Display panel and display device
The present application provides a display panel and a display device. An N-th auxiliary unit is arranged in a display area of the display panel. An output end of the N-th auxiliary unit is connected to an N-th scan line. By connecting the auxiliary unit arranged in the display area to the corresponding scan line, a falling edge of a scan signal transmitted in the scan line can have sharp falling or a rising edge of the scan signal can have sharp rising, which can alleviate a signal distortion problem caused by transmission delay in the display area.
1 . A display panel, comprising:
a first line;
an N-th scan line, wherein at least a portion of the N-th scan line is arranged in a display area of the display panel, and is configured to transmit an N-th level scan signal, wherein N is a positive integer; and
an N-th auxiliary unit, wherein the N-th auxiliary unit is arranged in the display area of the display panel, an output end of the N-th auxiliary unit is electrically connected to the N-th scan line, an input end of the N-th auxiliary unit is electrically connected to the first line, a control end of the N-th auxiliary unit is electrically connected to an N+1-th scan line or a control end of the (N+1)-th auxiliary unit is electrically connected to an (N+2)-th scan line,
wherein the N-th auxiliary unit comprises a plurality of thin film transistors (TFTs), one of a source and a drain of at least one of the TFTs is electrically connected to the N-th scan line, and the other one of the source and the drain of the at least one TFT is electrically connected to the first line,
wherein a control end of the (N+2)-th auxiliary unit is electrically connected to an (N+3)-th scan line, a gate of the at least one TFT is electrically connected to the (N+1)-th scan line, the (N+2)-th scan line, or the (N+3)-th scan line,
wherein the N-th scan line is electrically connected to one of the source and the drain of each TFT to form a plurality of corresponding connection nodes on the N-th scan line, and the N-th level scan signal is input from at least one end of the N-th scan line; wherein when the N-th level scan signal is input from one end of the N-th scan line, a density of the connection nodes close to another end of the N-th scan line is greater than a density of the connection nodes close to the one end of the N-th scan line from which the N-th level scan signal is input; when the N-th level scan signal is input from two ends of the N-th scan line, a density of the connection nodes in a middle of the N-th scan line is greater than a density of the connection nodes close to any end of the N-th scan line.
2 . The display panel according to claim 1 , wherein the TFTs are N-channel TFTs, and the first line is configured to transmit a constant low-potential signal.
3 . The display panel according to claim 2 , wherein, the first line is an (N+X)-th scan line, and X is an integer greater than or equal to 3.
4 . The display panel according to claim 1 , wherein the TFTs are P-channel TFTs, and the first line is configured to transmit a constant high-potential signal.
5 . The display panel according to claim 4 , wherein the first line is an (N+X)-th scan line, and X is an integer greater than or equal to 3.
6 . A display device, comprising a display panel, the display panel comprising:
a first line;
an N-th scan line, wherein at least a portion of the N-th scan line is arranged in a display area of the display panel, and is configured to transmit an N-th level scan signal, wherein N is a positive integer; and
an N-th auxiliary unit, wherein the N-th auxiliary unit is arranged in the display area of the display panel, an output end of the N-th auxiliary unit is electrically connected to the N-th scan line, an input end of the N-th auxiliary unit is electrically connected to the first line, a control end of the N-th auxiliary unit is electrically connected to an N+1-th scan line or a control end of the (N+1)-th auxiliary unit is electrically connected to an (N+2)-th scan line,
wherein the N-th auxiliary unit comprises a plurality of thin film transistors (TFTs), one of a source and a drain of at least one of the TFTs is electrically connected to the N-th scan line, and the other one of the source and the drain of the at least one TFT is electrically connected to the first line,
wherein a control end of the (N+2)-th auxiliary unit is electrically connected to an (N+3)-th scan line, a gate of the at least one TFT is electrically connected to the (N+1)-th scan line, the (N+2)-th scan line, or the (N+3)-th scan line,
wherein the N-th scan line is electrically connected to one of the source and the drain of each TFT to form a plurality of corresponding connection nodes on the N-th scan line, and the N-th level scan signal is input from at least one end of the N-th scan line; wherein when the N-th level scan signal is input from one end of the N-th scan line, a density of the connection nodes close to another end of the N-th scan line is greater than a density of the connection nodes close to the one end of the N-th scan line from which the N-th level scan signal is input; when the N-th level scan signal is input from two ends of the N-th scan line, a density of the connection nodes in a middle of the N-th scan line is greater than a density of the connection nodes close to any end of the N-th scan line.
7 . The display device according to claim 6 , wherein the TFTs are N-channel TFTs, and the first line is configured to transmit a constant low-potential signal.
8 . The display device according to claim 7 , wherein the first line is an (N+X)-th scan line, and X is an integer greater than or equal to 3.
9 . The display device according to claim 6 , wherein the TFTs are P-channel TFTs, and the first line is configured to transmit a constant high-potential signal.
10 . The display device according to claim 9 , wherein the first line is an (N+X)-th scan line, and X is an integer greater than or equal to 3.