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US 2016/0102818 A1Published application
Led-based lighting module using slow decay phosphor to reduce flicker
AssigneeVastView Technology Inc.
InventorsHung-Chi Chu, Yuhren Shen
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Abstract
An LED-based lighting module comprises an LED lighting unit with voltage dependent brightness and a cover disposed to cover all or a portion of light output paths of the LED lighting unit. The cover comprises slow decay phosphor that can suppress the brightness variation of the LED lighting unit to reduce flicker without sacrificing power factor.
Claims9
An LED-based lighting module, comprising:
- an LED lighting unit with voltage dependent brightness;
- and
- slow decay phosphor disposed at light output paths of the LED lighting unit;
- wherein the slow decay phosphor has a 10% decay time larger than 1 ms.
1 more element
Dependencies are inferred from the claim text.