Abstract:
A thermionic electron emission device includes an insulating substrate and one or more lattices located on the insulating substrate. Each lattice includes a first, second, third and fourth electrode down-leads located on the insulating substrate to define an area. A thermionic electron emission unit is located in the area. The thermionic electron emission unit includes a first electrode, a second electrode, and a thermionic electron emitter. The thermionic electron emitter includes a carbon nanotube film structure. The carbon nanotube film structure includes a carbon nanotube film. The carbon nanotube film includes a number of carbon nanotubes joined end to end along axial directions of the carbon nanotubes by contacting with each other directly.
Abstract:
A thermionic electron emission device includes an insulating substrate, and one or more grids located thereon. The one or more grids include(s) a first, second, third and fourth electrode down-leads located on the periphery thereof, and a thermionic electron emission unit therein. The first and second electrode down-leads are parallel to each other. The third and fourth electrode down-leads are parallel to each other. The first and second electrode down-leads are insulated from the third and fourth electrode down-leads. The thermionic electron emission unit includes a first electrode, a second electrode, and a thermionic electron emitter. The first electrode and the second electrode are separately located and electrically connected to the first electrode down-lead and the third electrode down-lead respectively. Wherein the thermionic electron emitter includes a carbon nanotube film structure.
Abstract:
A thermal electron emission source includes a first electrode, a second electrode insulated from the first electrode, a carbon nanotube string electrically connected to and in contact with the first electrode and the second electrode, and a number of electron emission particles. The carbon nanotube string is composed of a number of closely packed carbon nanotube bundles, and each of the carbon nanotube bundles includes a number of carbon nanotubes. The electron emission particles are uniformly dispersed in the carbon nanotube string and are coated on the surfaces of the carbon nanotubes. A method for making the thermal electron emission source is also provided.
Abstract:
A thermionic electron source includes a substrate, at least two electrodes, and a thermionic emitter. The electrodes are electrically connected to the thermionic emitter. The thermionic emitter has a film structure. Wherein there a space is defined between the thermionic emitter and the substrate.
Abstract:
PROBLEM TO BE SOLVED: To provide a thermion emission element which includes carbon nanotubes specifically. SOLUTION: The thermion emission device includes a base plate, two electrodes, and thermion emission elements connected electrically with the above two electrodes. On the base plate, there is formed a groove. A part of the thermion emission element is arranged on a surface of the base plate on which the groove is formed. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a thermion emission device which includes carbon nanotubes specifically. SOLUTION: The thermion emission device includes a base plate, an insulative base plate and a plurality of lattices formed on the insulative base plate. Each of the lattices includes four electrode extracting wires arranged around the lattice, and a thermion emission unit. The thermion emission unit includes two electrodes and thermion emission elements. The above two electrodes are connected electrically with the thermion emission elements. The thermion emission elements includes carbon nanotube structural body. There is provided also a method of manufacturing the thermion emission device. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a thermion source which is applied in a display device having high current density and high brightness, a logical circuit, and other heat power source field or the like, and has superior performance in thermion emission and a long service life. SOLUTION: This thermion source includes a substrate, at least two electrodes, and a thermion emission element. The thermion emission element is electrically connected at least to two electrodes, includes a carbon nanotube structural body, and is installed separatedly from the substrate. COPYRIGHT: (C)2009,JPO&INPIT