Premium
P‐44: New Pixel Circuit with Simple Driving Scheme for Active‐Matrix Organic Light‐Emitting Diode Displays
Author(s) -
Lin ChihLung,
Chen PoSyun,
Shieh PingShiao
Publication year - 2015
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.10102
Subject(s) - amoled , thin film transistor , active matrix , oled , optoelectronics , materials science , pixel , diode , flicker , capacitor , threshold voltage , transistor , light emitting diode , compensation (psychology) , voltage , computer science , electrical engineering , engineering , artificial intelligence , nanotechnology , layer (electronics) , psychoanalysis , psychology
This work presents a new pixel circuit with a structure of four low‐temperature polycrystalline‐silicon (LTPS) thin‐film transistors (TFTs) and one capacitor for active‐matrix organic light‐emitting diode (AMOLED) displays. The proposed pixel circuit is capable of compensation for threshold voltage (V TH ) variations of driving TFT with only one scan signal in one step. Furthermore, the OLED is reverse‐biased in programming step to avoid flicker phenomenon. The simulation results show that the current deviations caused by V TH variations of TFTs are below 5%.