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US 6,144,166 AGranted
Electron source and image-forming apparatus with a matrix array of electron-emitting elements
AssigneeCanon Kabushiki Kaisha
InventorsNaoto Nakamura, Hideaki Mitsutake, Yoshihisa Sano, Ichiro Nomura, Hidetoshi Suzuki
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Abstract
An electron source comprises a substrate, a row wire and a column wire disposed on the substrate, and an electron-emitting element connected to both the row and column wires. The electron-emitting region of the electron-emitting element is surrounded by one of both the row and column wires.
Claims6
An electron source comprising:
- a substrate;
- a first wire and a second wire laminated on said substrate to cross each other with an insulating layer interposed therebetween, said first wire being disposed over said insulating layer and said second wire being disposed under said insulating layer;
- and
- an electron-emitting element, having an electron-emitting region, connected to both said first and second wires, wherein
- said electron-emitting element, said first wire and said second wire are each provided in plurality, with said plurality of electron-emitting elements arrayed into a matrix pattern, wherein
- a potential applied to said first wire is not higher than a potential applied to said second wire, said first wire is supplied with a scanning signal, and said second wire is supplied with a modulation signal;
- and
- said electron-emitting region is sandwiched between a deriving section of said first wire which applies the scanning signal to the electron-emitting region and said second wire which applies the modulation signal to the electron-emitting region.
5 more elements
An image-forming apparatus comprising:
- an electron source emitting an electron beam, and
- an image-forming member for forming an image upon irradiation of the electron beam emitted from said electron source in accordance with an input signal,
- said electron source comprising:
- substrate,
- a first wire and a second wire laminated on said substrate to cross each other with an insulating layer interposed therebetween, said first wire being disposed over said insulating layer and said second wire being disposed under said insulating layer, and
- an electron-emitting element, having an electron-emitting region, connected to both said first and second wires, wherein
- said electron-emitting element, said first wire and said second wire are each provided in plurality, with said plurality of electron-emitting elements arrayed into a matrix pattern, wherein
- a potential applied to said first wire is not higher than a potential applied to said second wire, said first wire is supplied with a scanning signal, and said second wire is supplied with a modulation signal;
- and
- said electron-emitting region is sandwiched between a deriving section of said first wire which applies the scanning signal to the electron-emitting region and said second wire which applies the modulation signal to the electron-emitting region.
7 more elements
Dependencies are inferred from the claim text.