| 摘要 |
A pixel driver architecture for an active matrix OLED display, comprising: a voltage-programmed master pixel programming circuit 102 configured to produce a programmable current Iout in response to programming voltage Vpgm, wherein said master pixel programming circuit comprises a voltage programming line106 to receive a programming voltage defining a pixel luminance, a programmable current generator coupled to said voltage programming line to generate a programmed current responsive to said programming voltage, and a current output line 108 to output said programmed current; and a plurality of current-programmed slave pixel driver circuits 104, each coupled to said master pixel programming circuit, and each configured to drive a respective OLED 120 responsive to a said programming voltage received by said master pixel programming circuit, wherein a said slave pixel driver circuit comprises a current programming line 114 coupled to said current output line of said master pixel programming circuit, an OLED current driver circuit having an OLED drive output to drive an OLED with a current programmed by said programmed current output from said master pixel programming circuit, and a pixel select line 116 to select said current driver circuit for programming by said programmed current output.
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