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P‐45: A Fast Driving Circuit for AMOLED Displays Using Current Feedback
Author(s) -
Lee GeonHo,
Kim SangKyung,
Son YoungSuk,
Jeon JinYong,
Jeon YongJoon,
Cho GyuHyeong
Publication year - 2006
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 - 10.1889/1.2433503
Subject(s) - amoled , current (fluid) , capacitance , parasitic capacitance , compensation (psychology) , transfer (computing) , computer science , feedback loop , materials science , control theory (sociology) , electrical engineering , engineering , physics , artificial intelligence , active matrix , control (management) , psychology , computer security , electrode , layer (electronics) , quantum mechanics , parallel computing , psychoanalysis , composite material , thin film transistor
A fast current‐mode driving method using current feedback for AMOLED displays is proposed. The proposed driving method dramatically enhanced the driving speed by two negative feedback loops. The loop stability was also guaranteed by the proposed compensation technique and confirmed by simulations. The time to transfer the input current to the pixel current was below 10 usec with sub‐nA accuracy for the parasitic loads of 1.5kΩ resistance and 100pF capacitance in data lines.

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