Display device having a planar surface portion and a curved surface portion
A bent display device including: a display panel including a planar surface portion and a curved surface portion at an edge of the planar surface portion; a window having substantially the same shape as a shape of the display panel and disposed on the display panel; a first touch sensor overlapping the planar surface portion; and a second touch sensor overlapping the curved surface portion. The first touch sensor and the second touch sensor detect a touch using different methods, respectively.
1. A bent display device comprising:
a display panel comprising a planar surface portion and a curved surface portion disposed at an edge of the planar surface portion;
a window disposed on the display panel and having a substantially same shape as a shape of the display panel;
a first touch sensor disposed to overlap the planar surface portion; and
a second touch sensor disposed to overlap the curved surface portion,
wherein:
the first touch sensor and the second touch sensor are configured to detect a touch using different methods, respectively;
the second touch sensor comprises an optical touch sensor;
the first touch sensor is disposed on a first surface of the display panel; and
the second touch sensor is disposed on a second surface of the display panel, the second surface being opposite to the first surface.
2. The bent display device as claimed in claim 1 , wherein the first touch sensor is a capacitive touch sensor.
3. The bent display device as claimed in claim 1 , wherein the first touch sensor has a substantially same shape as a shape of the planar surface portion on a plane.
4. The bent display device as claimed in claim 1 , wherein the second touch sensor has a substantially same shape as a shape of the curved surface portion on a plane.
5. The bent display device as claimed in claim 1 , wherein the first touch sensor and the second touch sensor comprise different driving units, respectively.
6. The bent display device as claimed in claim 1 , wherein the display panel is an organic light emitting diode display panel.
7. The bent display device as claimed in claim 1 , wherein the first touch sensor is disposed between the display panel and the window.
8. The bent display device as claimed in claim 1 , wherein the first touch sensor is disposed inside the display panel.
9. The bent display device as claimed in claim 1 , wherein the second touch sensor is disposed between the display panel and the window.
10. The bent display device as claimed in claim 1 , wherein the second surface is disposed on a rear surface of the display panel.
11. The bent display device as claimed in claim 10 , wherein the curved surface portion comprises:
a pixel area at which an image is displayed; and
a transmissive area, disposed between the pixel areas, through which a light is transmitted.
12. A bent display device comprising:
a display panel comprising a planar surface portion and a curved surface portion disposed at an edge of the planar surface portion;
a window disposed on the display panel and having a substantially same shape as a shape of the display panel;
a first touch sensor disposed to overlap the planar surface portion; and
a second touch sensor disposed on a rear surface of the display panel to overlap the curved surface portion,
wherein:
the first touch sensor and the second touch sensor are configured to detect a touch using different methods, respectively;
the curved surface portion comprises:
a pixel area at which an image is displayed; and
a transmissive area, disposed between the pixel areas, through which a light is transmitted; and
the transmissive area gradually increases from a boundary between the planar surface portion and the curved surface portion toward an edge of the display panel.
13. A bent display device comprising:
a display panel comprising a planar surface portion and a curved surface portion disposed at an edge of the planar surface portion;
a window disposed on the display panel and having a substantially same shape as a shape of the display panel;
a first touch sensor disposed to overlap the planar surface portion; and
a second touch sensor disposed on a rear surface of the display panel to overlap the curved surface portion,
wherein:
the first touch sensor and the second touch sensor are configured to detect a touch using different methods, respectively;
the display panel comprises:
a first pixel disposed at the planar surface portion and configured to display an image; and
a second pixel disposed at the curved surface portion and configured to display an image; and
an area of the first pixel is larger than an area of the second pixel.