P-52: A new current programming pixel circuit for compensating luminance degradation of AMOLED

Chih Lung Lin, Chia Che Hung, Sheng Kai Hsu, Kuan Wen Chou, Chun Da Tu

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A new pixel circuit using low-temperature polycrystalline-silicon (LTPS) thin-film transistors for Active Matrix Organic Light Emitting Diodes (AMOLEDs) is presented. The proposed current programming circuit without charging time problem at low gray level compensates for the threshold voltage variation of TFT as well as OLED luminance decay. The simulation results demonstrate driving current of this circuit is independent of the variation of TFT and maintain luminance for long term operation.

Original languageEnglish
Pages (from-to)1292-1295
Number of pages4
JournalDigest of Technical Papers - SID International Symposium
Volume42 1
Publication statusPublished - 2011 Jun 1

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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