| 摘要 |
The present invention provides an image display device, by which it is possible to prevent dielectric breakdown between a bottom electrode and a top electrode (top electrode bus line), which make up thin-film type electron sources, and which is free of display defect and has longer service life. On a cathode substrate 10, a bottom electrode 11, a tunneling insulator 12, and a top electrode 13 are prepared. On a lower layer of the top electrode 13, a top electrode bus line 16 is formed, and the top electrode 13 is reliably connected to the top electrode bus line 16 via a contact electrode 15. A field insulator 12 A, a lower layer 14 a of the interlayer insulator deposited by sputtering and an upper layer 14 b of the interlayer insulator are laminated between the top electrode 13 and the contact electrode and the bottom electrode 11, and the bottom electrode 11 is insulated from the top electrode 13 (top electrode bus line 16 ).
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