WO2020258790A1 - 一种曲面显示面板贴合装置 - Google Patents
一种曲面显示面板贴合装置 Download PDFInfo
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- WO2020258790A1 WO2020258790A1 PCT/CN2019/128132 CN2019128132W WO2020258790A1 WO 2020258790 A1 WO2020258790 A1 WO 2020258790A1 CN 2019128132 W CN2019128132 W CN 2019128132W WO 2020258790 A1 WO2020258790 A1 WO 2020258790A1
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- roller
- bonding
- display panel
- laminating
- supporting
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- 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
- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
Definitions
- This application relates to the field of display technology, in particular to a curved display panel bonding device.
- Flexible display panel technology is now the mainstream display panel technology.
- Flexible display panels are mainly used in terminals with curved edges.
- the bonding pressure is unevenly distributed, and the display substrate and the cover are generated during the bonding process. Bubbles, so the display panel is prone to dark spots or other poor display problems.
- the embodiments of the present application provide a curved display panel bonding device, which solves the technical problem of uneven surface bonding pressure distribution, which causes dark spots on the display screen or other poor display.
- an embodiment of the present application provides a curved display panel bonding device for bonding a display substrate and a curved cover plate, including: a workbench for supporting the curved cover plate; A roller assembly, the roller assembly includes: a laminating roller for rolling the display substrate and the curved cover to be bonded to form a curved display panel; and, the laminating roller is arranged far away from the work At least one layer of support roller set on one side of the table, each layer of the support roller set includes at least one support roller.
- the roller assembly includes at least two layers of support roller sets.
- the support roller set far from the bonding roller is the first support roller set, and is close to the sticker.
- the supporting roller group of the combined roller is the second supporting roller group, and the difference between the number of supporting rollers in the first roller supporting group and the number of supporting rollers in the second roller supporting group is one.
- the circumferential cross-section of the roller assembly is a first cross-section, wherein the first cross-section includes n circles, and a line connecting the centers of the plurality of circles at the edge of the first cross-section forms a first In the first shape, the angle between the two sides starting from the center of the laminating roller is less than ninety degrees, and the n is the number of the laminating rollers and the supporting roller The sum of the numbers.
- the laminating roller when the laminating roller is rolling on the display substrate and the curved cover to be bonded, only the laminating roller in the roller assembly is in contact with the display substrate.
- the diameter of the fitting roller and the supporting roller are the same.
- the curved display panel laminating device further includes: a rotating device rotatably connected with the roller assembly to rotate the roller assembly; the rotating device includes:
- Bracket respectively provided at the end of the bonding roller and the first connecting member of the supporting roller; and, the second connecting member provided on the bracket; wherein, the first connecting member and the first The number of the two connecting members is equal, and the first connecting member and the second connecting member are connected in one-to-one correspondence, so that the fitting roller and each supporting roller rotate independently of each other.
- the curved display panel laminating device uses laminating rollers and at least one supporting roller set to roll the display substrate and the curved cover to achieve the bonding of the display substrate and the curved cover, thereby forming a curved display
- the supporting roller set and the laminating roller can bear greater laminating pressure without bending, increasing the laminating pressure during the laminating process, so even
- the smaller diameter of the bonding roller can also ensure a greater bonding pressure during the bonding process.
- the diameter of the bonding roller is smaller, the bonding is more uniform, and the larger bonding pressure is carried by the supporting roller set and the bonding roller, so the bonding roller will not bend during the bonding process.
- the curved display panel laminating device provided by the embodiments of the present application can not only ensure a large laminating pressure during the laminating process, but also ensure that the diameter of the laminating roller is small, thereby improving the pressure uniformity during the laminating process. It avoids the problem of dark spots on the display body or other poor display due to uneven fitting pressure distribution.
- Fig. 1 is a schematic structural diagram of a curved display panel bonding device provided by an embodiment of the application
- FIG. 2 is a schematic structural diagram of a roller assembly in a curved display panel laminating device provided by an embodiment of the application;
- FIG. 3 is a schematic diagram of a cross-section of the roller assembly in a curved display panel laminating device provided by an embodiment of the application in a direction perpendicular to the diameter of the laminating roller;
- FIG. 4 is a schematic diagram of a cross section of a roller assembly in a curved display panel laminating device provided by another embodiment of the application in a direction perpendicular to the diameter of the laminating roller;
- FIG. 5 is a schematic structural diagram of a curved display panel bonding device provided by another embodiment of the present invention.
- the uneven distribution of the pressure on the curved surface in the prior art leads to black spots on the display screen or other technical problems of poor display.
- the inventor found that the reason for this problem is that when the roller is used for the bonding process, due to the existence of the curved corner, the roller is pressed tightly at the curved corner and the fit is difficult to achieve, that is, if the curved corner is made to fit, it is necessary
- the diameters of the rollers that need to be used for both fitting and pressing are contradictory. Therefore, in the prior art, in the curved corner fitting process, it is impossible to satisfy both the fitting and the pressing.
- the present application provides a curved display panel laminating device, which is applied to achieve the laminating of the display substrate and the curved cover, and the display substrate and the curved cover are rolled by a laminating roller and at least one supporting roller set Realize the bonding of the display substrate and the curved cover to form a curved display panel.
- the supporting roller set and the bonding roller can bear greater bonding pressure without bending, The bonding pressure during the bonding process is increased, so even if the diameter of the bonding roller is small, the bonding pressure during the bonding process can be guaranteed to be large.
- the curved display panel laminating device provided by the present application can not only ensure a large laminating pressure during the laminating process, but also ensure that the diameter of the laminating roller is small, which improves the pressure uniformity during the laminating process and avoids The uneven distribution of the bonding pressure causes dark spots or other poor display problems on the display.
- the curved display panel laminating device includes: a workbench for supporting the cover plate; a roller assembly, the roller assembly includes: a laminating roller for the to-be-laminated The display substrate and the cover plate are rolled to form a curved display panel; and, at least one support roller set is arranged on the side of the bonding roller away from the workbench, and each support roller set includes at least one support roller.
- FIG. 1 shows a curved display panel bonding device provided by an embodiment of the application, which is used to realize bonding of a display substrate and a cover plate.
- the curved display panel bonding device includes: a workbench 1 and a roller Assembly 2.
- the workbench 1 is used to support the cover, and the shape of the workbench 1 can match the shape of the cover.
- FIG. 2 is a schematic structural diagram of the roller assembly 2 in the curved display panel laminating device provided by an embodiment of the present invention. As shown in FIG.
- the roller assembly 2 includes a laminating roller 21 and a laminating roller 21 disposed away from work At least one support roller set 22 on one side of the table 1, wherein the laminating roller 21 is used to roll the display substrate and the curved cover to be adhered to form a curved display panel; each support roller set 22 includes at least one support roller 221 .
- the roller assembly 2 is used to bond the display substrate to be bonded and the curved cover to form a curved display panel.
- the support roller set 22 and the laminating roller 21 can bear greater laminating pressure without bending, thereby increasing the laminating pressure during the laminating process, so even if the diameter of the laminating roller 21 is small, it can be guaranteed
- the bonding pressure during the bonding process is relatively high. Since the bonding roller 21 has a smaller diameter, the bonding is more uniform, and the larger bonding pressure is carried by the supporting roller set 22 and the bonding roller 21 together, and the bonding roller 21 will not bend during the bonding process.
- the curved display panel laminating device provided by the present application can not only ensure a large laminating pressure during the laminating process, but also ensure that the diameter of the laminating roller 21 is small, which improves the pressure uniformity during the laminating process and avoids This solves the problem of dark spots on the display body or other poor display due to uneven distribution of the bonding pressure.
- the laminating roller 21 rolls the display substrate and the curved cover to be bonded
- only the laminating roller 21 in the roller assembly 2 is in contact with the display substrate, which can avoid the laminating process caused by the difference of the rollers.
- the pressure is different, which makes the pressure distribution even more even.
- the number of layers of the support roller set 22 and the number of support rollers 221 included in each layer of the support roller set 22 can be selected according to actual application scenarios.
- the number of the support roller sets 22 is one layer, and each layer of the support roller set 22 includes two. Support roller 221. Therefore, as long as the supporting roller set 22 can support the laminating roller 21, the embodiment of the present application does not limit the number of layers of the supporting roller set 22 and the number of supporting rollers 221 included in each layer of the supporting roller set 22.
- the roller assembly 2 includes at least two support rollers 221, and each support roller 221 has the same diameter and the support roller 221 has the same diameter, which reduces the manufacturing process.
- the diameter of the fitting roller 21 and the diameter of the supporting roller 221 are the same.
- the roller assembly 2 includes at least two layers of support roller sets 22, wherein the support roller set 22 of any two adjacent layers of support roller sets 22 that is far from the laminating roller 21 is the first support roller set, and has two adjacent layers
- the supporting roller group 22 in the supporting roller group 22 that is close to the laminating roller 21 is the second supporting roller group.
- the number of supporting rollers 221 in the first supporting roller group and the number of supporting rollers 221 in the second supporting roller group are The difference is one.
- the difference between the number of support rollers 221 in two adjacent layers of support roller sets 22 is one, so that each of the m-1th (m is the number of support roller sets 22) layer in the support roller set 22
- the supporting rollers 221 can be arranged above the middle of the two adjacent supporting rollers 221 in the mth layer, so that the structure of the roller assembly 2 is stable, and fewer rollers are used while ensuring structural stability.
- the number of the support roller sets 22 and the number of support rollers 221 included in the support roller set 22 in the layer closest to the bonding roller 21 can be selected according to actual application scenarios.
- the number of the support roller sets 22 is four layers.
- the support roller set 22 of the nearest layer of the roller 21 includes two support rollers 221, and the number of support rollers 221 in the remaining three layers of support roller sets 22 in the direction from close to the laminating roller 21 to away from the laminating roller 21 is three in order. One, four and five, as shown in Figure 2.
- FIG. 3 is a schematic diagram of a cross section of the roller assembly 2 in a direction perpendicular to the diameter of the laminating roller in the curved display panel laminating device provided by an embodiment of the present invention.
- the roller assembly 2 is circumferentially
- the section is the first section, where the first section includes n circles (n is the sum of the number of the fitting roller 21 and the support roller 221, that is, the number of rollers in the roller assembly 2), and most of them are located at the edge of the first section.
- a line connecting the centers of the two circles forms the first shape 4, and the angle ⁇ between the two sides of the first shape 4 starting from the center of the roller 21 is less than 90°, as shown in FIG. 3.
- the angle ⁇ between the two sides starting from the center of the laminating roller 21 is less than 90°, that is, the angle of the contact portion between the roller assembly 2 and the flexible display layer during the laminating process is less than 90°,
- the minimum angle of curvature of the curved surface is also greater than 90°. Therefore, during the bonding process, the roller assembly 2 does not contact the cover plate and the flexible display layer except for the contact position, thereby ensuring the roller assembly 2 There is no interference with the flexible display layer and the cover plate, so that the bonding is uniform.
- the roller assembly 2 includes a fitting roller 21 and fourteen supporting rollers. 221.
- the fourteen support rollers 221 are divided into four layers, and the number of each layer including the support rollers 221 is two, three, four, and five.
- the embodiment of the present application does not limit how the rollers in the first shape 4 and the roller assembly 2 are arranged.
- the first shape 4 is an isosceles triangle, and when the first shape 4 is an isosceles triangle, it is easier to form the roller assembly 2 in the process.
- the first shape 4 is an equilateral triangle, so ⁇ is equal to 60°.
- the rollers in the roller assembly 2 can be arranged to make the first shape 4 an equilateral triangle, it can be as shown in Figure 3 or as In other cases, therefore, the present application does not limit how each roller in the roller assembly 2 can be arranged so that the first shape 4 is a regular triangle.
- the first shape 4 is a rhombus
- the curved display panel laminating device includes two laminating rollers 21, and the two laminating rollers 21 are arranged at both ends of the diagonal of the rhombus.
- the first shape 4 is a rhombus and two laminating rollers 21 are arranged at both ends of the diagonal of the rhombus.
- both laminating rollers 21 can be used to contact the display substrate.
- one of the lamination rollers 21 can be used for the lamination of some areas, and the other lamination roller 21 can be selected for the lamination of other areas, but there is always only one lamination roller 21 in contact with the display substrate during the lamination process.
- the other laminating roller 21 can replace the defective roller to continue laminating the cover plate and the display substrate.
- an increase in the number of supporting rollers 221 can make the roller assembly 2 stronger and able to withstand greater fitting pressure.
- the roller assembly 2 includes two fitting rollers 21 and twenty-three supporting rollers 221. From close to the laminating roller 21 to away from the laminating roller 21, the twenty-three support rollers 221 are divided into seven layers, and the number of each layer including the support rollers 221 is two, three, four, five, Four, three, and two. It can also be the same as other situations. Therefore, the present application does not limit how each roller in the roller assembly 2 can be arranged to make the first shape 4 a rhombus.
- the laminating device further includes a rotating device, wherein the rotating device is rotatably connected with the roller assembly 2 to rotate the roller assembly 2.
- the rotating device includes a bracket 3, which is respectively arranged on the laminating roller 21 and the supporting roller 221
- the pieces 31 are connected in a one-to-one corresponding rotation, so that the fitting roller 21 and each supporting roller 221 can rotate independently of each other, so that each roller can rotate independently in a relatively simple way of rotating connection.
- the first connecting member 26 is a bearing and the second connecting member 31 is a shaft sleeve, or the first connecting member 26 is a shaft sleeve and the second connecting member is a bearing 31.
- the distribution of the bearings and sleeves in the multiple first connecting pieces 26 and the multiple second connecting pieces 31 you can choose according to actual application scenarios.
- all the first connecting pieces 26 are sleeves, and all the second connecting pieces 26 are sleeves.
- the connecting pieces 31 are bearings; all the first connecting pieces 26 are bearings, and all the second connecting pieces 31 are sleeves; therefore, as long as the first connecting piece 26 and the second connecting piece 31 are connected
- the rollers in the roller assembly 2 only need to be rotated.
- the embodiment of the present application does not limit the distribution of the bearings and sleeves in the first connecting member 26 and the plurality of second connecting members 31.
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Abstract
一种曲面显示面板贴合装置，用于实现显示基板与盖板的贴合，包括：工作台（1）和滚轮总成（2），工作台（1）用于支撑盖板；滚轮总成（2）包括：贴合滚轮（21），用于对待贴合的显示基板和盖板滚压而形成曲面显示面板，以及，设置在贴合滚轮（21）远离工作台一侧的至少一层支撑滚轮组（22），每层支撑滚轮组（22）包括至少一个支撑滚轮（221），既能保证贴合过程中有较大的贴合压力，也能够保证贴合滚轮（21）的直径较小，提高了贴合过程中的压力均一性，避免了因贴合压力分布不均匀而导致的显示屏体出现黑斑或者其他显示不良的问题。
Description
本申请涉及显示技术领域，具体涉及一种曲面显示面板贴合装置。
申请背景
柔性显示面板技术是现在主流的显示面板技术，柔性显示面板的主要应用在边缘弯曲的终端中，目前的贴合方式中，贴合压力分布不均匀，贴合过程中显示基板与盖板间产生气泡，因此显示面板容易出现黑斑或者其他显示不良的问题。
申请内容
有鉴于此，本申请实施例提供了一种曲面显示面板贴合装置，解决了曲面贴合压力分布不均匀从而导致显示屏体出现黑斑或者其他显示不良的技术问题。
根据本申请的一个方面，本申请一实施例提供了一种曲面显示面板贴合装置，用于实现显示基板与曲面盖板的贴合，包括：工作台，用于支撑所述曲面盖板；滚轮总成，所述滚轮总成包括：贴合滚轮，用于对待贴合的所述显示基板和所述曲面盖板滚压而形成曲面显示面板；以及，设置在所述贴合滚轮远离工作台一侧的至少一层支撑滚轮组，每层所述支撑滚轮组包括至少一个支撑滚轮。
可选的，所述滚轮总成包括至少两层支撑滚轮组，任意相邻两层所述支撑滚轮组中，远离所述贴合滚轮的支撑滚轮组为第一支撑滚轮组，靠近所述贴合滚轮的支撑滚轮组为第二支撑滚轮组，第一滚轮支撑组中的支撑滚轮的个数与第二滚轮支撑组中的支撑滚轮的个数之差为一。
可选的，所述滚轮总成周向截面为第一截面，其中，所述第一截面包括 n个圆形，位于所述第一截面边缘的多个圆形的圆心的连线形成第一形状，所述第一形状中以所述贴合滚轮的圆心为起点的两个边之间的夹角小于九十度，所述n为所述贴合滚轮的个数与所述支撑滚轮的个数之和。
可选的，所述贴合滚轮在对待贴合的所述显示基板和所述曲面盖板滚压时，所述滚轮总成中仅有所述贴合滚轮与所述显示基板接触。
可选的，所述贴合滚轮与所述支撑滚轮的直径相同。
可选的，所述曲面显示面板贴合装置还包括：转动装置，与所述滚轮总成转动连接，以使得所述滚轮总成转动；所述转动装置包括：
支架；分别设置在所述贴合滚轮以及所述支撑滚轮的端部的第一连接件；以及，设置在所述支架上的第二连接件；其中，所述第一连接件与所述第二连接件的数量相等，所述第一连接件与所述第二连接件一一对应连接，以使得所述贴合滚轮以及每个所述支撑滚轮彼此独立转动。
本申请实施例提供的曲面显示面板贴合装置，采用贴合滚轮与至少一层支撑滚轮组对显示基板和曲面盖板进行滚压来实现显示基板与曲面盖板的贴合，从而形成曲面显示面板，当曲面盖板与显示基板进行贴合时，支撑滚轮组和贴合滚轮可以承载更大的贴合压力而不会发生弯曲，增大了贴合过程中的贴合压力，因此即使贴合滚轮的直径较小，也能够保证贴合过程中的贴合压力较大。由于贴合滚轮的直径较小时，贴合更加均匀，且较大的贴合压力是支撑滚轮组与贴合滚轮共同承载的，贴合滚轮也不会在贴合过程发生弯曲。因此本申请实施例提供的曲面显示面板贴合装置既能保证贴合过程中有较大的贴合压力，也能够保证贴合滚轮的直径较小，提高了贴合过程中的压力均一性，避免了因贴合压力分布不均匀而导致显示屏体出现黑斑或者其他显示不良的问题。
附图简要说明
图1所示为本申请一实施例提供的一种曲面显示面板贴合装置的结构 示意图；
图2所示为本申请一实施例提供的一种曲面显示面板贴合装置中滚轮总成的结构示意图；
图3所示为本申请一实施例提供的一种曲面显示面板贴合装置中滚轮总成在垂直于贴合滚轮的直径方向上的截面的示意图；
图4所示为本申请另一实施例提供的一种曲面显示面板贴合装置中滚轮总成在垂直于贴合滚轮的直径方向上的截面的示意图；
图5所示为本发明另一实施例提供的一种曲面显示面板贴合装置的结构示意图。
实施本申请的方式
正如背景技术所述，现有技术中曲面贴合压力分布不均匀从而导致显示屏体出现黑斑或者其他显示不良的技术问题。发明人研究发现，出现这种问题的原因在于当采用滚轮贴合过程中，由于曲角的存在，滚轮在曲角处的压紧且贴合不易实现，即如果使得曲角处贴合则需要滚轮的直径越小越好，但是如果使得曲角处压紧则需要滚轮施加在贴合处的压力越大越好，但是压力越大则需要滚轮的直径大，因此对于曲角处的贴合，既要贴合又要压紧，需要采用滚轮的直径是互相矛盾的，因此现有技术中在曲角贴合过程中，无法既满足贴合又满足压紧。
基于此，本申请提供了一种曲面显示面板贴合装置，应用于实现显示基板与曲面盖板的贴合，采用贴合滚轮与至少一层支撑滚轮组对显示基板和曲面盖板进行滚压实现显示基板与曲面盖板的贴合，从而形成曲面显示面板，当曲面盖板与显示基板进行贴合时，支撑滚轮组和贴合滚轮可以承载更大的贴合压力而不会发生弯曲，增大了贴合过程中的贴合压力，因此即使贴合滚轮的直径较小，也能够保证贴合过程中的贴合压力较大。由于贴合滚轮的直径较小时，贴合更加均匀，且较大的贴合压力是支撑滚轮组与贴合滚轮共同 承载的，贴合滚轮也不会在贴合过程发生弯曲。因此本申请提供的曲面显示面板贴合装置既能保证贴合过程中有较大的贴合压力，也能够保证贴合滚轮的直径较小，提高了贴合过程中的压力均一性，避免了因贴合压力分布不均匀而导致显示屏体出现黑斑或者其他显示不良的问题。
具体的，本申请提供的曲面显示面板贴合装置，包括：工作台，用于支撑所述盖板；滚轮总成，所述滚轮总成包括：贴合滚轮，用于对待贴合的所述显示基板和所述盖板滚压而形成曲面显示面板；以及，设置在所述贴合滚轮远离工作台一侧的至少一层支撑滚轮组，每层所述支撑滚轮组包括至少一个支撑滚轮。
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
图1所示为本申请一实施例提供的曲面显示面板贴合装置，用于实现显示基板与盖板的贴合，如图1所示，曲面显示面板贴合装置包括：工作台1以及滚轮总成2。其中工作台1用于支撑盖板，工作台1的形状可以与盖板的形状相吻合。图2所示为本发明实施例提供的曲面显示面板贴合装置中滚轮总成2的结构示意图，如图2所示，滚轮总成2包括贴合滚轮21以及设置在贴合滚轮21远离工作台1一侧的至少一层支撑滚轮组22，其中贴合滚轮21用于对待贴合的显示基板和曲面盖板滚压而形成曲面显示面板；每层支撑滚轮组22包括至少一个支撑滚轮221。在对显示基板与曲面盖板进行贴合时，采用滚轮总成2对待贴合的显示基板和曲面盖板进行贴合，从而形成曲面显示面板，当曲面盖板与显示基板进行贴合时，支撑滚轮组22和贴合滚轮21可以承载更大的贴合压力而不会发生弯曲，从而增大了贴合过程中的贴合压力，因此即使贴合滚轮21的直径较小，也能够保证贴合过程中的贴合压力较大。由于贴合滚轮21的直径较小时，贴合更加均匀，且较大 的贴合压力是支撑滚轮组22与贴合滚轮21共同承载的，贴合滚轮21也不会在贴合过程发生弯曲。因此本申请提供的曲面显示面板贴合装置既能保证贴合过程中有较大的贴合压力，也能够保证贴合滚轮21的直径较小，提高了贴合过程中的压力均一性，避免了因贴合压力分布不均匀而导致显示屏体出现黑斑或者其他显示不良的问题。
可选的，贴合滚轮21在对待贴合的显示基板和曲面盖板滚压时，滚轮总成2中仅有贴合滚轮21与显示基板接触，能够避免滚轮的不同而造成的贴合过程中的压力不同，从而更加使得贴合压力分布均匀。
应当理解，支撑滚轮组22的层数以及每层支撑滚轮组22包括的支撑滚轮221数量可以根据实际应用场景选择，例如支撑滚轮组22的数量为一层，每层支撑滚轮组22包括两个支撑滚轮221。因此，只要支撑滚轮组22能够支撑贴合滚轮21即可，本申请实施例对支撑滚轮组22的层数以及每层支撑滚轮组22包括的支撑滚轮221数量不作限定。
可选的，滚轮总成2包括至少两个支撑滚轮221，且每个支撑滚轮221的直径相同，支撑滚轮221的直径相同，减少了制备工艺。
可选的，贴合滚轮21的直径和支撑滚轮221的直径相同。
可选的，滚轮总成2包括至少两层支撑滚轮组22，其中，任意相邻两层支撑滚轮组22中远离贴合滚轮21的支撑滚轮组22为第一支撑滚轮组，相邻两层支撑滚轮组22中靠近贴合滚轮21的支撑滚轮组22为第二支撑滚轮组，第一支撑滚轮组中的支撑滚轮221的个数与第二支撑滚轮组中的支撑滚轮221的个数之差为一。本申请实施例中相邻两层支撑滚轮组22中支撑滚轮221的数量之差为一，从而使得支撑滚轮组22中第m-1(m为支撑滚轮组22的数量)层中的每一个支撑滚轮221都能够设置在第m层中的两个相邻的支撑滚轮221中间的上方，从而使得滚轮总成2的结构稳定，并且在保证结构稳定的同时使用的滚轮较少。
应当理解，支撑滚轮组22的数量以及离贴合滚轮21最近的一层支撑滚 轮组22包括的支撑滚轮221的数量可以根据实际应用场景选择，例如支撑滚轮组22的数量为四层，贴合滚轮21最近的一层支撑滚轮组22包括两个支撑滚轮221，从靠近贴合滚轮21至远离贴合滚轮21的方向上的其余三层支撑滚轮组22中的支撑滚轮221的数量依次为三个、四个以及五个，如图2所示。
图3所示为本发明一实施例提供的曲面显示面板贴合装置中滚轮总成2在垂直于贴合滚轮的直径方向上的截面的示意图，如图3所示，滚轮总成2周向截面为第一截面，其中第一截面包括n个圆形(n为贴合滚轮21与支撑滚轮221的个数之和，即滚轮总成2中的滚轮数量)，位于第一截面边缘的多个圆形的圆心的连线形成第一形状4，第一形状4中以贴合滚轮21的圆心为起点的两个边之间的夹角α小于90°，如图3所示。第一形状4中以贴合滚轮21的圆心为起点的两个边之间的夹角α小于90°，即贴合过程中滚轮总成2与柔性显示层的接触部位的角度小于90°，而曲面贴合的曲角最小角度也大于90°，因此，在贴合过程中，滚轮总成2与盖板以及柔性显示层除了接触部位之外没有其他位置接触，从而保证了滚轮总成2与柔性显示层以及盖板不会发生干涉，使得贴合均匀。
应当理解，第一形状4以及滚轮总成2中各个滚轮如何设置才能够使得α小于90°，可以根据实际应用场景选择，例如，滚轮总成2包括一个贴合滚轮21和十四个支撑滚轮221，在从靠近贴合滚轮21向远离贴合滚轮21的方向上，十四个支撑滚轮221分为四层，每层包括支撑滚轮221的数量依次为两个、三个、四个以及五个，如图3所示。因此，只要α小于90°，本申请实施例对第一形状4以及滚轮总成2中各个滚轮如何设置不作限定。
可选的，第一形状4为等腰三角形，第一形状4为等腰三角形时，在工艺上更容易形成滚轮总成2。
可选的，第一形状4为正三角形，因此α等于60°，至于滚轮总成2中各个滚轮如何设置才能使得第一形状4为正三角形，可以如图3所示的情 况，也可以如其他情况，因此，本申请对于滚轮总成2中各个滚轮如何设置才能使得第一形状4为正三角形不作限定。
可选的，第一形状4为菱形，曲面显示面板贴合装置包括两个贴合滚轮21，两个贴合滚轮21设置于菱形的对角线两端。如图4所示。本申请实施例中第一形状4是菱形并且两个贴合滚轮21设置于菱形的对角线两端，在贴合过程中，两个贴合滚轮21均可以用于与显示基板接触。例如可以在部分区域的贴合中采用其中一个贴合滚轮21，在其他区域的贴合时选择另一个贴合滚轮21，但是贴合过程中始终仅存在一个贴合滚轮21与显示基板接触，而且当其中一个贴合滚轮21发生故障时，另外一个贴合滚轮21可以代替故障滚轮继续对盖板与显示基板进行贴合。除此之外，支撑滚轮221的数量增多可以使得滚轮总成2的强度更高，能够承受更大的贴合压力。
至于滚轮总成2中各个滚轮如何设置才能使得第一形状4为菱形，可以如图4所示的情况，即滚轮总成2包括两个贴合滚轮21和二十三个支撑滚轮221，在从靠近贴合滚轮21向远离贴合滚轮21的方向上，二十三个支撑滚轮221分为七层，每层包括支撑滚轮221的数量依次为两个、三个、四个、五个、四个、三个以及两个。也可以如其他情况，因此，本申请对于滚轮总成2中各个滚轮如何设置才能使得第一形状4为菱形不作限定。
如图5所示，贴合装置还包括转动装置，其中转动装置与滚轮总成2转动连接，以使得滚轮总成2转动，转动装置包括支架3，分别设置在贴合滚轮21以及支撑滚轮221端部的第一连接件26，以及设置在支架3上第二连接件31，第一连接件26与第二连接件31的数量相等，且每一个第一连接件26与每一个第二连接件31一一对应转动连接，能够使得贴合滚轮21以及每个支撑滚轮221彼此独立转动，从而以相对简单的转动连接方式使得每个滚轮独立转动。
可选的，第一连接件26为轴承，第二连接件31为轴套，或者第一连接件26为轴套，第二连接件为轴承31。
至于多个第一连接件26以及多个第二连接件31中轴承和轴套的分布形式可以根据实际应用场景来选择，例如：所有的第一连接件26均为轴套，所有的第二连接件31均为轴承；还可以所有的第一连接件26均为轴承，所有的第二连接件31均为轴套；因此，只要第一连接件26与第二连接件31连接后能够使得滚轮总成2中的滚轮转动即可，本申请实施例对于第一连接件26以及多个第二连接件31中轴承和轴套的分布形式不作限定。
以上所述仅为本申请创造的较佳实施例而已，并不用以限制本申请创造，凡在本申请创造的精神和原则之内，所作的任何修改、等同替换等，均应包含在本申请创造的保护范围之内。
Claims (10)
- 一种曲面显示面板贴合装置，用于实现显示基板与盖板的贴合，包括：工作台，用于支撑所述盖板；滚轮总成，所述滚轮总成包括：贴合滚轮，用于对待贴合的所述显示基板和所述盖板滚压而形成曲面显示面板；以及，设置在所述贴合滚轮远离工作台一侧的至少一层支撑滚轮组，每层所述支撑滚轮组包括至少一个支撑滚轮。
- 根据权利要求1所述的曲面显示面板贴合装置，其中，所述滚轮总成包括至少两层支撑滚轮组，任意相邻两层所述支撑滚轮组中，远离所述贴合滚轮的支撑滚轮组为第一支撑滚轮组，靠近所述贴合滚轮的支撑滚轮组为第二支撑滚轮组，所述第一支撑滚轮组中的所述支撑滚轮的个数与所述第二支撑滚轮组中的所述支撑滚轮的个数之差为一。
- 根据权利要求1所述的曲面显示面板贴合装置，其中，所述滚轮总成周向截面为第一截面，其中，所述第一截面包括n个圆形，位于所述第一截面边缘的多个所述圆形中圆心的连线形成第一形状，所述第一形状中以所述贴合滚轮的圆心为起点的两个边之间的夹角小于九十度，所述n为所述贴合滚轮的个数与所述支撑滚轮的个数之和。
- 根据权利要求3所述的曲面显示面板贴合装置，其中，所述第一形状的形状为等腰三角形。
- 根据权利要求3所述的曲面显示面板贴合装置，其中，所述第一形状的形状为菱形。
- 根据权利要求5所述的曲面显示面板贴合装置，其中，所述曲面显示面板贴合装置包括两个贴合滚轮，所述两个贴合滚轮设置于菱形的对角线两端。
- 根据权利要求1所述的曲面显示面板贴合装置，其中，所述贴合滚轮在对待贴合的所述显示基板和所述曲面盖板滚压时，所述滚轮总成中仅有所述贴合滚轮与所述显示基板接触。
- 根据权利要求1所述的曲面显示面板贴合装置，其中，所述贴合滚轮与所述支撑滚轮的直径相同。
- 根据权利要求1所述的曲面显示面板贴合装置，其中，还包括：转动装置，与所述滚轮总成转动连接，以使得所述滚轮总成转动；所述转动装置包括：支架；分别设置在所述贴合滚轮以及所述支撑滚轮的端部的第一连接件；以及，设置在所述支架上的第二连接件；其中，所述第一连接件与所述第二连接件的数量相等，所述第一连接件与所述第二连接件一一对应连接，以使得所述贴合滚轮以及每个所述支撑滚轮彼此独立转动。
- 根据权利要求9所述的曲面显示面板贴合装置，其中，所述第一连接件为轴承，所述第二连接件为轴套；或，所述第一连接件为轴套，所述第二连接件为轴承。
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| CN109514967A (zh) * | 2018-12-17 | 2019-03-26 | 合肥研力电子科技有限公司 | 一种手机屏的滚压装置及贴合方法 |
| CN110264883A (zh) * | 2019-06-28 | 2019-09-20 | 云谷（固安）科技有限公司 | 一种曲面显示面板贴合装置 |
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