Organic light emitting display device and mother substrate of the same
View Patent ↗An organic light emitting display device may include a plurality of pixels, a plurality of scan lines for selectively applying a scan signal to the pixels, a plurality of data lines crossing the scan lines for applying a data signal to the respective pixels, a scan driver for applying a scan signal to the scan lines, and at least one first testing unit electrically connected to the scan driver, wherein at least one output line of the first testing unit is electrically connected to the scan driver, and at least one other output line of the first testing unit is electrically disconnected and in an electrically open state.
1. An organic light emitting display device, comprising:
a plurality of pixels;
a plurality of scan lines for selectively applying a scan signal to the pixels;
a plurality of data lines crossing the scan lines for applying a data signal to the respective pixels;
a scan driver for applying a scan signal to the scan lines; and
at least one first testing unit electrically connected to the scan driver, the first testing unit including a first line and a second line,
wherein at least the first line of the first testing unit is electrically connected to the scan driver, and at least the second line of the first testing unit is electrically disconnected and in an electrically open state.
2. The organic light emitting display device as claimed in claim 1 , wherein each of the pixels includes an organic light emitting diode.
3. The organic light emitting display device as claimed in claim 1 , further comprising a pad unit for receiving a driving signal from the outside.
4. The organic light emitting display device as claimed in claim 3 , wherein the first testing unit is electrically connected to the scan driver through the pad unit, and arranged in an edge region of the light emitting display device.
5. The organic light emitting display device as claimed in claim 1 , wherein the first testing unit is arranged within a distance of about 300 μm from one side edge of the light emitting display device.
6. The organic light emitting display device as claimed in claim 1 , wherein the first testing unit includes at least one logic gate.
7. The organic light emitting display device as claimed in claim 6 , wherein the logic gate comprises at least one of a NOR gate, a buffer and an inverter.
8. The organic light emitting display device as claimed in claim 7 , wherein the inverter is a tristate inverter.
9. The organic light emitting display device as claimed in claim 1 , further comprising a second testing/measuring unit arranged in an edge region of the light emitting display device.
10. The organic light emitting display device as claimed in claim 9 , wherein the second testing/measuring unit is electrically connected to any one of a plurality of the scan lines, and is connected to at least one line that is electrically disconnected and in an electrically open state.
11. The organic light emitting display device as claimed in claim 10 , wherein the second testing/measuring unit includes at least one logic gate.
12. The organic light emitting display device as claimed in claim 11 , wherein the logic gate includes at least one inverter.
13. The organic light emitting display device as claimed in claim 12 , wherein the inverter is a tristate inverter.
14. The organic light emitting display device as claimed in claim 1 , further comprising a transistor group having a plurality of transistors connected to respective first ends of the data lines.
15. The organic light emitting display device as claimed in claim 14 , wherein the data lines are directly connected to the pixels.
16. The organic light emitting display device as claimed in claim 15 , wherein the transistors provided in the transistor group are in a turned-off state to corresponding to a control signal supplied from the outside.
17. The organic light emitting display device as claimed in claim 15 , further comprising:
a data driver for supplying a data signal to the data lines; and
a data distributor connected between the data driver and respective second ends of the data lines to supply the data signals, supplied via at least one of output line of the data driver, to the plurality of the data lines.
18. The organic light emitting display device as claimed in claim 1 , further comprising:
a supporting substrate and
a sealing substrate, wherein
the pixels are sandwiched between the supporting substrate and the sealing substrate.
19. The organic light emitting display device as claimed in claim 18 , further comprising a sealer formed between the supporting substrate and the sealing substrate, and formed outside of the pixels.
20. The organic light emitting display device as claimed in claim 19 , wherein the sealer comprises at least one of a transition metal and a filler.
21. The organic light emitting display device as claimed in claim 20 , wherein the sealer is a frit.
22. The organic light emitting display device as claimed in claim 18 , wherein the sealing substrate is arranged so as to keep the first testing unit exposed.
23. The organic light emitting display device as claimed in claim 1 , further comprising at least one of a first wire group extending in a first direction on a border region of the light emitting display device, and a second wire group extending in a second direction on the border.
24. The organic light emitting display device as claimed in claim 23 , wherein ends of the first and second wire groups are electrically disconnected and maintained in an electrically open state.
25. The organic light emitting display device as claimed in claim 1 , wherein the second line of the first testing unit is not connected to a pad portion.
26. The organic light emitting display device as claimed in claim 1 , wherein the first line is directly connected to the scan driver.
27. The organic light emitting display device as claimed in claim 1 , wherein the second line is permanently maintained in the electrically open state.
28. An organic light emitting display device, comprising:
a plurality of pixels;
a plurality of scan lines for selectively applying a scan signal to the pixels;
a plurality of data lines crossing the scan lines for applying a data signal to the respective pixels;
a scan driver for applying a scan signal to the scan lines; and
at least one first testing unit electrically connected to the scan driver, the first testing unit including a first line and a second line,
wherein at least the first line of the first testing unit is electrically connected to the scan driver and/or a pad portion, and at least the second line of the first testing unit is electrically disconnected from the scan driver and the pad portion and in an electrically open state.
29. An organic light emitting display device, comprising:
a plurality of pixels;
a plurality of scan lines for selectively applying a scan signal to the pixels;
a plurality of data lines crossing the scan lines for applying a data signal to the respective pixels;
a scan driver for applying a scan signal to the scan lines; and
at least one first testing unit electrically connected to the scan driver, the first testing unit including a first line and a second line,
wherein at least the first line of the first testing unit is electrically connected to the scan driver, and at least the second line of the first testing unit is electrically disconnected and in an electrically open state, and
the first testing unit includes at least one logic gate, the logic gate including at least one of a NOR gate, a buffer, and an inverter.