AMORPHOUS-SEMICONDUCTOR MONOLITHIC LIGHT-CONVERTERS

A new type of amorphous semiconductor thin-film optoelectronic functio nal device has been developed. The device consists of an amorphous sil icon carbon (a-Si1-xCx:H) visible-light emitter and a photosensor, whi ch are integrated into a multi-layered structure by a simple RF plasma CVD process. The developed functional element acts as a light-convert er or an image converter. It is demonstrated that the output light on/ off can be controlled with an applied voltage and input light, and tha t an input light image is transferred to an output emission light patt ern. The proposed device would have a wide variety of applications, su ch as thin-film optoelectronic integrated circuits (OEIC) and image tr anslation devices, with full utilization of the unique advantages of a morphous materials.