Organic electroluminescent device and method of fabricating the same
View Patent ↗An organic electroluminescent device is disclosed which includes: first and second pixel regions defined by first and second gate lines and data lines crossing each other; first sub-pixels arranged in the first pixel region close to the first gate line; first driving cells arranged between the first sub-pixels; second sub-pixels arranged in the second pixel region close to the second gate line; and second driving cells arranged between the second sub-pixels.
1. An organic electroluminescent device comprising:
a plurality of first light emitting sub-pixels arranged in a row along a first direction;
a plurality of second light emitting sub-pixels arranged in the row along the first direction, the first light emitting sub-pixels being offset from the second light emitting sub-pixels in a second direction that is perpendicular to the first direction; and
a first gate line extending along the first direction and adjacent to a first side of the row, the first gate line including a first section, a second section offset from the first section in the second direction, and a transition section between the first section and the second section.
2. The organic electroluminescent device of claim 1 , wherein the first sub-pixels are offset from the second sub-pixels by more than half a nozzle pitch, the nozzle pitch being a distance between ink nozzles used to supply pigment onto the first and second sub-pixels.
3. The organic electroluminescent device of claim 1 , wherein groups of the first sub-pixels alternate with groups of the second sub-pixels along the first direction.
4. The organic electroluminescent device of claim 1 , wherein individual first sub-pixels alternate with individual second sub-pixels along the first direction.
5. The organic electroluminescent device of claim 1 , further comprising:
a second gate line extending along the first direction and adjacent to a second side of the row.
6. The organic electroluminescent device of claim 1 , wherein,
the plurality of first sub-pixels are located at one side of the transition section and the plurality of second sub-pixels are located at an opposite side of the transition section.
7. The organic electroluminescent device of claim 6 , wherein the transition section has a stepped shape.
8. An organic electroluminescent device comprising:
a plurality of first light emitting sub-pixels arranged in a row along a first direction;
a plurality of second light emitting sub-pixels arranged in the row along the first direction, the first light emitting sub-pixels being offset from the second light emitting sub-pixels in a second direction that is perpendicular to the first direction;
a first gate line extending along the first direction and adjacent to a first side of the row; and
a second gate line extending along the first direction and adjacent to a second side of the row, a shortest distance between the first sub-pixels and the first gate line being greater than a shortest distance between the first sub-pixels and the second gate line, and a shortest distance between the second sub-pixels and the first gate line being smaller than a shortest distance between the second sub-pixels and the second gate line.
9. The organic electroluminescent device of claim 8 , wherein
the shortest distance between the first sub-pixels and the first gate line is greater than half a nozzle pitch, the nozzle pitch being a distance between ink nozzles used to supply pigment to the first and second sub-pixels, and
the shortest distance between the first sub-pixels and the second gate line is less than half the nozzle pitch.
10. An organic electroluminescent device comprising:
a plurality of first light emitting sub-pixels arranged in a row along a first direction, each of the plurality of first light emitting sub-pixel including organic material that is longer along a second direction than along the first direction;
a plurality of second light emitting sub-pixels arranged in the row along the first direction, the first light emitting sub-pixels being offset from the second light emitting sub-pixels in the second direction that is perpendicular to the first direction; and
a plurality of driving cells to drive the first sub-pixels, the driving cells arranged along the first direction in areas between adjacent first sub-pixels.
11. The organic electroluminescent device of claim 10 , wherein the driving cells are arranged as pairs of driving cells in the areas between adjacent first sub-pixels.
12. The organic electroluminescent device of claim 11 , wherein each pair of driving cells is separated from an adjacent pair of driving cells by two first sub-pixels.