Organic light-emitting display device with high resolution and high definition
An organic light-emitting display (OLED) device includes a substrate having a display area including a plurality of sub-pixels each comprising an anode, an organic emitting layer and a cathode, a first data line on the substrate and applying a first data voltage to a first sub-pixel emitting light of a first color and to a second sub-pixel emitting light of a second color different from the first color, and a first line disposed between the first data line and an anode overlapping the first data line among the anodes of the plurality of sub-pixels. Parasitic capacitance that may occur between the first data line and the anode overlapping with the first data line can be reduced, and color change in the sub-pixels can be suppressed.
1. An organic light-emitting display (OLED) device comprising:
a substrate having a display area including a plurality of sub-pixels each comprising an anode, an organic emitting layer and a cathode;
a first data line disposed on the substrate and configured to apply a first data voltage to a first sub-pixel emitting light of a first color and to a second sub-pixel emitting light of a second color different from the first color; and
a first line disposed between the first data line and an anode overlapping the first data line among the anodes of the plurality of sub-pixels,
wherein the first line is insulated from the first data line.
2. The OLED device of claim 1 , wherein a constant voltage is applied to the first line.
3. The OLED device of claim 1 , wherein the first sub-pixel and the second sub-pixel are alternately arranged in a same column.
4. The OLED device of claim 1 , further comprising:
a first voltage supply line applying a high-potential voltage to the first sub-pixel and the second sub-pixel,
wherein the first line overlaps with the first data line among the first data line and the first voltage supply line.
5. The OLED device of claim 4 , further comprising:
a second data line applying a second data voltage to a third sub-pixel emitting light of a third color different from the first color and the second color among the plurality of sub-pixels;
a second voltage supply line applying a high-potential voltage to the third sub-pixel; and
a second line disposed above the second data line, the first voltage supply line or the second voltage supply line.
6. The OLED device of claim 5 , wherein an anode of the first sub-pixel and an anode of the second sub-pixel overlap with the first data line,
wherein an anode of the third sub-pixel overlaps with the second data line,
wherein the first line is electrically connected to the first voltage supply line outside the display area, and
wherein the second line is in contact with the second voltage supply line through a plurality of contact holes in a planarization layer disposed over the second voltage supply line.
7. The OLED device of claim 6 , wherein the first line comprises a plurality of protrusions each in contact with the first voltage supply line through the respective contact holes in the planarization layer disposed over the first voltage supply line.
8. The OLED device of claim 5 , wherein an anode of the first sub-pixel and an anode of the second sub-pixel overlap with the second data line,
wherein an anode of the third sub-pixel overlaps with the first data line,
wherein the first line comprises a plurality of protrusions that is in contact with the second voltage supply line through a plurality of contact holes in a planarization layer disposed over the second voltage supply line, and
wherein the second line is electrically connected to the first voltage supply line outside the display area.
9. The OLED device of claim 8 , wherein the second line is electrically connected to the first voltage supply line through the plurality of contact holes in the display area.
10. The OLED device of claim 5 , further comprising:
a first planarization layer covering the first data line, the second data line, the first voltage supply line and the second voltage supply line; and
a second planarization layer on the first planarization layer,
wherein the first line and the second line are disposed between the first planarization layer and the second planarization layer, and
wherein the anodes of the plurality of sub-pixels are disposed on the second planarization layer.
11. The OLED device of claim 5 , wherein the first sub-pixel and the second sub-pixel are a red sub-pixel and a blue sub-pixel, respectively, or a blue sub-pixel and a red sub-pixel, respectively, and
wherein the third sub-pixel is a green sub-pixel.
12. The OLED device of claim 5 , further comprising:
a connection line intersecting the first line and the second line on a same plane and electrically connecting the first line with the second line,
wherein the first line, the second line and the connection line form a grid pattern and have an equal potential.
13. The OLED device of claim 1 , further comprising:
a plurality of link lines disposed in a bending area included in a non-display area of the substrate, the non-display area surrounding the display area; and
an anti-disconnection protective layer disposed on the plurality of link lines,
wherein the plurality of link lines transfers signals to the plurality of sub-pixels, and
wherein the plurality of link lines comprises a first link line and a second link line disposed in different layers.
14. The OLED device of claim 13 , wherein the plurality of link lines comprises a bending pattern structure configured to enlarge a cross-sectional area of the plurality of link lines in a direction perpendicular to a direction in which the plurality of link lines is bent.
15. The OLED device of claim 13 , wherein the first link line and the second link line are alternately arranged and do not overlap with each other.
16. The OLED device of claim 13 , wherein the plurality of link lines transfers signals to the plurality of sub-pixels from a drive IC.
17. An organic light-emitting display (OLED) device comprising:
a first data line applying a data voltage to sub-pixels emitting light of different colors;
a plurality of first anodes disposed to overlap with the first data line above the first data line; and
a first line disposed between the first data line and the plurality of first anodes such that the first line suppresses interference between the first data line and the plurality of first anodes when the OLED device displays a single color to thereby reduce variations in luminance among the sub-pixels comprising the plurality of first anodes,
wherein the first line is insulated from the first data line.
18. The OLED device of claim 17 , wherein the first line is supplied with a voltage for reducing parasitic capacitance between the first data line and the plurality of first anodes.
19. The OLED device of claim 17 , further comprising:
a second data line applying a data voltage to sub-pixels emitting light of a same color, the sub-pixels being different from the sub-pixels emitting light of the different colors;
a plurality of second anodes disposed to overlap with the second data line above the second data line;
a first voltage supply line supplying a high-potential voltage to the sub-pixels emitting light of the different colors;
a second voltage supply line supplying a high-potential voltage to the sub-pixels emitting light of the same color; and
a second line disposed on a layer where the first line is disposed.
20. The OLED device of claim 19 , wherein the first line is electrically connected to the first voltage supply line or the second voltage supply line through a plurality of contact holes in a planarization layer disposed over the first voltage supply line and the second voltage supply line, so as to reduce line resistance of the first voltage supply line or the second voltage supply line.
21. The OLED device of claim 20 , further comprising:
a connection line that is formed as a single piece with the first line and the second line and forms a grid pattern so as to reduce line resistance of the first line and the second line.