Light transmittance adjustable film and light transmittance adjusting device

Abstract

The invention relates to a light transmittance adjustable film and a light transmittance adjusting device. The light transmittance adjustable film comprises an elastic base body film and a light transmittance adjusting layer attached on at least one lateral film surface of the elastic base body film; the elastic base body film and the light transmittance adjusting layer both are naturally in a transparent state; for the light transmittance adjusting layer, tensile property and compression performance both are lower than that of the elastic base body film, and rigidity is higher than that of the elastic base body film. In manufacturing of the light transmittance adjustable film provided by the invention, pre-stretching is not needed, manufacturing is facilitated, moreover, the elastic basebody film and the light transmittance adjusting layer both are naturally in the transparent state, when the light transmittance adjustable film needs to be in the transparent state, applying force orapplying other external field stimulation for the light transmittance adjustable film is not needed, thus, energy saving is facilitated, and control is helped.

Description

technical field [0001] The invention relates to a film with adjustable light transmittance and a light transmittance adjusting device. Background technique [0002] In recent years, "smart glass" that can adjust the transmittance of light waves according to demand has appeared in people's production and life more and more; Turns "smart glass" opaque to protect personal privacy. It is used in buildings, automobiles, trains and aircraft windows, etc., and adjusts the transmittance and reflectivity of the infrared band according to needs. It is used for intelligent heat preservation (warm or cold), which can effectively reduce energy waste. On the other hand, "smart glass" also has important application value in the fields of optical lighting, optical imaging and optical sensing. Therefore, "smart glass" with adjustable light transmittance has been a research hotspot in recent years. [0003] The Chinese invention patent application with the application publication number of...

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Problems solved by technology

[0006] The object of the present invention is to provide a film with adjustable light transmittance, which is used to solve the problem that the film with adjustable transparency needs to be pre-stretched and inconvenient to manufacture in the prior art. Another object of the present invention is to provide a film with adjustable transparency Luminosity adjustment device, used to solve the problem of inconvenient manufacture and difficult control of films with adjustable transparency in the prior art

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