Field emission type cold cathode structure and electron gun using the cold cathode

    公开(公告)号:GB2362503B

    公开(公告)日:2002-11-06

    申请号:GB0107108

    申请日:2001-03-21

    Inventor: TOMII KAORU

    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.

    13.
    发明专利
    未知

    公开(公告)号:DE10114353A1

    公开(公告)日:2002-01-10

    申请号:DE10114353

    申请日:2001-03-22

    Inventor: TOMII KAORU

    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.

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