Stereoscopic display apparatus and method for driving stereoscopic display apparatus

1. A stereoscopic display apparatus including: an image display unit which sequentially displays a right-eye image and a left-eye image; and a pair of glasses which makes the right-eye image and the left-eye image viewable sequentially, the stereoscopic display apparatus comprising:

a plurality of organic electroluminescence (EL) devices comprising a display unit of the image display unit;

a power supply line for supplying current to each of the organic EL devices;

a switching device provided on the power supply line and capable of reducing a voltage between electrodes in the organic EL device;

a first control unit configured to generate a glasses control signal for setting, in the glasses, a non-viewable period in which both the right-eye image and the left-eye image are made non-viewable at the same time; and

a second control unit configured to generate a device control signal for setting, in the switching device, a voltage reduced period in which the voltage between the electrodes in the organic EL device is reduced,

wherein the first control unit and the second control unit control the glasses and the switching device by generating the glasses control signal and the device control signal, respectively, for setting the non-viewable period to be a period at least from a start to an end of the voltage reduced period, and

the second control unit is configured to generate the device control signal for setting the voltage reduced period based on a period from a time at which the switching device is turned off to a time at which the switching device is turned on and at least one of (i) a delay period from a time at which the switching device is turned off to a time at which the voltage between the electrodes in the organic EL device is reduced and (ii) a delay period from a time at which the switching device is turned on to a time at which the voltage between the electrodes in the organic EL device is restored to the voltage before the reduction, the non-viewable period being longer than a length of the voltage reduced period.

2. The stereoscopic display apparatus according to claim 1 ,

wherein the second control unit generates a device control signal for setting the voltage reduced period in which the voltage between the electrodes in the organic EL device is reduced to a voltage at which light-emission from the organic EL device is turned off.

3. The stereoscopic display apparatus according to claim 1 ,

wherein the glasses includes: shutter units on the right and left; and a receiving unit, and

both the right-eye image and the left-eye image are made non-viewable at the same time when the receiving unit receives the glasses control signal and the shutter units are in a closed state.

4. The stereoscopic display apparatus according to claim 3 ,

wherein the non-viewable period is set based on a period from transmission of the glasses control signal for setting the shutter units to the closed state to transmission of the glasses control signal for setting one of the shutter units to an open state and at least one of (i) a delay period from transmission of the glasses control signal for setting the shutter units to the closed state to a time at which the shutter units are in the closed state and (ii) a delay period from the transmission of the glasses control signal for setting the one of the shutter units to the open state to a time at which the one of the shutter units is in the open state.

5. A method for driving a stereoscopic display apparatus including: an image display unit which sequentially displays a right-eye image and a left-eye image; and a pair of glasses which makes the right-eye image and the left-eye image viewable sequentially, the method comprising

providing a non-viewable period in which both the right-eye image and the left-eye image are made non-viewable at the same time by the glasses and providing a voltage reduced period in which the voltage between electrodes in an organic EL device included in the image display unit is reduced,

wherein the non-viewable period is adjusted to be a period at least from a start to an end of the voltage reduced period, and

the voltage reduced period is set based on a period from a time at which a switching device is turned off to a time at which the switching device is turned on and at least one of (i) a delay period from a time at which the switching device is turned off to a time at which the voltage between the electrodes in the organic EL device is reduced and (ii) a delay period from a time at which the switching device is turned on to a time at which the voltage between the electrodes in the organic EL device is restored to the voltage before the reduction.

6. The method for driving the stereoscopic display apparatus according to claim 5 , the glasses including: shutter units on the right and left; and a receiving unit, the method further comprising

making the right-eye image and the left-eye image non-viewable at the same time when the receiving unit receives a glasses control signal for setting the non-viewable period and the shutter units are in a closed state.

7. The method for driving the stereoscopic display apparatus according to claim 6 ,

wherein the non-viewable period is set based on a period from transmission of the glasses control signal for setting the shutter units to a closed state to transmission of the glasses control signal for setting one of the shutter units to an open state and at least one of (i) a delay period from transmission of the glasses control signal for setting the shutter units to the closed state to a time at which the shutter units are in the closed state and (ii) a delay period from the transmission of the glasses control signal for setting the one of the shutter units to the open state to a time at which the one of the shutter units is in the open state.