Burris Law, PLLC
Lighting-emitting device filament
A light emitting device filament includes a substrate having a first surface and a second surface opposite to the first surface and extending in one direction, at least one light emitting device chip disposed on the first surface, and an auxiliary pattern disposed on the second surface and disposed at a position corresponding to the light emitting device chip.
SEOUL SEMICONDUCTOR CO., LTD.
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Jong Kook Jae Hyun Seong Jin
Lee Park Lee