Liquid crystal display device
View Patent ↗A liquid crystal display device includes: a plurality of pixel circuits which is arranged in a matrix shape; a plurality of data lines; a selection unit which sequentially selects the plurality of pixel circuits for every group which is fewer in number than the number of rows of the pixel circuits; a control unit which sequentially changes the pixel circuits included in the groups; and a data signal supply unit which outputs a data signal to each data line. Each of the plurality of sequentially selected pixel circuits is connected to each of the different data lines.
1. A liquid crystal display device comprising:
a plurality of pixel circuits which are arranged in a matrix;
a plurality of data lines;
a selection unit which sequentially selects groups of the pixels circuits, wherein the groups respectively contain either one row of the pixel circuits or adjacent rows of the pixel circuits;
a control unit which sequentially changes a selection state of the groups of the pixel circuits between a first selection state and a second selection state every selected frame number;
wherein in the first selection state, the pixel circuits are divided into groups connected to each of two scanning lines sequentially continuous from the first scanning line, and each group is sequentially selected;
wherein in the second selection state, the pixel circuits are divided into a group connected to the first scanning line and the remaining groups connected to each of two scanning lines sequentially continuous from the second scanning line, and a group and the remaining groups sequentially selected;
a data signal supply unit which outputs a data signal to each data line, and inverts polarity of a potential applied to each of the pixel circuits via the data line every inversion frame number;
wherein the pixel circuits included in the groups are connected to each of the different data lines; and
wherein the number of the selected frame number is different from the number of the inversion frame number.
2. The liquid crystal display device according to claim 1 ,
wherein the control unit sequentially changes the pixel circuits included in corresponding one of the groups every one or more frames so as to overlap a part of the pixel circuits.
3. The liquid crystal display device according to claim 1 ,
wherein the scanning lines are connected to the selection unit and the pixel circuit of the row,
wherein the selection unit sequentially selects the pixel circuits for every group of the plurality of pixel circuits connected to one or more continuous scanning lines.
4. The liquid crystal display device according to claim 3 ,
wherein polarity of a potential of the data signal supplied to the pixel circuits of a column is different from polarity of a potential of the data signal supplied to the pixel circuit of the adjacent column.
5. The liquid crystal display device according to claim 3 ,
wherein the control unit repeats switching between the first and second selection states every one or more frames, wherein, in the first selection state, each of the groups includes an odd row and an even row of the pixel circuits, starting with the first odd row, and in the second selection state, a first group contains only the first odd row of the pixel circuits, a last group contains only the last even row of the pixel circuits, and each group between the first group and the last group includes an even row and an adjacent odd row of the pixel circuits.
6. The liquid crystal display device according to claim 1 ,
wherein one of the number of the selection frame number and the number of the inversion frame number, is one and the other number is two.
7. A liquid crystal display device comprising:
a plurality of pixel circuits which are arranged in a matrix;
a plurality of data lines;
a selection unit which sequentially selects groups of the pixels circuits, wherein the groups respectively contain either one row of the pixel circuits or adjacent rows of the pixel circuits;
a control unit which sequentially changes a selection state of the groups of the pixel circuits between a first selection state and a second selection state every selected frame number;
wherein in the first selection state, the pixel circuits are divided into groups connected to each of N scanning lines sequentially continuous from the first scanning lines, and each group is sequentially selected, where N is at least 3;
wherein in the second selection state, the pixel circuits are divided into a group connected to the first scanning line and the remaining groups connected to each of N scanning lines sequentially continuous from the second scanning line, and a group and the remaining groups sequentially selected;
a data signal supply unit which outputs a data signal to each data line, and inverts polarity of a potential applied to each of the pixel circuits via the data line every inversion frame number;
wherein the pixel circuits included in the groups are connected to each of the different data lines; and
wherein the number of the selected frame number is different from the number of the inversion frame number.
8. The liquid crystal display device according to claim 7 ,
wherein the control unit sequentially changes the pixel circuits included in corresponding one of the groups every one or more frames so as to overlap a part of the pixel circuits.
9. The liquid crystal display device according to claim 7 ,
wherein the scanning lines are connected to the selection unit and the pixel circuit of the row,
wherein the selection unit sequentially selects the pixel circuits for every group of the plurality of pixel circuits connected to one or more continuous scanning lines.
10. The liquid crystal display device according to claim 9 ,
wherein polarity of a potential of the data signal supplied to the pixel circuits of a column is different from polarity of a potential of the data signal supplied to the pixel circuit of the adjacent column.
11. The liquid crystal display device according to claim 9 ,
wherein the control unit repeats switching between the first and second states every one or more frames, wherein, in the first selection state, each of the groups includes an odd row and an even row of the pixel circuits, starting with the first odd row, and, in the second selection state, a first group contains only the first odd row of the pixel circuits, a last group contains only the last even row of the pixel circuits, and each group between the first group and the last group includes an even row and an adjacent odd row of the pixel circuits.
12. The liquid crystal display device according to claim claim 7 ,
wherein one of the number of the selection frame number and the number of the inversion frame number, is one and the other number is two.