Display apparatus and display panel driving method

A display apparatus comprising:

• a display panel including:
• a matrix wiring including a plurality of row wirings and a plurality of column wirings;
• an electron source including a plurality of electron emitting devices and connected to the matrix wiring;
• a display member opposed to the electron source;
• an anode having a region that overlaps with the display member;
• and
• a feeding member provided externally to the region of the anode and connected to the anode in a joint portion;
• a potential generation circuit connected to the feeding member,
• a scanning circuit connected to the plurality of row wirings;
• a modulation circuit connected to the plurality of column wirings;
• and
• a second potential generation circuit connected to the feeding member and configured to output a supply potential higher than a potential of the electron source to the feeding member,
• wherein the joint portion is projected in a same direction as projection of the plurality of row wirings and is provided at least one edge of the anode in a direction of arrangement of the plurality of row wirings,
• wherein the scanning circuit line-sequentially scans the plurality of row wirings within one scanning time period,
• wherein light emission portions are line-sequentially formed on the display member according to the scan executed during one scanning time period,
• wherein the potential generation circuit executes at least one of an operation for raising the supply potential within the one scanning time period as a distance between the joint portion and the light emission portion increases within the one scanning time period, and an operation for lowering the supply potential within the one scanning time period as the distance between the joint portion and the light emission portion decreases within the one scanning time period.

A method for driving a display panel, wherein the display panel comprises:

• a matrix wiring including a plurality of row wirings and a plurality of column wirings;
• an electron source including a plurality of electron emitting devices and connected to the matrix wiring;
• a display member opposed to the electron source;
• an anode provided on the display member in an overlapping manner;
• and
• a feeding member connected to the anode in a joint portion,
• wherein the plurality of row wirings includes:
• a first row wiring;
• and
• a second row wiring located farther from the joint portion than the first row wiring,
• wherein the method comprises:
• supplying by a potential generation circuit:
• in a first selected time period within one scanning time period, a selection potential to the first row wiring;
• in the first selected time period within the one scanning time period, a non-selection potential to the second row wiring;
• in a second selected time period within the one scanning time period, the non-selection potential to the first row wiring;
• in the second selected time period within the one scanning time period, the selection potential to the second row wiring;
• a first potential, which is higher than a potential of the electron source, to the feeding member during the first selected time period;
• and
• a second potential, which is higher than the first potential, to the feeding member during the second selection period.