Electron-emitting device and display panel including the same
AssigneeCanon Kabushiki Kaisha
InventorsNaofumi Aoki, Shoji Nishida
Life of this patent
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Abstract
An electron-emitting device includes an electroconductive member and a lanthanum boride layer on the electroconductive member and further includes an oxide layer between the electroconductive member and the lanthanum boride layer. The oxide layer can contain a lanthanum element. The lanthanum boride layer can be overlaid with a lanthanum oxide layer.
Claims20
An electron-emitting device that includes an electron-emitting member and emits electrons from a surface of the electron-emitting member in an electric field, the electron-emitting member including an electroconductive member and a lanthanum boride layer disposed on the electroconductive member,
- wherein an oxide layer is disposed between the electroconductive member and the lanthanum boride layer.
An electron-emitting device that includes an electroconductive member and a lanthanum boride layer disposed on the electroconductive member,
- wherein an oxide layer is disposed between the electroconductive member and the lanthanum boride layer, and the oxide layer contains a lanthanum element.
An electron-emitting device that includes an electroconductive member and a lanthanum boride layer disposed on the electroconductive member,
- wherein an oxide layer is disposed between the electroconductive member and the lanthanum boride layer, and a lanthanum oxide layer is disposed on the lanthanum boride layer.
Dependencies are inferred from the claim text.