Optical adhesive film
A technology of optical adhesive and adhesive film, applied in the direction of adhesive, film/sheet release liner, film/sheet without carrier, etc., can solve the problems of optical adhesive pulling glue and other problems, and achieve the effect of avoiding glue pulling
Active Publication Date: 2019-08-16
WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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- Abstract
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- Application Information
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Problems solved by technology
like figure 1 As shown, the tear film position of the protective film 201 of the traditional optical adhesive is set on a corner of the protective film. When the protective film 201 is torn off from the thinner optical adhesive 200, the protective film is easily caused There is a phenomenon of "glue pulling" at point A at the corner of the optical glue
[0004] Therefore, it is necessary to propose a technical solution to solve the problem that tearing off the protective film from one corner of the protective film when the thickness of the optical adhesive is thinner will easily cause the optical adhesive to pull glue.
Method used
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[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.
[0031] The present application provides an optical adhesive film, which includes a colloidal layer, a first protective film and a second protective film attached to opposite sides of the colloidal layer, the first protective film has a first body and a first tear-off portion , the first body has a first side, and the first tear-off portion extends from the first side.
[0032] In the present application, the first tear-off part is arranged on the first side of the first protecti...
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Abstract
The invention provides an optical adhesive film. A first tear-off part is arranged on the first side edge of a first protective film, so that when an external force is applied to the first tear-off part, the initial position of separation of an adhesive layer and the first protective film is in line contact, so that the stress on each point of the initial position of separation of the adhesive layer is small, and the phenomenon of adhesive pulling of the adhesive layer is avoided.
Description
technical field [0001] The present application relates to the technical field of adhesive materials, in particular to an optical adhesive film. Background technique [0002] With the maturity of flexible display panel technology, the mass production of flexible display panels has become possible, and the mass production of flexible display panels has laid a solid foundation for the manufacture of foldable display panels. [0003] In the module manufacturing process of the foldable display panel, optical clear adhesive (OCA) is used in the lamination process. In order to ensure the foldability of the foldable panel, the thickness of the optical adhesive is generally thin. Such as figure 1 As shown, the tear film position of the protective film 201 of the traditional optical adhesive is set on a corner of the protective film. When the protective film 201 is torn off from the thinner optical adhesive 200, the protective film is easily caused There is a phenomenon of "glue pul...
Claims
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IPC IPC(8): C09J7/40C09J7/10
CPCC09J7/403C09J7/10C09J7/40C09J2203/318C09J2301/312C09J7/30C09J2301/30C09J2301/10
Inventor 丁峰
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD