diàn​zǐ​kàn​bǎn

electronic billboard

电子看板 電子看板 diàn​zǐ​kàn​bǎn
electronic billboard
large-scale display screen controlled by a computer and made of LEDs; used for advertising, broadcasting, or publicity; can be fixed or mounted on vehicles
online banner
digital advertisement on a website or program that mimics a physical billboard
electronic bulletin board
computer program or online space used for posting messages or announcements, like a digital version of a notice board