Smoked membrane structure

A film structure and diaphragm technology, applied in optics, instruments, optical components, etc., can solve the problems of lowering product grade specifications, increasing power consumption costs, and reducing equipment life, so as to achieve small barrier and absorption effects, avoid easy damage, and prolong The effect of service life
CN108535798AInactive Publication Date: 2018-09-14MARELLI AUTOMOBILE ELECTRONIS GUANGZHOU CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
MARELLI AUTOMOBILE ELECTRONIS GUANGZHOU CO LTD
Publication Date
2018-09-14
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a smoked membrane structure. The smoked membrane structure comprises transparent base materials and a PVA (polyvinyl acetate) layer covering the inner sides of the transparentbase materials, wherein the transparent base materials are membranes made of a high-transparency material. The non-polarized light passing rate of PVA arranged on the smoked membrane structure is 50%,and the polarized light passing rate of PVA as high as about 85%. Therefore, the attractive effect of integral black can be realized when light sources such as a TFT (thin film transistor) screen andthe like are switched off; when the light sources are switched on, the smoked membrane structure does not have obvious attenuation effect on polarized light emitted from the light sources, extra-loadadded to the light sources such as the TFT screen and the like is smaller, high probability of damage caused by long-term high-load and even over-load operation of the light sources such as the TFT screen and the like can be avoided better, and the service life of the light sources is relatively prolonged; besides, because of no need of high-load operation, electric power is saved, and the lightsources are more environmentally friendly.
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Description

technical field

[0001] The invention relates to an optical film structure, in particular to a smoked film structure for hiding product surface details. Background technique

[0002] Smoked film is a kind of black light-transmitting film, which has a certain absorption rate for light, so that only part of the light reaching the surface of the smoked film can pass through the film, and the rest of the light will be absorbed by the film and cannot pass through the smoked film. Smoked film. Therefore, the smoked film is often used as a film for car headlights and TFT screen film (or other user scenarios where it is necessary to hide the details of the surface product from the user). When the screen is turned off, the car lights have the effect of hiding product details from the user, and the TFT screen also enhances its product friendliness due to the "one-piece black" visual effect.

[0003] The existing smoked film with a light absorption rate of about 50% is pasted on TFT p...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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