Organic light emitting diode display including penetrated portion

1. An organic light emitting diode (OLED) display comprising:

a substrate comprising a penetrated portion in a display area for displaying an image, a light emission region neighboring the penetrated portion, and a side wall between the light emission region and the penetrated portion;

an OLED on the light emission region of the substrate;

a thin film transistor between the substrate and the OLED and coupled to the OLED, the thin film transistor comprising:

an active layer on the substrate;

a gate electrode on the active layer; and

source and drain electrodes on the gate electrode and coupled to the active layer; and

a first sub-insulating layer between and directly contacting both the substrate and the active layer, the first sub-insulating layer extending from the light emission region onto the side wall of the substrate,

wherein the first sub-insulating layer contacts the side wall of the substrate.

2. The OLED display of claim 1 , wherein the substrate is flexible.

3. The OLED display of claim 2 , wherein the substrate comprises an organic material.

4. The OLED display of claim 1 , wherein the penetrated portion comprises a plurality of penetrated portions, and each of the plurality of penetrated portions is separated from one another.

5. The OLED display of claim 4 , wherein the plurality of penetrated portions are arranged in a matrix form across the substrate.

6. The OLED display of claim 1 , further comprising:

a second sub-insulating layer on the first sub-insulating layer and covering the active layer; and

a third sub-insulating layer on the second sub-insulating layer and covering the gate electrode.

7. The OLED display of claim 6 , wherein

the first sub-insulating layer, the second sub-insulating layer, and the third sub-insulating layer are sequentially laminated on the side wall of the substrate.

8. The OLED display of claim 1 , further comprising a second insulating layer neighboring the OLED, wherein

the second insulating layer extends from the OLED to above the side wall of the substrate.

9. The OLED display of claim 8 , wherein the second insulating layer covers the thin film transistor.

10. The OLED display of claim 9 , wherein the OLED comprises:

a first electrode coupled to the thin film transistor;

an organic emission layer on the first electrode; and

a second electrode on the organic emission layer.

11. The OLED display of claim 10 , wherein the second insulating layer comprises:

a fourth sub-insulating layer between the thin film transistor and the first electrode; and

a fifth sub-insulating layer between the fourth sub-insulating layer and the second electrode.

12. The OLED display of claim 11 , wherein the fourth and fifth sub-insulating layers are sequentially laminated on the side wall of the substrate.

13. The OLED display of claim 1 , further comprising a thin film encapsulation layer on the OLED.

14. The OLED display of claim 13 , wherein the thin film encapsulation layer extends from the OLED to above the side wall of the substrate adjacent the penetrated portion.

15. The OLED display of claim 14 , wherein the thin film encapsulation layer comprises a plurality of layers, and the uppermost one of the plurality of layers comprises an inorganic material.

16. The OLED display of claim 15 , wherein at least one of the plurality of layers of the thin film encapsulation layer is a patterned metal layer.

17. The OLED display of claim 13 , further comprising:

a first polarizer attached to a surface of the thin film encapsulation layer and covering the penetrated portion; and

a second the polarizer attached to a rear side of substrate and covering the penetrated portion.

18. The OLED display of claim 1 , wherein an upper surface of the substrate at the light emission region and the side wall of the substrate form an obtuse angle.