CN110303450B - Curved surface display screen laminating device and system - Google Patents
Curved surface display screen laminating device and system Download PDFInfo
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- CN110303450B CN110303450B CN201910568722.XA CN201910568722A CN110303450B CN 110303450 B CN110303450 B CN 110303450B CN 201910568722 A CN201910568722 A CN 201910568722A CN 110303450 B CN110303450 B CN 110303450B
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- display screen
- vibrating
- pressure head
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/08—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a curved surface display screen attaching device and a curved surface display screen attaching system. Curved surface display screen laminating device includes: an elastic pressure head; and the vibrating piece is embedded in the elastic pressure head and is used for generating vibration under the action of external force so as to drive the local surface of the elastic pressure head to vibrate.
Description
Technical Field
The invention relates to the technical field of curved surface display screen fitting, in particular to a curved surface display screen fitting device and system.
Background
With the development of flexible display technology, various curved display screens have come to be produced, wherein the process of attaching the curved cover plate and the flexible display screen is of great interest as one of the necessary steps for producing the curved display screen. In the face of curved cover plates with various shapes, such as 90-degree cover plates, the existing bonding process is seriously examined, and the defects of bubbles, black spots and the like frequently occur in the bonding process, so that the functionality of the display screen is poor.
Disclosure of Invention
In view of this, embodiments of the present invention provide a curved display screen attaching device and a curved display screen attaching system, so as to solve the problem of poor attaching effect of a curved display screen in the prior art.
The invention provides a curved surface display screen laminating device on one hand, which comprises: an elastic pressure head; and the vibrating piece is embedded in the elastic pressure head and is used for generating vibration under the action of external force so as to drive the local surface of the elastic pressure head to vibrate. Utilize the elasticity pressure head to realize pressing in proper order and paste the laminating, utilize the vibrating part to realize the secondary vibration laminating, promoted the laminating effect of flexible display screen and curved surface apron.
In one embodiment, the vibrating element is a vibrating rod, the central line of the vibrating rod is parallel to the vibrating direction of the vibrating rod, and the central line of the vibrating rod is perpendicular to the surface of the elastic pressure head. Therefore, the vibration direction of the vibrating piece is vertical to the surface of the elastic pressure head, and the utilization rate of the vibration mechanical energy is high.
In one embodiment, the elastic pressure head comprises an abutting surface, an arc-shaped surface formed by smoothly transiting the end part of the abutting surface, and a side surface formed by extending the end part of the arc-shaped surface, wherein the central line of the vibrating rod is vertical to the side surface. The vibration area is aligned to the arc area of the curved cover plate, and the attaching effect of the arc area is improved.
In one embodiment, the end of the vibrating rod near the side of the elastic pressure head is hemispherical. Thus, the probability of occurrence of the fit gap can be reduced.
In one embodiment, the vibrating element comprises a plurality of vibrating rods, the vibrating rods are arranged in parallel, and the arrangement direction of the vibrating rods is parallel to the side face of the elastic pressure head. The vibration range is ensured to cover the whole arc-shaped area of the curved cover plate as far as possible, and the attaching effect is ensured.
In one embodiment, the vibrating rod has a cross-sectional circle diameter of 2-5 mm and a length of 10-15 mm. Avoid the elastic pressure head pressurized deformation back, form vibration interference between the vibrating spear.
In one embodiment, the vibrating rod vibrates at a frequency of 40-80 Hz with an amplitude of 0.2-0.5 mm. The flexible display screen is not damaged while the vibration strength is ensured.
In one embodiment, the material of the vibrating rod is a magnetostrictive material. Simple structure and easy industrial realization.
The invention provides a curved surface display screen laminating system on one hand, which comprises: the curved display screen attaching device provided by any one of the above embodiments; the base is contacted with the surface opposite to the binding surface of the elastic pressure head so as to bear the elastic pressure head; and the first movable stop part and the second movable stop part are arranged on two opposite sides of the elastic pressure head. Combine curved surface display screen laminating device and activity stop part, utilize activity stop part to strengthen the pressure of elasticity pressure head to the arc region of curved surface apron, further promote the laminating effect in arc region.
In one embodiment, the first movable stop is a stop block, the stop block includes a top surface and a side surface adjacent the resilient ram, and the top surface and the side surface of the stop block smoothly transition therebetween. The damage of the movable stop piece to the elastic pressure head is avoided.
According to the flexible display screen laminating device and the flexible display screen laminating system, the elastic pressure head and the vibrating piece are combined, so that the flexible display screen and the curved surface cover plate are laminated twice, the probability of defects such as bubbles and black spots in the laminating process is reduced, and the reliability of the laminated curved surface display screen is improved. Meanwhile, in the vibration laminating process, the elastic pressure head also serves as a cushion pad, the vibration piece is prevented from being in direct contact with the flexible display screen, and the probability of damage to the flexible display screen is reduced.
Drawings
Fig. 1 is a schematic structural view of a curved display screen attaching apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a curved display screen attaching apparatus according to another embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a curved display screen attaching system according to an embodiment of the present invention.
Fig. 4 is a schematic view illustrating a bonding state of a curved display screen by using the curved display screen bonding system shown in fig. 3 according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural view of a curved display screen attaching apparatus according to an embodiment of the present invention. As shown in fig. 1, the curved display screen attaching apparatus 10 is used for attaching a flexible display screen 20 and a curved cover 30 together. The curved display screen attaching device 10 comprises an elastic pressure head 11 and a vibrating piece 12, wherein the vibrating piece 12 is embedded in the elastic pressure head 11, namely the vibrating piece 12 is tightly embedded in the elastic pressure head 11, and the surface of the vibrating piece 12 is tightly contacted with the elastic pressure head 11. The vibrating member 12 is configured to vibrate under an external force to vibrate the local surface of the elastic pressing head 11.
The elastic indenter 11 has a good elasticity, for example a block of silicone. The curved cover plate 30 includes a plane area a and an arc area B formed by extending an end of the plane area a. When the elastic pressure head 11 is pressed into the curved cover plate 30, the elastic pressure head 11 deforms to adapt to the shape of the curved cover plate 30, so that when the flexible display screen 20 is placed between the elastic pressure head 11 and the curved cover plate 30, the flexible display screen 20 can be pressed into the curved cover plate 30 by using the elastic pressure head 11, and one-time pressing and attaching of the flexible display screen 20 and the curved cover plate 30 is realized.
The vibrating member 12 is a rigid member such as a metal rod. The vibrating element 12 can be matched with the elastic pressure head 11, and is used for driving out bubbles to realize secondary vibration attachment in the pressing and attaching process of the elastic pressure head 11 or after the pressing and attaching process of the elastic pressure head 11 is completed. When no bubble is generated at the position after pressing and attaching, the secondary vibration attaching process can be used for increasing the attaching strength.
The vibration direction of the vibrating member 12 includes a thickness direction, a tangential direction, a longitudinal direction, a radial direction, and the like. The number, shape and position of the vibrating elements 12 in the elastic indenter 11 can be chosen appropriately according to the actual needs.
The process of attaching the flexible display screen 20 and the curved cover plate 30 by using the curved display screen attaching device 10 includes: firstly, pressing and attaching the flexible display screen 20 and the curved surface cover plate 30 together by using an elastic pressure head 11; then drive vibrating part 12 vibration, can drive the vibration of the elasticity pressure head 11 with its in close contact with when vibrating part 12 vibration to utilize the vibration of elasticity pressure head 11 to carry out the secondary vibration laminating to flexible display screen and curved surface apron. Or, firstly, the flexible display screen 20 and the curved cover plate 30 are pressed and attached together by the elastic pressure head 11; then, performing secondary vibration bonding on the bonded part by using a vibrating piece 12; according to the above process, the flexible display 20 is sequentially attached to the curved cover 30 from the center to the periphery.
According to the flexible display screen attaching device provided by the embodiment, two attaching processes of the flexible display screen 20 and the curved cover plate 30 are realized. Meanwhile, in the vibration attaching process, the elastic pressure head 11 also serves as a buffer pad, so that the vibration piece 12 is prevented from being in direct contact with the flexible display screen 20, and the probability of damage to the flexible display screen 20 is reduced.
In one embodiment, as shown in fig. 1, the vibrating member 12 is a vibrating rod, the central line L of the vibrating rod is parallel to the vibrating direction of the vibrating rod, i.e. the vibrating direction of the vibrating rod is longitudinal, and the central line of the vibrating rod is perpendicular to the surface of the elastic indenter 11.
The vibrating rod can be of a uniform-section rod-shaped structure, namely the cross section of the vibrating rod is equal everywhere, and can also be of a non-uniform-section rod-shaped structure, namely the cross section of the vibrating rod is gradually changed. Further, the cross section of the vibrating rod may be any shape such as a circle, a rectangle, an ellipse, etc.
According to the curved display screen attaching device provided by the embodiment, the vibration direction of the vibration piece 12 is perpendicular to the surface of the elastic pressure head 11, which is equivalent to repeated beating of the vibration piece 12 on the surface of the elastic pressure head 11, so that the vibration mechanical energy of the vibration piece 12 acts on the surface of the elastic pressure head 11 as much as possible, the vibration energy damage is minimum, and the utilization rate of the vibration mechanical energy is improved.
In one embodiment, the material of the vibrating rod is a magnetostrictive material. In this case, the elastic pressure head 11 can be placed in an electromagnetic field, and the longitudinal vibration of the vibrating rod can be realized by controlling the existence of the electromagnetic field, so that other components of a vibration system are not required to be arranged in the elastic pressure head 11, and the structural damage to the elastic pressure head 11 is reduced.
In other embodiments, the vibration direction of the vibrating rod may be perpendicular to the center line L of the vibrating rod, that is, the vibration direction of the vibrating rod may be a radial direction. In this case, the center line L of the vibrating rod may be parallel to the surface of the elastic indenter 11, so that the surface of the elastic indenter 11 is repeatedly tapped by the vibration of the two ends of the vibrating rod, thereby achieving the secondary vibration bonding between the flexible display 20 and the curved cover 30.
Fig. 2 is a schematic structural view of a curved display screen attaching apparatus according to another embodiment of the present invention. As shown in fig. 2, the elastic indenter 41 in the curved display screen bonding apparatus 40 includes a bonding surface a, an arc surface b formed by smoothly transitioning the end of the bonding surface a, and a side surface c formed by extending the end of the arc surface b, and the center line L of the vibrating rod 42 is perpendicular to the side surface c.
As shown in fig. 1, in consideration of the deformation of the elastic pressure head 11 itself when the elastic pressure head 11 is pressed against the curved surface, the elastic pressure head 11 may be contained by the curved surface cover plate 30 in a normal condition, that is, when the elastic pressure head 11 contacts the curved surface cover plate 30 without applying pressure to the elastic pressure head 11, a gap is formed between the curved surface cover plate 30 and the elastic pressure head 11. In this case, when the flexible display 20 and the curved cover 30 are pressed by the elastic pressing head 11, the side face c of the elastic pressing head 11 actually comes into contact with the arc-shaped area B of the curved cover 30 along with the deformation of the elastic pressing head 11.
Based on this, according to the flexible display screen attaching device 40 provided in this embodiment, the vibrating rod 42 is perpendicular to the side surface of the elastic pressure head 41, and is actually equivalent to the vibrating rod 42 being perpendicular to the arc-shaped area B of the curved cover plate 30, so that the subsequent vibration attaching to the arc-shaped area B is realized, and the probability of the arc-shaped area B having defects such as bubbles is reduced.
It should be noted that the specific position of the vibrating rod 42 in the elastic pressure head 41 can be measured by the distance D between the center line L of the vibrating rod 42 and the contact surface a of the elastic pressure head 41, and the distance D is determined by the structures of the curved cover plate 30 and the elastic pressure head 11, based on the arc-shaped area B of the vibrating rod 42 just pointing to the curved cover plate 30 after the elastic pressure head 41 deforms.
In one embodiment, as shown in FIG. 2, the vibrating rod 42 has a hemispherical shape at its end near the side c of the elastic indenter 41. Therefore, the probability of the fit clearance between the curved surface cover plate 30 and the flexible display screen 20 in the fit process can be reduced, and the fit effect is further improved.
In one embodiment, as shown in fig. 2, the vibrating member includes a plurality of vibrating rods 42, the plurality of vibrating rods 42 are arranged in parallel, and the arrangement direction of the plurality of vibrating rods 42 is parallel to the side surface c of the elastic indenter 41. Therefore, the vibration range can be ensured to cover the arc-shaped area B of the whole curved cover plate 30 as far as possible, and the attaching effect is better.
In one embodiment, the vibrating rod 42 vibrates at a frequency of 40-80 Hz with an amplitude of vibrationIs 0.2-0.5 mm. According to the formula: a is 0.002 XF2X D, wherein A is acceleration, F is vibration frequency, D is vibration amplitude, and when the vibration frequency of the vibrating bar 42 is 40-80 Hz and the vibration amplitude is 0.2-0.5 mm, the vibration acceleration is 64m/s2. Because the vibration intensity is in direct proportion to the vibration acceleration, the vibration intensity corresponding to the vibration acceleration can meet the requirement of vibration lamination, and the flexible display screen 20 cannot be damaged.
In one embodiment, shown in FIG. 2, the vibrating rod 42 is a cylindrical rod-like structure, and the cross-sectional circle of the vibrating rod 42 has a diameter of 2-5 mm and a length of 10-15 mm. The arc radius of the arc-shaped area B of the existing curved cover plate 30 is usually 2.6-5.6 mm, and by setting the diameter of the cross-section circle of the vibrating rods 42 to be 2-5 mm and the length to be 10-15 mm, enough vibrating rods 42 can be arranged in the arc-shaped area B of the curved cover plate 30 on the premise of ensuring the sufficient vibration intensity of each vibrating rod 42, and no vibration interference is generated among a plurality of vibrating rods 42. For example, as shown in fig. 2, when the diameter of the cross-sectional circle of the vibration rod 42 is 2 mm, three rows of vibration rods 42 arranged in parallel may be provided in the elastic indenter 41. When the diameter of the cross-sectional circle of the vibration rod 42 is 5 mm, two rows of vibration rods 42 arranged in parallel may be provided in the elastic indenter 41.
Fig. 3 is a schematic structural diagram of a curved display screen attaching system according to an embodiment of the present invention. As shown in fig. 3, the curved display screen attaching system includes the curved display screen attaching device 31, the base 32 and the stopping mechanism 33 provided in any of the above embodiments. The base 32 contacts the surface of the curved display screen engaging device 31 opposite the engaging surface of the resilient ram 310 to carry the resilient ram 310. The stopping mechanism 33 includes a first movable stopper and a second movable stopper provided at opposite sides of the elastic pressing head 310.
The first movable stopper and the second movable stopper have two degrees of freedom in the horizontal direction and the vertical direction, and specifically, the first movable stopper and the second movable stopper may move toward and away from each other in the horizontal direction and may also synchronously ascend and descend in the vertical direction. The movement of the first and second movable stoppers in the horizontal direction may be implemented using a pusher, and the movement in the vertical direction may be implemented using an elevator. The base 32 has at least one degree of freedom in the vertical direction, i.e., the base 32 can be raised and lowered in the vertical direction, and the movement of the base 32 in the vertical direction can also be performed using an elevator. The base 32 is independently controlled from the first movable stopper and the second movable stopper, respectively.
In one embodiment, as shown in FIG. 3, the curved display screen conforming system further includes a clamping mechanism 34. The gripping structure 34 comprises a first movable gripper and a second movable gripper arranged opposite each other, the first movable gripper and the first movable stop being located on the same side of the elastic ram 310, and the second movable gripper and the second movable stop being located on the same side of the elastic ram 310. The first movable gripper and the second movable gripper have a rotation angle of at least 0-180 degrees in the vertical direction.
Fig. 4 is a schematic view illustrating a bonding state of a curved display screen by using the curved display screen bonding system shown in fig. 3 according to an embodiment of the present invention. Referring to fig. 3 and 4, the working process of the curved display screen attaching system includes: in the vacuum chamber, fixing the curved cover plate 30, and attaching the flexible display screen 20 to the upper surface of the guide film 50; the two ends of the guide film 50 are drawn to be aligned with the curved cover plate 30 by the first movable gripper and the second movable gripper. The driving base 32 drives the curved display screen attaching device 31 to move upwards until the middle of the flexible display screen 20 contacts with the curved cover plate 30. The driving base 32 continues to rise, and the first movable gripper and the second movable gripper are synchronously adjusted to rotate downwards to pull the two ends of the flexible display screen 20 to move towards each other, so that the flexible display screen 20 is ensured to gradually press and fit with the curved cover plate 30 from the center to the two sides. Meanwhile, the first movable stop member and the second movable stop member are adjusted to move towards each other to generate an extrusion acting force on the elastic pressure head 310, and the extrusion acting force can improve the pressure applied to the arc-shaped area of the curved cover plate 30 by the elastic pressure head 310, so that the pressing and attaching effect of the elastic pressure head is improved. After the flexible display screen 20 and the curved cover 30 are completely attached to each other, the vibrating element 320 is driven to vibrate to knock the arc-shaped area of the curved cover 30, and bubbles in the arc-shaped area are discharged under the action of the vacuum cavity, so that secondary vibration attachment of the arc-shaped area is realized.
According to the curved display screen attaching system provided by the embodiment, the curved display screen attaching device 31 and the movable stop member are combined, and the movable stop member is utilized to generate extrusion acting force on the elastic pressing head 310, so that the pressure of the elastic pressing head 310 on the arc-shaped area of the curved cover plate 30 is improved, the pressure of the elastic pressing head 310 on the arc-shaped area of the curved cover plate 30 is compensated for being insufficient relative to the pressure of the plane area, and the pressure balance of the arc-shaped area and the plane area of the curved cover plate 30 is improved.
In one embodiment, as shown in fig. 3 and 4, the first movable stopper is a stopper, and the stopper includes a top surface S1And a side S adjacent to the resilient indenter 3102Top surface S of the stopper1And side S2And smoothly transitions between them. The second movable stopper has the same structure as the first movable stopper.
According to the first movable stopper and the second movable stopper provided in the present embodiment, the surfaces of the first movable stopper and the second movable stopper that contact the elastic indenter 310 are smoothly curved, and the elastic indenter 310 is not damaged during the process of applying pressure to the elastic indenter 310.
It should be understood that the terms "first" and "second" used in the description of the embodiments of the present invention are only used for clearly illustrating the technical solutions, and are not used for limiting the protection scope of the present invention.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention are included in the present invention.
Claims (9)
1. The utility model provides a curved surface display screen laminating system which characterized in that includes:
the curved surface display screen laminating device comprises an elastic pressure head; the vibrating piece is embedded in the elastic pressure head and is used for generating vibration under the action of external force so as to drive the local surface of the elastic pressure head to vibrate;
the base is contacted with the surface opposite to the binding surface of the elastic pressure head so as to bear the elastic pressure head; and
the first movable stop piece and the second movable stop piece are arranged on two opposite sides of the elastic pressure head.
2. The curved display screen laminating system of claim 1, wherein the first movable stop is a stop block, the stop block including a top surface and a side surface proximate the resilient indenter, the top surface and the side surface of the stop block having a smooth transition therebetween.
3. The curved display screen attaching system according to claim 1, wherein the vibrating member is a vibrating bar, a center line of the vibrating bar is parallel to a vibration direction of the vibrating bar, and the center line of the vibrating bar is perpendicular to a surface of the elastic pressing head.
4. The curved display screen bonding system of claim 3, wherein the flexible indenter comprises a bonding surface, an arcuate surface formed by a smooth transition of an end of the bonding surface, and a side surface formed by an extension of an end of the arcuate surface, wherein the center line of the vibrating rod is perpendicular to the side surface.
5. The curved display screen laminating system of claim 4, wherein an end of the vibrator near a side of the elastic indenter is hemispherical.
6. The curved display screen attaching system according to claim 4 or 5, wherein the vibrating member includes a plurality of vibrating rods arranged in parallel, and the arrangement direction of the plurality of vibrating rods is parallel to the side surface of the elastic pressing head.
7. The curved display screen attachment system of claim 6, wherein the vibrating rod has a cross-sectional circle diameter of 2-5 mm and a length of 10-15 mm.
8. The curved display screen attachment system of claim 6, wherein the vibrating rod has a frequency of 40-80 hz and an amplitude of 0.2-0.5 mm.
9. The curved display screen conforming system of claim 3 wherein the material of the vibrating rod is a magnetostrictive material.
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| CN201910568722.XA CN110303450B (en) | 2019-06-27 | 2019-06-27 | Curved surface display screen laminating device and system |
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| CN201910568722.XA CN110303450B (en) | 2019-06-27 | 2019-06-27 | Curved surface display screen laminating device and system |
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| CN110303450A CN110303450A (en) | 2019-10-08 |
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| CN113362705A (en) * | 2020-03-05 | 2021-09-07 | 北京小米移动软件有限公司 | Display screen attaching process and buffer assembly |
| CN111894951B (en) * | 2020-07-14 | 2022-03-29 | 昆山国显光电有限公司 | Attaching jig and display screen attaching method |
| CN111768710B (en) * | 2020-07-21 | 2022-07-22 | 云谷（固安）科技有限公司 | Laminating device |
| CN111785171B (en) * | 2020-07-21 | 2022-03-29 | 昆山国显光电有限公司 | Laminating device |
| CN112150932A (en) * | 2020-10-22 | 2020-12-29 | 京东方科技集团股份有限公司 | Laminating device |
| CN113246456A (en) * | 2021-04-30 | 2021-08-13 | 合肥维信诺科技有限公司 | Screen body attaching method and attaching system |
| CN113370633A (en) * | 2021-06-17 | 2021-09-10 | 合肥维信诺科技有限公司 | Flexible screen laminating device and laminating method |
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| CN1298771A (en) * | 2000-12-22 | 2001-06-13 | 甘肃天星稀土功能材料有限公司 | Vibration generator and method for eliminating residual stress of metal parts with it |
| JP2005300972A (en) * | 2004-04-13 | 2005-10-27 | Seiko Epson Corp | Method for manufacturing display device and substrate sticking device |
| CN201721103U (en) * | 2010-05-14 | 2011-01-26 | 允昌科技(苏州)有限公司 | Parallel vibrating and laminating device |
| JP6491917B2 (en) * | 2015-03-24 | 2019-03-27 | 株式会社Ｓｃｒｅｅｎラミナテック | Pasting device |
| CN108615464B (en) * | 2018-04-20 | 2020-06-23 | 云谷（固安）科技有限公司 | Attaching device and attaching method for special-shaped curved surface cover plate and flexible screen |
| CN108693998B (en) * | 2018-05-11 | 2021-04-27 | 武汉华星光电半导体显示技术有限公司 | Curved surface laminating device and curved surface laminating method |
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Application publication date: 20191008 Assignee: Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd.|Kunshan Guoxian photoelectric Co., Ltd Assignor: The valley (Guan) Technology Co. Ltd. Contract record no.: X2019990000155 Denomination of invention: A kind of camber display screen laminating apparatus and system License type: Common License Record date: 20191030 |
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Effective date of registration: 20191204 Address after: No. 2 Xiangshan Avenue, Yongning Street, Zengcheng District, Guangzhou, Guangdong province (the core of Zengcheng economic and Technological Development Zone) Applicant after: Guangzhou Guoxian Technology Co., Ltd Address before: 065500 Hebei Langfang County Guan emerging industry demonstration area Applicant before: The valley (Guan) Technology Co. Ltd. |
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