Display panel including load compensation units and display device
A display panel and a display device. Because the pixel distribution density in a second display subarea (A 12 ) is lower than that in a first display subarea (A 11 ), the quantities of sub-pixels (pix) connected to scanning lines are not completely the same; a sub-pixel row having the greatest quantity of sub-pixels (pix) in the display panel is taken as a reference sub-pixel row, the quantity of the sub-pixels (pix) of the reference sub-pixel row is taken as a reference value, a sub-pixel row having the quantity of sub-pixels (pix) smaller than the reference value is taken as a compensation sub-pixel row, and a scanning line connected to the compensation sub-pixel row is taken as a first scanning line; the display panel is provided with load compensation units corresponding to at least part of the first scanning lines, and the load compensation units are located in the second display subarea.
1. A display panel, comprising:
a display area; and a bezel area surrounding the display area, wherein the display area comprises: a plurality of sub-pixels arranged in an array, and scanning lines connected to rows of the sub-pixels respectively;
the display area comprises: a first display sub-area, and a second display sub-area, wherein the second display sub-area is arranged between the bezel area and the first display sub-area;
distribution density of sub-pixels in the second display sub-area is lower than distribution density of sub-pixels in the first display sub-area;
wherein a sub-pixel row having a greatest quantity of sub-pixels in the display panel is taken as a reference sub-pixel row, the quantity of sub-pixels in the reference sub-pixel row is taken as a reference value, sub-pixel rows each having a quantity of sub-pixels smaller than the reference value are taken as compensation sub-pixel rows, and scanning lines connected to the compensation sub-pixel rows respectively are taken as first scanning lines; and
the display panel is provided with load compensation units corresponding to at least part of the first scanning lines, and the load compensation units are arranged in the second display sub-area;
wherein the display panel further comprises shift register units which are connected to the scanning lines respectively; and wherein shift register units connected to the first scanning lines are arranged only in the second display sub-area; and
wherein each of the load compensation units comprises a compensation capacitor structure and a compensation resistor structure, and the compensation capacitor structure comprises a plurality of capacitors which are connected in parallel.
2. The display panel according to claim 1 , wherein the larger a quantity of sub-pixels connected to a first scanning line corresponding to a load compensation unit is, the smaller a compensation load value of the load compensation unit.
3. The display panel according to claim 2 , wherein
the larger the quantity of sub-pixels connected to the first scanning line corresponding to the compensation capacitor structure is, the smaller a capacitance value of the compensation capacitor structure.
4. The display panel according claim 3 , wherein the display area comprises a gate layer, a source-drain layer and a storage electrode layer; and
the compensation capacitor structure comprises a first electrode and a second electrode; wherein a layer where the first electrode is located is same as one of the gate layer, the source-drain layer and the storage electrode layer, a layer where the second electrode is located is same as another one of the gate layer, the source-drain layer and the storage electrode layer, and the first electrode and the second electrode are arranged on different layers.
5. The display panel according to claim 2 , wherein
the larger the quantity of sub-pixels connected to the first scanning line corresponding to the compensation resistor structure is, the smaller a resistance value of the compensation resistor structure.
6. The display panel according to claim 1 , wherein the display area is in a shape of rectangle; and
the display area comprises four second display sub-areas, and the four second display sub-areas are arranged at four corners of the rectangle respectively.
7. The display panel according to claim 1 , wherein the shift register units connected to the first scanning lines are arranged on a side, close to the first display sub-area, in the second display sub-areas.
8. The display panel according to claim 1 , wherein the compensation capacitor structure and compensation resistor structure do not overlap in a direction perpendicular to the display panel.
9. A display device, comprising a display panel, wherein the display panel comprises:
a display area; and a bezel area surrounding the display area, wherein the display area comprises: a plurality of sub-pixels arranged in an array, and scanning lines connected to rows of the sub-pixels respectively; the display area comprises:
a first display sub-area, and a second display sub-area,
wherein the second display sub-area is arranged between the bezel area and the first display sub-area; distribution density of sub-pixels in the second display sub-area is lower than distribution density of sub-pixels in the first display sub-area;
wherein a sub-pixel row having a greatest quantity of sub-pixels in the display panel is taken as a reference sub-pixel row, the quantity of sub-pixels in the reference sub-pixel row is taken as a reference value, sub-pixel rows each having a quantity of sub-pixels smaller than the reference value are taken as compensation sub-pixel rows, and scanning lines connected to the compensation sub-pixel rows respectively are taken as first scanning lines; and the display panel is provided with load compensation units corresponding to at least part of the first scanning lines, and the load compensation units are arranged in the second display sub-area;
wherein the display panel further comprises shift register units which are connected to the scanning lines respectively; and wherein shift register units connected to the first scanning lines are arranged only in the second display sub-area; and
wherein each of the load compensation units comprises a compensation capacitor structure and a compensation resistor structure, and the compensation capacitor structure comprises a plurality of capacitors which are connected in parallel.
10. The display device according to claim 9 , wherein the larger a quantity of sub-pixels connected to a first scanning line corresponding to a load compensation unit is, the smaller a compensation load value of the load compensation unit.
11. The display device according to claim 10 , wherein
the larger the quantity of sub-pixels connected to the first scanning line corresponding to the compensation capacitor structure is, the smaller a capacitance value of the compensation capacitor structure.
12. The display device according to claim 11 , wherein the display area comprises a gate layer, a source-drain layer and a storage electrode layer; and
the compensation capacitor structure comprises a first electrode and a second electrode; wherein a layer where the first electrode is located is same as one of the gate layer, the source-drain layer and the storage electrode layer, a layer where the second electrode is located is same as another one of the gate layer, the source-drain layer and the storage electrode layer, and the first electrode and the second electrode are arranged on different layers.
13. The display device according to claim 10 , wherein
the larger the quantity of sub-pixels connected to the first scanning line corresponding to the compensation resistor structure is, the smaller a resistance value of the compensation resistor structure.
14. The display device according to claim 9 , wherein the display area is in a shape of rectangle; and
the display area comprises four second display sub-areas, and the four second display sub-areas are arranged at four corners of the rectangle respectively.
15. The display device according to claim 9 , wherein the shift register units connected to the first scanning lines are arranged on a side, close to the first display sub-area, in the second display sub-areas.
16. The display device according to claim 9 , wherein the compensation capacitor structure and compensation resistor structure do not overlap in a direction perpendicular to the display panel.