Attaching jig and attaching device

Abstract

The application provides a fitting jig and an attaching device. The fitting jig comprises a jig main body and an auxiliary part. The jig main body comprises a supporting surface for supporting a to-be-fitted part. The supporting surface comprises a planar area and an arc corner area. The arc corner area is arranged around the planar area. The auxiliary part is connected with the jig main body. The modulus of the auxiliary part is smaller than that of the jig main body. The orthographic projection of the auxiliary part on the supporting surface is located at least in the arc corner area. The fitting jig of the application can adjust the elasticity of the area where the auxiliary part is located by arranging the auxiliary part with a smaller modulus on the jig main body. In the fitting process, the deformation of the area where the auxiliary part is arranged in the jig main body can be increased, the local accumulation of materials can be reduced, the pressure distribution of each part of the jig main body is more balanced, the fitting pressure of the jig main body on the to-be-fitted part is adjusted, the fitting quality of the screen body and the cover plate is improved, and the product yield is improved.

Description

Technical Field

[0001] This application relates to the field of display device manufacturing technology, and in particular to a bonding fixture and bonding device. Background Technology

[0002] With the continuous development of flexible display technology, curved screens are attracting increasing attention from users. The curved screen and cover plate have corresponding curvatures, making the bonding process between them complex. During bonding, a contour-following bonding fixture is typically used to support the flexible screen and compress it to bond it to the cover plate. However, a tight bond between the screen and cover plate can be difficult, potentially resulting in bonding air bubbles and affecting the screen's quality. Summary of the Invention

[0003] In view of this, the purpose of this application is to provide a bonding fixture and a bonding device to improve poor bonding and enhance the quality of the screen.

[0004] To achieve the above objectives, this application provides a fitting fixture, comprising:

[0005] The fixture body includes a support surface for supporting the part to be bonded, the support surface including a planar area and an arc-shaped area, the arc-shaped area being arranged around the planar area;

[0006] An auxiliary component is connected to the main body of the fixture, and the modulus of the auxiliary component is less than that of the main body of the fixture; the orthographic projection of the auxiliary component on the support surface is at least located in the arc corner region.

[0007] In one embodiment, the auxiliary component includes a first auxiliary component and a second auxiliary component, wherein the orthographic projection of the first auxiliary component on the support surface is at least located in the planar region, and the orthographic projection of the second auxiliary component on the support surface is at least located in the arc-angle region.

[0008] The modulus of the first auxiliary component is different from that of the second auxiliary component;

[0009] And / or, the shape of the first auxiliary component is different from the shape of the second auxiliary component;

[0010] And / or, the number of the first auxiliary component is different from the number of the second auxiliary component.

[0011] In one embodiment, the support surface includes a support plane and a support arc surface, wherein the support plane is at least partially located in the plane region and the support arc surface is located in the arc corner region;

[0012] The first auxiliary component includes a first surface near the support surface, the first surface being parallel to the support plane; the second auxiliary component includes a second surface near the support surface, at least a portion of the second surface being parallel to the tangent of the support arc surface; and / or, at least a portion of the second surface is disposed at equal intervals with the support arc surface;

[0013] Preferably, the second auxiliary component includes a first part and a second part, the second part being located on the side of the first part away from the support surface, and the cross-sectional area of ​​the first part being smaller than the cross-sectional area of ​​the second part.

[0014] In one embodiment, the first auxiliary component and the second auxiliary component are disposed inside the fixture body, and the first auxiliary component and the second auxiliary component are arranged at intervals along a first direction; the fixture body extends longitudinally along a second direction, and the first direction intersects the second direction;

[0015] Preferably, the first auxiliary component extends longitudinally along the second direction;

[0016] Preferably, multiple first auxiliary components are provided, and the multiple first auxiliary components are arranged in an array;

[0017] Preferably, the second auxiliary member extends longitudinally along the second direction;

[0018] Preferably, the first direction is perpendicular to the second direction.

[0019] In one embodiment, the fixture body includes a mating groove for receiving the auxiliary component; the size of the mating groove is larger than the size of the auxiliary component in a direction parallel to the support surface.

[0020] Preferably, the mating groove is adapted to the shape of the corresponding auxiliary component.

[0021] In one embodiment, the fixture body includes a central portion and an outer peripheral portion, the outer peripheral portion being connected to the outer periphery of the central portion, the central portion including the planar area, and the outer peripheral portion including the arc-shaped area;

[0022] The outer peripheral portion includes a first sub-portion, a second sub-portion, a third sub-portion, and a fourth sub-portion, which are sequentially connected along the circumferential direction of the central portion.

[0023] Preferably, the first sub-part and the third sub-part are arranged at intervals along a second direction, which is the longitudinal extension direction of the fixture body; the shape of the orthographic projection of the fixture body on the support surface is a rounded rectangle, and the dimensions of the first sub-part and the third sub-part in the second direction are larger than the radius of the rounded rectangle.

[0024] In one embodiment, the fitting fixture further includes a base, and the fixture body is connected to the base;

[0025] The fixture body includes a first receiving groove and a second receiving groove, the first auxiliary component is disposed in the first receiving groove, and the second auxiliary component is disposed in the second receiving groove;

[0026] The first auxiliary component includes a first support column, and the second auxiliary component includes a second support column. The axial directions of the first support column and the second support column are perpendicular to the support surface.

[0027] Preferably, in the direction parallel to the support surface, the size of the first receiving groove is larger than the size of the first auxiliary component, and the size of the second receiving groove is larger than the size of the second auxiliary component;

[0028] Preferably, the first receiving groove and the second receiving groove extend through the fixture body in a direction perpendicular to the support surface;

[0029] Preferably, multiple first and second receiving slots are provided, and multiple first and second receiving slots are arranged in an array within the fixture body.

[0030] In one embodiment, the base includes a connecting surface, and the fixture body is disposed on the connecting surface;

[0031] The distance between the surface of at least a portion of the first auxiliary component and the second auxiliary component on the side away from the base and the connecting surface is greater than the distance between the supporting surface and the connecting surface;

[0032] Preferably, the distance between the surface of at least a portion of the first auxiliary component and the second auxiliary component on the side away from the base and the connecting surface is less than the distance between the supporting surface and the connecting surface;

[0033] Preferably, the distance between the connecting surface and the supporting surface remains unchanged.

[0034] In one embodiment, the fixture body includes an auxiliary groove disposed on the support surface, the orthographic projection of the auxiliary groove on the support surface being at least located in the planar area; the auxiliary component includes an auxiliary protrusion disposed on the support surface, the orthographic projection of the auxiliary protrusion on the support surface being located in the arc corner area, and the orthographic projection of the auxiliary protrusion on the support surface not overlapping with the orthographic projection of the auxiliary groove on the support surface.

[0035] Preferably, multiple auxiliary grooves are provided, and the orthographic projections of the multiple auxiliary grooves on the support surface are located in the planar area and the arc corner area;

[0036] Preferably, the cross-sectional area of ​​the auxiliary groove near the support surface is smaller than the cross-sectional area of ​​the portion away from the support surface;

[0037] Preferably, the cross-sectional shape of the auxiliary groove includes a semi-circle or an inverted trapezoid;

[0038] Preferably, the cross-sectional shape of the auxiliary protrusion includes a semi-circle or a triangle;

[0039] Preferably, the shape of the orthographic projection of the auxiliary groove on the support surface includes at least one of a triangle, a circle, or a square;

[0040] Preferably, in the direction perpendicular to the support surface, the depth of the auxiliary groove is less than half the thickness of the fixture body;

[0041] Preferably, the depth of the auxiliary groove is less than 5 mm in the direction perpendicular to the support surface;

[0042] Preferably, the height of the auxiliary protrusion is less than 5 mm in the direction perpendicular to the support surface.

[0043] Based on the same inventive concept, this application also discloses a bonding device, which includes the bonding fixture described above.

[0044] Compared with the prior art, the bonding fixture provided in this application can adjust the elasticity of the area where the auxiliary part is located by setting an auxiliary part with a small modulus on the main body of the fixture. During the bonding process, the deformation of the area where the auxiliary part is set in the main body of the fixture will increase, which can reduce local material accumulation and make the pressure distribution of each part of the fixture body more balanced. This adjusts the bonding pressure of the fixture body on the bonding part, improves the bonding quality of the screen and the cover plate, and improves the product yield. Attached Figure Description

[0045] To more clearly illustrate the technical solutions in this application or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are only embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0046] Figure 1 This is a cross-sectional schematic diagram of a related bonding device;

[0047] Figure 2 This is a schematic diagram of the structure of a related bonding device;

[0048] Figure 3 A cross-sectional schematic diagram of a fitting fixture provided in an embodiment of this application;

[0049] Figure 4 This is a schematic diagram of the structure of the second auxiliary component of the fitting fixture provided in an embodiment of this application;

[0050] Figure 5 A top view schematic diagram of a fitting fixture provided in an embodiment of this application;

[0051] Figure 6 This is a schematic diagram of the fitting fixture provided in another embodiment of this application;

[0052] Figure 7 A cross-sectional schematic diagram of a fitting fixture provided in another embodiment of this application;

[0053] Figure 8 A partial structural schematic diagram of the fitting fixture provided in another embodiment of this application;

[0054] Figure 9 A cross-sectional schematic diagram of the main body of the fixture provided in another embodiment of this application;

[0055] Figure 10 A top view of the main body of the fixture provided in another embodiment of this application;

[0056] Figure 11 A cross-sectional schematic diagram of a fitting fixture provided in another embodiment of this application;

[0057] Figure 12 A top view of a portion of the structure of a fitting fixture provided in another embodiment of this application.

[0058] Marker explanation:

[0059] 1. Fitting fixture; 10. Supporting surface; 101. Flat area; 102. Curved corner area; 11. Fixture body; 111. Supporting plane; 112. Supporting curved surface; 113. Mating groove; 1131. First receiving groove; 1132. Second receiving groove; 12. Auxiliary component; 121. First auxiliary component; 122. Second auxiliary component; 1221. First part; 1222. Second part; 123. Auxiliary groove; 124. Auxiliary protrusion; 1010. Center part; 1020. Outer periphery part; 1021. First sub-part; 1022. Second sub-part; 1023. Third sub-part; 1024. Fourth sub-part; 13. Base; 131. Connecting surface; 2. Flexible screen body; 3. Curved cover plate. Detailed Implementation

[0060] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with specific embodiments and the accompanying drawings.

[0061] It should be noted that, unless otherwise defined, the technical or scientific terms used in the embodiments of this application should have the ordinary meaning understood by one of ordinary skill in the art to which this application pertains. The terms "first," "second," and similar terms used in the embodiments of this application do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0062] In related technologies, a flexible screen is bonded to a curved cover plate using a bonding fixture, thereby forming a curved screen. (See reference...) Figure 1 , Figure 2 As shown, the bonding device includes a bonding fixture 1 for supporting the part to be bonded. The bonding fixture 1 includes a support surface 10. The part to be bonded is a flexible screen 2. The support surface 10 includes a planar area 101 and an arc-shaped area 102, with the arc-shaped area 102 surrounding the planar area 101. The planar area 101 and the arc-shaped area 102 of the support surface 10 jointly compress the flexible screen 2, causing it to bond with the curved cover plate 3, thereby forming the planar portion and the curved portion of the curved screen.

[0063] Through long-term research, the inventors discovered that during the 3D curved surface bonding process of the screen, due to insufficient deformation of the bonding fixture 1, material accumulates locally after the bonding fixture 1 is squeezed. The overall structure of the one-piece bonding fixture 1 is indistinguishable or has only minor differences, but the pressure difference between the arc corner and the center is large, which causes gaps between the screen and the cover plate, or the cover plate and the screen cannot be tightly bonded together, affecting the quality of the screen and causing problems such as bonding bubbles.

[0064] Based on this, this application provides a bonding fixture solution that enables tighter bonding, reduces air bubbles between the screen and the cover plate, and ensures the quality of the screen.

[0065] Reference Figure 2 , Figure 3 The image shows a bonding fixture provided in one embodiment of this application, used to bond a screen body and a cover plate to form a curved screen. The bonding fixture 1 includes a fixture body 11 and an auxiliary component 12. The fixture body 11 includes a support surface 10 for supporting the component to be bonded. The support surface 10 includes a planar area 101 and an arc-shaped area 102, with the arc-shaped area 102 surrounding the planar area 101. The auxiliary component 12 is connected to the fixture body 11, and the modulus of the auxiliary component 12 is less than the modulus of the fixture body 11. The orthographic projection of the auxiliary component 12 onto the support surface 10 is at least located in the arc-shaped area 102.

[0066] Modulus is the ratio of stress to strain of a material under stress. A small modulus means that the material will produce a larger strain under the same stress. In other words, a small modulus makes a material more easily deformable.

[0067] Specifically, the orthographic projection on the support surface 10 refers to the projection onto the plane containing the planar area 101 of the support surface 10, or onto the arc surface containing the arcuate area 102. The orthographic projection of the auxiliary component 12 on the support surface 10 may be entirely located in the arcuate area 102, or the orthographic projection of the auxiliary component 12 on the support surface 10 may be distributed between the planar area 101 and the arcuate area 102. That is, the auxiliary component 12 is provided at least on the outer periphery of the fixture body 11 corresponding to the arcuate area 102, and optionally on the center portion corresponding to the planar area 101. The auxiliary component 12 may be made of silicone.

[0068] In the bonding fixture provided in this application, by setting an auxiliary component 12 with a small modulus on the fixture body 11, the elasticity of the area where the auxiliary component 12 is located can be adjusted. During the bonding process between the screen and the cover plate, the deformation of the area where the auxiliary component is set in the fixture body 11 will increase, which can reduce local material accumulation and make the pressure distribution of each part of the fixture body 11 more balanced. This adjusts the bonding pressure of the fixture body 11 on the part to be bonded, meets the bonding requirements, improves the bonding quality between the screen and the cover plate, and improves the product yield.

[0069] Reference Figure 3 As shown, in one embodiment, the auxiliary component 12 includes a first auxiliary component 121 and a second auxiliary component 122. The orthographic projection of the first auxiliary component 121 onto the plane of the supporting surface 10 is at least located in the planar region 101, and the orthographic projection of the second auxiliary component 122 onto the plane of the supporting surface 10 is at least located in the arc-shaped region 102. Specifically, the first auxiliary component 121 is mainly distributed in the planar region 101 and may also partially extend into the arc-shaped region 102, while the second auxiliary component 122 is disposed in the arc-shaped region 102. The first auxiliary component 121 and the second auxiliary component 122 may have different moduli; and / or, different shapes; and / or, different numbers of the first auxiliary component 121 and the second auxiliary component 122.

[0070] Different first auxiliary component 121 and second auxiliary component 122 are set in different bonding areas of the fixture body 11 to form a differentiated design, which can adjust the bonding pressure on the screen body and further meet the bonding pressure requirements of different areas of the screen body.

[0071] Reference Figure 3 As shown, in one embodiment, the support surface 10 includes a support plane 111 and a support arc surface 112. A portion of the support plane 111 is located in the planar region 101, and a portion is located in the arc corner region 102. The support arc surface 112 is located in the arc corner region 102. The first auxiliary member 121 includes a first surface near the support surface 10, which is parallel to the support plane 111. The second auxiliary member 122 includes a second surface near the support surface 10, wherein the second surface may include a plane and / or an arc surface. For example, the second surface is a plane and parallel to the tangent of the support arc surface 112. The tangent of the support arc surface 112 refers to the tangent of the support point on the support arc surface 112. For example, the second surface is an arc surface and is equidistant from the support arc surface 112. For example, the second surface simultaneously includes an arc surface and a plane, wherein the planar portion is parallel to the tangent of the support arc surface 112, and the arc surface portion is equidistant from the support arc surface 112. The distance between the two equally spaced curved surfaces remains constant, and the direction and degree of curvature are the same, which corresponds to contouring design.

[0072] Specifically, taking the side closest to the support surface 10 as the top side, the top surface of the first auxiliary component 121 is parallel to the support plane 111, and the top surface of the second auxiliary component 122 is parallel to the tangent of a certain support point of the support arc surface 112, so that the top of the first auxiliary component 121 and the second auxiliary component 122 are basically consistent with the force direction of the corresponding support surface 10, ensuring that the direction of the adhesion force on the screen is approximately perpendicular to the direction of the support surface 10.

[0073] Optionally, refer to Figure 4As shown, the second auxiliary component 122 includes a first part 1221 and a second part 1222. The second part 1222 is located on the side of the first part 1221 away from the support surface 10. The cross-sectional area of ​​the first part 1221 is smaller than that of the second part 1222, that is, the second auxiliary component 122 has a convex cross-section. The second auxiliary component 122 adopts a trapezoidal structure that is smaller at the top and larger at the bottom, which corresponds to the arc-shaped corner of the arc-corner area 102, ensuring that the direction of the adhesion force meets the adhesion requirements.

[0074] It should be noted that the cross section mentioned in the embodiments of this application refers to the cross section in the longitudinal extension direction perpendicular to the fixture body 11.

[0075] refer to Figure 5 As shown, in one embodiment, the first auxiliary member 121 and the second auxiliary member 122 are disposed inside the fixture body 11, and the first auxiliary member 121 and the second auxiliary member 122 are arranged at intervals along a first direction (X direction in the figure). The longitudinal extension direction of the fixture body 11 is a second direction (Y direction in the figure), and the first direction intersects with the second direction.

[0076] Optionally, the first auxiliary member 121 extends longitudinally along the second direction.

[0077] Optionally, multiple first auxiliary components 121 are provided, and the multiple first auxiliary components 121 are arranged in an array. For example, within the fixture body 11, the multiple first auxiliary components 121 can be arranged in a matrix on a plane parallel to the support plane 111, or they can form a three-dimensional spatial dot matrix arrangement. The multiple first auxiliary components 121 can be evenly distributed inside the fixture body 11, or they can be irregularly designed according to the actual fitting conditions. For example, in areas with tighter fitting, the distribution of auxiliary components is sparser, while in areas with looser fitting, the distribution of auxiliary components is denser, or other different gradient designs can be made for the distribution of auxiliary components.

[0078] Optionally, the second auxiliary member 122 extends longitudinally along the second direction.

[0079] Specifically, along the longitudinal extension direction of the fixture body 11, the second auxiliary component 122 is a single strip structure, while the first auxiliary component 121 forms a multi-segment strip structure.

[0080] Preferably, the first direction is perpendicular to the second direction.

[0081] Reference Figure 3 As shown, in one embodiment, the fixture body 11 includes a mating groove 113 for accommodating the auxiliary component 12; the size of the mating groove 113 is larger than the size of the auxiliary component 12 in a direction parallel to the support surface 10. The direction parallel to the support surface 10 includes a direction parallel to the support plane 111 or a direction parallel to the tangent of the support arc surface 112.

[0082] Optionally, the mating groove 113 is adapted to the shape of the corresponding auxiliary part 12.

[0083] Among them, the size of the mating groove 113 is larger than that of the auxiliary component 12. The mating groove 113 can accommodate the auxiliary component 12. At the same time, during the extrusion bonding process, the mating groove 113 can also provide space for material deformation, which can reduce material accumulation to a certain extent, ensure bonding area, and provide sufficient bonding pressure.

[0084] Reference Figure 6 As shown, in one embodiment, the fixture body 11 includes a central portion 1010 and an outer peripheral portion 1020. The outer peripheral portion 1020 is connected to the outer periphery of the central portion 1010. The central portion 1010 includes a planar area 101, and the outer peripheral portion 1020 includes an arc-angle area 102. The outer peripheral portion 1020 includes a first sub-part 1021, a second sub-part 1022, a third sub-part 1023, and a fourth sub-part 1024, which are sequentially connected along the circumference of the central portion 1010.

[0085] The main body 11 of the fixture adopts a split design, which allows for the replacement of some or all of the structures in the outer peripheral part 1020 without changing the central part 1010, so as to support screens with different arc corner areas. This satisfies interchangeability, facilitates design changes, and reduces cost waste.

[0086] Optionally, the first sub-part 1021 and the third sub-part 1023 are arranged at intervals along a second direction, which is the longitudinal extension direction of the fixture body 11. The shape of the orthographic projection of the fixture body 11 on the support surface 10 is a rounded rectangle. The dimensions of the first sub-part 1021 and the third sub-part 1023 in the second direction are larger than the radius of the rounded rectangle, leaving a design margin to ensure the accuracy at the arc.

[0087] Reference Figures 7 to 10 As shown, in one embodiment, the fitting fixture 1 further includes a base 13, and the fixture body 11 is connected to the base 13. The fixture body 11 includes a first receiving groove 1131 and a second receiving groove 1132. A first auxiliary member 121 is disposed in the first receiving groove 1131, and a second auxiliary member 122 is disposed in the second receiving groove 1132. The first auxiliary member 121 includes a first support column, and the second auxiliary member 122 includes a second support column. The axes of the first and second support columns are perpendicular to the support surface 10.

[0088] Specifically, the fixture body 11 is mounted on the base 13, and the first auxiliary component 121 and the second auxiliary component 122 are disposed in the receiving groove within the fixture body 11. The first auxiliary component 121 and the second auxiliary component 122 adopt a columnar structure and are designed perpendicular to the support surface 10 to ensure that the direction of the adhesion force to the screen meets the requirements.

[0089] Optionally, the first receiving groove 1131 is shaped to match the first auxiliary member 121; the second receiving groove 1132 is shaped to match the second auxiliary member 122. The first receiving groove 1131 and the first auxiliary member 121, and the second receiving groove 1132 and the second auxiliary member 122 are both "convex" structures.

[0090] Optionally, in a direction parallel to the support surface 10, the size of the first receiving groove 1131 is larger than the size of the first auxiliary member 121, and the size of the second receiving groove 1132 is larger than the size of the second auxiliary member 122. The first receiving groove 1131 and the second receiving groove 1132 can provide receiving space for the first auxiliary member 121 and the second auxiliary member 122 respectively, and can also provide additional space for material deformation of the auxiliary members.

[0091] Optionally, the first receiving groove 1131 penetrates the fixture body 11 in a direction perpendicular to the support surface 10 (e.g., the Z direction in the figure), and the second receiving groove 1132 penetrates the fixture body 11 in a direction perpendicular to the support surface 10.

[0092] Optionally, multiple first receiving slots 1131 and multiple second receiving slots 1132 are provided, and multiple first receiving slots 1131 and multiple second receiving slots 1132 are arranged in an array within the fixture body 11.

[0093] Reference Figure 7 , Figure 8 As shown, in one embodiment, the base 13 includes a connecting surface 131, and the fixture body 11 is disposed on the connecting surface 131. Specifically, the distance between the surface of at least a portion of the first auxiliary member 121 and the side of the second auxiliary member 122 away from the base 13 and the connecting surface 131 is greater than the distance between the supporting surface 10 and the connecting surface 131. That is, the height of a portion of the first auxiliary member 121 and the second auxiliary member 122 is greater than the depth of the corresponding receiving groove.

[0094] Optionally, the distance between the surface of at least a portion of the first auxiliary component 121 and the second auxiliary component 122 on the side away from the base 13 and the connecting surface 131 is less than the distance between the supporting surface 10 and the connecting surface 131. That is, the height of a portion of the first auxiliary component 121 and the second auxiliary component 122 is less than the depth of the corresponding receiving groove.

[0095] Thus, by forming a raised or recessed structure in the corresponding receiving groove through the first auxiliary component 121 and the second auxiliary component 122, different bonding forces can be provided in different bonding areas. Furthermore, the auxiliary components can be arranged and designed in a way that suits the bonding situation or the material accumulation situation.

[0096] Optionally, the distance between the connecting surface 131 and the supporting surface 10 remains unchanged, that is, the connecting surface 131 and the supporting surface 10 are set in the same shape.

[0097] Specifically, the base 13 is an elastic element, and its material can be a highly elastic material such as silicone or rubber. The fixture body 11 has a sheet-like structure, with the connecting surface 131 having the same shape as the supporting surface 10 and forming a uniform gap. The bottoms of the first auxiliary component 121 and the second auxiliary component 122 contact the connecting surface 131. The first auxiliary component 121 and the second auxiliary component 122 pass through the fixture body 11. During the bonding process, the first auxiliary component 121, the second auxiliary component 122, and the fixture body 11 together provide bonding force to the component to be bonded on the supporting surface 10.

[0098] Reference Figure 11 , Figure 12 As shown, in one embodiment, the fixture body 11 includes an auxiliary groove 123 disposed on the support surface 10, and the orthographic projection of the auxiliary groove 123 on the support surface 10 is at least located in the planar region 101. The auxiliary member 12 includes an auxiliary protrusion 124 disposed on the support surface 10, and the orthographic projection of the auxiliary protrusion 124 on the support surface 10 is located in the arc-angle region 102. The orthographic projection of the auxiliary protrusion 124 on the support surface 10 does not overlap with the orthographic projection of the auxiliary groove 123 on the support surface 10; that is, the auxiliary protrusion 124, disposed in the auxiliary groove 123, can increase the unevenness of the support surface 10.

[0099] Specifically, a groove is cut downwards or a blind hole is made on the support surface 10 to form an auxiliary groove 123, which can provide a accommodating groove for material deformation. An upwardly protruding auxiliary protrusion 124 is provided in the arc corner area 102 of the support surface 10 to prevent insufficient elastic support of the fixture body 11 after the groove is cut. At the same time, the contact force of different contact areas of the fixture body 11 can be adjusted.

[0100] Optionally, multiple auxiliary grooves 123 are provided, and the orthographic projection of the multiple auxiliary grooves 123 on the support surface 10 is located in the planar area 101 and the curved corner area 102. Among them, auxiliary grooves 123 are provided in both the planar area 101 and the curved corner area 102. The auxiliary grooves 123 can be evenly distributed in the planar area 101 and the curved corner area 102, or they can be arranged differently according to the fitting requirements of different areas of the cover plate and the screen.

[0101] Optionally, the cross-sectional area of ​​the auxiliary groove 123 near the support surface 10 is smaller than the cross-sectional area of ​​the portion away from the support surface 10. The auxiliary groove 123 adopts a blind hole structure that is smaller at the top and larger at the bottom, which can ensure a larger contact area and provide more space to accommodate the material under pressure deformation.

[0102] Optionally, the cross-sectional shape of the auxiliary groove 123 may include a semi-circle or an inverted trapezoid.

[0103] Optionally, the cross-sectional shape of the auxiliary protrusion 124 may include a semi-circle or a triangle;

[0104] Optionally, the shape of the orthographic projection of the auxiliary groove 123 onto the support surface 10 includes at least one of triangle, circle, or square.

[0105] Optionally, in the direction perpendicular to the support surface 10, the depth of the auxiliary groove 123 is less than half the thickness of the fixture body 11.

[0106] Optionally, the depth of the auxiliary groove 123 is less than 5 mm in the direction perpendicular to the support surface 10.

[0107] Optionally, the height of the auxiliary protrusion 124 is less than 5 mm in the direction perpendicular to the support surface 10.

[0108] Another embodiment of this application provides a bonding device, which includes the bonding fixture 1 in the above embodiments. This bonding device can be used to bond a flexible screen to a curved cover plate to form a curved screen.

[0109] The bonding device provided in this application has a bonding fixture 1 with an auxiliary component 12 of small modulus set on the fixture body 11. The elasticity of the area where the auxiliary component 12 is located can be adjusted. During the bonding process between the screen and the cover plate, the deformation of the area where the auxiliary component is set in the fixture body 11 will increase, which can reduce local material accumulation and make the pressure distribution of each part of the fixture body 11 more balanced. This adjusts the bonding pressure of the fixture body 11 on the part to be bonded, meets the bonding requirements, improves the bonding quality between the screen and the cover plate, and improves the product yield.

[0110] Although this application has been described in conjunction with specific embodiments thereof, many substitutions, modifications and variations of these embodiments will be apparent to those skilled in the art from the foregoing description.

[0111] It should be noted that the above description describes some embodiments of this application. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recorded in the claims can be performed in a different order than that shown in the above embodiments and still achieve the desired result. Furthermore, the processes depicted in the drawings do not necessarily require a specific or sequential order to achieve the desired result. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0112] The embodiments of this application are intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the embodiments of this application should be included within the protection scope of this application.

Claims

1. An assembly fixture, comprising: The fitting jig comprises: a jig body comprising a support surface for supporting a fitting object, the support surface comprising a planar region and an arc corner region, the arc corner region being disposed around the planar region; an auxiliary member connected to the jig body, the modulus of the auxiliary member being less than the modulus of the jig body; a normal projection of the auxiliary member on the support surface being located at least in the arc corner region; the auxiliary member comprising a first auxiliary member and a second auxiliary member, a normal projection of the first auxiliary member on the support surface being located at least in the planar region, a normal projection of the second auxiliary member on the support surface being located at least in the arc corner region; wherein the first auxiliary member and the second auxiliary member are different in at least one of modulus, shape, and number; the support surface comprising a support plane and a support arc surface, the support plane being at least partially located in the planar region, the support arc surface being located in the arc corner region; the first auxiliary member comprising a first surface close to one side of the support surface, the first surface being parallel to the support plane; the second auxiliary member comprising a second surface close to one side of the support surface, at least part of the second surface being parallel to a tangent plane of the support arc surface; and / or, at least part of the second surface being disposed equidistantly from the support arc surface; the second auxiliary member comprising a first portion and a second portion, the second portion being located on a side of the first portion away from the support surface, a cross-sectional area of the first portion being less than a cross-sectional area of the second portion; the first auxiliary member and the second auxiliary member being disposed inside the jig body, the first auxiliary member and the second auxiliary member being arranged in a first direction; the jig body being longitudinally extended in a second direction, the first direction being perpendicular to the second direction; the first auxiliary member being longitudinally extended in the second direction; the first auxiliary member being provided in a plurality, the plurality of first auxiliary members being arranged in an array; the second auxiliary member being longitudinally extended in the second direction.

2. The attaching jig according to claim 1, wherein the jig body comprising a fitting groove for accommodating the auxiliary member; in a direction parallel to the support surface, a size of the fitting groove being greater than a size of the auxiliary member.

3. The attaching jig according to claim 2, wherein the fitting groove being adapted to the shape of the corresponding auxiliary member.

4. The attaching jig according to claim 1, wherein the jig body comprising a central portion and a peripheral portion, the peripheral portion being connected to a periphery of the central portion, the central portion comprising the planar region, the peripheral portion comprising the arc corner region; the peripheral portion comprising a first sub-portion, a second sub-portion, a third sub-portion, and a fourth sub-portion, the first sub-portion, the second sub-portion, the third sub-portion, and the fourth sub-portion being connected in sequence along a circumferential direction of the central portion.

5. The attaching jig according to claim 4, wherein the first sub-portion and the third sub-portion being arranged in a second direction, the second direction being a longitudinal extension direction of the jig body; a shape of a normal projection of the jig body on the support surface being a rounded rectangle, a size of the first sub-portion and the third sub-portion in the second direction being greater than a rounded radius of the rounded rectangle.

6. The attaching jig according to claim 1, wherein the fitting jig further comprising a base, the jig body being connected to the base; The jig body comprises a first accommodating groove and a second accommodating groove, the first auxiliary member is arranged in the first accommodating groove, and the second auxiliary member is arranged in the second accommodating groove. The first auxiliary member comprises a first supporting column, and the second auxiliary member comprises a second supporting column, and the first supporting column and the second supporting column are perpendicular to the supporting surface.

7. The attaching jig according to claim 6, wherein In the direction parallel to the supporting surface, the size of the first accommodating groove is greater than the size of the first auxiliary member, and the size of the second accommodating groove is greater than the size of the second auxiliary member.

8. The attaching jig according to claim 6, wherein The first accommodating groove and the second accommodating groove penetrate the jig body in the direction perpendicular to the supporting surface.

9. The attaching jig according to claim 6, wherein A plurality of the first accommodating grooves and a plurality of the second accommodating grooves are arranged in the jig body.

10. The attaching jig according to claim 6, wherein The base comprises a connecting surface, and the jig body is arranged on the connecting surface. The distance between the surface of at least part of the first auxiliary member and the second auxiliary member away from the base and the connecting surface is greater than the distance between the supporting surface and the connecting surface.

11. The attaching jig according to claim 6, wherein The base comprises a connecting surface, and the jig body is arranged on the connecting surface. The distance between the surface of at least part of the first auxiliary member and the second auxiliary member away from the base and the connecting surface is less than the distance between the supporting surface and the connecting surface.

12. The bonding tool of claim 10, wherein The distance between the connecting surface and the supporting surface is constant.

13. The bonding tool of claim 1, wherein The jig body comprises an auxiliary groove arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the supporting surface, and the auxiliary groove is arranged on the 14. The bonding tool of claim 13, wherein, ​ 15. The bonding tool of claim 13, wherein ​ 16. The bonding tool of claim 13, wherein ​ 17. The bonding tool of claim 13, wherein ​ 18. The bonding tool of claim 13, wherein, ​ 19. The bonding tool of claim 13, wherein, ​ 20. The bonding tool of claim 13, wherein, ​ 21. The bonding tool of claim 13, wherein, ​ 22. An application device characterized by comprising: ​

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