EPD is now accepting applications. Download an application here. Application Instructions: Click here. Learn more about the benefits of working for the Evansville Police Department and the application process. The next selection process testing will start with Physical Assessments on March 14th and 15th, 2025.

2021年11月8日 · 电子纸显示技术（简称epd），由美国麻省理工大学教授约瑟夫.雅各布森及其研发团队，经历30余年研发成功。 墨水屏的原理很简单，电子墨水屏是由许多电子墨水组成，电子墨水可以看成一个个胶囊的样子。

2024年9月11日 · EPD就是侦测上述plasma产生原理过程中激发状态后退激所发出的光（在Chamer侧壁观察孔中可以看到不同gas起辉时发出的光颜色不同 ），然后将光信号转化为电信号，这里电信号就是Chambe

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epd的工作原理是利用电场调控微胶囊中黑白颗粒的分布状态来实现显示效果。 每个微胶囊内都包含有正负电荷的黑白颗粒，通过调节电场的极性和强度，可以控制颗粒的分布情况，从而呈现出不同灰度的图像和文字。

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