Electron generation using a fluorescent element and image forming using such electron generation

An electron-beam generating apparatus comprising:

• a plurality of electron-emitting devices;
• a plurality of row-direction wiring electrodes of conductive material, for applying a predetermined voltage to said electron-emitting devices;
• an accelerating electrode opposite to the electron-emitting devices;
• and
• a semiconductive support members provided between part of said row-direction wiring electrodes and said accelerating electrode,
• wherein said semiconductive support member is provided on said row-direction wiring electrode via a conductive connection member, and
• wherein if predetermined electric potentials of the same level are applied to said row-direction wiring electrode where said semiconductive support member is provided and said row-direction wiring electrode where said semiconductive support member is not provided, a thickness of conductive connection member is controlled such that electric-potential distribution on a surface of said semiconductive support member and that in space between said row-direction wiring electrode where said semiconductive support member is not provided and said accelerating electrode become the same.

An image display apparatus comprising:

• a plurality of electron-emitting devices;
• a plurality of row-direction wiring electrodes of conductive material, for applying a predetermined voltage to said electron-emitting devices;
• an accelerating electrode opposite to the electron-emitting devices, said accelerating electrode having a fluorescent member for displaying an image by electrons from said plurality of electron-emitting devices;
• and
• a semiconductive support member provided between part of said row-direction wiring electrodes and said accelerating electrode,
• wherein said semiconductive support member is provided on said row-direction wiring electrode via a conductive connection member, and
• wherein a height of an upper surface of said conductive connection member on said row-direction wiring electrode and a height of an upper surface of conductive material of said row-direction wiring electrode where said semiconductive support member is not provided are substantially the same.

An image display apparatus comprising:

• a plurality of electron-emitting devices;
• a plurality of row-direction wiring electrodes of conductive material, for applying a predetermined voltage to said electron-emitting devices;
• an accelerating electrode opposite to the electron-emitting devices, said accelerating electrode having a fluorescent member for displaying an image by electrons from said plurality of electron-emitting devices;
• and
• a semiconductive support member provided between part of said row-direction wiring electrodes and said accelerating electrode, wherein said semiconductive support member is provided on said row-direction wiring electrode via a conductive connection member, and
• wherein if predetermined electric potentials of the same level are applied to said row-direction wiring electrode where said semiconductive support member is provided and said row-direction wiring electrode where said semiconductive support member is not provided, a thickness of conductive connection member is controlled such that electric-potential distribution on a surface of said semiconductive support member and that in space between said row-direction wiring electrode where said semiconductive support member is not provided and said accelerating electrode become the same.

An electron-beam generating apparatus comprising:

• a plurality of electron-emitting devices;
• a plurality of wiring electrodes of conductive material;
• an accelerating electrode opposite to the electron-emitting devices;
• and
• a semiconductive support member provided between part of said wiring electrodes and said accelerating electrode,
• wherein said semiconductive support member is provided on said wiring electrode via a conductive member, and
• wherein a height of an upper surface of said conductive member on said wiring electrode and a height of an upper surface of conductive material of said wiring electrode where said semiconductive support member is not provided are substantially the same.

An image display apparatus comprising:

• a plurality of electron-emitting devices;
• a plurality of wiring electrodes of conductive material;
• an accelerating electrode opposite to the electron-emitting devices, said accelerating electrode having a fluorescent member for displaying an image by electrons from said plurality of electron-emitting devices;
• and
• a semiconductive support member provided between part of said wiring electrodes and said accelerating electrode,
• wherein said semiconductive support member is provided on said wiring electrode via a conductive support member, and
• wherein a height of an upper surface of said conductive member on said wiring electrode and a height of an upper surface of conductive material of said wiring electrode where said semiconductive support member is not provided are substantially the same.

An electron-beam generating apparatus comprising:

• a plurality of electron-emitting devices;
• a plurality of wiring electrodes of conductive material;
• an accelerating electrode opposite to the electron-emitting devices;
• and
• a semiconductive support member provided between part of said wiring electrodes and said accelerating electrode,
• wherein said semiconductive support member is provided on said wiring electrode via a conductive member, and
• wherein both of a height of an upper surface of said conductive member on said wiring electrode and a height of an upper surface of conductive material of said wiring electrode where said semiconductive support member is not provided are higher than a height of an electron emitting portion of said electron-emitting device.

An image display apparatus comprising:

• a plurality of electron-emitting devices;
• a plurality of wiring electrodes of conductive material;
• an accelerating electrode opposite to the electron-emitting devices, said accelerating electrode having a fluorescent member for displaying an image by electrons from said plurality of electron-emitting devices;
• and
• a semiconductive support member provided between part of said wiring electrodes and said accelerating electrode,
• wherein said semiconductive support member is provided on said wiring electrode via a conductive member, and
• wherein both of a height of an upper surface of said conductive member on said wiring electrode and a height of an upper surface of conductive material of said wiring electrode where said semiconductive support member is not provided are higher than a height of an electron emitting portion of said electron-emitting device.