介绍光发射二极管原理和器件。
This chair introduces the principles and devices of optical emitting diodes.
新技术采用有机光发射二极管（OLED）薄膜在电流的响应下产生光辐射。
The new technology employs organic light emitting diodes, or OLEDs, tiny thin films that create light in response to electrical current.
一束由发光二极管发射出的红外线光立刻进入到使用者眼前的空间，这样一个小型摄像机装置，可分析人们的手势轨迹。
A ring of LEDs projects infrared light into the space immediately in front of the user so a camera in the device can interpret gestures.
光辐射的光源（103、411）可以从包括二极管发光器、LED、多模垂直腔面发射激光器（VCSEL）、激光二极管和白光的列表中选择。
The source 103, 411 of optical radiation may be selected from a list including diode emitters, LEDs, multimode vertical-cavity surface-emitting lasers (VCSELs), laser diodes, and white light.
光辐射的光源（103、411）可以从包括二极管发光器、LED、多模垂直腔面发射激光器（VCSEL）、激光二极管和白光的列表中选择。
The source 103, 411 of optical radiation may be selected from a list including diode emitters, LEDs, multimode vertical-cavity surface-emitting lasers (VCSELs), laser diodes, and white light.
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