The invention relates to a taxi roof numeral multi-purpose intelligence integration electron display screen system, belongs to the advertisement issue carrier domain.

一种出租车车顶数字多功能智能一体化电子显示屏系统，属广告发布载体领域。

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Useing high energy electron beam as pumping source to excite semiconductor crystal screen laser could be generated. It can realize high brightness and high resolution display.

用高能电子束作泵浦源，去激励半导体晶体屏，可以产生激光，实现高亮度高清晰显示。

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