发明名称 DRIVING DEVICE FOR LIGHT EMITTING DISPLAY PANEL, ESPECIALLY SUPPLYING REVERSE BIAS VOLTAGE
摘要 PURPOSE: A driving device for a light emitting display panel is provided to effectively apply a reverse bias voltage to a light emitting element through a drive TFT(Thin Film Transistor) by providing the driving device for the light emitting display of an active matrix type. CONSTITUTION: A driving device for a light emitting display panel includes a light emitting element(14), a control TFT(11), and a power circuit. The power circuit outputs a power source voltage level of which potential is positive or negative with respect to a reference potential. The power circuit is designed to supply a power source voltage level of positive potential to one terminal functioning as the anode of the luminescent element when a forward-directional electric current is fed to the luminescent element, and is arranged to supply a power source voltage level of negative potential to the other terminal functioning as the cathode of the luminescent element. When a reverse bias voltage is fed, the power source circuit supplies a power source voltage level of negative potential to the one terminal functioning as the anode of the luminescent element and a power source voltage level of positive potential to the other terminal functioning as the cathode of the luminescent element.
申请公布号 KR20040027363(A) 申请公布日期 2004.04.01
申请号 KR20030065814 申请日期 2003.09.23
申请人 TOHOKU PIONEER CORPORATION 发明人 OHATA HIROSHI
分类号 H01L51/50;G09F9/30;G09G3/20;G09G3/30;G09G3/32;H01L27/32;(IPC1-7):G09G3/30 主分类号 H01L51/50
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