Abstract:
Provided are methods of manufacturing carbon nanotube (CNT) paste, to which a nano-sized particle is added, and a CNT emitter with high reliability for a field emission display (FED). The method includes the steps of: (i) dispersing CNT powder in a solvent; (ii) adding an organic binder to the solution in which the CNT powder is dispersed; and (iii) performing a milling process to adjust viscosity of the dispersion solution to which the organic binder is added, wherein a nano-sized metal particle is added in step (i) or (iii). Accordingly, the nano-sized metal particle is added as a metal filler of the CNT paste, and thus a metal may be melted at a low temperature at which CNTs do not deteriorate. Thus, adhesion between the CNT paste and a cathode may be improved, and resistance between the cathode and the CNT or between CNTs may be reduced. Further, the CNT paste manufactured by the above method is employed in manufacturing the CNT emitter to thereby obtain uniform emission of electrons from the CNT emitter and increase electron emission sites, and thus the reliability of the CNT emitter may be further improved.
Abstract:
A carbon film (703) used for field emission cathode is a layer of thin carbon film on a substrate (803). The carbon film has a UV Raman band in range of 1578 cm to 1620 cm with full width at half maximum from 25 to 165 cm .
Abstract:
A carbon film (703) used for field emission cathode is a layer of thin carbon film on a substrate (803). The carbon film has a UV Raman band in range of 1578 cm to 1620 cm with full width at half maximum from 25 to 165 cm .
Abstract:
Cette source d'électrons à émission de champ comporte une pointe (12-14) émettrice d'électrons dont la plus grande largeur de sa section transversale est supérieure à 0,4 mm, la face extérieure de cette pointe étant réalisée dans un matériau composite formé d'une matrice en matériau électriquement isolant à l'intérieur de laquelle et à la surface de laquelle sont réparties aléatoirement des particules de carbone pour rendre électriquement conductrice la pointe. Les particules de carbone représentent moins de 40% en masse du matériau composite. Les particules de carbone sont des particules de noir de carbone présentant une surface spécifique de plus de 150 m 2 /g ou de poudre de graphite et la pointe est entièrement réalisée dans ce matériau composite.