公开(公告)号：US09620352B2

公开(公告)日：2017-04-11

申请号：US14108949

申请日：2013-12-17

Applicant: LG ELECTRONICS INC.

Inventor： Yongdae Kang ,  Jungwon Kang ,  Hyunjung Kim

IPC: H01J65/04 ,  H01J9/38 ,  H01J9/395 ,  H01J61/12

CPC classification number: H01J65/044 ,  H01J9/38 ,  H01J9/395 ,  H01J61/12

Abstract: An electrodeless lighting device and methods for manufacturing the same are provided. The method includes inserting a dose into the bulb and at least one of heating a vacuum line for applying a vacuum to the bulb at first predetermined temperature and heating the bulb containing the dose at a second predetermined temperature for a predetermined time.