Lee, Hong, Degerman, Kang & Schmadeka
Plasma lighting bulb with metal provided in grooves formed on surface thereof
A plasma lighting bulb is disclosed. The plasma lighting bulb includes a bulb emitting light, being formed of a transparent material, and having a plurality of grooves having a predetermined depth formed on a surface of the bulb, and a metal formed in the grooves, wherein a cross-section of the grooves is formed of one of a semicircular shape, a V-shape, and a polygonal shape.
LG Electronics Inc.
H H
H01J H01K
inventional inventional
Byoung Chul Young Hwan Seung Min
Min Choi Lee