WO2024108898A1 - 支撑部件和贴合装置 - Google Patents
支撑部件和贴合装置 Download PDFInfo
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- WO2024108898A1 WO2024108898A1 PCT/CN2023/090843 CN2023090843W WO2024108898A1 WO 2024108898 A1 WO2024108898 A1 WO 2024108898A1 CN 2023090843 W CN2023090843 W CN 2023090843W WO 2024108898 A1 WO2024108898 A1 WO 2024108898A1
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- WIPO (PCT)
- Prior art keywords
- arc
- groove
- support
- supporting
- main body
- Prior art date
Links
- 238000003475 lamination Methods 0.000 title abstract description 3
- 238000005452 bending Methods 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 8
- 238000010030 laminating Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 25
- 238000010586 diagram Methods 0.000 description 24
- 229920001296 polysiloxane Polymers 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 101000827703 Homo sapiens Polyphosphoinositide phosphatase Proteins 0.000 description 2
- 102100023591 Polyphosphoinositide phosphatase Human genes 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 101001121408 Homo sapiens L-amino-acid oxidase Proteins 0.000 description 1
- 102100026388 L-amino-acid oxidase Human genes 0.000 description 1
- 101100012902 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIG2 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
Definitions
- the present application relates to the technical field of flexible screen bonding equipment, and in particular to a supporting component and a bonding device.
- the existing technology mainly uses the flexible characteristics of flexible screens to achieve full screens.
- the bonding method of flexible screens mainly uses silicone pads to press the flexible screen to the inner side of the glass curved cover. During the bonding process, the silicone pads are deformed due to the pressure of the upper and lower jigs, thus completing the bonding purpose of the flexible screen and the curved cover. When the silicone pad is not deformed enough, bubbles may be formed between the flexible screen and the curved cover.
- the embodiments of the present application provide a supporting component and a bonding device, which are intended to solve the problem of bubbles generated during the bonding process of a flexible screen and a curved cover plate.
- An embodiment of the first aspect of the present application provides a supporting component for bonding a curved cover plate and a flexible screen, the supporting component comprising: a base; a flexible support platform, arranged on the base and used to support the flexible screen, the flexible support platform comprising a main body and an arc-shaped portion arranged on at least one side of the main body, the arc-shaped portion having an arc-shaped supporting surface for supporting the flexible screen and an abutting surface facing the base, and the abutting surface is provided with a recessed portion.
- An embodiment of the second aspect of the present application also provides a bonding device for bonding a curved cover plate and a flexible screen.
- the bonding device includes a supporting component and a pressing table of any one of the above-mentioned embodiments of the first aspect.
- the pressing table is arranged on one side of the supporting component.
- the pressing table has a receiving groove for receiving the curved cover plate, and the opening of the receiving groove faces the supporting component.
- the supporting component is used to fit the curved cover plate and the flexible screen
- the base of the supporting component is used to provide supporting force
- the flexible support platform of the supporting component is used to support the flexible screen
- the curved cover plate and the flexible screen fit each other through the deformation of the flexible support platform.
- the flexible support platform includes a main body and an arc-shaped portion. The main body The arc portion is used to support the flexible screen to fit with the flattened portion of the curved cover plate, and the arc portion is used to support the flexible screen to fit with the shaped portion of the curved cover plate.
- the arc portion has an arc-shaped support surface for supporting the flexible screen, so that the flexible screen can better fit with the shaped portion of the curved cover plate.
- a recessed portion is provided on the abutting surface of the arc portion facing the base.
- the recessed portion can improve the deformation ability of the arc portion, so that the flexible screen arranged on the arc-shaped support surface can better fit with the curved cover plate, and effectively improve the problem of bubbles generated during the bonding process between the flexible screen and the curved cover plate; on the other hand, the recessed portion can also reduce the force applied by the arc portion to the flexible screen, reduce the force applied by the flexible screen to the shaped portion of the curved cover plate, and thus improve the problem that the shaped portion of the curved cover plate is prone to cracks due to force.
- the embodiment of the present application can effectively improve the problem of bubbles generated during the bonding process between the flexible screen and the curved cover plate by providing a recessed portion on the abutting surface of the arc portion facing the base, and can also improve the problem that the shaped portion of the curved cover plate is prone to cracks during the bonding process.
- FIG1 is a schematic diagram of the structure of a display device provided in an embodiment of the present application.
- FIG2 is a schematic structural diagram of a support component in use according to an embodiment of the first aspect of the present application
- FIG. 3 is a schematic diagram of the three-dimensional structure of a flexible support platform of a support component provided in an embodiment of the first aspect of the present application;
- FIG4 is a partial enlarged structural schematic diagram of a flexible support platform of a support component provided in an embodiment of the present application
- FIG5 is a bottom view of a flexible support platform of a support component provided in an embodiment of the present application.
- FIG6 is a schematic structural diagram of a supporting component provided by another embodiment of the present application.
- FIG7 is a schematic diagram of a three-dimensional structure of a flexible support platform of a support component provided by another embodiment of the present application.
- FIG8 is a bottom view of a flexible support platform of a support component provided by another embodiment of the present application.
- FIG9 is a bottom view of a flexible support platform of a support component provided by another embodiment of the present application.
- FIG10 is a bottom view of a flexible support platform of a support component provided by another embodiment of the present application.
- FIG11 is a bottom view of a flexible support platform of a support component provided by another embodiment of the present application.
- FIG12 is a schematic structural diagram of a flexible support platform of a support component provided in an embodiment of the present application.
- FIG13 is a schematic structural diagram of a flexible support platform of a support component provided in yet another embodiment of the present application.
- FIG14 is a schematic structural diagram of a flexible support platform of a support component provided by another embodiment of the present application.
- FIG15 is a partial enlarged structural schematic diagram of FIG14
- FIG16 is a schematic structural diagram of a base of a supporting component provided in an embodiment of the present application.
- FIG17 is a schematic structural diagram of a support component provided by another embodiment of the present application.
- FIG18 is a schematic structural diagram of a support component provided in yet another embodiment of the present application.
- FIG. 19 is a schematic structural diagram of a bonding device provided in an embodiment of the present application.
- FIG. 1 shows an exploded structural schematic diagram of a display device, wherein the display device includes a flexible screen 20 and a curved cover plate 10 that are bonded to each other.
- the curved cover plate 10 includes a flattened portion 12 and a shaped portion 11 located on at least one side of the circumference of the flattened portion 12, the shaped portion 11 being bent relative to the flattened portion 12, and the flexible screen 20 is bonded to the flattened portion 12 and the shaped portion 11, so that the shaped portion 11 can also display, thereby increasing the screen-to-body ratio of the display device.
- the flexible screen 20 is usually placed on a deformable flexible support platform, and the deformation of the flexible support platform allows the flexible screen 20 to better bond with the irregular portion 11 of the curved cover plate 10.
- the related art there is a problem of bubbles between the flexible screen 20 and the curved cover plate 10 due to insufficient deformation of the flexible support platform.
- Figure 2 is a structural schematic diagram of the use status of a support component provided in the first aspect of the present application.
- Figure 3 is a three-dimensional structural schematic diagram of a flexible support platform 200 of a support component provided in the first aspect of the present application.
- an embodiment of the first aspect of the present application provides a supporting component, which is used to bond the curved cover 10 and the flexible screen 20 shown in Figure 1.
- the supporting component includes a base 100 and a flexible support platform 200.
- the flexible support platform 200 is arranged on one side of the base 100 in the first direction Z and is used to support the flexible screen 20.
- the flexible support platform 200 includes a main body 210 and an arc-shaped portion 220 arranged on at least one side of the main body 210.
- the arc-shaped portion 220 has an arc-shaped supporting surface 221 for supporting the flexible screen 20 and an abutting surface 222 facing the base 100, and the abutting surface 222 is provided with a recessed portion 230.
- the base 100 can be made of hard materials such as metal and plastic, so that the base 100 can provide good support for the flexible support platform 200.
- the flexible support platform 200 can be made of flexible materials such as silicone, so that the flexible support platform 200 has good deformation ability.
- the flexible support platform 200 can also be made of other elastic materials with deformation ability, as long as the flexible support platform 200 has a certain flexibility so that the arc-shaped support surface 221 can be deformed.
- the shape of the surface of the main body 210 used to support the flexible screen 20 can be a plane or a special-shaped surface.
- the arc-shaped supporting surface 221 matches the shape of the special-shaped portion 11 .
- the support component is used to fit the curved cover plate 10 and the flexible screen 20
- the base 100 of the support component is used to provide supporting force
- the flexible support platform 200 of the support component is used to support the flexible screen 20.
- the curved cover plate 10 and the flexible screen 20 are fit together through the deformation of the flexible support platform 200.
- the flexible support platform 200 includes a main body 210 and an arc portion 220.
- the main body 210 is used to support the flexible screen 20 to fit with the flattened portion 12 of the curved cover plate 10, and the arc portion 220 is used to support the flexible screen 20 to fit with the special-shaped portion 11 of the curved cover plate 10.
- the arc portion 220 has an arc-shaped supporting surface 221 for supporting the flexible screen 20, so that the flexible screen 20 can better fit with the curved surface.
- the special-shaped parts 11 of the cover plate 10 fit each other.
- a recessed part 230 is provided on the abutting surface 222 of the arc-shaped part 220 facing the base 100.
- the recessed part 230 can improve the deformation ability of the arc-shaped part 220, so that the flexible screen 20 provided on the arc-shaped support surface 221 can better fit with the curved cover plate 10, effectively improving the problem of bubbles generated during the fitting process of the flexible screen 20 and the curved cover plate 10; on the other hand, the recessed part 230 can also reduce the force applied by the arc-shaped part 220 to the flexible screen 20, and reduce the force applied by the flexible screen 20 to the special-shaped part 11 of the curved cover plate 10, thereby improving the problem that the special-shaped part 11 of the curved cover plate 10 is prone to cracks when subjected to force.
- the embodiment of the present application provides a recessed portion 230 on the abutting surface 222 of the arc portion 220 facing the base 100, which can not only effectively improve the problem of bubbles generated during the bonding process of the flexible screen 20 and the curved cover plate 10, but also improve the problem of cracks that are prone to form on the special-shaped portion 11 of the curved cover plate 10 during the bonding process.
- the recessed portion 230 includes a groove and/or a step groove formed by at least a portion of the abutting surface 222 being recessed.
- the groove and the step groove can be spaced apart from or connected to the edge of the abutting surface 222 away from the main body 210.
- the recessed portion 230 includes a first step surface 231 and a second step surface 232 arranged in a direction away from the main body portion 210 and located on the side of the abutment surface 222 facing the arc-shaped support surface 221.
- the distance between the first step surface 231 and the abutment surface 222 is smaller than the distance between the second step surface 232 and the abutment surface 222.
- the recessed portion 230 includes a first step surface 231 and a second step surface 232, and the distance between the first step surface 231 and the abutting surface 222 is smaller than the distance between the second step surface 232 and the abutting surface 222, that is, the recessed portion 230 is stepped, so that the arc portion 220 has different thicknesses at different positions away from the main body portion 210, further improving the deformation ability of the arc portion 220 at different positions, and better improving the problem of bubbles easily generated between the flexible screen 20 and the curved cover plate 10.
- the recessed portion 230 further includes a first connecting surface (not shown) connecting the first step surface 231 and the second step surface 232.
- the first connecting surface is extended along the first direction Z to facilitate the preparation and molding of the recessed portion 230.
- the recessed portion 230 may further include other step surfaces, which are located on the side of the first step surface 231 away from the second step surface 232, or on the side of the second step surface 232 away from the first step surface 231.
- the other step surface is located on the side of the first step surface 231 away from the second step surface 232, and when the distance between the other step surface and the abutting surface 222 is greater than the distance between the second step surface 232 and the abutting surface 222, the other step surface is located on the side of the second step surface 232 away from the first step surface 231, so that the recessed portion 230 is stepped as a whole, and the thickness of the arc-shaped portion 220 decreases in a gradient manner.
- the first step surface 231 is located on a side of the second step surface 232 that is close to the main body 210 in a direction perpendicular to the first direction.
- the first step surface 231 is closer to the main body 210, the first step surface 231 is closer to the main body 210.
- the depth of the recessed portion 230 relative to the abutting surface 222 gradually increases, the thickness of the arc-shaped portion 220 gradually decreases, and the bending deformation ability of the arc-shaped portion 220 gradually increases.
- the flexible screen 20 and the curved cover plate 10 are gradually fitted from the middle to the sides, the flexible screen 20 can better fit with some of the special-shaped portions 11 on both sides, thereby better improving the problem of bubbles that are easily generated between the edge of the curved cover plate 10 and the flexible screen 20.
- FIG. 4 is a partial enlarged structural schematic diagram of a flexible support platform 200 of a support component provided in an embodiment of the present application.
- the first step surface 231 and the second step surface 232 are both in contact with the support seat, and along the first direction Z, the curvature of the partial arc-shaped support surface 221 overlapping with the first step surface 231 is greater than the curvature of the partial arc-shaped support surface 221 overlapping with the second step surface 232.
- the arcuate support surface 221 includes a first arcuate surface 221a and a second arcuate surface 221b, and the first arcuate surface 221a overlaps with the first step surface 231 along the first direction Z, that is, the orthographic projection of the first arcuate surface 221a in the first direction Z overlaps with the orthographic projection of the first step surface 231 along the first direction Z.
- the second arcuate surface 221b overlaps with the second step surface 232 along the first direction Z, that is, the orthographic projection of the second arcuate surface 221b in the first direction Z overlaps with the orthographic projection of the second step surface 232 along the first direction Z.
- the curvature of the first arcuate surface 221a is greater than the curvature of the second arcuate surface 221b, that is, the curvature of the first arcuate surface 221a is greater than the curvature of the second arcuate surface 221b, that is, the curvature of the first arcuate surface 221a is greater than the curvature of the second arcuate surface 221b.
- the thickness of the part of the arc-shaped portion 220 corresponding to the first step surface 231 is larger, and the thickness of the part of the arc-shaped portion 220 corresponding to the second step surface 232 is smaller, then the elastic deformation of the arc-shaped portion 220 corresponding to the first step surface 231 itself is greater than the elastic deformation of the arc-shaped portion 220 corresponding to the second step surface 232, and the first arc-shaped surface 221a corresponding to the first step surface 231 can have a larger deformation, which can better adapt to the special-shaped portion 11 with a larger curvature, and better improve the problem of easy generation of bonding bubbles between the flexible screen 20 and the special-shaped portion 11.
- the first step surface 231 or the second step surface 232 is connected to the edge of the arc-shaped support surface 221 away from the main body 210 , so as to facilitate the preparation and molding of the step-shaped recessed portion 230 .
- the second step surface 232 is connected to the edge of the arc-shaped support surface 221 away from the main body 210.
- the curvature of the special-shaped portion 11 is relatively large, and at the end of the special-shaped portion 11 away from the main body 210, the curvature of the special-shaped portion 11 is generally small.
- the second step surface 232 is connected to the edge of the arc-shaped support surface 221 away from the main body 210, so that the shape of the arc-shaped portion 220 is adapted to the shape of the special-shaped portion 11, and the problem of easy generation of fitting bubbles between the special-shaped portion 11 and the flexible screen 20 is better improved.
- the first step surface 231 may also be connected to an edge of the arc-shaped supporting surface 221 away from the main body 210 .
- the curved cover plate 10 there can be two special-shaped portions 11 disposed on both sides of the main body 210, that is, the curved cover plate 10 is a double-curved cover plate.
- the curved cover plate 10 can also be a quad-curved cover plate, with four special-shaped portions 11 disposed on On the peripheral side of the main body 210 , an arc-shaped connecting portion may be connected between two adjacent special-shaped portions 11 .
- FIG. 5 is a bottom view of a flexible support platform 200 of a support component provided in an embodiment of the present application.
- the arc portion 220 includes a first arc portion 220a located on at least one side of the main body 210 in the second direction X, a second arc portion 220b located on at least one side of the main body 210 in the third direction Y, and a bending portion 220c connecting the first arc portion 220a and the second arc portion 220b, and the first step surface 231 and the second step surface 232 are arranged on the bending portion 220c.
- the bending portion 220c has a more complex shape relative to the first arc portion 220a and the second arc portion 220b. Bubbles are more likely to be generated when the flexible screen 20 supported by the bending portion 220c is bonded to the curved cover plate 10. Setting the first step surface 231 and the second step surface 232 on the bending portion 220c can better improve the problem of bubbles that are easily generated between the flexible screen 20 and the curved cover plate 10.
- first step surface 231 and the second step surface 232 may also be disposed on the first arc-shaped portion 220 a and/or the second arc-shaped portion 220 b , as long as the first step surface 231 and the second step surface 232 are disposed on the arc-shaped portion 220 .
- Figure 6 is a structural schematic diagram of a support component provided in another embodiment of the present application
- Figure 7 is a three-dimensional structural schematic diagram of a flexible support platform 200 of a support component provided in another embodiment of the present application.
- the recessed portion 230 further includes a groove 233 whose opening is arranged at the abutting surface 222.
- the groove 233 By providing the groove 233, the thickness of the arc-shaped portion 220 at the position where the groove 233 is located can be reduced, the bending deformation ability of the arc-shaped portion 220 can be improved, and the force applied by the arc-shaped portion 220 to the flexible screen 20 during the bonding process can be reduced, thereby reducing the force applied by the flexible screen 20 to the shaped portion 11 of the curved cover plate 10, and improving the problem that the curved cover plate 10 is prone to cracks during the bonding process.
- the groove 233 and the edge of the arc-shaped portion 220 away from the main body 210 are spaced apart.
- the curvature of the shaped portion 11 is relatively large in the initial stage of bending relative to the flattened portion 12, and cracks are easily generated during the bonding process.
- the groove 233 and the edge of the arc-shaped portion 220 away from the main body 210 are spaced apart, so that the groove 233 is closer to the position where cracks are easily generated in the shaped portion 11, which better improves the problem that cracks are easily generated in the curved cover plate 10 during the bonding process.
- the depth of the groove 233 is greater than or equal to 1.5 mm, so as to improve the problem that the bending deformation force of the arc portion 220 is insufficient due to insufficient depth of the groove 233, and the arc portion 220 provides excessive force to the flexible screen 20, causing cracks in the curved cover plate 10.
- the surface of the base 100 for supporting the arc-shaped portion 220 may be planar, so that the bottom wall of the groove 233 is spaced apart from the base 100, thereby improving the bending deformation capability of the arc-shaped portion 220 at the location of the groove 233.
- the base 100 further includes a convex portion located at the groove 233, which can improve the supporting force of the base 100 and better improve the problem of laminating bubbles.
- FIG. 8 is a flexible support member provided by another embodiment of the present application.
- the arc-shaped portion 220 includes a first arc-shaped portion 220a located on at least one side of the main body 210 in the second direction X.
- the groove 233 includes a first groove 233a arranged on the first arc-shaped portion 220a.
- the first groove 233a can reduce the thickness of the first arc-shaped portion 220a at its position, improve the bending deformation ability of the first arc-shaped portion 220a, reduce the force applied by the first arc-shaped portion 220a to the flexible screen 20, and improve the problem of cracks that are prone to occur on the curved cover plate 10 during the bonding process.
- the first groove 233a extends in a strip shape along the third direction Y, so that the shape of the first groove 233a is more compatible with the shape of the first arc-shaped portion 220a, thereby better improving the problem that cracks are easily generated on the curved cover plate 10 during the bonding process.
- the extension length of the first groove 233a in the third direction Y may be less than the extension length of the first arc-shaped portion 220a in the third direction Y.
- the extension length of the first groove 233a in the third direction Y may be equal to the extension length of the first arc-shaped portion 220a in the third direction Y, that is, the first groove 233a may also be arranged to penetrate the first arc-shaped portion 220a along the third direction Y.
- the arc-shaped portion 220 is a hyperbolic arc-shaped portion, and the two first arc-shaped portions 220a are arranged on both sides of the main body 210.
- FIG. 10 is a bottom view of a flexible support platform 200 of a support component provided in another embodiment of the present application.
- the arc portion 220 further includes a second arc portion 220b
- the groove 233 further includes a second groove 233b provided at the second arc portion 220b.
- the second groove 233b extends in a strip shape along the second direction X, so that the shape of the second groove 233b is more compatible with the shape of the second arc-shaped portion 220b, thereby better improving the problem that cracks are easily generated on the curved cover plate 10 during the bonding process.
- the arc portion 220 further includes a bending portion 220c connecting the first arc portion 220a and the second arc portion 220b.
- the first groove 233a and the second groove 233b can give way to each other with the bending portion 220c, or, as shown in FIG11 , the groove further includes a third groove 233c, which is located at the bending portion 220c and connects the first groove 233a and the second groove 233b.
- FIG. 12 is a schematic structural diagram of a flexible support platform 200 of a support component provided in an embodiment of the present application.
- the arc-shaped support surface 221 includes a first support surface 221c and a second support surface 221d arranged side by side in a direction away from the main body 210, and the curvature of the first support surface 221c is The curvature of the groove 233 and the first supporting surface 221 c are at least partially overlapped along the first direction Z of the flexible supporting platform 200 .
- the curvature of the first support surface 221c is relatively large, and the bending degree of the first support surface 221c is relatively large.
- the curved cover plate 10 is more likely to generate cracks at the corresponding position of the first support surface 221c.
- the groove 233 and the first support surface 221c are at least partially overlapped along the first direction Z, so that at least part of the groove 233 can be set corresponding to the first support surface 221c, thereby improving the bending deformation ability of the arc portion 220 at the position of the first support surface 221c, and better improving the problem of the curved cover plate 10 being prone to cracks during the bonding process.
- the groove 233 and the first supporting surface 221 c at least partially overlap along the first direction Z, which means that the orthographic projection of the groove 233 along the first direction Z and the orthographic projection of the first supporting surface 221 c along the thickness square at least partially overlap.
- the projection of the first supporting surface 221c is located within the orthographic projection of the groove 233, so that the groove 233 is provided at the location of the first supporting surface 221c, thereby better improving the problem of cracks easily generated on the curved cover plate 10 during the bonding process.
- the extension width of the groove 233 is greater than the extension width of the first supporting surface 221c.
- the width of the groove 233 refers to the extension dimension of the groove 233 in the direction from the main body 210 to the arc-shaped portion 220.
- the width of the groove 233 refers to the extension dimension of the groove 233 in the second direction X.
- the width of the groove 233 refers to the extension dimension of the groove 233 in the third direction Y.
- the width of the groove 233 is relatively large, and the groove 233 can fully cover the first supporting surface 221c, which can better improve the problem that the curved cover plate 10 is prone to cracks during the bonding process.
- the recessed portion 230 may only include the first step surface 231 and the second step surface 232, and the first step surface 231 and the second step surface 232 may be located at any position of the arc portion 220.
- the curved cover plate 10 is a four-curved cover plate, and the arc portion 220 includes a bent portion 220c, optionally, the first step surface 231 and the second step surface 232 are located at the bent portion 220c of the arc portion 220, so as to better improve the problem of lamination bubbles.
- the recessed portion 230 may also include only the groove 233, and the groove 233 may be located at any position of the arc portion 220.
- the groove 233 may extend in a strip shape and match the shape of the arc portion 220.
- the recessed portion 230 may include both the first step surface 231 and the second step surface 232, and the groove 233.
- the first step surface 231, the second step surface 232 and the groove 233 may be located on the same side or on the opposite side of the main body 210.
- the groove 233 may be provided on the step surface to better adjust the deformation capability of the arc-shaped portion 220 .
- the arc portion 220 includes a first arc portion 220a, a second arc portion 220b and a bent portion 220c
- the first step surface 231 and the second step surface 232 are located on the bent portion 220c
- the groove 233 includes a first groove 233a located on the first arc portion 220a and a second groove 233a located on the second arc portion 220c.
- the second groove 233b of 220b can not only improve the problem of bubbles in the bonding, but also improve the problem of cracks that are easy to be generated during the bonding process of the curved cover plate 10.
- FIG. 15 is a partial enlarged structural schematic diagram of FIG. 14 .
- the main body 210 includes a supporting plane 211 for supporting the flexible screen 20 and a supporting back side 212 facing away from the supporting plane 211, the supporting plane 211 includes a hole area fitting portion 211a, the hole area fitting portion 211a is used to support the flexible screen 20 so that the flexible screen 20 is supported to fit with the under-screen photosensitive holes of the curved cover plate 10, and a clearance groove 213 is provided on the main body 210, the opening of the clearance groove 213 is provided on the supporting back side 212 and extends toward the supporting plane 211, and the clearance groove 213 at least partially overlaps with the hole area fitting portion 211a along the first direction Z.
- a under-screen photosensitive hole is usually provided on the curved cover plate 10 corresponding to the under-screen photosensitive element, and the under-screen photosensitive hole is usually a through hole.
- a clearance groove 213 is provided on the main body 210, and the clearance groove 213 at least partially overlaps with the hole area bonding part 211a along the first direction Z, thereby improving the bending deformation ability of the area where the hole area bonding part 211a is located, reducing the force provided by the hole area bonding part 211a to the under-screen photosensitive hole part, and thus improving the risk of film breakage in the under-screen photosensitive hole area.
- the orthographic projection of the hole region fitting portion 211a along the first direction Z is located within the orthographic projection of the clearance groove 213 along the first direction Z. This can better improve the risk of film breakage in the photosensitive hole region under the screen.
- the distance between the orthographic projection edge of the hole area fitting portion 211a along the first direction Z and the orthographic projection edge of the clearance groove 213 along the first direction Z is greater than or equal to 1 mm, thereby improving the risk of film breakage in the photosensitive hole under the screen and its surrounding area.
- the clearance groove 213 is a blind groove, which can improve the flatness of the supporting plane 211.
- the depth of the clearance groove 213 is greater than or equal to 1.5 mm, so as to improve the risk of film breakage in the photosensitive hole area caused by insufficient depth of the clearance groove 213.
- FIG. 16 is a schematic structural diagram of a base 100 of a supporting component provided in an embodiment of the present application.
- the base 100 includes a first bearing surface 110 for supporting the main body portion 210 and a second bearing surface 120 for supporting the arc portion 220, the second bearing surface 120 is step-shaped, and along the direction away from the first bearing surface 110, the distance between the second bearing surface 120 and the first bearing surface 110 along the first direction Z gradually increases.
- the second bearing surface 120 is stepped, and the second bearing surface 120 includes a plurality of stepped surfaces, and along the direction away from the first bearing surface 110, the distance between each stepped surface and the first bearing surface 110 along the first direction Z becomes larger and larger.
- the base 100 can be used to adapt to flexible support tables 200 of different sizes.
- the recessed portion 230 includes the first stepped surface 231 and the second stepped surface 232 When the shape of the first bearing surface 110 is more compatible with the shape of the recessed portion 230, better support can be provided.
- the shape of the second bearing surface 120 is adapted to the shape of the recessed portion 230 and includes a first sub-surface 121 and a second sub-surface 122, the first sub-surface 121 is used to dock with the first step surface 231, and the second sub-surface 122 is used to dock with the second step surface 232.
- the width of the second sub-surface 122 can be greater than the width of the second step surface 232, so as to facilitate the mutual alignment of the flexible support platform 200 and the base 100.
- the second bearing surface 120 may also include a third sub-surface located on the side of the second sub-surface 122 away from the first sub-surface 121, so as to adapt to the flexible support platform 200 of different sizes and specifications, and improve the adaptability of the base 100.
- the thickness of the main body 210 is greater than or equal to the thickness of the arc portion 220.
- the main body 210 is convexly arranged relative to the abutment surface 222 toward the bottom surface of the base 100, which can improve the elastic deformation ability of the main body 210.
- the first bearing surface 110 is recessed relative to the second bearing surface 120 in a direction away from the flexible support platform 200 , so that the shapes of the base 100 and the flexible support platform 200 are more compatible.
- FIG. 19 is a schematic structural diagram of a bonding device provided in an embodiment of the present application.
- the embodiment of the second aspect of the present application further provides a bonding device for bonding the curved cover plate 10 and the flexible screen 20, the bonding device comprising the support component and the pressing platform 300 provided in any of the above-mentioned embodiments of the first aspect, the pressing platform 300 being arranged on one side of the support component, the pressing platform 300 having a receiving groove 310 for receiving the curved cover plate 10, the opening of the receiving groove 310 facing the support component. Since the bonding device provided in the embodiment of the present application comprises the above-mentioned support component, the bonding device in the embodiment of the present application has the beneficial effects of the above-mentioned support component, which will not be described in detail here.
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Abstract
本申请实施例提供一种支撑部件和贴合装置，支撑部件用于贴合曲面盖板和柔性屏，支撑部件包括：底座；柔性支撑台，设置于底座并用于支撑柔性屏，柔性支撑台包括主体部和设置于主体部至少一侧的弧形部，弧形部具有用于支撑柔性屏的弧形支撑面和朝向底座的抵接面，抵接面设置有凹陷部。
Description
相关申请的交叉引用
本申请要求享有于2022年11月24日提交的名称为“支撑部件和贴合装置”的中国专利申请第202211480202.1号的优先权，该申请的全部内容通过引用并入本文中。
本申请涉及柔性屏贴合设备技术领域，尤其涉及一种支撑部件和贴合装置。
随着泛在屏时代的到来，人们对全面屏的需求也越来越强烈。为提高屏占比，双曲贴合技术及四曲贴合技术应运而生。
现有技术中主要利用柔性屏的柔性特性来实现全面屏。目前柔性屏的贴合方法主要是使用硅胶垫，将柔性屏压合到玻璃曲面盖板的内侧。在贴合过程中因上下治具加压，令硅胶垫变形而完成柔性屏和曲面盖板的贴合目的。当硅胶垫的变形不足时，有可能会导致柔性屏和曲面盖板之间存在气泡。
发明内容
本申请实施例提供一种支撑部件和贴合装置，旨在解决柔性屏和曲面盖板的贴合过程中产生气泡的问题。
本申请第一方面的实施例提供了一种支撑部件，用于贴合曲面盖板和柔性屏，支撑部件包括：底座；柔性支撑台，设置于底座并用于支撑柔性屏，柔性支撑台包括主体部和设置于主体部至少一侧的弧形部，弧形部具有用于支撑柔性屏的弧形支撑面和朝向底座的抵接面，抵接面设置有凹陷部。
本申请第二方面的实施例还提供了一种贴合装置，用于贴合曲面盖板和柔性屏，贴合装置包括上述任一第一方面实施例的支撑部件和压合台，压合台设置于支撑部件的一侧，压合台具有用于容纳曲面盖板的容纳槽，容纳槽的开口朝向支撑部件。
在本申请实施例提供的支撑部件中，支撑部件用于贴合曲面盖板和柔性屏，支撑部件的底座用于提供支撑力，支撑部件的柔性支撑台用于支撑柔性屏，通过柔性支撑台的变形使得曲面盖板和柔性屏相互贴合。柔性支撑台包括主体部和弧形部，主体部
用于支撑柔性屏与曲面盖板的展平部贴合，弧形部用于支撑柔性屏与曲面盖板的异形部相互贴合。弧形部具有用于支撑柔性屏的弧形支撑面，使得柔性屏能够更好地与曲面盖板的异形部相互贴合。在弧形部朝向底座的抵接面上设置有凹陷部，一方面凹陷部能够提高弧形部的变形能力，使得设置于弧形支撑面的柔性屏能够更好地与曲面盖板贴合，有效改善柔性屏和曲面盖板的贴合过程中会产生气泡的问题；另一方面，凹陷部还能够减小弧形部向柔性屏施加的作用力，减小柔性屏向曲面盖板的异形部施加的作用力，进而改善曲面盖板的异形部受力易出现裂纹的问题。因此，本申请实施例通过在弧形部朝向底座的抵接面上设置凹陷部，不仅能够有效改善柔性屏和曲面盖板的贴合过程中会产生气泡的问题，还能够改善曲面盖板的异形部在贴合过程中易产生裂纹的问题。
图1是本申请实施例提供的一种显示装置的结构示意图；
图2是本申请第一方面实施例提供的一种支撑部件的使用状态结构示意图；
图3是本申请第一方面实施例提供的一种支撑部件的柔性支撑台的立体结构示意图；
图4是本申请实施例提供的一种支撑部件的柔性支撑台的局部放大结构示意图；
图5是本申请实施例提供的一种支撑部件的柔性支撑台的仰视图；
图6是本申请另一实施例提供的一种支撑部件的结构示意图；
图7是本申请另一实施例提供的一种支撑部件的柔性支撑台的立体结构示意图；
图8是本申请另一实施例提供的一种支撑部件的柔性支撑台的仰视图；
图9是本申请又一实施例提供的一种支撑部件的柔性支撑台的仰视图；
图10是本申请又一实施例提供的一种支撑部件的柔性支撑台的仰视图；
图11是本申请又一实施例提供的一种支撑部件的柔性支撑台的仰视图；
图12是本申请实施例提供的一种支撑部件的柔性支撑台的结构示意图；
图13是本申请再一实施例提供的一种支撑部件的柔性支撑台的结构示意图；
图14是本申请还一实施例提供的一种支撑部件的柔性支撑台的结构示意图；
图15是图14的局部放大结构示意图；
图16是本申请实施例提供的一种支撑部件的底座的结构示意图；
图17是本申请还一实施例提供的一种支撑部件的结构示意图；
图18是本申请再一实施例提供的一种支撑部件的结构示意图；
图19是本申请实施例提供的一种贴合装置的结构示意图。
如图1所示，图1示出一种显示装置的爆炸结构示意图，显示装置包括相互贴合的柔性屏20和曲面盖板10。曲面盖板10包括展平部12和位于展平部12周向上至少一侧的异形部11，异形部11相对展平部12弯折设置，柔性屏20贴合于展平部12和异形部11，使得异形部11也能够显示，进而提高显示装置的屏占比。
在柔性屏20和曲面盖板10的贴合过程中，通常将柔性屏20设置于能够变形的柔性支撑台上，通过柔性支撑台的变形使得柔性屏20与曲面盖板10的异形部11更好地贴合。相关技术中存在柔性支撑台变形不足导致的柔性屏20和曲面盖板10之间存在气泡的问题。
为了解决上述技术问题，提出本申请。为了更好地理解本申请，下面结合图2至图19对本申请实施例的支撑部件和贴合装置进行详细描述。
请一并参阅图2和图3，图2是本申请第一方面实施例提供的一种支撑部件的使用状态结构示意图，图3是本申请第一方面实施例提供的一种支撑部件的柔性支撑台200的立体结构示意图。
如图2和图3所示，本申请第一方面的实施例提供了一种支撑部件，支撑部件用于贴合图1所示的曲面盖板10和柔性屏20，支撑部件包括底座100和柔性支撑台200，柔性支撑台200设置于底座100在第一方向Z的一侧并用于支撑柔性屏20，柔性支撑台200包括主体部210和设置于主体部210至少一侧的弧形部220，弧形部220具有用于支撑柔性屏20的弧形支撑面221和朝向底座100的抵接面222，抵接面222设置有凹陷部230。
底座100的设置方式有多种，可选的，底座100可以选用金属、塑料等硬性材料制造形成，使得底座100能够向柔性支撑台200提供良好的支撑。
柔性支撑台200的设置方式有多种，可选的，柔性支撑台200可以选用硅胶等柔性材料制备形成，使得柔性支撑台200具有良好的变形能力。柔性支撑台200还可以选用其他具有变形能力的弹性材料制备形成，只要柔性支撑台200具有一定的柔性，令弧形支撑面221能够发生变形即可。主体部210用于支撑柔性屏20的表面的形状可以为平面或异形面。
可选的，弧形支撑面221与异形部11的形状相适配。
在本申请实施例提供的支撑部件中，支撑部件用于贴合曲面盖板10和柔性屏20，支撑部件的底座100用于提供支撑力，支撑部件的柔性支撑台200用于支撑柔性屏20，通过柔性支撑台200的变形使得曲面盖板10和柔性屏20相互贴合。柔性支撑台200包括主体部210和弧形部220，主体部210用于支撑柔性屏20与曲面盖板10的展平部12贴合，弧形部220用于支撑柔性屏20与曲面盖板10的异形部11相互贴合。弧形部220具有用于支撑柔性屏20的弧形支撑面221，使得柔性屏20能够更好地与曲面
盖板10的异形部11相互贴合。在弧形部220朝向底座100的抵接面222上设置有凹陷部230，一方面凹陷部230能够提高弧形部220的变形能力，使得设置于弧形支撑面221的柔性屏20能够更好地与曲面盖板10贴合，有效改善柔性屏20和曲面盖板10的贴合过程中会产生气泡的问题；另一方面，凹陷部230还能够减小弧形部220向柔性屏20施加的作用力，减小柔性屏20向曲面盖板10的异形部11施加的作用力，进而改善曲面盖板10的异形部11受力易出现裂纹的问题。因此，本申请实施例通过在弧形部220朝向底座100的抵接面222上设置凹陷部230，不仅能够有效改善柔性屏20和曲面盖板10的贴合过程中会产生气泡的问题，还能够改善曲面盖板10的异形部11在贴合过程中易产生裂纹的问题。
凹陷部230的设置方式有多种，例如凹陷部230包括由至少部分抵接面222凹陷形成的凹槽和/或台阶槽等，凹槽和台阶槽可以与抵接面222背离主体部210的边缘相互间隔或者相互连通设置。
在一些可选的实施例中，请继续参阅图3，凹陷部230包括在远离主体部210的方向上排布并位于抵接面222朝向弧形支撑面221一侧的第一台阶面231和第二台阶面232，沿第一方向Z，第一台阶面231和抵接面222之间的距离小于第二台阶面232和抵接面222之间的距离。
在这些可选的实施例中，凹陷部230包括第一台阶面231和第二台阶面232，且第一台阶面231和抵接面222之间的距离小于第二台阶面232和抵接面222之间的距离，即凹陷部230呈台阶状，使得弧形部220在远离主体部210的不同位置上具有不同的厚度，进一步提高不同部位弧形部220的变形能力，更好地改善柔性屏20和曲面盖板10之间容易产生气泡的问题。
可选的，凹陷部230还包括连接第一台阶面231和第二台阶面232的第一连接面(图中未示出)。可选的，第一连接面沿第一方向Z延伸成型，便于凹陷部230的制备成型。
可选的，凹陷部230还可以包括其他台阶面，其他台阶面位于第一台阶面231背离第二台阶面232的一侧，或者其他台阶面位于第二台阶面232背离第一台阶面231的一侧。可选的，当其他台阶面与抵接面222之间的距离小于第一台阶面231与抵接面222之间的距离时，其他台阶面位于第一台阶面231背离第二台阶面232的一侧，当其他台阶面与抵接面222之间的距离大于第二台阶面232与抵接面222之间的距离时，其他台阶面位于第二台阶面232背离第一台阶面231的一侧，使得凹陷部230整体呈台阶状，弧形部220的厚度呈梯度减小。
在一些可选的实施例中，第一台阶面231位于第二台阶面232在垂直于第一方向上靠近主体部210的一侧。
在这些可选的实施例中，由于第一台阶面231更加靠近主体部210，所以沿主体部
210至弧形部220的方向，凹陷部230相对抵接面222的深度逐渐增大，弧形部220的厚度逐渐减小，弧形部220的弯曲变形能力逐渐提高，在柔性屏20与曲面盖板10由中间至两侧逐渐贴合时，使得柔性屏20能够更好地与两侧的部分异形部11贴合，更好地改善曲面盖板10边缘部分与柔性屏20之间容易产生气泡的问题。
请一并参阅图2至图4，图4是本申请实施例提供的一种支撑部件的柔性支撑台200的局部放大结构示意图。
在一些可选的实施例中，如图2至图4所示，第一台阶面231和第二台阶面232均与支撑座贴合，沿第一方向Z，与第一台阶面231交叠的部分弧形支撑面221的曲率大于与第二台阶面232交叠的部分弧形支撑面221的曲率。
例如，如图4所示，弧形支撑面221包括第一弧形面221a和第二弧形面221b，第一弧形面221a与第一台阶面231沿第一方向Z交叠，即第一弧形面221a在第一方向Z的正投影与第一台阶面231沿第一方向Z的正投影重叠。第二弧形面221b与第二台阶面232沿第一方向Z交叠，即第二弧形面221b在第一方向Z的正投影与第二台阶面232沿第一方向Z的正投影重叠。第一弧形面221a的曲率大于第二弧形面221b的曲率，即第一弧形面221a的弯曲程度大于第二弧形面221b的弯曲程度。
在这些可选的实施例中，由于第一台阶面231与第二台阶面232均与底座100贴合，第一台阶面231对应部分弧形部220厚度较大，第二台阶面232对应的部分弧形部220厚度较小，那么第一台阶面231所对应弧形部220自身的弹性变形量大于第二台阶面232对应弧形部220的弹性变形量，第一台阶面231所对应的第一弧形面221a可以具有更大的变形，能够更好地适配曲率较大的异形部11，更好地改善柔性屏20和异形部11之间易产生贴合气泡的问题。
在一些可选的实施例中，请继续参阅图2至图4，第一台阶面231或第二台阶面232与弧形支撑面221背离主体部210的边缘连接。便于台阶状凹陷部230的制备成型。
例如，当第一台阶面231和第二台阶面232与支撑座贴合时，第二台阶面232与弧形支撑面221背离主体部210的边缘连接。在异形部11相对主体部210弯折的初始阶段，异形部11的曲率较大，在异形部11远离主体部210的末端，异形部11的曲率通常较小。第二台阶面232与弧形支撑面221背离主体部210的边缘连接，使得弧形部220的形状与异形部11的形状相适配，更好地改善异形部11与柔性屏20之间易产生贴合气泡的问题。
在另一些实施例中，第一台阶面231还可以与弧形支撑面221背离主体部210的边缘连接。
在曲面盖板10中，异形部11可以为两个并分设于主体部210的两侧，即曲面盖板10为双曲盖板。或者，曲面盖板10还可以为四曲盖板，异形部11为四个并分设于
主体部210的周侧，相邻的两个异形部11之间还可以连接有弧形连接部。
请一并参阅图3至图5，图5是本申请实施例提供的一种支撑部件的柔性支撑台200的仰视图。
在本申请一些实施例提供的支撑部件中，如图3至图5所示，弧形部220包括位于主体部210在第二方向X至少一侧的第一弧形部220a、位于主体部210在第三方向Y至少一侧的第二弧形部220b及连接第一弧形部220a和第二弧形部220b的弯折部220c，第一台阶面231和第二台阶面232设置于弯折部220c。
在这些可选的实施例中，弯折部220c相对于第一弧形部220a和第二弧形部220b来说形状更加复杂，弯折部220c支撑的柔性屏20与曲面盖板10贴合时更易产生气泡，将第一台阶面231和第二台阶面232设置于弯折部220c能够更好地改善柔性屏20与曲面盖板10之间易产生贴合气泡的问题。
在其他实施例中，第一台阶面231和第二台阶面232还可以设置于第一弧形部220a和/或第二弧形部220b，只要第一台阶面231和第二台阶面232设置于弧形部220即可。
请一并参阅图6和图7，图6是本申请另一实施例提供的一种支撑部件的结构示意图，图7是本申请另一实施例提供的一种支撑部件的柔性支撑台200的立体结构示意图。
在一些可选的实施例中，如图6和图7所示，凹陷部230还包括开口设置于抵接面222的凹槽233。通过设置凹槽233能够减薄凹槽233所在位置的弧形部220厚度，提高弧形部220的弯曲变形能力，减小贴合过程中弧形部220向柔性屏20施加的作用力，进而减小柔性屏20向曲面盖板10异形部11施加的作用力，改善曲面盖板10在贴合过程中易产生裂纹的问题。
可选的，凹槽233和弧形部220背离主体部210的边缘间隔设置。如上所述，异形部11在相对展平部12弯折的初始阶段，曲率较大，贴合过程中易产生裂纹。凹槽233和弧形部220背离主体部210的边缘间隔设置，使得凹槽233更加靠近异形部11易出现裂纹的位置，更好地改善曲面盖板10在贴合过程中易产生裂纹的问题。
可选的，凹槽233的深度大于或等于1.5mm，改善由于凹槽233深度不足导致弧形部220弯曲变形力不足，弧形部220向柔性屏20提供的作用力过大使得曲面盖板10产生裂纹的问题。
可选的，底座100的用于支撑弧形部220的表面可以呈平面状，使得凹槽233的底壁面与底座100间隔设置，提高凹槽233所在位置弧形部220的弯曲变形能力。或者，底座100还包括位于凹槽233的凸部，能够提高底座100的支撑力，更好地改善贴合气泡的问题。
请一并参阅图5至图8，图8是本申请另一实施例提供的一种支撑部件的柔性支撑
台200的仰视图。
如图5至图8所示，弧形部220包括位于主体部210在第二方向X至少一侧的第一弧形部220a，可选的，凹槽233包括设置于第一弧形部220a的第一凹槽233a，第一凹槽233a能够减薄其所在位置第一弧形部220a的厚度，提高第一弧形部220a的弯曲变形能力，减小第一弧形部220a向柔性屏20施加的作用力，改善曲面盖板10在贴合过程中易产生裂纹的问题。
可选的，第一凹槽233a沿第三方向Y延伸呈条状，使得第一凹槽233a的形状与第一弧形部220a的形状更加适配，更好地改善曲面盖板10在贴合过程中易产生裂纹的问题。
可选的，如图8所示，第一凹槽233a在第三方向Y上的延伸长度可以小于第一弧形部220a在第三方向Y上的延伸长度。或者，如图9所示，第一凹槽233a在第三方向Y上的延伸长度可以等于第一弧形部220a在第三方向Y上的延伸长度，即第一凹槽233a还可以沿第三方向Y贯穿第一弧形部220a设置。可选的，当第一凹槽233a在第三方向Y上的延伸长度等于第一弧形部220a在第三方向Y上的延伸长度时，弧形部220为双曲面弧形部，两个第一弧形部220a分设于主体部210的两侧。
请参阅图6、图7和图10，图10是本申请又一实施例提供的一种支撑部件的柔性支撑台200的仰视图。
在一些可选的实施例中，如图6、图7和图10所示，弧形部220还包括第二弧形部220b，凹槽233还包括设置于第二弧形部220b的第二凹槽233b。通过设置第二凹槽233b能够减薄第二凹槽233b所在位置的第二弧形部220b厚度，提高第二弧形部220b的弯曲变形能力，减小贴合过程中弧形部220向柔性屏20施加的作用力，进而减小柔性屏20向曲面盖板10异形部11施加的作用力，改善曲面盖板10在贴合过程中易产生裂纹的问题。
可选的，第二凹槽233b沿第二方向X延伸呈条状，使得第二凹槽233b的形状与第二弧形部220b的形状更加适配，更好地改善曲面盖板10在贴合过程中易产生裂纹的问题。
可选的，弧形部220还包括连接第一弧形部220a和第二弧形部220b的弯折部220c。如图10所示，第一凹槽233a和第二凹槽233b可以与弯折部220c相互让位，或者，如图11所示，凹槽还包括第三凹槽233c，第三凹槽233c位于弯折部220c并连接第一凹槽233a和第二凹槽233b。
请一并参阅图6和图12，图12是本申请实施例提供的一种支撑部件的柔性支撑台200的结构示意图。
在一些可选的实施例中，如图6和图12所示，弧形支撑面221包括在远离主体部210的方向上并排设置的第一支撑面221c和第二支撑面221d，第一支撑面221c的曲率
大于第二支撑面221d的曲率，凹槽233和第一支撑面221c沿柔性支撑台200的第一方向Z至少部分交叠设置。
在这些可选的实施例中，第一支撑面221c的曲率较大，第一支撑面221c的弯折程度较大，曲面盖板10在第一支撑面221c对应位置处更易产生裂纹，凹槽233和第一支撑面221c沿第一方向Z至少部分交叠设置，使得至少部分凹槽233能够对应于第一支撑面221c设置，提高第一支撑面221c所在位置的弧形部220的弯曲变形能力，更好地改善曲面盖板10在贴合过程中易产生裂纹的问题。
凹槽233和第一支撑面221c沿第一方向Z至少部分交叠是指凹槽233沿第一方向Z的正投影与第一支撑面221c沿厚度方形的正投影至少部分重叠。
可选的，沿第一方向Z，第一支撑面221c的投影位于凹槽233的正投影之内，使得第一支撑面221c所在部位均设置有凹槽233，更好地改善曲面盖板10在贴合过程中易产生裂纹的问题。
可选的，凹槽233的延伸宽度大于第一支撑面221c的延伸宽度。凹槽233的宽度是指凹槽233在主体部210至弧形部220方向上的延伸尺寸。例如，当凹槽233为第一凹槽233a时，凹槽233的宽度是指凹槽233在第二方向X上的延伸尺寸。当凹槽233为第二凹槽233b时，凹槽233的宽度是指凹槽233在第三方向Y上的延伸尺寸。
在这些可选的实施例中，凹槽233的宽度较大，凹槽233能够全面覆盖到第一支撑面221c，能够更好地改善曲面盖板10在贴合过程中易产生裂纹的问题。
在上述任一实施例中，凹陷部230可以仅包括第一台阶面231和第二台阶面232，第一台阶面231和第二台阶面232可以位于弧形部220的任何位置。当曲面盖板10为四曲盖板，弧形部220包括弯折部220c时，可选的，第一台阶面231和第二台阶面232位于弧形部220的弯折部220c处，更好地改善贴合气泡的问题。
凹陷部230还可以仅包括凹槽233，凹槽233可以位于弧形部220的任何位置。当曲面盖板10为双曲或四曲盖板时，凹槽233可以延伸呈条状并与弧形部220的形状相适配。
在还一些实施例中，凹陷部230可以既包括第一台阶面231和第二台阶面232，也包括凹槽233，第一台阶面231、第二台阶面232与凹槽233的相对位置设置方式有多种。例如当曲面盖板10为双曲盖板，第一台阶面231、第二台阶面232可以与凹槽233位于主体部210的同侧或异侧。
可选的，如图13所示，凹槽233可以开设于台阶面，以更好地调整弧形部220的变形能力。
可选的，如图14所示，当曲面盖板10为四曲盖板，弧形部220包括第一弧形部220a、第二弧形部220b和弯折部220c时，第一台阶面231、第二台阶面232位于弯折部220c上，凹槽233包括位于第一弧形部220a的第一凹槽233a和位于第二弧形部
220b的第二凹槽233b。不仅能够改善贴合气泡的问题，而且能够改善曲面盖板10贴合过程中易产生裂纹的问题。
请一并参阅图13至图15，图15是图14的局部放大结构示意图。
在一些可选的实施例中，如图13至图15所示，主体部210包括用于支撑柔性屏20的支撑平面211和背离支撑平面211的支撑背面212，支撑平面211包括孔区贴合部211a，孔区贴合部211a用于支撑柔性屏20以使支撑柔性屏20与曲面盖板10的屏下感光孔贴合，主体部210上设置有让位槽213，让位槽213的开口设置于支撑背面212且朝向支撑平面211延伸，且让位槽213与孔区贴合部211a沿第一方向Z至少部分交叠。
在这些可选的实施例中，当显示装置包括屏下感光元件时，曲面盖板10上对应于屏下感光元件通常设置有屏下感光孔，屏下感光孔通常为通孔，在曲面盖板10和柔性屏20的贴合过程中，如果柔性支撑台200提供的作用力过大，会导致屏下感光孔区域易产生膜层断裂的风险。本申请实施例通过在主体部210上开设让位槽213，让位槽213与孔区贴合部211a沿第一方向Z至少部分交叠，提高孔区贴合部211a所在区域的弯曲变形能力，减小孔区贴合部211a向屏下感光孔部位提供的作用力，进而改善屏下感光孔区域易产生膜层断裂的风险。
可选的，孔区贴合部211a沿第一方向Z的正投影位于让位槽213沿第一方向Z的正投影之内。更好地改善屏下感光孔区域易产生膜层断裂的风险。
可选的，孔区贴合部211a沿第一方向Z的正投影边缘与让位槽213沿第一方向Z的正投影边缘之间的距离大于或等于1mm；改善屏下感光孔及其周侧区域易产生膜层断裂的风险。
可选的，让位槽213为盲槽，能够提高支撑平面211的平整性。
可选的，让位槽213的深度大于或等于1.5mm，以改善让位槽213深度不足导致的感光孔区域易产生膜层断裂的风险。
请一并参阅图1和图16，图16是本申请实施例提供的一种支撑部件的底座100的结构示意图。
在一些可选的实施例中，如图1和图16所示，底座100包括用于支撑主体部210的第一承载面110和用于支撑弧形部220的第二承载面120，第二承载面120呈台阶状，且沿远离第一承载面110的方向，第二承载面120与第一承载面110沿第一方向Z的距离逐渐增大。
在这些可选的实施例中，第二承载面120呈台阶状，第二承载面120包括多个台阶面，且沿远离第一承载面110面的方向，各台阶面与第一承载面110之间沿第一方向Z的距离越来越大，一方面如图17和图18所示，使得底座100能用于适配于不同尺寸的柔性支撑台200，另一方面当凹陷部230包括第一台阶面231和第二台阶面232
时，使得第一承载面110的形状与凹陷部230的形状更加适配，能够提供更好的支撑。
可选的，如图1和图16所示，当凹陷部230包括第一台阶面231和第二台阶面232时，第二承载面120的形状和凹陷部230的形状相适配并包括第一子面121和第二子面122，第一子面121用于与第一台阶面231对接，第二子面122用于与第二台阶面232对接。可选的，当第二台阶面232位于第一台阶面231远离主体部210的一侧，第二子面122位于第一子面121远离第一承载面110的一侧时，第二子面122的宽度可以大于第二台阶面232的宽度，以便于柔性支撑台200和底座100的相互对位。可选的，第二承载面120还可以包括位于第二子面122背离第一子面121一侧的第三子面，以适配于不同尺寸和规格的柔性支撑台200，提高底座100的适配性。
在一些可选的实施例中，主体部210的厚度大于或等于弧形部220的厚度。例如主体部210朝向底座100的底面相对抵接面222凸出设置，能够提高主体部210的弹性变形能力。
当主体部210朝向底座100的底面相对抵接面222凸出设置时，第一承载面110相对第二承载面120沿远离柔性支撑台200的方向凹陷设置，使得底座100的形状和柔性支撑台200的形状更加适配。
请参阅图19，图19是本申请实施例提供的一种贴合装置的结构示意图。
如图19所示，本申请第二方面的实施例还提供一种贴合装置，用于贴合曲面盖板10和柔性屏20，贴合装置包括上述任一第一方面实施例提供的支撑部件和压合台300，压合台300设置于支撑部件的一侧，压合台300具有用于容纳曲面盖板10的容纳槽310，容纳槽310的开口朝向支撑部件。由于本申请实施例提供的贴合装置包括上述的支撑部件，因此本申请实施例的贴合装置具有上述支撑部件所具有的有益效果，在此不再赘述。
Claims (20)
- 一种支撑部件，用于贴合曲面盖板和柔性屏，所述支撑部件包括：底座，柔性支撑台，设置于所述底座在第一方向的一侧并用于支撑所述柔性屏，所述柔性支撑台包括主体部和设置于所述主体部至少一侧的弧形部，所述弧形部具有用于支撑所述柔性屏的弧形支撑面和朝向所述底座的抵接面，所述抵接面设置有凹陷部。
- 根据权利要求1所述的支撑部件，其中，所述凹陷部包括在垂直于所述第一方向且远离所述主体部的方向上排布并位于所述抵接面朝向所述弧形支撑面一侧的第一台阶面和第二台阶面，沿所述第一方向，所述第一台阶面和所述抵接面之间的距离小于所述第二台阶面和所述抵接面之间的距离。
- 根据权利要求2所述的支撑部件，其中，所述第一台阶面位于所述第二台阶面在垂直于所述第一方向上靠近所述主体部的一侧。
- 根据权利要求3所述的支撑部件，其中，所述第一台阶面和所述第二台阶面均与所述支撑座贴合，沿所述第一方向，与所述第一台阶面交叠的至少部分所述弧形支撑面的曲率大于与所述第二台阶面交叠的部分所述弧形支撑面的曲率。
- 根据权利要求3所述的支撑部件，其中，所述第二台阶面与所述弧形支撑面背离所述主体部的边缘连接。
- 根据权利要求2所述的支撑部件，其中，所述弧形部包括位于所述主体部在第二方向至少一侧的第一弧形部、位于所述主体部在第三方向至少一侧的第二弧形部及连接所述第一弧形部和所述第二弧形部的弯折部，所述第一台阶面和所述第二台阶面设置于所述弯折部。
- 根据权利要求1所述的支撑部件，其中，所述凹陷部包括开口设置于所述抵接面的凹槽。
- 根据权利要求7所述的支撑部件，其中，所述凹槽和所述弧形部背离所述主体部的边缘间隔设置；和/或，所述凹槽的深度大于或等于1.5mm。
- 根据权利要求7所述的支撑部件，其中，所述底座还包括位于所述凹槽的凸部。
- 根据权利要求7所述的支撑部件，其中，所述弧形部包括位于所述主体部在第二方向至少一侧的第一弧形部，所述凹槽包括设置于所述第一弧形部的第一凹槽。
- 根据权利要求10所述的支撑部件，其中所述第一凹槽沿所述第三方向延伸呈条状。
- 根据权利要求7所述的支撑部件，其中，所述弧形部还包括位于所述主体部在第三方向至少一侧的第二弧形部，所述凹槽包括设置于所述第二弧形部的第二凹槽；和/或，所述第二凹槽沿所述第二方向延伸呈条状。
- 根据权利要求7所述的支撑部件，其中，所述弧形支撑面包括在远离所述主体部的方向上并排设置的第一支撑面和第二支撑面，所述第一支撑面的曲率大于所述第二支撑面的曲率，所述凹槽和所述第一支撑面沿所述第一方向至少部分交叠设置。
- 根据权利要求13所述的支撑部件，其中，沿所述第一方向，所述第一支撑面的投影位于所述凹槽的正投影之内；和/或，所述凹槽的延伸宽度大于所述第一支撑面的延伸宽度。
- 根据权利要求1所述的支撑部件，其中，所述底座包括用于支撑所述主体部的第一承载面和用于支撑所述弧形部的第二承载面，所述第二承载面呈台阶状，且沿远离所述第一承载面的方向，所述第二承载面与所述第一承载面沿所述第一方向的距离逐渐增大。
- 根据权利要求1所述的支撑部件，其中，所述主体部包括用于支撑所述柔性屏的支撑平面和背离所述支撑平面的支撑背面，所述支撑平面包括孔区贴合部，所述孔区贴合部用于支撑所述柔性屏以使所述柔性屏与所述曲面盖板的屏下感光孔贴合，所述主体部朝向所述底座的一侧设置有让位槽，所述让位槽与所述孔区贴合部沿所述第一方向的正投影至少部分交叠。
- 根据权利要求16所述的支撑部件，其中，所述孔区贴合部沿所述第一方向的正投影位于所述让位槽沿所述第一方向的正投影之内。
- 根据权利要求17所述的支撑部件，其中，所述孔区贴合部沿所述第一方向的正投影边缘与所述让位槽沿所述第一方向的正投影边缘之间的距离大于或等于1mm。
- 根据权利要求17所述的支撑部件，其中，所述让位槽为盲槽；和/或，所述让位槽的深度大于或等于1.5mm。
- 一种贴合装置，用于贴合曲面盖板和柔性屏，其中，所述贴合装置包括：权利要求1-19任一项所述的支撑部件，压合台，设置于所述支撑部件的一侧，所述压合台具有用于容纳所述曲面盖板的容纳槽，所述容纳槽的开口朝向所述支撑部件。
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| CN114822253A (zh) * | 2022-04-25 | 2022-07-29 | 维信诺科技股份有限公司 | 仿形治具及贴合装置 |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070187868A1 (en) * | 2003-07-29 | 2007-08-16 | Tsuyoshi Aruga | Pasting method and pasting apparatus |
| CN110861290A (zh) * | 2019-11-20 | 2020-03-06 | 云谷（固安）科技有限公司 | 曲面屏贴合装置 |
| CN114822253A (zh) * | 2022-04-25 | 2022-07-29 | 维信诺科技股份有限公司 | 仿形治具及贴合装置 |
| CN115891389A (zh) * | 2022-11-24 | 2023-04-04 | 云谷（固安）科技有限公司 | 支撑部件和贴合装置 |
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| CN115891389A (zh) | 2023-04-04 |
| CN115891389B (zh) | 2024-04-23 |
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