Method of driving electron source and image-forming apparatus and method of manufacturing electron source and image-forming apparatus

A method of driving an electron source in which electron-emitting devices, each having a gate electrode and cathode electrode, are arranged in a matrix, comprising the steps of:

• applying a predetermined potential to an anode electrode formed above the electron-emitting device;
• controlling an electron emission amount of the electron-emitting device by modulating a potential between the cathode electrode and the gate electrode and selecting one of a plurality of first-directional wirings in one of an X direction and a Y direction in which the gate electrodes of a plurality of electron-emitting devices which are arranged on one side of the same row or column are commonly connected;
• and
• driving a plurality of second-directional wirings together in the other of the X direction and the Y direction in which the cathode electrodes of the plurality of electron-emitting devices which are arranged on the other side of the same row or column are commonly connected,
• wherein letting V1off be an OFF voltage of the first-directional wiring, and V2on be an ON voltage of the second-directional wiring, V1off<V2on is satisfied.

The method of manufacturing an electron source, comprising the steps of:

• (A) preparing an electron source comprising a plurality of electron-emitting devices, each comprising a gate electrode and a cathode electrode, a plurality of row-directional wirings, and a plurality of column-directional wirings, the cathode electrode being connected one of the plurality of row-directional wirings, and the gate electrode being connected to one of the plurality of column-directional wirings;
• and
• (B) connecting a means for applying a voltage to the plurality of row-directional wirings and the plurality of column-directional wirings,
• wherein the means for applying the voltage selects at least one row-directional wiring from the plurality of row-directional wirings and applies a voltage V1on to the selected wiring while selecting at least one column-directional wiring from the plurality of column-directional wirings and applying a voltage V2on to the selected wiring,
• a voltage V1off is applied to each unselected wiring of the plurality of row-directional wirings and a voltage V2off is applied to each unselected wiring of the plurality of column-directional wirings, and
• V1off>V2on>V1on is satisfied.

The method of manufacturing an image-forming apparatus, comprising the steps of:

• (A) preparing a first substrate having an electron source comprising a plurality of electron-emitting devices, each comprising a gate electrode and a cathode electrode, a plurality of row-directional wirings, and a plurality of column-directional wirings, the cathode electrode being connected one of the plurality of row-directional wirings, and the gate electrode being connected to one of the plurality of column-directional wirings;
• (B) preparing a second substrate having a phosphor;
• (C) arranging the first and second substrates to oppose each other and holding a space between the first and second substrates in a pressure reduced state;
• and
• (D) connecting a means for applying a voltage to the plurality of row-directional wirings and the plurality of column-directional wirings,
• wherein the means for applying the voltage selects at least one row-directional wiring from the plurality of row-directional wirings and applies a voltage V1on to the selected wiring while selecting at least one column-directional wiring from the plurality of column-directional wirings and applying a voltage V2on to the selected wiring,
• a voltage V1off is applied to each unselected wiring of the plurality of row-directional wirings and a voltage V2off is applied to each unselected wiring of the plurality of column-directional wirings, and
• V1off>V2on>V1on is satisfied.

A method of manufacturing an electron source, comprising the steps of:

• (A) preparing an electron source comprising a plurality of electron-emitting devices, each comprising a gate electrode and a cathode electrode, a plurality of row-directional wirings, and a plurality of column-directional wirings, the gate electrode being connected one of the plurality of row-directional wirings, and the cathode electrode being connected to one of the plurality of column-directional wirings;
• and
• (B) connecting a means for applying a voltage to the plurality of row-directional wirings and the plurality of column-directional wirings,
• wherein the means for applying the voltage selects at least one row-directional wiring from the plurality of row-directional wirings and applies a voltage V1on to the selected wiring while selecting at least one column-directional wiring from the plurality of column-directional wirings and applying a voltage V2off to the selected wiring,
• a voltage V1off is applied to each unselected wiring of the plurality of row-directional wirings and a voltage V2off is applied to each unselected wiring of the plurality of column-directional wirings, and
• V1off<V2on<V1on is satisfied.

The method of manufacturing an image-forming apparatus, comprising the steps of:

• (A) preparing a first substrate having an electron source comprising a plurality of electron-emitting devices, each comprising a gate electrode and a cathode electrode, a plurality of row-directional wirings, and a plurality of column-directional wirings, the gate electrode being connected one of the plurality of row-directional wirings, and the cathode electrode being connected to one of the plurality of column-directional wirings;
• (B) preparing a second substrate having a phosphor;
• (C) arranging the first and second substrates to oppose each other and holding a space between the first and second substrates in a depressurized state;
• and
• (D) connecting a means for applying a voltage to the plurality of row-directional wirings and the plurality of column-directional wirings,
• wherein the means for applying the voltage selects at least one row-directional wiring from the plurality of row-directional wirings and applies a voltage V1on to the selected wiring while selecting at least one column-directional wiring from the plurality of column-directional wirings and applying a voltage V2on to the selected wiring,
• a voltage V1off is applied to each unselected wiring of the plurality of row-directional wirings and a voltage V2off is applied to each unselected wiring of the plurality of column-directional wirings, and
• V1off<V2on<V1on is satisfied.