Display apparatus and driving method thereof

1 . A display apparatus, comprising:

a subpixel including a driving transistor and at least two light emitting devices;

a display panel including a first display area and a second display area, each of the first display area and the second display area displaying an image based on light emitted from the subpixel; and

a display panel driving circuit configured to drive the display panel,

wherein the display panel operates in a first driving mode during which one of the at least two light emitting devices emit light,

wherein the display panel operates in a second driving mode during which the at least two light emitting devices emit light, and

wherein the subpixel comprises:

the driving transistor including a gate electrode connected to a first node of the subpixel, a first electrode connected to a second node of the subpixel, the second node connected to a high-level voltage line, and a second electrode connected to a third node of the subpixel;

a first switching transistor including a gate electrode connected to a first scan line, and a first electrode connected to a data line;

a capacitor including a first electrode connected to a second electrode of the first switching transistor, and a second electrode connected to the first node;

a second switching transistor including a gate electrode connected to a second scan line, a first electrode connected to the first node, and a second electrode connected to the third node;

a third switching transistor including a gate electrode connected to an emission control line, a first electrode connected to a reference voltage line, and a second electrode connected to the first electrode of the capacitor;

a fourth switching transistor including a gate electrode connected to the emission control line, and a first electrode connected to the third node;

a fifth switching transistor including a gate electrode connected to the second scan line, a first electrode connected to the reference voltage line, and a second electrode connected to an anode electrode of a first light emitting device of the at least two light emitting devices;

a sixth switching transistor including a gate electrode connected to the second scan line, a first electrode connected to the reference voltage line, and a second electrode connected to an anode electrode of a second light emitting device of the at least two light emitting devices;

a seventh switching transistor including a gate electrode connected to a first direction share signal line, a first electrode connected to a second electrode of the fourth switching transistor, and a second electrode connected to the anode electrode of the first light emitting device;

an eighth switching transistor including a gate electrode connected to a second direction share signal line, a first electrode connected to the second electrode of the fourth switching transistor, and a second electrode connected to the anode electrode of the first light emitting device;

a ninth switching transistor including a gate electrode connected to a second direction privacy signal line, and a first electrode connected to the second electrode of the fourth switching transistor; and

a tenth switching transistor including a gate electrode connected to a first direction privacy signal line, a first electrode connected to a second electrode of the ninth switching transistor, and a second electrode connected to the anode electrode of the second light emitting device,

wherein the first electrode of the eighth switching transistor is connected to the first electrode of the seventh switching transistor, and the second electrode of the eighth switching transistor is connected to the second electrode of the seventh switching transistor.

2 . The display apparatus of claim 1 , wherein the driving transistor generates driving current that is distributed to the at least two light emitting devices in the second driving mode.

3 . The display apparatus of claim 2 , wherein the second driving mode starts based on a share signal applied through a share signal line and a privacy signal applied through a privacy signal line.

4 . The display apparatus of claim 3 , wherein the display panel driving circuit comprises a level shifter circuit configured to output the share signal and the privacy signal.

5 . The display apparatus of claim 1 , wherein:

the seventh switching transistor is turned on based on a first direction share signal applied through the first direction share signal line;

the eighth switching transistor is turned on based on a second direction share signal applied through the second direction share signal line;

the ninth switching transistor is turned on based on a second direction privacy signal applied through the second direction privacy signal line; and

the tenth switching transistor is turned on based on a first direction privacy signal applied through the first direction privacy signal line.

6 . The display apparatus of claim 5 , wherein the second driving mode starts when the first direction share signal, the second direction share signal, the second direction privacy signal, and the first direction privacy signal are applied under a same voltage condition.

7 . The display apparatus of claim 5 , wherein the first light emitting device is defined as a share light emitting device which enables all of a user of a first viewpoint and a user of a second viewpoint to see light emitted therefrom, and the second light emitting device is defined as a privacy light emitting device which enables only the user of the first viewpoint to see light emitted therefrom.

8 . The display apparatus of claim 1 , wherein the display panel driving circuit comprises a controller configured to generate, based on a first signal applied from outside of the controller, a second signal that drives the display panel in at least one of the first driving mode and the second driving mode, and the controller comprises:

a pixel position calculator circuit configured to calculate a position value of a boost pixel and set a region that operates in the second driving mode;

a boost mode data generator circuit configured to generate, based on the position value of the boost pixel, a boost data signal corresponding to a region that operates in a boost mode of the display panel; and

a pixel position selection signal generator circuit configured to generate, based on the position value of the boost pixel, a pixel position selection signal that selects a position of the boost pixel.

9 . The display apparatus of claim 8 , wherein the display panel driving circuit comprises a level shifter circuit that outputs, based on the pixel position selection signal, a share signal applied through a share signal line and a privacy signal applied through a privacy signal line, each of the share signal line and the privacy signal line is connected to the subpixel.

10 . The display apparatus of claim 8 , wherein the boost data signal is generated so that luminance increases compared to a normal data signal generated in the first driving mode.

11 . A method for driving the display apparatus of claim 1 , the method comprising:

operating the display panel of the display apparatus in the first driving mode during which one of two light emitting devices included in the subpixel of the display panel emits light; and

operating the display panel in the second driving mode different from the first driving mode during which the two light emitting devices included in the subpixel emit light based on the second driving mode which differs from the first driving mode,

wherein operating the display panel in the second driving mode starts based on a share signal applied through the first direction share signal line and the second direction share signal line and based on a first direction privacy signal and a second direction privacy signal applied through a privacy signal line.

12 . The method of claim 11 , wherein operating the display panel in the second driving mode starts when the share signal, the first direction privacy signal and the second direction privacy signal are applied under a same voltage condition.