公开(公告)号：US20140292736A1

公开(公告)日：2014-10-02

申请号：US14260341

申请日：2014-04-24

Applicant: InnoLux Corporation

Inventor： Ming Chun TSENG ,  Yi Hua HSU ,  Kung-Chen KUO ,  Lien-Hsiang CHEN

IPC: G09G3/32

CPC classification number: G09G3/3291 ,  G09G3/3241 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0243 ,  G09G2310/0251

Abstract: A pixel circuit includes an OLED, a driving transistor, first and second transistors, a storage capacitor and a coupling capacitor. The OLED includes an anode and a cathode connected to a first voltage source. The driving transistor includes a first node connected to a second voltage source, a second node, and a third node connected to the anode. The first transistor includes first, second and third terminals connected to a data driving line, a first control signal source, and the second node, respectively. The second transistor includes a first terminal, a second terminal connected to a second control signal source, and a third terminal connected to the anode and the third node. The storage capacitor includes first and second terminals connected to a third voltage source and the second transistor, respectively. The coupling capacitor includes first and second terminals connected to the second transistor and the second node, respectively.