The present disclosure relates to the field of display technologies and, in particular, to a laminating apparatus for a curved screen.
With the development of display technology, users' display requirements for display screens are gradually diversified. In order to obtain a better visual experience, display screens will gradually develop towards curved surfaces. During a manufacturing process of a curved screen, a screen needs to be laminated on a cover plate. In the prior art, the screen is usually laminated on the cover plate by a laminating apparatus.
Embodiments of the present disclosure provide a laminating apparatus for a curved screen to solve a problem of a poor laminating effect between a screen and a cover plate in a curved screen.
In order to achieve the foregoing objective, embodiments of the present disclosure provide the following technical solutions.
An embodiment of the present disclosure provides a laminating apparatus for a curved screen, including: a base, having a main body and two side beams connected to two sides of the main body; a backing plate, arranged above the base; an elastic component, one end of the elastic component being connected to the backing plate; and a flexible pressing mold, covering the backing plate and having a curved surface disposed in a side away from the base and adapted to a shape of the curved screen, where the side beams are higher than the main body in a vertical direction, the side beams are provided with a plurality of grooves and a plurality of supporting parts along length directions thereof, and two sides of the flexible pressing mold extend outward to cover the supporting parts and extend into the grooves.
The laminating apparatus for the curved screen provided by the embodiments of the present disclosure has the following advantages.
In the laminating apparatus for the curved screen provided by the embodiments of the present disclosure, a top of the flexible pressing mold is arranged as a curved surface adapted to the shape of the screen, which ensures uniformity of a pressure applied by the flexible pressing mold to the screen; elastic connection between the backing plate and the base ensures that the flexible pressing mold is fully extended to increase contact area with the screen; arrangement of the plurality of grooves and the plurality of supporting parts on the side beams enables edge portions of the flexible pressing mold to extend toward the screen, which increases a pressure applied by the edge portions of the flexible pressing mold to the screen, and makes the screen gradually laminated to a cover plate in a direction from middle to peripheral edges, thereby squeezing out a gas between the screen and the cover plate, reducing a possibility of black spots and bubbles being generated in the curved screen, and solving the problem of the poor laminating effect between the screen and the cover plate.
As an improvement of the laminating apparatus for the curved screen of an embodiment of the present disclosure, a first inclined plane is provided at an edge of each of the plurality of supporting parts adjacent to the plurality of grooves and a second inclined plane is provided at an edge of each of the plurality of supporting parts adjacent to the main body.
In addition to the above-described technical problem solved by the present disclosure, technical features constituting the technical solutions, and the beneficial effects brought about by the technical features of these technical solutions, other technical problems that could be solved by the laminating apparatus for the curved screen provided by the embodiments of the present disclosure, other technical features included in the technical solutions and the beneficial effects brought about by these technical features will be further described in detail in the specific implementations.
During a manufacturing process of a curved screen, a laminating apparatus is usually used to laminate the screen on a cover plate. During the lamination, because a pressure in middle of the screen is greater than a pressure on edges of the screen when the laminating apparatus is in contact with the screen, the pressure on the edges of the screen cannot meet laminating requirements, that is, a laminating force between the screen and the cover plate of the curved screen is not uniform, which easily causes black spots, bubbles and other problems of poor lamination generated in the curved screen. Therefore, a problem of a poor laminating effect between the screen and the cover usually occurs in such a display screen.
In view of the above-mentioned drawbacks, embodiments of the present disclosure provide an improved technical solution. In this technical solution, a laminating apparatus for a curved screen includes a base, an elastic component, a backing plate, and a flexible pressing mold. A top of the flexible pressing mold is arranged as a curved surface adapted to a shape of a screen, which ensures uniformity of a pressure applied by the flexible pressing mold to the screen; elastic connection between the backing plate and the base ensures that the flexible pressing mold is fully extended to increase contact area with the screen; arrangement of the plurality of grooves and the plurality of supporting parts on side beams enables edge portions of the flexible pressing mold to extend toward the screen, which increases a pressure applied by the edge portions of the flexible pressing mold to the screen, and makes the screen gradually laminated to a cover plate in a direction from middle to peripheral edges, thereby squeezing out a gas between the screen and the cover plate, reducing a possibility of black spots and bubbles being generated in the curved screen, and solving the problem of the poor laminating effect between the screen and the cover plate.
Please referring to
The laminating apparatus for the curved screen provided in this embodiment is used for laminating the screen to a cover plate of the curved screen. Specifically, during a laminating process, the flexible pressing mold 40 of the laminating apparatus for the curved screen is in contact with the screen to drive the screen to be laminated to the cover plate. In the laminating apparatus for the curved screen provided in this embodiment, the flexible pressing mold 40 is in directly contact with the screen.
In this embodiment, the flexible pressing mold 40 has characteristics of soft, easy to deform, and easy to stretch. Specifically, a material of the flexible pressing mold 40 may be silicone, rubber, or TPE (Thermoplastic Elastomer), and may also be soft PVC (Polyvinyl chloride).
Since the screen of the curved screen has a curvature, the top of the flexible pressing mold 40 is used to fit the screen to be laminated. As shown in
As shown in
Further, the backing plate 30 and the base 10 are elastically connected by the elastic component, and the elastic component may be specifically arranged as a plurality of springs, or may be arranged as an elastic rubber. The elastic component provides an elastic force for the backing plate 30 and the flexible pressing mold 40 covering the backing plate 30 during the laminating process of the curved screen, which ensures that the flexible pressing mold 40 can be fully stretched to increase the contact area with the screen, thereby making the laminating force between the screen and the cover plate uniform; and at the same time, the elastic component provides a cushion for the lamination, reducing the possibility of the screen being broken.
In addition, the laminating apparatus for the curved screen provided in this embodiment can further include a supporting platform 70 located below the base 10. It should be noted that being located below the base 10 in this embodiment refers to being located at a side of the base 10 away from the backing plate 30. The supporting platform 70 is used to place other components required for the laminating process, such as a light source. The above-mentioned elastic component can also be arranged on the supporting platform 70. Specifically, in this embodiment, the main body 11 of the base 10 has an opening disposed in the middle thereof, and one end of the elastic component is connected to the supporting platform 70 and the other end is connected to the backing plate 30 through the opening of the base 10.
In this embodiment, the base 10 may be made of acrylic. As shown in
On the basis of the above implementations, the grooves 13 on the side beams 12 are arranged in a variety of ways. For example, the grooves 13 may be arranged on the side beams 12 from top surfaces of the side beams 12. As another example, as shown in
The supporting parts 14 are located on the side beams 12. As shown in
Taking the orientation shown in
In summary, in the laminating apparatus for the curved screen provided by the embodiments of the present disclosure, the top of the flexible pressing mold 40 is adapted to the screen, and the flexible pressing mold 40 covers the backing plate 30 and a part of the side beams 12 of the base 10, the elastic component is arranged between the backing plate 30 and the base 10, and the base 10 is provided with the grooves 13 receiving two sides of the flexible pressing mold 40, so that the flexible pressing mold 40 can fully contact the screen during the laminating process and the screen is gradually laminated to the cover plate in the direction from the middle to the peripheral edges, thereby squeezing out the gas between the screen and the cover plate, reducing the possibility of black spots and bubbles being generated in the curved screen; and solving the problem of the poor laminating effect between the screen and the cover plate.
On the basis of the foregoing implementations, further, a first inclined plane 15 is provided at an edge of each of the plurality of supporting parts adjacent to the plurality of groove 13 and a second inclined plane 16 is provided at an edge of each of the plurality of supporting parts adjacent to the main body 11. As shown in
Correspondingly, as shown in
On the basis of the above-mentioned implementations, in an implementation, each of the first inclined planes 15 is arranged as a circular arc surface. As shown in
In a possible implementation, a slant angle of each of the second inclined planes 16 is arranged to be 30° or 45° or 60°. In an implementation, it is easy to manufacture an inclined plane of 45°, which specifically may be an inclined plane of 1 mm.
In a possible implementation, two sides of the flexible pressing mold 40 are arranged as a pair of arc-shaped sides 43 above the plurality of grooves 13. As shown in
In a possible implementation, the flexible pressing mold 40 is provided with a pair of extension parts 41 for covering two sides of the backing plate 30, and a bottom end of each of the extension parts 41 extend inward in a horizontal direction to contacts a bottom of the backing plate 30. As shown in
In a possible implementation, the laminating apparatus for the curved screen provided in this embodiment further includes two blocks 50. The two blocks 50 are arranged between the two side beams 12 and respectively abut against two sides of the flexible pressing mold 40. As shown in
In a possible implementation, the base 10 is provided with a plurality of clamping slots 17 mating with the blocks 50. In this embodiment, the two blocks 50 resist against two sides of the flexible pressing mold 40 to prevent the flexible pressing mold 40 from stretching in the horizontal direction. The base 10 is provided with the clamping slots 17 receiving the blocks 50. Specifically, the blocks 50 can be connected with the clamping slots 17 via a plurality of bolts 60.
As shown in
As shown in
The elastic component consists of a plurality of springs 20. Specifically, an amount of the springs 20 may be eight. As shown in
The flexible pressing mold 40 is arranged as a silicone pressing mold. In this embodiment, a friction coefficient of the flexible pressing mold 40 may be arranged to be 0.2 to 0.4. Specifically, the flexible pressing mold 40 is made of silica gel, and is coated with a PU (polyurethane) coating on its surface. The silicone material is soft and easy to deform, which is beneficial for the flexible pressing mold 40 to fully contact the screen without damaging the screen. The arrangement of the PU coating is beneficial to increasing a friction, improving the stability of the laminating apparatus for the curved screen during the laminating process, and preventing the non-uniform laminating force caused by slippage.
The embodiments or implementations in this specification are described in a progressive manner, each embodiment focuses on the differences from other embodiments, and the same or similar portions between the various embodiments can be referred to each other.
Finally, it should be noted that the above embodiments are only used to illustrate but not to limit the technical solutions of the present disclosure; although the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that the technical solutions recorded in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present disclosure.
Number | Date | Country | Kind |
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201911142222.6 | Nov 2019 | CN | national |
This application is a continuation of International Application No. PCT/CN2020/111807, filed on Aug. 27, 2020, which claims priority to Chinese Patent Application No. 201911142222.6, filed on Nov. 20, 2019, and both of the aforementioned applications are hereby incorporated by reference in their entireties.
Number | Name | Date | Kind |
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20170129165 | Lee et al. | May 2017 | A1 |
Number | Date | Country |
---|---|---|
106466955 | Mar 2017 | CN |
106564268 | Apr 2017 | CN |
106585045 | Apr 2017 | CN |
206345061 | Jul 2017 | CN |
107379567 | Nov 2017 | CN |
108016655 | May 2018 | CN |
207466065 | Jun 2018 | CN |
207954939 | Oct 2018 | CN |
208881171 | May 2019 | CN |
209216462 | Aug 2019 | CN |
110861290 | Mar 2020 | CN |
2016194670 | Nov 2016 | JP |
2017025237 | Feb 2017 | JP |
2019188629 | Oct 2019 | JP |
2021508617 | Mar 2021 | JP |
102035243 | Oct 2019 | KR |
201302439 | Jan 2013 | TW |
Entry |
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Machine translation of CN 207954939 date unknown. |
Machine translation of CN 106585045 date unknown. |
Machine translation of CN 209216462 date unknown. |
Machine translation of CN 206345061 date unknown. |
International Search Report dated Nov. 25, 2020 in corresponding International Application No. PCT/CN2020/111807; 3 pages. |
Chinese Office Action dated Dec. 29, 2020 in corresponding Chinese Application No. 201911142222.6, 18 pages. |
Chinese Office Action dated Mar. 9, 2021 in corresponding Chinese Application No. 201911142222.6, 14 pages. |
Notice of Allowance dated Jan. 17, 2023, in corresponding Japanese Application No. 2022-504263, 5 pages. |
Number | Date | Country | |
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20220063179 A1 | Mar 2022 | US |
Number | Date | Country | |
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Parent | PCT/CN2020/111807 | Aug 2020 | US |
Child | 17521657 | US |