Display panel and display unit
View Patent ↗A display panel includes a plurality of pixels, and a plurality of signal lines and a plurality of power lines. The plurality of pixels are disposed in matrix. The plurality of signal lines and the plurality of power lines both extend in a column direction. The plurality of power lines include a plurality of first power lines assigned to respective odd-numbered pixel rows and a plurality of second power lines assigned to respective even-numbered pixel rows. The first power lines are electrically coupled to one another. The second power lines are electrically coupled to one another.
1. A display panel, comprising:
a plurality of pixels disposed in a matrix, each of the plurality of pixels including an organic electroluminescence device and a drive transistor; and
a plurality of signal lines and a plurality of power lines both extending in a column direction, the plurality of power lines including
a plurality of first power lines assigned to respective odd-numbered pixel rows of the pixels and electrically coupled to one another, the plurality of first power lines being connected to the respective drive transistors in each pixel of the odd-numbered pixel rows, and
a plurality of second power lines assigned to respective even-numbered pixel rows of the pixels and electrically coupled to one another, the plurality of second power lines being connected to the respective drive transistors in each pixel of the even-numbered pixel rows,
wherein the display panel is configured to be driven by a drive circuit,
wherein the drive circuit divides one frame period into two periods of a first half and a second half and causes the odd-numbered pixel rows and the even-numbered pixel rows to perform emission operation alternately,
wherein the drive circuit causes each of the pixels included in the even-numbered pixel rows to emit light and extinguishes each of the pixels included in the odd-numbered pixel rows during the first half of the 1F period,
wherein the drive circuit extinguishes each of the pixels included in the even-numbered pixel rows and causes each of the pixels included in the odd-numbered pixel rows to emit light during the second half of the one frame period,
wherein the drive circuit performs a correction processing for each of the pixels included in the even-numbered pixel rows together with the extinction during the period in which the driver circuit extinguishes each of the pixels included in the even-numbered pixel rows, and
wherein the drive circuit performs the correction processing for each of the pixels included in the odd-numbered pixel rows together with the extinction during the period in which the driver circuit extinguishes each of the pixels included in the odd-numbered pixel rows.
2. The display panel according to claim 1 , wherein
one of the first power lines is assigned to each unit of two of the pixels adjacent to each other in each of the odd-numbered pixel rows, and
one of the second power lines is assigned to each unit of two of the pixels adjacent to each other in each of the even-numbered pixel rows.
3. The display panel according to claim 2 , wherein the two of the pixels assigned to each of the first power lines and the two of the pixels assigned to each of the second power lines are disposed to be staggered by one pixel.
4. The display panel according to claim 1 , wherein
each of the pixels include a plurality of subpixels,
one of the first power lines is assigned to each unit of two of the subpixels adjacent to each other in each of the odd-numbered pixel rows, and
one of the second power lines is assigned to each unit of two of the subpixels adjacent to each other in each of the even-numbered pixel rows.
5. The display panel according to claim 4 , wherein the two of the subpixels assigned to each of the first power lines and the two of the subpixels assigned to each of the second power lines are disposed to be staggered by one subpixel.
6. The display panel according to claim 1 , wherein each of the power lines and each of the signal lines are disposed in a same layer.
7. A display unit with a display panel and a drive circuit that drives the display panel, the display panel comprising:
a plurality of pixels disposed in a matrix, each of the plurality of pixels including an organic electroluminescence device and a drive transistor; and
a plurality of signal lines and a plurality of power lines both extending in a column direction, the plurality of power lines including
a plurality of first power lines assigned to respective odd-numbered pixel rows of the pixels and electrically coupled to one another, the plurality of first power lines being connected to the respective drive transistors in each pixel of the odd-numbered pixel rows, and
a plurality of second power lines assigned to respective even-numbered pixel rows of the pixels and electrically coupled to one another, the plurality of second power lines being connected to the respective drive transistors in each pixel of the even-numbered pixel rows,
wherein the drive circuit divides one frame period into two periods of a first half and a second half and causes the odd-numbered pixel rows and the even-numbered pixel rows to perform emission operation alternately,
wherein the drive circuit causes each of the pixels included in the even-numbered pixel rows to emit light and extinguishes each of the pixels included in the odd-numbered pixel rows during the first half of the 1F period,
wherein the drive circuit performs a correction processing for each of the pixels included in the even-numbered pixel rows together with the extinction during the period in which the driver circuit extinguishes each of the pixels included in the even-numbered pixel rows, and
wherein the drive circuit performs the correction processing for each of the pixels included in the odd-numbered pixel rows together with the extinction during the period in which the driver circuit extinguishes each of the pixels included in the odd-numbered pixel rows.
8. The display unit according to claim 7 , wherein
one of the first power lines is assigned to each unit of two of the pixels adjacent to each other in each of the odd-numbered pixel rows, and
one of the second power lines is assigned to each unit of two of the pixels adjacent to each other in each of the even-numbered pixel rows.
9. The display unit according to claim 8 , wherein the two of the pixels assigned to each of the first power lines and the two of the pixels assigned to each of the second power lines are disposed to be staggered by one pixel.
10. The display unit according to claim 7 , wherein
each of the pixels include a plurality of subpixels,
one of the first power lines is assigned to each unit of two of the subpixels adjacent to each other in each of the odd-numbered pixel rows, and
one of the second power lines is assigned to each unit of two of the subpixels adjacent to each other in each of the even-numbered pixel rows.
11. The display unit according to claim 10 , wherein the two of the subpixels assigned to each of the first power lines and the two of the subpixels assigned to each of the second power lines are disposed to be staggered by one subpixel.
12. The display unit according to claim 7 , wherein each of the power lines and each of the signal lines are disposed in the same layer.