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LED filament and filament-type LED bulb

Summary

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.

Technology Benefits

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

Technology Application

Lighting

Application Date

2015-10-10

Application No.

US14/880198

Classes

F21K9/232 | F21V19/00 | H01L33/62

Coverage Areas

封装模组

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