该器件的结构原理是基于一个波导管和一个环形共振器之间的耦合，并用时域有限差分法设计和验证了该结构。
The proposed structure mechanism is based on coupling between a waveguide and a ring resonator. This structure is designed and verified by finite-difference time-domain (FDTD) computation.
从oled的发光原理出发，介绍了OLED器件的结构特点和常用的TFT OLED像素电路的结构。
According to the principle of OLED, the structures of OLED device and a pixel circuit of TFT-OLED are introduced.
本文介绍了位置敏感器件（PSD）的结构和原理。
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