Title:
FIELD EMISSION LAMP
Document Type and Number:
Japanese Patent JP2012216441
Kind Code:
A
Abstract:
To provide a field emission lamp that has a bipolar structure owing to resistance to ion attack.
In the field emission lamp having a cathode electrode, a field emission layer disposed on a surface of the cathode electrode, an anode electrode and a phosphor layer formed on the anode electrode, the field emission layer comprises a carbon nanotube aggregate, and the carbon nanotube aggregate includes a parallel oriented bond of a plurality of adjacent triple- or more-walled multiwall carbon nanotubes, has a peak A in 1,860±20 cm-1 and a peak B in 1,580±20 cm-1 on a Raman spectrum resulting from the radiation of a laser having a wavelength of 532 nm, and has a relative intensity of the peak A at least 0.2 times that of the peak B.
Inventors:
NISHIGAYA TAKEHIKO
NISHI YASUHIKO
SOMIYA KENJI
MANJO SHIN
NISHI YASUHIKO
SOMIYA KENJI
MANJO SHIN
Application Number:
JP2011081421A
Publication Date:
November 08, 2012
Filing Date:
April 01, 2011
Export Citation:
Assignee:
JFE ENG CORP
International Classes:
H01J63/06; H01J1/304
Attorney, Agent or Firm:
Masahiro Tanaka