| 摘要 |
An emergency information lighting system ( 100/200/300 ), comprising a primary light source ( 110/210/310 ) and a housing ( 112/212/312 ) for the primary light source ( 110/210 ). The housing ( 112/212/312 ) includes a first wall ( 120/220/320 ) with indicia openings ( 126/226/326 ) which correspond to emergency information. The primary light source ( 110/210/310 ) emits primary light, which passes through the indica openings ( 126/226/326 ) to display the emergency information to a viewing environment. The housing ( 112/212 ) or a bulb ( 316 ) incorporates a phosphorescent material ( 132/232/332 ) which, in the absence of the primary light, emits passive light to display the emergency information to the viewing environment.
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