Directly heated cathode structure
AssigneeSamsung Display Devices Co., Ltd.
InventorsChang-seob Kim, Seok-bong Son, Bong-uk Jeong, Sang-kyun Kim
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Abstract
A directly heated cathode structure includes a porous pellet impregnated with a thermionic emission material, a supporter for applying electrical power, and a filament fixed to the porous pellet, having an end, and fixed to the supporter, wherein the filament includes a connecting portion wider than the filament and fixed to the supporter at the end of the filament. The cathode structure is suitable for a color CRT such as a color television or a CRT for industrial use and having a large screen.
Claims3
A directly heated cathode structure comprising a porous pellet impregnated with a thermionic emission material, a supporter for applying electrical power and a filament fixed to said porous pellet, having a width, having an end, and fixed to said supporter, wherein said filament includes a connecting portion wider than said filament and fixed to said supporter at said end of said filament.
Dependencies are inferred from the claim text.