Electron gun and cathode-ray tube therefor

Application Number: 00108364
Application Date: 2000.03.11
Publication Number: 1268763
Publication Date: 2000.10.04
Priority Information: 1999/3/11 KR 8075/99
International: H01J29/48
Applicant(s) Name: Samsung SDI Co., Ltd.
Inventor(s) Name: Park Deuk-Song;Kim Sang-Kyun;Jong Bong-Uk
Patent Agency Code: 72001
Patent Agent: fu kang
Abstract A final focus electrode includes a cylindrical base on one end and a conical portion on the other end such that the diameter of the conical portion is greater than that of the base and also gradually increases with distance from the base. The conical portion of the final focus electrode is located inside a cylindrical accelerating electrode such that it is coaxially surrounded by the latter.