公开(公告)号：US20010024082A1

公开(公告)日：2001-09-27

申请号：US09812692

申请日：2001-03-21

Applicant: LG Electronics Inc.

Inventor： Kaoru Tomii

IPC: H01J029/46 ,  H01J001/02

CPC classification number: H01J3/022 ,  H01J1/3044

Abstract: The present invention relates to a field emission type cold cathode structure and an electron gun using the cathode which is capable of preventing electron emission error due to impurities etc. by emitting the electron with the field, the present invention comprises a fusible metal layer formed between a base electrode and each emitter chip, a focus electrode formed on the upper portion of a gate electrode with an insulating layer between them, and a control electrode formed on the upper portion of a focus electrode with an insulating layer between them, accordingly the present invention can reduce power for heating the cathode, display data and a picture instantly on a screen, simplify a structure of an electron lens etc. focusing an electron beam, and improving precision in electron gun assembly.

Abstract translation: 本发明涉及场发射型冷阴极结构和使用阴极的电子枪，其能够通过用场发射电子来防止由杂质等引起的电子发射误差，本发明包括在 基极和每个发射极芯片，形成在栅电极的上部，在它们之间具有绝缘层的聚焦电极以及形成在聚焦电极的上部之间具有绝缘层的控制电极，因此本发明 本发明可以降低阴极加热功率，在屏幕上立即显示数据和图像，简化聚焦电子束的电子透镜等的结构，提高电子枪组装的精度。