聚酰亚胺
材料科学
电介质
透射率
复合材料
基质(水族馆)
热稳定性
柔性电子器件
灵活的显示器
有机发光二极管
溶解
图层(电子)
光电子学
薄膜晶体管
化学工程
海洋学
地质学
工程类
作者
Chuanhao Cao,Ling Weng,Xiaorui Zhang
标识
DOI:10.1590/0104-1428.10520
摘要
Flexible transparent substrate materials, which was able to withstand high dynamic strain, in contrast to traditional substrate materials. A flexible and transparent material with advantages including transparency, stable size, and excellent corrosion and electrical resistance was provided. The polyimide(PI) film was prepared by introducing a structure with a high content of F atom and a fine optimization process to enhance the various properties of the film. However, the properties of the films were optimized effectively by gradient vacuum and secondary dissolution so that the film had a transmittance at 400 nm of 82%. The films with low dielectric constant and low dielectric loss represent the breakdown strength of 202 kV/mm. The glass transition temperature of the film was 267 °C, and the thermal expansion coefficient was 35ppm/k (30 °C~270 °C), indicated outstanding thermal dimensional stability. Therefore, this polyimide film was an optoelectronic device with extremely high application potential on the folding mobile phone and the PI film is the finest materials of screen.
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