Luminescent device with long afterglow phosphor
The utility model provides a luminescent device with long afterglow phosphor: on long afterglow phosphor (3) disposed on light emitting area, the inside or lower end in LED excitation light source (4)disposed on long afterglow phosphor (3) excites long afterglow phosphor (3) luminous with a fixed cy...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides a luminescent device with long afterglow phosphor: on long afterglow phosphor (3) disposed on light emitting area, the inside or lower end in LED excitation light source (4)disposed on long afterglow phosphor (3) excites long afterglow phosphor (3) luminous with a fixed cycle or duty cycle, and arrange in the setting region of long afterglow phosphor (3) outside or illuminating source (5), through combining long afterglow phosphor (3) characteristic and carry out the appropriate allocation to illuminating source (5), realize the purpose that the global function gives off light down in control circuit (6) control, have one, have high degree of distinguishing of people's eye and high comfort concurrently, two, light emitting mode and function are many, can satisfydiversified demand, three, have higher safety guarantee degree, it is effectual to economize on electricity, and it is luminous to meet an urgent need under extreme condition such as outage, but subassembly or component also |
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