Display device and driving method thereof

A display device comprising a plurality of scan lines for providing a plurality of scan signals, the plurality of scan lines including a first scan line for applying a first signal among the scan signals and a second scan line for applying a second signal among the scan signals at a time different from that of applying the first signal, a plurality of data lines for applying data signals for displaying an image during a field having a plurality of subfields, a plurality of pixel circuits arranged as rows of the pixel circuits and including a first pixel circuit coupled to the first scan line and one of the data lines and a second pixel circuit coupled to the second scan line and the one of the data lines, a data driver configured to provide the data signals to the plurality of data lines, a scan driver configured to sequentially provide the scan signals on all of the scan lines to apply a corresponding one of the data signals to each of the pixel circuits at least once for each of the subfields, such that a first color sequence of different colors corresponding to the data signals applied to all of the rows of the pixel circuits from first through last rows in accordance with the sequentially provided scan signals in a first subfield of the plurality of subfields is different from a second color sequence of the different colors corresponding to the data signals applied to all of the rows of the pixel circuits from the first through last rows in accordance with the sequentially provided scan signals in a second subfield of the plurality of subfields, and a plurality of emit lines for transmitting emit signals to the plurality of pixel circuits, the plurality of emit lines including at least two emit lines for each of the first pixel circuit and the second pixel circuit, the at least two emit lines for a corresponding one of the pixel circuits being configured to sequentially start transmission of the emit signals at substantially a same time as the scan signals for the corresponding one of the pixel circuits start being provided in accordance with the plurality of subfields;

• wherein each of the pixel circuits comprises:
• at least two emit elements for emitting light having different colors, wherein each of the emit elements emits light responsive to an applied current;
• a switching transistor for applying the corresponding one of the data signals in response to the first signal or the second signal;
• a capacitor for storing a voltage which corresponds to the corresponding one of the data signals applied by the switching transistor;
• and
• a driving transistor for outputting the applied current which corresponds to the voltage stored in the capacitor, wherein one of the emit elements having a color different from a first color starts emitting light in the second pixel circuit after one of the emit elements having the first color starts emitting light in the first pixel circuit in the first subfield, and one of the emit elements having a color different from a second color starts emitting light in the second pixel circuit after one of the emit elements having the second color starts emitting light in the first pixel circuit in second subfield, and
• so that each of the emit elements continuously emits light during a period having a total duration less than or equal to the duration of one of the plurality of subfields of the field.

A display device including a plurality of scan lines for applying select signals, a plurality of data lines for applying data signals for displaying an image during a field having a plurality of subfields, a plurality of pixel circuits arranged as rows of the pixel circuits and coupled to the scan lines and the data lines, a data driver configured to provide the data signals to the plurality of data lines, a scan driver configured to provide the select signals sequentially on all of the plurality of scan lines to apply a corresponding one of the data signals to each of the pixel circuits at least once for each of the subfields, such that a first color sequence of different colors corresponding to the data signals applied to all of the rows of the pixel circuits from first through last rows in accordance with the sequentially provided scan signals in a first subfield of the plurality of subfields is different from a second color sequence of the different colors corresponding to the data signals applied to all of the rows of the pixel circuits from the first through last rows in accordance with the sequentially provided scan signals in a second subfield of the plurality of subfields, and a plurality of emit lines for transmitting emit signals to the plurality of pixel circuits, the plurality of emit lines including at least two emit lines for each of the plurality of pixel circuits, the at least two emit lines for a corresponding one of the pixel circuits configured to sequentially start transmission of the emit signals at substantially a same time as the select signals for the corresponding one of the pixel circuits start being provided in accordance with the plurality of subfields;

• wherein each of the pixel circuits comprises:
• at least two emit elements for emitting light having different colors, wherein each of the emit elements emits light responsive to an applied current;
• a switching transistor for applying one of the data signals which corresponds to one of the emit elements in response to one of the select signals;
• a capacitor for storing a voltage which corresponds to the one of the data signals applied by the switching transistor;
• a driving transistor for outputting the applied current which corresponds to the voltage stored in the capacitor;
• and
• a switch for selectively outputting the applied current provided by the driving transistor to one of the emit elements of a color corresponding to the one of the data signals;
• wherein one of the data signals corresponding to one of the emit elements of a first color is applied to one of the data lines when one of the select signals is applied to a scan line of a first group including at least one of the scan lines, and one of the data signals corresponding to one of the emit elements of a second color is applied to the one of the data lines when one of the select signals is applied to a scan line of a second group including at least one of the scan lines in a first one of the subfields,
• such that each of the emit elements continuously emits light during a period having a total duration less than or equal to the duration of one of the plurality of subfields of the field.

A method of driving a display device including a plurality of pixel circuits arranged in rows, wherein each of the pixel circuits comprises at least two emit elements for emitting light of different colors responsive to an applied current, and a transistor coupled to the emit elements supplies the applied current to one of the emit elements through at least one switch, the method for driving during a field having a plurality of subfields and comprising:

• start emitting one of the emit elements of a first color in one of the pixel circuits provided on a row of a first group including at least one of the rows during a first subfield of the subfields;
• and
• start emitting one of the emit elements of a second color in one of the pixel circuits provided on a row of a second group including at least one of the rows during the first subfield,
• wherein each of the rows of the pixel circuits is selected for emission of at least one of the emit elements thereon by sequentially selecting all of select lines coupled to the rows of the pixel circuits and sequentially applying at least two different emit signals to each of the pixel circuits at substantially a same time as corresponding ones of the select lines are selected in accordance with the plurality of subfields,
• wherein each of the emit elements continuously emits light during a period having a total duration less than or equal to the duration of one of the plurality of subfields of the field,
• wherein a first color sequence of the different colors corresponding to data signals applied to all of the rows of pixels from first through last rows in accordance with the sequential selection of all of the select lines in the first subfield is different from a second color sequence of the different colors corresponding to the data signals applied to all of the rows of pixels from the first through last rows in accordance with the sequential selection of all of the select lines in a second subfield of the plurality of subfields, such that the first color sequence in which the light emitting elements having different colors start emitting light in all of the plurality of rows from the first through last rows in the first subfield is different from the second color sequence in which the light emitting elements having different colors start emitting light in all of the plurality of rows from the first through last rows.