nameplate       
noun [ C ] uk/ˈneɪm.pleɪt/ us/ˈneɪm.pleɪt/
 名称牌,名牌,标示牌
a piece of metal or plastic fastened onto something to show who owns it, who has made it, or who lives or works there
  There was a brass nameplate outside the door saying Dr A. Aslan. 门外有一个铜制的姓名牌写着“A‧ 阿斯兰医生”。