| 摘要 |
This invention relates to a display device for men's urinals. The device comprising a housing for receiving an advert, an attachment means for attaching the housing to a urinal wall, a message bearing portion, and a reactive target 1 which covers said message bearing portion and changes its optical properties in response to urine. Thus display of an advert is achieved by a device which is reactive to a urine stream and displays or highlights an advertising message located in the device, for example as a result of the display changing colour or changing an optical characteristic. |
