Patent ID: 7872663

Claim:
A light emitting device comprising: a plurality of light emitting elements; a first storage unit that stores first correction values corresponding to the light emitting elements; a counting unit that counts a number of pixels whose gray-scale values designated by image data are within a predetermined range, the pixels being included in a predetermined number of pixels included in an image; a selection unit that selects a first mode or a second mode according to a relationship between the number of pixels counted by the counting unit and a threshold value; and a driving unit that drives the light emitting elements corresponding to the predetermined number of pixels so as to emit amounts of light corresponding to the first correction values stored in the first storage unit and the image data when the first mode is selected by the selection unit, and that drives the light emitting elements corresponding to the predetermined number of pixels so as to emit amounts of light corresponding to the image data when the second mode is selected by the selection unit.