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:
Feb. 18, 2003
Filed:
Aug. 31, 2000
Applicant:
Inventors:
Duk-sung Park, Suwon, KR;
Sang-kyun Kim, Incheon, KR;
Bong-wook Jung, Seoul, KR;
Sang-mook Kim, Suwon, KR;
Assignee:
Samsung SDI Co., Ltd., Kyungki-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 2/946 ; H01J 2/982 ;
U.S. Cl.
CPC ...
H01J 2/946 ; H01J 2/982 ;
Abstract
An electron gun for a cathode ray tube includes a cathode assembly, a control electrode, and a screen electrode adjacent to the cathode assembly, combined, and spaced apart from each other by a gap maintainer, focusing electrodes sequentially arranged adjacent to the screen electrode, forming an auxiliary lens and a main lens, and bead glass in which portions of the cathode assembly and respective electrodes are embedded and supported.