Offline low-emissivity glass coated film system

A technology of low-emissivity glass and film system, which is applied in the direction of glass/slag layered products, layered products, chemical instruments and methods, etc., can solve the problems of high reflectivity and angle color tend to be reddish, and achieve small angle color deviation , Excellent wear resistance, and the effect of reducing production costs

Inactive Publication Date: 2014-09-10
HANGZHOU DIANZI UNIV +1
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AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problems of high reflectivity and reddish angle color in the production of low-shade and low-emissivity coating products in the prior art, the present invention provides a film with high light attenuation effect, stable angle color and good wear resistance Tie

Method used

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  • Offline low-emissivity glass coated film system
  • Offline low-emissivity glass coated film system
  • Offline low-emissivity glass coated film system

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Embodiment Construction

[0015] For the conventional scheme of film system design of existing off-line low-e coated glass, see Figure 1a , Figure 1b and Figure 1c : Since the Ag layer of the functional layer is protected by metal, it absorbs less light for visible light, and the attenuation of light is mainly reflected in light reflection. When designing some low-shade coating products, it is easy to produce higher light reflectivity and form light pollution. , and the inherent optical properties of thin-film metals have higher reflections for long-wave bands in visible light, but weaker reflections for short-wavelengths, and as the thickness of the metal film increases, the impact on the unevenness of light reflection is greater, so when designing low-shade coatings Due to the unevenness of the reflected light band in the product, it is easy to make the reflected color difficult to maintain a neutral color, especially when designing high-end double-silver and triple-silver products, which affects ...

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Abstract

The invention discloses an offline low-emissivity glass coated film system. According to the invention, an original metal Ti layer or a NiCr alloy is replaced with a nitrogen zinc oxide film layer in an existing offline low-emissivity glass coated film system. The nitrogen zinc oxide film layer is prepared by a magnetron sputtering method; nitrogen acts as a sputtering gas and a technological gas in the magnetron sputtering film coating process, and meanwhile, trace oxygen is introduced according to the practical product performance. Relatively low visible light reflectance is kept as well as the sun shading coefficient is low. The offline low-emissivity glass coated film system is gentle in color, can meet the neutral color requirement easily, is low in angle color deviation, and is excellent in abrasion resistance and outstanding in processing property, the finished product rate of the system is effectively improved, and the production cost is lowered.

Description

technical field [0001] The invention relates to a film system of off-line low-radiation glass coating. Background technique [0002] In the film system design of conventional offline low-emissivity coated glass, the metal Ti layer or NiCr alloy is generally used as the protective layer and light attenuation layer of the silver layer of the functional layer, but due to the low attenuation coefficient of these two metal materials for visible light, resulting in Off-line coated glass with low shading will have a high reflectance of visible light, which is likely to cause light pollution. At the same time, the color of the angle tends to be reddish, which affects the appearance of the product. Contents of the invention [0003] In order to solve the technical problems of high reflectivity and reddish angle color in the production of low-shade and low-emissivity coating products in the prior art, the present invention provides a film with high light attenuation effect, stable a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B17/06B32B9/04C23C14/35
Inventor 陈君汤传兴
Owner HANGZHOU DIANZI UNIV
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