the bonding components with the OLED screen, failing to apply pressure to the OLED screen in layers. This can damage the OLED screen, so improvements are needed. Utility Model Content
[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a flexible OLED screen OCA bonding device, which aims to solve the technical problem that the above-mentioned bonding device cannot perform layered buffer bonding when directly and rigidly bonding with the OLED screen.
[0004] To achieve the above objectives, this utility model adopts the following technical solution: a flexible OLED screen OCA bonding device, comprising a body and a working cavity, the working cavity being disposed on the body, and further comprising: A placement mechanism, located inside the body, is used to place the screen; A bonding mechanism, disposed within the body, is used for OCA bonding. The bonding mechanism includes: A mounting plate is disposed on the bonding mechanism for component mounting; A fixing plate is disposed at the bottom of the mounting plate and is fixedly connected to the mounting plate; The sliding groove has multiple grooves, and the multiple sliding grooves are formed on the fixed plate and fixedly connected to the fixed plate; The support column is multiple, and the multiple support columns are disposed in the sliding groove and slidably connected to the sliding groove; The layered spring has multiple layers, and the multiple layered springs are respectively sleeved on the outer wall of multiple support columns. The top of each layered spring is fixedly connected to the bottom of the fixed plate. The bonding plate is fixedly connected to the bottom of the support column and the bottom ends of the multiple layered springs for bonding work; The springs are multiple and are disposed within the bonding mechanism to cushion and prevent hard contact during bonding. The buffer has multiple components, which are disposed on the mounting plate and fixedly connected to the mounting plate.
[0005] Preferably, the bonding mechanism further includes: A retaining ring is disposed on the machine body and fixedly connected to the machine body; A hydraulic cylinder is mounted on the fixed ring and is fixedly connected to the fixed ring. The mounting slots are multiple, and multiple mounting slots are provided on the body for component mounting; A pressure sensor is mounted on the mounting plate and fixedly connected to the mounting plate; The device has multiple connecting posts, which are disposed within the mounting groove and are fixedly connected to the mounting groove.
[0006] Preferably, the placement mechanism includes: A drive unit, located within the fuselage, is used to provide power; A movable part is provided on the driving part for moving the component; A placement section is provided on the movable section for placing the screen.
[0007] Preferably, the driving unit includes: A mounting ring is provided on the machine body and is fixedly connected to the machine body; A drive motor is mounted on the mounting ring and fixedly connected to the mounting ring.
[0008] Preferably, the moving part includes: A threaded rod is provided at the output end of the drive motor and is fixedly connected to the output end of the drive motor; The machine has two fixed columns, which are located inside the machine body and are fixedly connected to the machine body. A movable component is mounted on the threaded rod and is threadedly connected to the threaded rod.
[0009] Preferably, the placement portion includes: A fixed housing is disposed on the movable component and fixedly connected to the movable component; A placement plate is disposed on the fixed shell and fixedly connected to the fixed shell; The placement slots are multiple, and the multiple placement slots are disposed on the placement plate for screen placement.
[0010] Preferably, the placement part further includes: The mounting plate has multiple fixing holes for component insertion. There are two fixing pins, and the two fixing pins are disposed inside the fixing shell and are slidably connected to the fixing shell.
[0011] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are: 1. This device, through the setting of a bonding mechanism, can play a good buffering role during bonding under the action of layered springs, preventing screen damage caused by hard contact, while also enabling better bonding of the OLED screen. Through the buffering action, when the support column is not in contact with the mounting plate during bonding, the bonding plate exerts less pressure on the OLED screen and slowly expels the gas generated during bonding. As the layered springs compress and the support column contacts the mounting plate, the layered springs stop compressing, and the bonding plate increases the pressure on the OLED screen for a firm bonding.
[0012] 2. This device, through the setting of a placement mechanism, can automatically move the OLED screen to the underside of the bonding mechanism, and can automatically move the bonded OLED screen out of the machine body through the rotation of the threaded rod. At the same time, the fixing holes and fixing pins can easily fix the bonding mold, which improves the bonding efficiency and facilitates the placement and collection of OLED screens. Attached Figure Description
[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0014] Figure 1 A three-dimensional structural schematic diagram of a flexible OLED screen OCA bonding device is shown.
[0015] Figure 2 A partial cross-sectional view of a flexible OLED screen OCA bonding device is shown.
[0016] Figure 3 A three-dimensional structural diagram of the bonding mechanism is shown.
[0017] Figure 4 A perspective view of some components in the bonding mechanism is shown.
[0018] Figure 5 An exploded view of the placement mechanism is shown.
[0019] Figure 6 It shows Figure 5 A magnified schematic diagram of the structure at point A in the middle.
[0020] Legend: 1. Body; 2. Working chamber; 3. Fixing ring; 4. Hydraulic cylinder; 5. Mounting slot; 6. Mounting plate; 7. Spring; 8. Buffer; 9. Connecting column; 10. Pressure sensor; 11. Adhesive plate; 12. Mounting ring; 13. Drive motor; 14. Threaded rod; 15. Fixing column; 16. Moving part; 17. Fixing shell; 18. Placement plate; 19. Placement slot; 20. Fixing plate; 21. Sliding slot; 22. Support column; 23. Layered spring; 24. Fixing hole; 25. Fixing pin. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0022] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0023] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.
[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0025] Reference Figures 1 to 6 The present invention provides a further description of an embodiment of a flexible OLED screen OCA bonding device.
[0026] A flexible OLED screen OCA bonding device includes a body 1 and a working cavity 2. The working cavity 2 is disposed inside the body 1. It also includes a placement mechanism disposed on the bottom surface of the working cavity for placing the screen; and a bonding mechanism disposed on the top of the working cavity for OCA bonding. The bonding mechanism includes: a mounting plate 6, disposed on the bonding mechanism for component mounting; a fixing plate 20, disposed at the bottom of the mounting plate 6 and fixedly connected to the mounting plate 6; multiple sliding grooves 21, which are formed on the fixing plate 20; multiple support columns 22, which are disposed within the sliding grooves 21 and slidably connected to the sliding grooves 21; and multiple layered springs 23, which are respectively sleeved on the outer wall of the multiple support columns 22, with the top end of each layered spring 23 touching the bottom of the fixing plate 20. The system is fixedly connected, with the original height of each layered spring 23 being greater than the height of the support column 22; the bonding plate 11 is disposed on the support column 22 and the layered springs 23, and is fixedly connected to the bottom of the support column 22 and the bottom ends of the multiple layered springs 23 for bonding work, and the height of the bonding plate 11 around its perimeter is lower than the height of the support column 22; there are multiple springs 7, and the multiple springs 7 are disposed in the mounting groove 5 for buffering to prevent hard contact during bonding; there are multiple buffer members 8, and the multiple buffer members 8 are disposed on the mounting plate 6 and fixedly connected to the mounting plate 6.
[0027] refer to Figure 1 and Figure 5 In a preferred embodiment, the bonding mechanism further includes: a fixing ring 3, which is disposed on the machine body 1 and fixedly connected to the machine body 1; a hydraulic cylinder 4, which is disposed on the fixing ring 3 and fixedly connected to the fixing ring 3; a plurality of mounting grooves 5, which are disposed on the machine body 1 for component mounting; a pressure sensor 10, which is disposed on the mounting plate 6 and fixedly connected to the mounting plate 6; and a plurality of connecting posts 9, which are disposed in the mounting grooves 5 and fixedly connected to the mounting grooves 5.
[0028] With this setup, during operation, hydraulic cylinder 4 moves mounting plate 6 closer to drive motor 13. Mounting plate 6 then moves bonding plate 11 closer to drive motor 13. As mounting plate 6 moves, buffer 8 first contacts spring 7. Spring 7 and buffer 8 act as a buffer to prevent hard contact during bonding from damaging the screen. Subsequently, spring 7 compresses, bringing bonding plate 11 into contact with the OLED screen. Pressure sensor 10 monitors bonding pressure in real time to ensure bonding effectiveness. Buffer 8 is made of rubber, which, together with spring 7, provides good cushioning. Mounting plate 6 and connecting post 9 are slidably connected, and connecting post 9 prevents spring 7 from bending. The device is designed with a bonding plate 11 fixedly connected to a layered spring 23 and a support column 22. The support column 22 ensures that the bonding plate 11 can move vertically and slides in the sliding groove 21 as the layered spring 23 is compressed until the top of the support column 22 contacts the mounting plate 6. At this point, the layered spring 23 is no longer compressed, and the bonding plate 11 can increase the pressure on the OLED screen for a firm bonding. During the bonding process, the pressure sensor 10 monitors the pressure value in real time and adjusts the pressure through the hydraulic cylinder 4. The device body 1 is equipped with a control panel that can control the hydraulic cylinder 4, the drive motor 13, and the pressure sensor 10.
[0029] refer to Figure 2 and Figure 5 In a preferred embodiment, the placement mechanism includes: a drive unit disposed within the body 1 for providing power; a moving unit disposed on the drive unit for moving the component; and a placement unit disposed on the moving unit for placing the screen.
[0030] refer to Figure 5 In a preferred embodiment, the drive unit includes: a mounting ring 12, which is disposed on the body 1 and fixedly connected to the body 1; and a drive motor 13, which is disposed on the mounting ring 12 and fixedly connected to the mounting ring 12.
[0031] refer to Figure 3 and Figure 5 In a preferred embodiment, the moving part includes: a threaded rod 14, which is disposed at the output end of the drive motor 13 and fixedly connected to the output end of the drive motor 13; two fixed posts 15, which are disposed inside the body 1 and fixedly connected to the body 1; and a moving part 16, which is disposed on the threaded rod 14 and threadedly connected to the threaded rod 14.
[0032] refer to Figure 5 and Figure 6In a preferred embodiment, the placement part includes: a fixed housing 17 disposed on and fixedly connected to the movable member 16; a placement plate 18 disposed on and fixedly connected to the fixed housing 17; a plurality of placement slots 19 disposed on the placement plate 18 for placing the screen; two fixing pins 25 disposed within the fixed housing 17 and slidably connected to the fixed housing 17; and a plurality of fixing holes 24 disposed within the placement plate 18 for inserting the fixing pins 25.
[0033] With this setup, during operation, the OLED screen is placed in the placement slot 19, and the drive motor 13 is started. The drive motor 13 drives the threaded rod 14 to rotate, and the threaded rod 14 drives the moving part 16 to move on the fixed column 15, thereby moving the placement part to below the bonding mechanism. The fixing hole 24 is used for the insertion of the fixing pin 25. The fixing pin 25 is composed of a handle connecting multiple cylinders. The handle makes it easier for the operator to move the fixing pin 25 as a whole. The fixing pin 25 slides into the fixing hole 24 of the placement plate 18 within the fixing shell 17, thus fixing the placement plate.
[0034] This device, through its placement mechanism, can automatically move the OLED screen under the bonding mechanism and automatically remove the bonded OLED screen from the body 1, improving bonding efficiency and facilitating the placement and collection of the OLED screen. The bonding mechanism provides excellent cushioning during bonding, preventing damage to the screen from hard contact. Simultaneously, the pressure sensor 10 monitors the pressure in real time during the bonding process to ensure optimal bonding results.
[0035] Working Principle: During operation, a suitable placement plate 18 is selected and placed inside the fixed housing. The operator manually slides the fixing pin by holding the handle, allowing it to enter the fixing hole, thus completing the placement of the plate 18. Next, the OLED screen is placed in the placement slot 19. The drive motor 13 is then activated, causing the threaded rod 14 to rotate. The threaded rod 14 moves the moving part 16 on the fixed column 15, thereby moving the placement part below the bonding mechanism. The hydraulic cylinder 4 moves the mounting plate 6 closer to the drive motor 13, and the mounting plate 6 moves the bonding plate 11 closer to the drive motor 13. As the mounting plate 6 moves, the buffer 8 first contacts the spring 7. The spring 7 and the buffer 8 provide cushioning. When the spring 7 is compressed, the hydraulic cylinder 4 simultaneously moves the fixed plate 20, the layered spring 23, and the support column 22. The layered spring 23 and the support column 22 push the bonding plate 11 until it contacts the OLED screen. Then, the layered spring 23 is compressed, which drives the support column 22 into the sliding groove 21. At this time, the contact pressure between the bonding plate 11 and the OLED screen is small, which can prevent screen damage caused by hard contact during bonding and slowly expel the air during bonding. As the support column 22 contacts the mounting plate 6, the layered spring 23 and the spring 7 no longer perform buffering work and gradually increase the pressure of the bonding plate 11 on the OLED screen, so that the bonding plate 11 can firmly bond the OLED screen. During the bonding work, the pressure sensor 10 monitors the bonding pressure in real time to ensure the bonding effect. Through this device, flexible OLED screen OCA bonding is realized. By applying layered pressure to the OLED screen, screen damage caused by hard contact is avoided and the bonding effect is improved.
[0036] The above description of the embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A flexible OLED screen OCA sticking device, comprising a machine body (1) and a working cavity (2), the working cavity (2) is arranged in the machine body (1), characterized in that, Also includes: A placement mechanism, located inside the body (1), is used to place the screen; A bonding mechanism, disposed within the body (1), is used for OCA bonding. The bonding mechanism includes: Mounting plate (6) is disposed on the bonding mechanism for component mounting; A fixing plate (20) is disposed at the bottom of the mounting plate (6) and is fixedly connected to the mounting plate (6); Multiple sliding grooves (21) are provided, and multiple sliding grooves (21) are formed on the fixed plate (20) and fixedly connected to the fixed plate (20); The support column (22) has multiple supports, and the multiple support columns (22) are disposed in the sliding groove (21) and are slidably connected to the sliding groove (21); The layered spring (23) has multiple layers, and the multiple layered springs (23) are respectively sleeved on the outer wall of multiple support columns (22), and the top of each layered spring (23) is fixedly connected to the bottom of the fixed plate (20); The bonding plate (11) is fixedly connected to the bottom of the support column (22) and the bottom ends of the plurality of layered springs (23) for bonding work; A plurality of springs (7) are provided in the bonding mechanism for cushioning to prevent hard contact during bonding; The buffer (8) has multiple buffers, and the multiple buffers (8) are disposed on the mounting plate (6) and fixedly connected to the mounting plate (6).
2. The flexible OLED screen OCA attaching device according to claim 1, wherein, The bonding mechanism further includes: A fixing ring (3) is provided on the body (1) and is fixedly connected to the body (1); A hydraulic cylinder (4) is mounted on the fixed ring (3) and is fixedly connected to the fixed ring (3); The mounting slots (5) are multiple, and the multiple mounting slots (5) are disposed on the body (1) for component mounting; A pressure sensor (10) is mounted on the mounting plate (6) and is fixedly connected to the mounting plate (6); There are multiple connecting posts (9), and the multiple connecting posts (9) are disposed in the mounting groove (5) and fixedly connected to the mounting groove (5). 3.The flexible OLED screen OCA attaching device according to claim 2, characterized in that, The placement mechanism includes: A drive unit, located inside the fuselage (1), is used to provide power; A movable part is provided on the driving part for moving the component; A placement section is provided on the movable section for placing the screen.
4. The flexible OLED screen OCA attaching device according to claim 3, characterized in that, The drive unit includes: Mounting ring (12) is set on the body (1) and fixedly connected to the body (1); A drive motor (13) is mounted on the mounting ring (12) and is fixedly connected to the mounting ring (12).
5. The flexible OLED screen OCA attaching device according to claim 4, characterized in that, The moving part includes: A threaded rod (14) is disposed at the output end of the drive motor (13) and is fixedly connected to the output end of the drive motor (13); There are two fixed columns (15), and the two fixed columns (15) are disposed inside the body (1) and fixedly connected to the body (1); The movable part (16) is disposed on the threaded rod (14) and is threadedly connected to the threaded rod (14).
6. The flexible OLED screen OCA attaching device according to claim 5, wherein, The placement part includes: A fixed shell (17) is disposed on the movable part (16) and fixedly connected to the movable part (16); A placement plate (18) is disposed on the fixed shell (17) and fixedly connected to the fixed shell (17); The placement slots (19) are multiple, and the multiple placement slots (19) are disposed on the placement plate (18) for screen placement.
7. The flexible OLED screen OCA attaching device according to claim 6, wherein, The placement part also includes: The mounting holes (24) are multiple, and the multiple mounting holes (24) are disposed in the placement plate (18) for component insertion; There are two fixing pins (25), and the two fixing pins (25) are disposed inside the fixing shell (17) and are slidably connected to the fixing shell (17).