image display device

Abstract

Abstract PURPOSE:To accurately hold the entire part of the interval of electrodes and unify the display screen by providing a plurality of insulation spacers of which greater part is covered with a metal concave material between a low voltage electrode and a high voltage electrode. CONSTITUTION:A flat type image display device is formed arranging a plurality of line cathodes, focusing electrode, deflection electrode, control electrode and acceleration electrode between the rear electrode and the display screen and then sealing such elements with a glass case 9. In this case, a plurality of metal concave materials 24 and a concave metal material 25 having a large size opening are respectively fixed by welding to the horizontal electrode 6b and the horizontal member of electron beam acceleration electrode 8, an insulation spacer 23 is attached between them in such a manner as being covered with the concave metal materials 24, 25 in order to hold the electrode space between the electrodes 6b and 8. Accordingly the electrode space can be kept with high accuracy for the entire part of electrodes, electric field is not distrurbed by the spacer 23 and uniform picture can be obtained.

Inventors

• 👤 Tatsuaki Watanabe
• 👤 渡辺　達昭
• 👤 Yuichi Moriyama
• 👤 森山　雄一
• 👤 Mitsunori Yokomakura
• 👤 横枕　光則
• 👤 Kiyoshi Saeki
• 👤 佐伯　清

Bibliographic Details