The "Plastic Retina": Image Enhancement Using Polymer Grid Triode Arrays

Alan J. Heeger, David J. Heeger, John Langan, Yang Yang

Research output: Contribution to journalArticle

Abstract

An array of polymer grid triodes (PGTs) connected through a common grid functions as a "plastic retina" which provides local contrast gain control for image enhancement. This device, made from layers of conducting polymers, functions as an active resistive network that performs center-surround filtering. The PGT array with common grid is a continuous analog of the discrete approach of Mead, with a variety of fabrication advantages and with a significant saving of "real estate" within the unit cell of each pixel.

Original languageEnglish (US)
Pages (from-to)297-305
Number of pages9
JournalACS Symposium Series
Volume672
StatePublished - 1997

Fingerprint

Triodes
Image enhancement
Polymers
Plastics
Gain control
Conducting polymers
Pixels
Fabrication

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

The "Plastic Retina" : Image Enhancement Using Polymer Grid Triode Arrays. / Heeger, Alan J.; Heeger, David J.; Langan, John; Yang, Yang.

In: ACS Symposium Series, Vol. 672, 1997, p. 297-305.

Research output: Contribution to journalArticle

Heeger, Alan J. ; Heeger, David J. ; Langan, John ; Yang, Yang. / The "Plastic Retina" : Image Enhancement Using Polymer Grid Triode Arrays. In: ACS Symposium Series. 1997 ; Vol. 672. pp. 297-305.
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