Increased emission efficiency of gated cold cathode with carbonic nano-pillars

Tomoya Yoshida, Akiyoshi Baba, Tanemasa Asano

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Carbonic field emitter material produced from organic films such as photoresists and polyimides, is a very attractive candidate for application in large-area field-emission displays (FEDs). In this paper we describe improvements in the fabrication yield and emission efficiency of a gated cold cathode whose emitter is made up of nano-pillars of carbonic material. We have found that the low-density porouslike-structure photoresist film causes structural damage of the device and this leads to an increase in leakage current. The film density can be significantly improved by Ar-ion-beam irradiation, which contributes to the complete fabrication of the device. After the complete fabrication, the electron emission efficiency was markedly improved from 0.1% to 50%. Electric breakdown voltage was also improved. Field electron emission from the 4 × 4 matrix gated cold cathode is demonstrated.

Original languageEnglish
Pages (from-to)3901-3905
Number of pages5
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
Volume43
Issue number6 B
DOIs
Publication statusPublished - Jun 2004
Externally publishedYes

Fingerprint

cold cathodes
Cathodes
Electron emission
Photoresists
Electric breakdown
photoresists
Fabrication
electron emission
fabrication
field emission
emitters
Field emission displays
electrical faults
polyimides
Polyimides
Leakage currents
Ion beams
leakage
ion beams
Irradiation

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Increased emission efficiency of gated cold cathode with carbonic nano-pillars. / Yoshida, Tomoya; Baba, Akiyoshi; Asano, Tanemasa.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes, Vol. 43, No. 6 B, 06.2004, p. 3901-3905.

Research output: Contribution to journalArticle

Yoshida, Tomoya ; Baba, Akiyoshi ; Asano, Tanemasa. / Increased emission efficiency of gated cold cathode with carbonic nano-pillars. In: Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes. 2004 ; Vol. 43, No. 6 B. pp. 3901-3905.
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