Organic light emitting display apparatus
An organic light emitting display apparatus includes a first base substrate which includes a first light emitting area, a second light emitting area and a mirror area, and a second base substrate facing the first base substrate and having a first mirror layer disposed on the second base substrate. The first light emitting area includes a first thin film transistor electrically connected to a scan line, a first pixel electrode connected to the first thin film transistor, and a first light emitting structure disposed on the first pixel electrode. The second light emitting area includes a second thin film transistor electrically connected to an auxiliary scan signal line, a second pixel electrode connected to the second thin film transistor, and a second light emitting structure disposed on the second pixel electrode.
1. An organic light emitting display apparatus comprising:
a first base substrate including a first light emitting area, a second light emitting area and a mirror area; and
a second base substrate facing the first base substrate and having a first mirror layer disposed on the second base substrate,
wherein the first light emitting area including;
a first thin film transistor electrically connected to a scan line,
a first pixel electrode connected to the first thin film transistor, and
a first light emitting structure disposed on the first pixel electrode, and
wherein the second light emitting area including;
a second thin film transistor electrically connected to an auxiliary scan signal line,
a second pixel electrode connected to the second thin film transistor, and
a second light emitting structure disposed on the second pixel electrode.
2. The organic light emitting display apparatus of claim 1 , wherein the first mirror layer defines openings which overlap the first pixel electrode and the second pixel electrode.
3. The organic light emitting display apparatus of claim 2 , further comprising:
a thin film mirror layer overlapping the second pixel electrode, the thin film mirror layer being a transflective film configured to partially reflect and partially transmit light.
4. The organic light emitting display apparatus of claim 3 , wherein the thin film mirror layer partially overlaps the first mirror layer.
5. The organic light emitting display apparatus of claim 3 , wherein the thin film mirror layer makes contact with the second base substrate.
6. The organic light emitting display apparatus of claim 5 , wherein the thin film mirror layer is disposed between the first mirror layer and the second base substrate.
7. The organic light emitting display apparatus of claim 3 , wherein thickness of the thin film mirror layer is smaller than that of the first mirror layer.
8. The organic light emitting display apparatus of claim 2 , further comprising:
a second mirror layer which overlaps the first mirror layer and the openings of the first mirror layer.
9. The organic light emitting display apparatus of claim 1 , wherein the first light emitting structure and the second light emitting structure emit light having same color.
10. The organic light emitting display apparatus of claim 1 , wherein the first thin film transistor is electrically connected to a first switching element, the first switching element being connected to the scan line,
wherein the second thin film transistor is electrically connected to a second switching element, the second switching element being connected to the auxiliary scan signal line, and
wherein the data line is electrically connected to the first switching element and the second switching element.
11. The organic light emitting display apparatus of claim 10 , wherein the auxiliary scan signal line selectively supplies a gate on signal to the second switching element when external light is stronger than a predetermined intensity.
12. The organic light emitting display apparatus of claim 11 , wherein same data signal is applied to the first switching element and the second switching element.
13. The organic light emitting display apparatus of claim 11 ,
the auxiliary scan signal line supplies a gate off signal to the second switching element when external light is weaker than a predetermined intensity.
14. The organic light emitting display apparatus of claim 1 , wherein the first mirror layer has a first thickness and defines an opening exposing the first pixel electrode, and
wherein the first mirror layer has a second thickness in an area overlapping the second pixel electrode, the second thickness being smaller than the first thickness.
15. The organic light emitting display apparatus of claim 14 , wherein the first mirror layer having the first thickness completely reflects external light and the first mirror layer having the second thickness partially reflects and partially transmits the external light.
16. An organic light emitting display apparatus comprising:
a first pixel to which a first data signal is applied, the first pixel being connected to a scan line;
a first auxiliary pixel to which the first data signal is applied, the first auxiliary pixel being disposed adjacent to the first pixel and connected to an auxiliary scan signal line which supplies an auxiliary scan signal; and
a first mirror layer which defines an opening corresponding to the first pixel,
wherein the auxiliary scan signal turns on a switch connected to the first auxiliary pixel only when external light is stronger than a predetermined intensity.
17. The organic light emitting display apparatus of claim 16 , wherein, when the external light is weaker than the predetermined intensity, the auxiliary scan signal turns off the switch connected to the first auxiliary pixel.
18. The organic light emitting display apparatus of claim 17 , wherein the first pixel and the first auxiliary pixel emit light having a first color.
19. The organic light emitting display apparatus of claim 18 , further comprising:
a second pixel to which a second data signal is applied; and
a second auxiliary pixel to which the second data signal is applied, the second auxiliary pixel being disposed adjacent to the second pixel,
wherein the second pixel and the second auxiliary pixel emit light having a second color which is different from the first color and the first auxiliary pixel and the second auxiliary pixel are turned on/off at the same time.
20. An organic light emitting display apparatus having a plurality of unit pixels, the unit pixel comprising:
a first light emitting area, a second light emitting area and a mirror area,
wherein, in a first driving mode in which external light is weaker than a predetermined intensity, the first light emitting area emits light to display an image, the mirror area reflects external light, and the second light emitting area does not emit light and, in a second driving mode in which external light is stronger than the predetermined intensity, the first light emitting area and the second light emitting area emit light to display an image, and the mirror area reflects external light.