Patent ID: 8334824
Filing Date: 2012-12-18
Classification: H02M,H05B,Y02B

Abstract:
1. An organic light emitting display having a power supplier, a DC-DC converter, a scan driver, a data driver, and an organic light emitting display panel, wherein the DC-DC converter comprises: a boost converter comprising a first switch electrically coupled to the power supplier and a second switch electrically coupled to the power supplier, the first switch, and the organic light emitting display panel, the second switch being configured to output a positive power voltage to the organic light emitting display panel; an inverter comprising a third switch electrically coupled to the power supplier and a fourth switch electrically coupled to the third switch and the organic light emitting display panel; and a switching controller electrically coupled to the boost converter and the inverter, wherein the boost converter and the inverter are adapted such that at any one time, no more than one of the first switch or the third switch is turned on, and wherein power from the power supplier is not supplied to the organic light emitting display panel when the second switch and the fourth switch are both turned off.