Terminal curved surface protection film and manufacturing method thereof
A production method and protective film technology, applied in chemical instruments and methods, manufacturing tools, glass pressing, etc., can solve the problems of low hardness of the protective film, easy to scratch, explosive film fragments, poor anti-fingerprint, etc., and achieve touch control Sensitive, not easy to scratch, easy to shape
Active Publication Date: 2020-07-03
SHENZHEN KANGCHENGTAI IND CO LTD
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Problems solved by technology
[0003] The purpose of the present invention is to provide a terminal curved surface protective film and its manufacturing method to solve the existing technology that the terminal curved surface protective film has low hardness, is easy to scratch and has poor anti-fingerprint, or is not easy to form, and the film is explosive and many fragments will be produced after the film bursts. question
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[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0028] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0029] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations...
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Abstract
The invention belongs to the technical field of terminal curved surface protective film production, and more specifically relates to a terminal curved surface protective film and a production method thereof. Hardening layers are arranged on both sides of the base material layer, and the base material layer and the two hardening layers form an original sheet. The original sheet is hot-pressed by hot-pressing equipment, and the upper and lower molds holding the original sheet are heated, pressurized and cooled in sequence to obtain a terminal curved surface protective film, and the outer rounded corners of the core and the inner rounded corners of the cavity are pressed together. Form the surface. The hardening layer is provided on both sides of the base material layer, so that the stresses on both sides of the base material layer can offset each other after heating, so that the protective film on the terminal curved surface is smoother. The terminal curved surface protective film is easy to form, sensitive to touch, high hardness, the outer hardness can reach up to 9H, not easy to scratch, anti-fingerprint, anti-broken edge, anti-burst, terminal curved surface protective film has a curved surface suitable for terminal curved screen Protect.
Description
technical field [0001] The invention belongs to the technical field of terminal protective film production, and more specifically relates to a terminal curved surface protective film and a production method thereof. Background technique [0002] With the advent of the 4G / 5G era, more and more mobile phones use curved glass as the screen of the mobile phone. The protective film on the screen has become an inseparable part of the current mobile phone users. At present, the terminal protective film commonly used in the market includes ordinary PET protective film, TPU flexible protective film, tempered glass film. Ordinary PET protective film has low market acceptance due to its low hardness, easy to scratch, poor anti-fingerprint, non-explosion-proof screen, and poor hand feeling. The TPU flexible protective film is easy to produce air bubbles and misalignment, which is inconvenient to use, has no hardness, and is easy to scratch the surface. Tempered glass film has the char...
Claims
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IPC IPC(8): B32B37/06B32B37/10B32B37/08B32B37/12C09J7/29H04M1/02
CPCH04M1/0202H04M1/0268C09J7/29B32B37/06B32B37/08B32B37/10B32B37/1284B32B2307/536B32B2307/584C03C2217/78C03C2218/365C03C17/00C03B11/08C03B11/122C03B11/125C03B33/091C03C17/001
Inventor 梁肇飞
Owner SHENZHEN KANGCHENGTAI IND CO LTD