Organic light emitting diode display having shield electrodes

Details Organic light emitting diode display having shield electrodes Organic light emitting diode display having shield electrodes

2007-07-24

2007-07-24

Chow, Dennis-Doon (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S082000, C345S092000

Reexamination Certificate

active

10468320

ABSTRACT:
An organic light emitting diode (OLED) display includes at least one shield electrode between a cathode layer and an OLED drive circuit. The OLED drive circuit has at least one thin-film transistor (TFT), and the shield electrode is disposed to correspond to the thin-film transistor and closer to the cathode layer, covering an entire region between the source and drain of the thin-film transistor. The shield electrode is either grounded or tied to the gate of the thin-film transistor, to thereby minimize parasitic capacitances in the pixels of the display to enhance the display performance. The presented architecture enables high density drive circuit integration in amorphous silicon or other technologies, yet preserving a high display aperture ratio.

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Patent Abstracts of Japan vol. 2000, No. 09, Oct. 13, 2000 - JP 2000 172199 A (Sanyo Electric Co Ltd), Jun. 23, 2000 abstract.

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