ELECTROLUMINESCENT DISPLAY COMPENSATED ANALOG TRANSISTOR DRIVE SIGNAL
摘要
<p>Apparatus for providing an analog drive transistor control signal to the gate electrode of a drive transistor in a drive circuit that applies current to an EL device, the drive circuit including a first supply electrode of the drive transistor and the EL device connected to a second supply electrode of the drive transistor, comprising a measuring circuit for measuring the current passing through the supply electrodes at different times to provide an aging signal representing variations in the characteristics of the drive transistor and EL device caused by operation of the drive transistor and EL device over time; a compensator for changing a linear code value in response to the aging signal to compensate for the variations in the characteristics of the drive transistor and EL device; and a linear source driver for producing the analog drive transistor control signal in response to the changed linear code value.</p>
申请公布号
WO2009085113(A2)
申请公布日期
2009.07.09
申请号
WO2008US13573
申请日期
2008.12.11
申请人
EASTMAN KODAK COMPANY;LEON, FELIPE ANTONIO;WHITE, CHRISTOPHER JASON;PARRETT, GARY;PRIMERANO, BRUNO
发明人
LEON, FELIPE ANTONIO;WHITE, CHRISTOPHER JASON;PARRETT, GARY;PRIMERANO, BRUNO