U.S. patents available from 1976 to present.
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US Patent Application 20090068773 - METHOD FOR FABRICATING PIXEL STRUCTURE OF ACTIVE MATRIX ORGANIC LIGHT-EMITTING DIODE

Application 20090068773 Filed on October 20, 2008. Published on March 12, 2009

Inventors

Assignee

US Classes

438/23, Having diverse electrical device257/E21.04Device having at least one potential-jump barrier or surface barrier, e.g., PN junction, depletion layer, carrier concentration layer (EPO)

Attorney, Agent or Firm

Foreign Documents

  • 94147154 TW 12/29/2005

International Class

H01L 21/04

Issued Patent Number:

7575966


Abstract text


A method for fabricating an AMOLED pixel includes forming a transparent semiconductor layer on a substrate and forming a first channel layer of the switch TFT, a lower electrode of a storage capacitor and a second channel layer of a driving TFT. A first dielectric layer is formed over the substrate. A first opaque metal gate of the switch TFT, a second opaque metal gate of the driving TFT and a scan line are formed on the first dielectric layer. A first source and a first drain of the switch TFT are formed in the first channel layer and a second source and a second drain of the switch TFT are formed in the second channel layer. A patterned transparent metal layer is formed on the first dielectric layer. A data line is formed over the substrate. An OLED is formed over the substrate.

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