Samsung Sdi Co., Inc.

Se Ja Chul Hwang

Duk-Sung Park

Bong-Wook Jung

Yeong-Guon Won

An electron gun for a cathode ray tube and a cathode ray tube using such electron gun is provided. The electron gun includes a cathode for emitting an electron beam; a plurality of grid electrodes aligned sequentially from the cathode, one of the grid electrodes including a plurality of focusing electrodes that are mounted with a predetermined gap therebetween; a support for fixing the grid electrodes in their aligned arrangement; and a shield electrode mounted covering the gap(s) of the focusing electrodes and extending a predetermined distance over the focusing electrodes. The cathode ray tube includes the electron gun; a neck, within which the electron gun is mounted; and a scanning velocity modulation coil mounted on an outer circumference of the neck corresponding to the positioning of the gap(s) of the focusing electrodes.

Growing community of inventors

Suwon, South Korea

Se Ja Chul Hwang