Display device and method for driving display device

A display device, comprising:

• a black and white liquid crystal display panel;
• an organic light emitting display panel, bonded to the black and white liquid crystal display panel;
• and
• a control unit, configured to control the organic light emitting display panel to emit light,
• wherein the organic light emitting display panel comprises a plurality of pixels arranged in an array, and each of the pixels comprises a first primary color sub-pixel, a second primary color sub-pixel, and a third primary color sub-pixel,
• wherein the black and white liquid crystal display panel comprises a plurality of pixel units arranged in an array, and each of the pixels corresponds to at least one of the pixel units, and
• wherein the control unit is configured to at least divide a frame of display time into a first time period, a second time period, and a third time period, and to drive the first primary color sub-pixel to emit light only in the first time period, the second primary color sub-pixel to emit light only in the second time period, and the third primary color sub-pixel to emit light only in the third time period.