Patent ID: 7969398
Filing Date: 2011-06-28
Classification: G09G

Abstract:
1. A display drive apparatus which drives a display pixel including a light-emitting element and a drive element connected to the light-emitting element, comprising: a specific value detection circuit which detects a specific value corresponding to an element characteristic of the drive element based on a value of current flowing in a current path of the drive element when a detection voltage based on a predetermined unit voltage is applied to the display pixel; a memory circuit which stores, as compensation data, the specific value detected by the specific value detection circuit; and a gradation voltage compensation circuit which generates a compensated gradation voltage by adding a gradation voltage to a compensation voltage, and applies the compensated gradation voltage to the display pixel, wherein said gradation voltage corresponds to a luminance gradation of the display pixel designated by display data, wherein said compensation voltage is generated by multiplying the specific value detected by the specific value detection circuit with the unit voltage, and wherein the specific value detection circuit comprises: