Patent Number: 6,803,707

Title: Electron source having an insulating layer with metal oxide particles

Abstract: Disclosed is an electron source forming substrate provided with an insulating material layer provided on the surface of a substrate, at which surface an electron-emitting device is disposed, wherein the insulating material layer has a plurality of partially exposed metal oxide particles on its surface. Also disclosed are an electron source including a substrate and an electron-emitting device arranged on the substrate, wherein the substrate is an electron source forming substrate as described above, and an image display apparatus including an envelope, an electron-emitting device arranged in the envelope, and an image display member adapted to display images through application of electrons from the electron-emitting device, wherein a substrate on which the electron-emitting device is arranged is an electron source forming substrate as described above.

Inventors: Ishiwata; Kazuya (Kanagawa, JP), Yamada; Shuji (Kanagawa, JP), Meguro; Tadayasu (Kanagawa, JP)

Assignee: Canon Kabushiki Kaisha

International Classification: H01J 9/02 (20060101); H01J 001/304 (); H01J 001/62 ()

Expiration Date: 10/12016