P‐1.8: External Compensation for TFT Vth&Mobility Using Linear Charge Sense Method in AMOLED Display

A new method for Sense and Calculate TFT characteristics is simulated with 3T1C structure of AMOLED display. By using data programming compensation, it can correct both Vth and Mobility. The proposed method uses Linear Charging Method which has faster charging speed than Source Follower Method. By i...

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Published in:SID International Symposium Digest of technical papers 2018-04, Vol.49 (S1), p.541-543
Main Authors: Jin, Yu-Feng, Xie, Hong-Jun
Format: Article
Language:English
Subjects:
Active matrix displays
AMOLED
Charging
Compensation
External Compensation
Linear Charge
Mobility
Organic light emitting diodes
Sense
TFT
Vth
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description A new method for Sense and Calculate TFT characteristics is simulated with 3T1C structure of AMOLED display. By using data programming compensation, it can correct both Vth and Mobility. The proposed method uses Linear Charging Method which has faster charging speed than Source Follower Method. By increasing the Vgs of driving TFT, we can even reduce the charging time to 0.5ms. And fast charging make it possible to achieve real‐time detection in higher and higher resolution display. The principle of the method will be described in detail and giving out the simulation data. The experiments are carried out in a 31‐inch AMOLED panel.
doi_str_mv 10.1002/sdtp.12776
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source Wiley-Blackwell Read & Publish Collection
subjects Active matrix displays
AMOLED
Charging
Compensation
External Compensation
Linear Charge
Mobility
Organic light emitting diodes
Sense
TFT
Vth
title P‐1.8: External Compensation for TFT Vth&Mobility Using Linear Charge Sense Method in AMOLED Display
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