Zhejiang Super Lighting Electric Appliance Co., Ltd

Ai-ming Xiong

Tao Jiang

Yi-Ching Chen

Wei-Hong Xu

Yukihiro Saito

Hayato Unagiike

Jun-feng Xu

An LED filament comprising a plurality of LED filament units, each of the plurality of LED filament units includes a LED chip with an upper surface and a lower surface opposite to the upper surface of the LED chip, and a light conversion layer comprising a top layer and a base layer, and the base layer comprises an upper surface and a lower surface opposite to the upper surface of the base layer, where the top layer with an upper surface and a lower surface opposite to the upper surface of the top layer is disposed on at least two sides of each of the LED chips, the lower surface of each of the LED chips is close to the upper surface of the base layer, and the upper surface of the top layer is away from each of the LED chips.

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Jiaxing, China

Ai-ming Xiong