在光通信和光集成电路方面，越来越迫切需要能调制、存贮和显示光信息的电控元件。
In optical communications and optical integrated circuits, electrically controlled components are needed increasingly to modulate, storage and display optical information.
光拾取透镜，发光元件，面光源装置和彩色液晶显示单元。
Light pickup lens, light emitting element assembly, surface light source device, and color liquid crystal display unit assembly.
发电元件传感器黄色发光二极管显示开关状态光。
EGE sensors with yellow light-emitting diodes indicate the switching status optically.
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