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CN-122008645-A - Mobile phone toughening film with magnifying glass function and manufacturing process thereof

CN122008645ACN 122008645 ACN122008645 ACN 122008645ACN-122008645-A

Abstract

The invention discloses a mobile phone toughened film with a magnifying glass function, which comprises a toughened glass layer serving as a surface protection layer, a micro-lens functional film, a silica gel attaching layer and a silica gel attaching layer, wherein a micro-convex lens array is formed on at least one surface of the micro-lens functional film and used for magnifying transmitted light, the silica gel attaching layer is used for attaching to the surface of a screen, and the toughened glass layer and the silica gel attaching layer are respectively attached to two sides of the micro-lens functional film through optical adhesive layers to form a three-layer composite structure. The three functions of the toughened glass layer, the micro-lens functional film and the silica gel attaching layer are integrated, the screen pixels are finely amplified through the micro-lens array, and finally, the fonts and the images of the whole screen are combined, so that the fonts and the images of the whole screen are larger, clearer and natural. The technical problem that a traditional mobile phone toughening film in the prior art is single in function and cannot assist a presbyopic user to see screen contents clearly is solved. The invention also discloses a manufacturing process for preparing the mobile phone toughening film with the magnifying glass function.

Inventors

  • HOU CHANGYAN
  • HUANG BO

Assignees

  • 金常德电子（东莞）有限公司

Dates

Publication Date
20260512
Application Date
20260319

Claims (10)

  1. 1. A cell-phone tempering membrane with magnifying glass function, characterized by comprising: A tempered glass layer (1) as a surface protection layer; A microlens functional film (2) having a microlens array (21) formed on at least one surface thereof for amplifying transmitted light; The silica gel attaching layer (4) is used for attaching to the surface of the screen; Wherein, toughened glass layer (1) and silica gel laminating layer (4) are laminated through optical glue film (3) and the both sides of microlens functional film (2) respectively, form three-layer composite structure.
  2. 2. The mobile phone toughening film with the magnifying glass function according to claim 1, wherein the micro lens functional film (2) comprises a PET base material (22) and a micro convex lens array (21) formed on one side of the PET base material (22) through ultraviolet curing embossing, and the micro convex lens array (21) is composed of a plurality of micro convex lenses arranged in an array mode.
  3. 3. The mobile phone toughening film with the magnifying glass function according to claim 2, wherein the diameter of the micro convex lens is 10-100 microns.
  4. 4. The mobile phone toughened film with the magnifying glass function as claimed in claim 1, wherein the toughened glass layer (1) has a hardness of 9H, the optical adhesive layer (3) is high-light-transmittance OCA optical adhesive, and the silica gel attaching layer (4) is a silica gel material with adsorptivity.
  5. 5. A process for preparing the mobile phone toughening film with the magnifying glass function according to any one of claims 1 to 4, which is characterized by comprising the following steps: s1, preparing a mould mother board with a micro convex lens array; S2, copying the microstructure on the die master plate onto a metal nickel plate to manufacture a nickel press roller; s3, forming a micro-convex lens array on the PET substrate by adopting an ultraviolet curing and stamping process to obtain a micro-lens functional film (2); s4, sequentially attaching the toughened glass layer (1), the micro-lens functional film (2) and the silica gel attaching layer (4) through the optical adhesive layer (3) to form a composite film material; s5, die cutting is carried out on the composite membrane material, and finished products adapting to different screen sizes are obtained.
  6. 6. The process for manufacturing a mobile phone toughened film with a magnifying glass function according to claim 5, wherein in step S1, a micro convex lens array structure with a diameter of 10-100 micrometers is engraved on a quartz master plate by adopting a laser direct writing or electron beam lithography technology.
  7. 7. The process for manufacturing a mobile phone tempered film with a magnifying glass function according to claim 5, wherein in step S2, the microstructure on the master die is precisely copied to a metal nickel plate by an electroforming process, and a nickel press roller capable of continuously embossing is manufactured.
  8. 8. The process for manufacturing a mobile phone tempered film with a magnifying glass function according to claim 5, wherein step S3 specifically comprises: s31, coating ultraviolet curing glue on the surface of the PET substrate; S32, rolling the PET substrate coated with the glue by using a nickel press roller, and simultaneously curing the glue by using ultraviolet irradiation so as to form a micro convex lens array on the PET substrate; s33, winding to obtain the micro-lens functional film (2).
  9. 9. The manufacturing process of the mobile phone toughening film with the magnifying glass function according to claim 5, wherein in the step S4, the optical adhesive layer (3) is OCA optical adhesive with high light transmittance, and each layer is accurately compounded by precise alignment during lamination.
  10. 10. The process for manufacturing a mobile phone toughening film with a magnifying glass function according to claim 5, wherein in the step S5, a laser cutting machine is adopted to precisely cut out an earphone hole, a camera hole and a finished product shape according to the specific mobile phone model.

Description

Mobile phone toughening film with magnifying glass function and manufacturing process thereof Technical Field The invention relates to the technical field of mobile phone screen protection films, in particular to a mobile phone toughening film with a magnifying glass function and a manufacturing process thereof. Background With the popularization of smart phones, the phones have become an indispensable tool in people's daily life. For presbyopic or poorly sighted user groups, when small-font characters or images on a mobile phone screen are watched at a short distance, a presbyopic lens or a handheld magnifier is often needed to be worn for assisting in watching, and the use is very inconvenient. The existing mobile phone toughening film has the main functions of protecting a screen from scratch and impact, and cannot provide an optical auxiliary function. Therefore, how to integrate the full-screen optical amplifying function while keeping the screen protecting function of the mobile phone toughening film becomes a technical problem to be solved in the field. Disclosure of Invention The invention aims to provide a mobile phone toughening film with a magnifying glass function, which solves the technical problems that the traditional mobile phone toughening film in the background technology is single in function and can not assist a presbyopic user to see the screen content clearly. The invention further aims to provide a manufacturing process capable of realizing industrial mass production, so that the mobile phone toughened film with the magnifying glass function is produced in batches with high efficiency and high yield. In order to achieve the above purpose, the invention is realized by the following technical scheme: a handset toughening membrane with magnifying glass function, comprising: A tempered glass layer as a surface protective layer; The micro lens functional film is provided with a micro convex lens array on at least one surface for amplifying the transmitted light; the silica gel attaching layer is used for attaching to the surface of the screen; Wherein, toughened glass layer and silica gel laminating layer laminate through the both sides of optics glue film and microlens functional film respectively, form three-layer composite structure. Further, the micro-lens functional film comprises a PET substrate and a micro-convex lens array formed on one side of the PET substrate through ultraviolet curing embossing, wherein the micro-convex lens array is composed of a plurality of micro-convex lenses which are arranged in an array. Further, the diameter of the micro convex lens is 10-100 micrometers. Further, the hardness of the toughened glass layer is 9H, the optical adhesive layer is high-light-transmittance OCA optical adhesive, and the silica gel attaching layer is a silica gel material with adsorptivity. A manufacturing process for preparing the mobile phone toughening film with the magnifying glass function comprises the following steps: s1, preparing a mould mother board with a micro convex lens array; S2, copying the microstructure on the die master plate onto a metal nickel plate to manufacture a nickel press roller; S3, forming a micro convex lens array on the PET substrate by adopting an ultraviolet curing and stamping process to obtain a micro lens functional film; S4, sequentially attaching the toughened glass layer, the microlens functional film and the silica gel attaching layer through the optical adhesive layer to form a composite film material; s5, die cutting is carried out on the composite membrane material, and finished products adapting to different screen sizes are obtained. In step S1, a micro-convex lens array structure with a diameter of 10-100 μm is engraved on the quartz master by using a laser direct writing or electron beam lithography technique. Further, in step S2, the microstructure on the master die is precisely copied to the metal nickel plate by the electroforming process, and a nickel press roller capable of continuously embossing is manufactured. Further, the step S3 specifically includes: s31, coating ultraviolet curing glue on the surface of the PET substrate; S32, rolling the PET substrate coated with the glue by using a nickel press roller, and simultaneously curing the glue by using ultraviolet irradiation so as to form a micro convex lens array on the PET substrate; And S33, rolling to obtain the microlens functional film. In step S4, the optical adhesive layer is an OCA optical adhesive with high transmittance, and each layer is accurately compounded by precise alignment during lamination. Further, in step S5, a laser cutting machine is used to precisely cut the earpiece hole, the camera hole and the finished product shape according to the specific mobile phone model. The beneficial effects of this patent technical scheme: The invention skillfully combines the precise optics and screen protection technology, creatively integrates the amplifying function