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LED filament and filament-type LED bulb

总结: A LED filament and a LED filament bulb using the same are disclosed. The LED filament includes a carrier, a LED chip disposed on the carrier and a conductive lead connected to the carrier. The conductive lead is electrically connected to the LED chip and includes a lead head portion, a lead tail portion and a lead neck portion connecting the lead head portion with the lead tail portion. A solid body width of the lead neck portion is less than a maximum solid body width of the lead head portion.

技术优势: The bonding location between the lead head portion and the carrier or the carrier itself can be protected.

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