公开(公告)号：US06362564B1

公开(公告)日：2002-03-26

申请号：US09120459

申请日：1998-07-23

Applicant: Youn-Jin Kim

Inventor： Youn-Jin Kim

IPC: H01J3100

CPC classification number: H01J29/861 ,  H01J2229/8606 ,  H01J2229/925

Abstract: A color cathode ray tube having a panel to which a fluorescent layer is applied, a slim neck portion with an electron gun, a funnel joined to the panel, and a stem with the electron gun sealed to the neck portion, wherein if an inner diameter of the neck portion and an outer diameter of the stem equal a and f, respectively, an interval between the neck portion's inner diameter and the stem's outer circumference meets the condition of 0.2≦(a−f)/2≦3.0, and the neck portion's outer diameter equals 23.0 mm to 28.5 mm.

Abstract translation: 一种彩色阴极射线管，其具有施加荧光层的面板，具有电子枪的细长颈部，与面板连接的漏斗，以及具有密封到颈部的电子枪的杆，其中如果内径 颈部的外径和杆的外径分别等于a和f，颈部内径和杆的外周之间的间隔满足0.2 <=（af）/ 2 <= 3.0的条件，颈部 部分的外径等于23.0mm至28.5mm。