FIELD: electricity.
SUBSTANCE: electron-emitting device is proposed, which comprises an electroconductive element and a layer of lanthanum boride on the electroconductive element, and also includes a layer of oxide between the electroconductive element and the layer of lanthanum boride. The lanthanum oxide may contain lanthanum. The layer of lanthanum boride may be coated with a layer of lanthanum oxide.
EFFECT: provision of bright high-quality image with insignificant variations of brightness for a longer period of time.
23 cl, 20 dwg, 7 ex
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