Optical thin film and preparation method thereof

A technology of optical film and light, which is applied in optics, optical components, nonlinear optics, etc., can solve the problem of low luminance of anti-peeping film, and achieve high luminance, good anti-peeping angle, and light and thin structure design

Pending Publication Date: 2018-11-27
NINGBO EXCITON TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In order to solve the problem that the brightness of the existing anti-peeping fil

Method used

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  • Optical thin film and preparation method thereof
  • Optical thin film and preparation method thereof
  • Optical thin film and preparation method thereof

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Embodiment 1

[0110] The optical film provided by the present invention comprises, from bottom to top, an optical path collimation structure layer, a base film layer, a uniform light diffusion layer, a light screening structure layer, and a surface protection layer.

[0111] The optical path collimation structure layer is composed of horizontally arranged prism strips; the cross section of the prism strips is an isosceles triangle, and the bottom surface of the prism strips is attached to the base film layer.

[0112] The uniform light diffusion layer includes acrylic resin and organic microparticles, and the organic microparticles are bonded on the base film layer through the acrylic resin.

[0113] The light screening structure layer includes light absorbing structures and light transmitting structures; the light absorbing structures and light transmitting structures are arranged alternately.

[0114] The light absorbing structure is a black prism strip, and the light transmission structu...

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Abstract

The invention relates to the field of optical thin film, in particular to optical thin film and a preparation method thereof. In order to solve the problem that the luminance of existing peep-proof film is prone to decline, the invention provides the optical thin film and the preparation method thereof. The optical thin film comprises a light path alignment structural layer, a base film layer, a dodging diffusion layer, a light screening structural layer and a surface protection layer from bottom to top in sequence. The optical thin film has high luminance gaining and peep proofing effects atthe same time.

Description

technical field [0001] The invention relates to the field of optical films, in particular to an optical film and a preparation method thereof, in particular to a structured optical film capable of realizing high luminance gain and high privacy characteristics. Background technique [0002] With the rapid development of mobile information technology, more and more people choose to use convenient mobile terminal devices for information consultation, interpersonal contact and even more and more people have to choose to use convenient The mobile terminal is used to handle some business, application, entertainment, etc. that need to be approved in daily work. Therefore, the information privacy of convenient mobile terminals has attracted more and more people's attention. To solve the privacy problem of convenient mobile terminals, the more popular solution in the market is to add a layer on the display screen of convenient mobile terminals. Anti-spy film, generally the anti-spy ...

Claims

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Application Information

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IPC IPC(8): G02B5/02G02B5/04G02F1/13357
CPCG02F1/133615G02B5/0226G02B5/045
Inventor 张彦张毅李刚余洋陈建文顾春红于振江唐海江
Owner NINGBO EXCITON TECH
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