Thin film transistor, array substrate and display device

An array substrate, comprising:

• a plurality of first signal lines extending along a second direction and a plurality of second signal lines extending along a third direction which are on the base substrate, wherein the second direction and the third direction intersect with each other, and the plurality of first signal lines intersect with the plurality of second signal lines to define a plurality of light control units in an array;
• each of the light control units comprises a thin film transistor, wherein the thin film transistor is provided on a base substrate and comprises a gate electrode, a first electrode, and a second electrode that are on the base substrate,
• wherein the gate electrode comprises:
• a first body portion extending along a first direction;
• a first extension portion extending substantially along the first direction, the first extension portion is electrically connected with the first body portion and spaced apart from the first body portion by a first spacing;
• and
• a first connection portion connecting the first body portion and the first extension portion;
• the first electrode comprises:
• a first overlapping end;
• a first compensation end at a side of the first overlapping end away from the first body portion;
• and
• a first intermediate portion connecting the first overlapping end and the first compensation end;
• wherein the plurality of light control units comprise a first light control unit and a second light control unit;
• and
• the first direction in the thin film transistor comprised in the first light control unit intersects with the first direction in the thin film transistor comprised in the second light control unit;
• and
• for the thin film transistor comprised in the first light control unit, an area of an orthographic projection of the first compensation end of the first electrode on the base substrate is a first area, and an area of an orthographic projection of the first overlapping end of the first electrode on the base substrate is a third area,
• for the thin film transistor comprised in the second light control unit, an area of an orthographic projection of the first compensation end of the first electrode on the base substrate is a second area, and an area of an orthographic projection of the first overlapping end of the first electrode on the base substrate is a fourth area;
• a sum of the first area and the second area is same as a sum of the third area and the fourth area.

An array substrate, comprising:

• a plurality of first signal lines extending along a second direction and a plurality of second signal lines extending along a third direction which are on the base substrate, wherein the second direction and the third direction intersect with each other, and the plurality of first signal lines intersect with the plurality of second signal lines to define a plurality of light control units in an array;
• each of the light control units comprises a thin film transistor, wherein the thin film transistor is provided on a base substrate and comprises a gate electrode, a first electrode, and a second electrode that are on the base substrate,
• wherein the gate electrode comprises:
• a first body portion extending along a first direction;
• a first extension portion extending substantially along the first direction, the first extension portion is electrically connected with the first body portion and spaced apart from the first body portion by a first spacing;
• and
• a first connection portion connecting the first body portion and the first extension portion;
• the first electrode comprises:
• a first overlapping end;
• a first compensation end at a side of the first overlapping end away from the first body portion;
• and
• a first intermediate portion connecting the first overlapping end and the first compensation end;
• wherein the plurality of light control units comprise a first light control unit and a second light control unit;
• and
• the first direction in the thin film transistor comprised in the first light control unit intersects with the first direction in the thin film transistor comprised in the second light control unit;
• and,
• wherein the thin film transistor comprised in the first light control unit and the thin film transistor comprised in the second light control unit are axially symmetrical with respect to an axis of symmetry along the third direction;
• or,
• the thin film transistor comprised in the first light control unit after being displaced along the third direction and the thin film transistor comprised in the second light control unit are axially symmetrical with respect to the symmetry axis along the third direction.