Invention Grant
US09321224B2 Infrared absorption film, infrared absorption film manufacturing method and camera module comprising the infrared absorption film 有权
红外吸收膜,红外线吸收膜的制造方法以及包含红外吸收膜的摄像模块

Infrared absorption film, infrared absorption film manufacturing method and camera module comprising the infrared absorption film
Abstract:
An infrared absorption film includes a polymer resin substrate, a polymer dispersant and an infrared absorption material. The infrared absorption material has a plurality of tungsten oxide and/or composite tungsten oxide nanoparticles dispersed in the polymer resin substrate by the polymer dispersant, wherein a weight ratio of the polymer dispersant to the infrared absorption material is between 0.3 and 0.6.
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