Array substrate, method of driving array substrate, and display device
View Patent ↗An array substrate, a method of driving an array substrate, and a display device are provided. The array substrate includes a display area, a slotting area, and a peripheral area, and the display area includes: a first area, which is in at least one side of the slotting area, and a second area which does not overlap with the first area. The array substrate includes a plurality of pixel units and a gate drive circuit. The gate drive circuit includes: a plurality of first shift register units, which are configured to drive a plurality of rows of pixel units in the first area, and a plurality of second shift register units which are configured to drive a plurality of rows of pixel units in the second area. A drive capability of a first shift register unit is lower than a drive capability of a second shift register unit.
1. An array substrate, comprising: a display area, a slotting area, and a peripheral area around the display area,
wherein the display area comprises: a first area, which is on at least one side of the slotting area, and a second area which does not overlap with the first area, and wherein the array substrate further comprises:
a plurality of pixel units in the display area and arranged in a plurality of rows; and
a gate drive circuit in the peripheral area,
the gate drive circuit comprises: a plurality of first shift register units, which are configured to drive a plurality of rows of pixel units in the first area, and a plurality of second shift register units which are configured to drive a plurality of rows of pixel units in the second area, wherein
a drive capability of each first shift register unit is lower than a drive capability of each second shift register unit, wherein the display area further comprises a transition area, and the transition area is between the first area and the second area,
wherein the gate drive circuit further comprises a plurality of third shift register units configured to drive a plurality of rows of pixel units in the transition area, wherein
a drive capability of each third shift register unit is between the drive capability of each first shift register unit and the drive capability of each second shift register unit, and
the plurality of third shift register units have a same drive capability,
the transition area is an area where the plurality of rows of pixel units driven by the plurality of third shift register units, which have the same drive capability and the drive capability of which is between the drive capability of each first shift register unit and the drive capability of each second shift register unit, are located, and
a ratio of a height of the transition area to a height of the slotting area ranges from 1/3 to 1/2.
2. The array substrate according to claim 1 , wherein drive capabilities of the plurality of first shift register units are different, amounts of pixel units in respective rows in the plurality of rows of pixel units driven by the plurality of first shift register units are different, and
the drive capability of a respective first shift register unit is in a positive correlation with an amount of pixel units in a row corresponding to the respective first shift register unit.
3. The array substrate according to claim 2 , wherein amounts of pixel units in respective rows in the first area gradually decrease in a direction away from the second area, and drive capabilities of first shift register units corresponding to the respective rows gradually decrease.
4. The array substrate according to claim 1 , wherein each first shift register unit comprises a first drive transistor, each second shift register unit comprises a second drive transistor, each third shift register unit comprises a third drive transistor,
the drive capability of each first shift register unit is in a positive correlation with a width-to-length ratio of a channel of the first drive transistor, the drive capability of each second shift register unit is in a positive correlation with a width-to-length ratio of a channel of the second drive transistor, and the drive capability of each third shift register unit is in a positive correlation with a width-to-length ratio of a channel of the third drive transistor.
5. The array substrate according to claim 4 , wherein each of each first shift register unit, each second shift register unit, and each third shift register unit comprises:
an input circuit, connected to a first node and configured to write an input signal to the first node in response to the input signal; and
an output circuit, connected to the first node and configured to output a clock signal that is received to an output terminal under control of a level of the first node, wherein
an output circuit of each first shift register unit comprises the first drive transistor, an output circuit of each second shift register unit comprises the second drive transistor, and an output circuit of each third shift register unit comprises the third drive transistor.
6. The array substrate according to claim 4 , wherein the width-to-length ratio of the channel of the first drive transistor is less than the width-to-length ratio of the channel of the third drive transistor, and the width-to-length ratio of the channel of the third drive transistor is less than the width-to-length ratio of the channel of the second drive transistor.
7. The array substrate according to claim 1 , wherein the first area is on both sides of the slotting area.
8. A display device, comprising the array substrate according to claim 1 .
9. A method of driving an array substrate, wherein the array substrate comprises a display area, a slotting area, and a peripheral area around the display area, the method of driving the array substrate comprising:
driving pixel units of a first area in the display area through first shift register units, the first area being on at least one side of the slotting area, and the display area further comprising a second area which does not overlap with the first area; and
driving pixel units of the second area through second shift register units,
wherein a drive capability of each first shift register unit is lower than a drive capability of each second shift register unit, wherein the display area further comprises a transition area, the transition area is between the first area and the second area, and the method further comprises:
driving pixel units of the transition area through third shift register units,
wherein a drive capability of each third shift register unit is between the drive capability of each first shift register unit and the drive capability of each second shift register unit,
wherein the third shift register units have a same drive capability,
the transition area is an area where the pixel units driven by the third shift register units, which have the same drive capability and the drive capability of which is between the drive capability of each first shift register unit and the drive capability of each second shift register unit, are located, and
a ratio of a height of the transition area to a height of the slotting area ranges from 1/3 to 1/2.