Patent ID: 9552767
Date: 2017-01-24
CPC Classifications: G09G

Claim:
1. A light-emitting device comprising: a pixel comprising a light-emitting element, a transistor, a first switch, a second switch, a third switch, a fourth switch and a capacitor; a first circuit configured to generate a signal containing information on a value of current extracted from the pixel; a second circuit configured to correct an image signal in accordance with the signal; a first wiring; a second wiring; and a third wiring, wherein the first wiring and a gate of the transistor are electrically connected to each other through the first switch, wherein the second wiring and a first electrode of the capacitor are electrically connected to each other through the third switch, wherein a second electrode of the capacitor is electrically connected to a first terminal of the transistor and an anode of the light-emitting element, wherein the first terminal of the transistor and the third wiring are electrically connected to each other through the second switch, and wherein the first electrode of the capacitor and the gate of the transistor are electrically connected to each other through the fourth switch.