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:
Sep. 24, 2002
Filed:
Apr. 23, 2001
Applicant:
Inventors:
Min-cheol Bae, Suwon, KR;
Young-gon Hong, Suwon, KR;
Assignee:
Samsung SDI Co., LTD, Kyungki-Do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 1/04 ;
U.S. Cl.
CPC ...
G09G 1/04 ;
Abstract
An electron gun for a color cathode ray tube includes cathodes, a control electrode, and a screen electrode, forming a triode, first, second, third, and fourth focusing electrodes, sequentially arranged relative to the screen electrode and forming at least one first quadrupole lens, fifth and sixth focusing electrodes, adjacent to the fourth focusing electrode and forming at least one second quadrupole lens, and a final accelerating electrode, adjacent to the sixth focusing electrode and forming a main lens.