Image display device and driving method of image display device

A driving method of an image display device, said image display device including a display section formed by arranging pixel circuits in a form of a matrix, a signal line driving circuit configured to output a driving signal for a signal line to the signal line of said display section, and a scanning line driving circuit configured to output a driving signal for a scanning line to the scanning line of said display section, said pixel circuits each including at least a light emitting element, a driving transistor configured to drive said light emitting element connected to a source by a driving current corresponding to a gate-to-source voltage, a storage capacitor configured to retain said gate-to-source voltage, and a writing transistor configured to set a terminal voltage of said storage capacitor by a voltage of the signal line, at least said driving transistor being created by being subjected to an annealing process by irradiation with a laser beam, and in said display section, adjacent pixel circuits of said pixel circuits being created in axisymmetric form with respect to the scanning line and/or the signal line, the driving method of said image display device comprising:

• changing, by said signal line driving circuit, a setting of a voltage of the driving signal for said signal line between said adjacent pixel circuits,
• wherein said adjacent pixel circuits are an odd-numbered pixel circuit and an even-numbered pixel circuit as determined from one end of said scanning line, and
• said signal line driving circuit changes the setting of the voltage of the driving signal for said signal line between a signal line of said odd-numbered pixel circuit and a signal line of said even-numbered pixel circuit;
• and
• alternately repeating, by said pixel circuits, an emission period for making said light emitting element emit light and a non-emission period for stopping light emission of said light emitting element and setting light emission luminance of said light emitting element in a following emission period, wherein
• in said non-emission period, said pixel circuits set a voltage across said storage capacitor to a voltage more than a threshold voltage of said driving transistor, and set the voltage across said storage capacitor to a voltage corresponding to the threshold voltage of said driving transistor by discharging the voltage across said storage capacitor via said driving transistor, and
• said pixel circuits next set a terminal voltage of said storage capacitor to a voltage of said signal line to set the light emission luminance of said light emitting element in said following emission period.

An image display device comprising:

• a display section formed by arranging pixel circuits in a form of a matrix;
• a signal line driving circuit configured to output a driving signal for a signal line to the signal line of said display section;
• and
• a scanning line driving circuit configured to output a driving signal for a scanning line to the scanning line of said display section;
• wherein said signal line driving circuit includes
• a first digital-to-analog converter circuit corresponding to a first reference voltage, and
• a second digital-to-analog converter circuit corresponding to a second reference voltage;
• said pixel circuits each include at least
• a light emitting element, and
• a driving transistor configured to drive said light emitting element;
• and
• in an adjacent pixel circuit adjacent to a said pixel circuit and having a driving transistor whose source and drain are disposed in an orientation different from an orientation of the driving transistor of said pixel circuit, a signal line corresponding to an output of said first digital-to-analog converter circuit is connected to said pixel circuit, and a signal line corresponding to an output of said second digital-to-analog converter circuit is connected to said adjacent pixel circuit
• wherein said pixel circuits alternately repeat an emission period for making said light emitting element emit light and a non-emission period for stopping light emission of said light emitting element and setting light emission luminance of said light element in a following emission period,
• in said non-emission period, said pixel circuits set a voltage across said storage capacitor to a voltage more than a threshold voltage of said driving transistor, and set the voltage across said storage capacitor to a voltage corresponding to the threshold voltage of said driving transistor by discharging the voltage across said storage capacitor via said driving transistor, and
• said pixel circuits next set a terminal voltage of said storage capacitor to a voltage of said signal line to set the light emission luminance of said light emitting element in said following emission period.

A driving method of an image display device, said image display device including a display section formed by arranging pixel circuits in a form of a matrix, a signal line driving circuit configured to output a driving signal for a signal line to the signal line of said display section, and a scanning line driving circuit configured to output a driving signal for a scanning line to the scanning line of said display section, wherein said signal line driving circuit includes a first digital-to-analog converter circuit corresponding to a first reference voltage, and a second digital-to-analog converter circuit corresponding to a second reference voltage, said pixel circuits each include at least a light emitting element, and a driving transistor configured to drive said light emitting element, and in an adjacent pixel circuit adjacent to a said pixel circuit and having a driving transistor whose source and drain are disposed in an orientation different from an orientation of the driving transistor of said pixel circuit, a signal line corresponding to an output of said first digital-to-analog converter circuit is connected to said pixel circuit, and a signal line corresponding to an output of said second digital-to-analog converter circuit is connected to said adjacent pixel circuit, the method comprising:

• alternately repeating, by said pixel circuits, an emission period for making said ht emitting element emit light and a non-emission period for stopping light emission of said light emitting element and setting light emission luminance of said light emitting element in a following emission period, wherein
• in said non-emission period, said pixel circuits set a voltage across said storage capacitor to a voltage more than a threshold voltage of said driving transistor, and set the voltage across said storage capacitor to a voltage corresponding to the threshold voltage of said driving transistor by discharging the voltage across said storage capacitor via said driving transistor, and
• said pixel circuits next set a terminal voltage of said storage capacitor to a voltage of said signal line to set the light emission luminance of said light emitting element in said following emission period.