Organic Polymer Light Emitting Display for Digital Mammography

Abstract

We report on active matrix-organic polymer light-emitting displays (AM-OLEDs) based on a three hydrogenated amorphous silicon (a-Si:H) thin-film transistor (TFT) pixel electrode circuit that supplies a continuous output current to organic polymer light-emitting devices (OLEDs). The output current level drifts induced by either process variations or devices aging can be reduced in this design by adjusting the driver TFT operating point with the active resistor. Our first green light-emitting engineering prototype had a brightness of 120 cd/sq m and fill factor of about 45%.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 2003
Accession Number
ADA429601

Entities

People

  • Joohan Kimis

Organizations

  • University of Michigan

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Chemical Vapor Deposition
  • Chemistry
  • Electronics
  • Electronics Laboratories
  • Engineering
  • Films
  • Flat Panel Displays
  • Gray Scale
  • Light Emitting Diodes
  • Liquid Crystal Displays
  • Materials
  • Quantum Efficiency
  • Semiconductors
  • Solid State Electronics
  • Thin Film Transistors
  • Thin Films
  • Transistors

Fields of Study

  • Materials science

Readers

  • Integrated Circuit Design and Technology.
  • Solar Photovoltaics and Thermoelectric Devices.
  • Vision Science/Vision Psychology/Cognitive Neuroscience.