Organic light-emitting diode display device
View Patent ↗An organic light-emitting diode display (OELD) device is presented that reduces the number of outputs of a data driver. The OELD device includes data and scan lines which cross each other. Pixel cells that contain organic electro-luminescence diodes are arranged in a matrix in pixel areas between the data lines and the scan lines. The pixel cells are arranged in different colors in a vertical direction and in the same color in a horizontal direction. A data driver supplies data to the data lines. A scan driver supplies a scan signal to the scan lines.
1. An organic light-emitting diode display device, comprising:
a plurality of data lines and a plurality of scan lines which cross each other;
a plurality of pixel cells arranged in a matrix in pixel areas between the data lines and the scan lines, the pixel cells containing organic electro-luminescence diodes, the pixel cells arranged in different colors in a vertical direction and in the same color in a horizontal direction;
a data driver operative to supply data to the data lines; and
a scan driver operative to supply a scan signal to the scan lines.
2. The organic light-emitting diode display device according to claim 1 , wherein
the pixel cells include red pixel cells, green pixel cells, and blue pixel cells, and
the pixel cells are repeatedly arranged in the vertical direction in order: red, green, and blue.
3. The organic light-emitting diode display device according to claim 1 , wherein the scan driver includes:
a level shifter operative to change a signal level of a scan signal inputted from outside;
a shift register operative to sequentially supply a signal outputted from the level shifter to the scan lines; and
a control signal operative to control the level shifter and the shift register.
4. The organic light-emitting diode display device according to claim 1 , further comprising a pixel driving thin film transistor operative to drive the pixel cell, wherein the pixel driving thin film transistor and a thin film transistor included in the scan driver each comprise at least one of a poly silicon layer or an amorphous silicon layer.
5. The organic light-emitting diode display device according to claim 1 , wherein the display has a resolution of m×n, p different colors of pixel cells are present in the display, the data driver has m/p outputs, and the scar driver has p×n outputs.
6. The organic light-emitting diode display device according to claim 5 , wherein p=3.
7. The organic light-emitting diode display device according to claim 6 , wherein the colors of the pixel cells are red, green, and blue.
8. The organic light-emitting diode display device according to claim 5 , wherein the number of outputs from the data and scan drivers correspond one-to-one with the number of pixel cells in the horizontal and vertical directions, respectively.
9. The organic light-emitting diode display device according to claim 1 , wherein each pixel cell comprises a pixel driving thin film transistor disposed such that the organic electro-luminescence diode is connected to the associated scan and data lines through the pixel driving thin film transistor.
10. An organic light-emitting diode display device, comprising:
a display panel which has a plurality of data lines and a plurality of scan lines crossing each other and a plurality of pixel cells arranged in a matrix in pixel areas between the data lines and the scan lines, the pixel cells containing organic electro-luminescence diodes,
wherein the pixel cells are arranged in different colors in a vertical direction and in the same color in a horizontal direction.
11. The organic light-emitting diode display device according to claim 10 , wherein the display has a resolution of m×n, p different colors of pixel cells are present in the display, the number of pixel cells in the horizontal direction is m/p, and the number of pixel cells in the vertical direction is p×n.
12. The organic light-emitting diode display device according to claim 11 , wherein p=3.
13. The organic light-emitting diode display device according to claim 12 , wherein the colors of the pixel cells are red, green, and blue.
14. A driving method of an organic light-emitting diode display device, the method comprising:
providing a display panel having a plurality of data lines and a plurality of scan lines crossing each other to form a plurality of pixel cells, the pixel cells containing organic electro-luminescence diodes, the pixel cells arranged in different colors in a vertical direction and in the same color in a horizontal direction;
supplying a data to the data lines; and
supplying a scan signal to the scan lines of the pixel cells.
15. The driving method according to claim 14 , wherein:
the pixel cells include red pixel cells, green pixel cells, and blue pixel cells, and
the pixel cells are arranged in the vertical direction in order: red, green, and blue.
16. The method according to claim 14 , wherein the display has a resolution of m×n, p different colors of pixel cells are present in the display, the data driver has m/p outputs, and the scan driver has p×n outputs.
17. The method according to claim 16 , wherein p=3.
18. The method according to claim 17 , wherein the colors of the pixel cells are red, green, and blue.
19. The method according to claim 16 , wherein the number of outputs from the data and scan drivers correspond one-to-one with the number of pixel cells in the horizontal and vertical directions, respectively.