ACTIVE-MATRIX ORGANIC LIGHT-EMITTING DIODE DISPLAY DEVICE WITH SHORT PROTECTION
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United States of America Patent
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Issued Date -
Dec 13, 2012
app pub date -
Jun 4, 2012
filing date -
Jun 10, 2011
priority date (Note) -
Abandoned
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Abstract
An active-matrix OLED display device, which reduces the adverse effects of short circuits across OLED devices in a densely packed array by having a thin-film resistive layer integrated in series with the OLED device. The OLED device includes a substrate, and first and second pixels situated proximate each other on the substrate. The first pixel comprises an OLED and means for preventing a failure of the first pixel due to a short from affecting the operation of the second pixel. The preventing means includes a resistor electrically connected in series with the OLED of the first pixel. The resistor is in the form of a thin-film resistive layer. The first pixel includes an anode, wherein the thin-film resistive layer is situated adjacent the anode. The anode and the thin-film resistive layer have substantially the same dimensions and are formed simultaneously.
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