Amolded direct voltage pixel drive for minaturization
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United States of America Patent
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Issued Date -
May 8, 2008
app pub date -
Nov 3, 2006
filing date -
Nov 3, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The drive circuit for an OLED is designed for use with an external reference voltage source. The OLED is connected to the reference voltage source through a PMOS drive transistor. The circuit includes a data signal transmission gate responsive to a control signal for transmitting the data signal to the OLED. It also includes a storage capacitor and a second transistor. The capacitor is connected between the gate and the source of the drive transistor. The second transistor has an output circuit connected between the reference voltage source and the capacitor. The gate of the second transistor is operably connected to receive the control signal.
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