Light emitting device with plurality of column circuits each including selection circuit for outputting color data, image forming device, display device, image capturing device, electronic apparatus, illumination device, moving body, and wearable device

A light emitting device comprising:

• a plurality of pixels arranged to form a plurality of rows and a plurality of columns;
• a plurality of column circuits configured to drive the plurality of columns, respectively;
• a voltage generation circuit configured to output a set of voltage signals;
• and
• a control circuit,
• wherein each of the plurality of pixels comprises (1) a first sub-pixel configured to emit light in a first color, (2) a second sub-pixel configured to emit light in a second color different from the first color, and (3) a third sub-pixel configured to emit light in a third color different from the first color and the second color,
• wherein each of the plurality of column circuits comprises (1) a first selection circuit configured to output one of first color data, second color data, and third color data which are input to the column circuit and which correspond to the first color, the second color, and the third color, respectively, (2) a digital-analog converter configured to convert, based on the set of voltage signals output by the voltage generation circuit, the output one of the first color data, the second color data, and the third color data into an analog signal, and (3) a second selection circuit configured to supply the analog signal output from the digital-analog converter to one of the first sub-pixel, the second sub-pixel, and the third sub-pixel that emits light in a corresponding color,
• wherein the plurality of column circuits comprises a first column circuit, a second column circuit, and a third column circuit,
• wherein the control circuit controls such that, in a first period, (1) in the first column circuit, the first selection circuit outputs the first color data to the digital-analog converter, (2) in the second column circuit, the first selection circuit outputs the second color data to the digital-analog converter, and (3) in the third column circuit, the first selection circuit outputs the third color data to the digital-analog converter,
• wherein the first column circuit comprises a first latch circuit and a second latch circuit each configured to hold one of the first color data and the second color data,
• wherein the second column circuit comprises a third latch circuit and a fourth latch circuit each configured to hold one of the first color data and the second color data, and
• wherein the control circuit controls input to each latch circuit such that (1) the first color data is input to the first latch circuit and the fourth latch circuit and (2) the second color data is input to the second latch circuit and the third latch circuit, and
• wherein the control circuit controls the first selection circuit of each of the first column circuit and the second column circuit such that the first selection circuit outputs, in the first period, one of the first color data and the second color data held by the first latch circuit and the third latch circuit, and outputs, in a second period following the first period, one of the first color data and the second color data held by the second latch circuit and the fourth latch circuit.