The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 25, 2007
Filed:
Mar. 24, 2004
Applicants:
Seung Min Lee, Yongin-si, KR;
Byoung Chul Min, Seoul, KR;
Young Hwan Choi, Seoul, KR;
Inventors:
Assignee:
LG Electronics Inc., Seoul, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 17/16 (2006.01); H01J 61/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
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.