Display panel comprising at least three sub-pixel regions for each sub-pixel and display device having the same
View Patent ↗The present invention provides a display panel. The display panel includes at least three sub-pixel regions. The sub-pixel regions are arranged along a direction of a scan line. A channel region of each driving TFT in the same sub-pixel region has a same width-to-length ratio. Along a direction from a signal input end to a signal output end of the scan line, the width-to-length ratio of the channel region of each driving TFT of any of the sub-pixel regions is smaller than that of a previous one of the sub-pixel regions.
1. A display panel, comprising:
at least three sub-pixel regions, wherein the sub-pixel regions are arranged along a direction of a scan line, the sub-pixel regions comprise a plurality of sub-pixels arranged in an array pattern, and each of the sub-pixels comprises at least one driving thin-film-transistor (TFT); and
wherein a channel region of each driving TFT in the same sub-pixel region has a same width-to-length ratio; and along a direction from a signal input end to a signal output end of the scan line, the width-to-length ratio of the channel region of each driving TFT of any of the sub-pixel regions is smaller than that of a previous one of the sub-pixel regions.
2. The display panel according to claim 1 , wherein the sub-pixel regions are equidistant along the direction of the scan line and a direction of a data line in the display panel.
3. The display panel according to claim 1 , wherein a shape of each sub-pixel region includes one or more of a rectangle, a parallelogram, a diamond, a triangle, a polygon, and an irregular planar pattern; and a shielding structure for preventing interference of signals is provided between each two adjacent ones of the sub-pixel regions.
4. The display panel according to claim 1 , wherein each of the sub-pixel regions has a same number of sub-pixels.
5. The display panel according to claim 1 , wherein each of the sub-pixels of a same color in each of the sub-pixel regions has a same number of driving TFTs.
6. The display panel according to claim 1 , wherein the channel region of each driving TFT of the sub-pixels of a same color in the sub-pixel regions along a direction of a same data line has the same width-to-length ratio.
7. The display panel according to claim 1 , wherein the channel region of each driving TFT of the sub-pixels of a same color in the sub-pixel regions along a direction of a same scan line has a gradually decreased width and a same length.
8. The display panel according to claim 1 , wherein pixel circuits disposed corresponding to each line of the arrayed sub-pixels are sequentially connected in series, and the pixel circuits disposed corresponding to each two adjacent lines of the sub-pixels are connected in parallel.
9. The display panel according to claim 1 , wherein the sub-pixels include a switching TFT, the driving TFT, a detecting TFT, a storage capacitor, and an organic light-emitting diode, and a detection voltage connected to the detecting TFT is a constant voltage.
10. The display panel according to claim 1 , wherein a scan voltage is applied to each of the sub-pixels of a same row through a same scan signal line; and a data voltage is applied to each of the sub-pixels of a same column through a same data signal line.
11. A display device, comprising:
a display panel, wherein the display panel comprises:
at least three sub-pixel regions, wherein the sub-pixel regions are arranged along a direction of a scan line, the sub-pixel regions comprise a plurality of sub-pixels arranged in an array pattern, and each of the sub-pixels comprises at least one driving thin-film-transistor (TFT); and
wherein a channel region of each driving TFT in the same sub-pixel region has a same width-to-length ratio; and along a direction from a signal input end to a signal output end of the scan line, the width-to-length ratio of the channel region of each driving TFT of any of the sub-pixel regions is smaller than that of a previous one of the sub-pixel regions.
12. The display device according to claim 11 , wherein the sub-pixel regions are equidistant along the direction of the scan line and a direction of a data line in the display panel.
13. The display device according to claim 11 , wherein each sub-pixel region comprises one or more of a rectangle, a parallelogram, a diamond, a triangle, a polygon, or an irregular planar pattern; and a shielding structure for preventing interference of signals is provided between each two adjacent ones of the sub-pixel regions.
14. The display device according to claim 11 , wherein each of the sub-pixel regions has a same number of sub-pixels.
15. The display device according to claim 11 , wherein the sub-pixels of a same color in each of the sub-pixel regions has a same number of driving TFTs.
16. The display device according to claim 11 , wherein the channel region of each driving TFT of the sub-pixels of a same color in the sub-pixel regions along a direction of a same data line has the same width-to-length ratio.
17. The display device according to claim 11 , wherein the channel region of each driving TFT of the sub-pixels of a same color in the sub-pixel regions along a direction of a same scan line has a gradually decreased width and a same length.
18. The display device according to claim 11 , wherein pixel circuits disposed corresponding to each line of the arrayed sub-pixels are sequentially connected in series, and the pixel circuits disposed corresponding to each two adjacent lines of the sub-pixels are connected in parallel.
19. The display device according to claim 11 , wherein the sub-pixels include a switching TFT, the driving TFT, a detecting TFT, a storage capacitor, and an organic light-emitting diode, and a detection voltage connected to the detecting TFT is a constant voltage.
20. The display panel according to claim 11 , wherein a scan voltage is applied to each of the sub-pixels of a same row through a same scan signal line; and a data voltage is applied to each of the sub-pixels of a same column through a same data signal line.