| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an electron-emitting device capable of restraining reduction in an amount of electron emission and reducing electrostatic capacity, to provide an electron beam apparatus having the electron-emitting device, and to provide an image display apparatus. <P>SOLUTION: In the electron-emitting device including an insulating member having an upper surface, a side surface, and a recessed section formed between the upper surface and the side surface, a cathode electrode having an electron emission section arranged on the side surface and located at a boundary section between the side surface and the recessed section, and a gate electrode arranged on the upper surface and making an end opposite to the electron emission section, the boundary section where the electron emission section is located has unevenness in a direction parallel to the upper surface. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
