Patent ID: 8988325
Filing Date: 2015-03-24
Classification: G09G

Abstract:
1. A display apparatus comprising: a plurality of pixel circuits respectively including a light emitting device, a first transistor, a second transistor, a first switch circuit, a second switch circuit, a third switch circuit, and a capacitor, wherein a first voltage is supplied from a first voltage line to a gate of the second transistor via the second switch circuit during a first period, wherein a data voltage is supplied from a signal line to the gate of the second transistor via the first transistor, the second transistor, and the first switch circuit during a second period after the first period, wherein a driving current is supplied from a second voltage line to the light emitting device via the third switch circuit and the second transistor during a third period after the second period, wherein the light emitting device has an anode electrode, a light emitting layer, and a cathode electrode, wherein the light emitting device is provided on a first insulation layer covering the plurality of pixel circuits, wherein the cathode electrode is provided on a second insulation layer which is arranged on the first insulation layer, wherein the cathode electrode is connected to a third voltage line via a first contact formed in the first insulation layer and a second contact formed in the second insulation layer, and wherein the light emitting device is configured to emit light multiple times in one field period.