Patent Number: 6,166,485

Title: Electron gun with heat dissipation elements

Abstract: Picture display device comprising an electron gun with cathodes having an enhanced dissipation of heat by virtue of an enlarged surface or an increase of the emissivity of the surface.

Inventors: Kroon; Ron (Eindhoven, NL), Zonneveld; Maarten H. (Eindhoven, NL), Heijman; Edwin (Eindhoven, NL), Sinke; Arnold (Eindhoven, NL)

Assignee: U.S. Philips Corporation

International Classification: H01J 29/48 (20060101); H01J 029/46 ()

Expiration Date: 12/26/2017