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P‐119: A New Charge Pump Pixel Circuit for Reflective Displays
Author(s) -
Jung MyoungHoon,
Kim Jungwoo,
Song Byonggwon,
Chung Deukseok,
Yi Yunjeong,
Jin Yong Wan,
Lee SangYoon
Publication year - 2011
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 - 10.1889/1.3621158
Subject(s) - pixel , voltage , swing , power consumption , electrical engineering , materials science , computer science , power (physics) , threshold voltage , liquid crystal display , charge pump , electronic engineering , optoelectronics , engineering , physics , capacitor , artificial intelligence , acoustics , transistor , quantum mechanics
A novel charge pump pixel circuit for reflective display requiring high voltage driving, which is more than 10 V, is proposed for low‐power mobile application. By adopting proposed low‐voltage frame inversion method, we can reduce input data voltage swing to almost half of driving voltage on a pixel electrode, so the power consumption on parasitic elements can be substantially reduced. The operation of the pixel circuit was confirmed through the prototype of 3.6″ polymer dispersed liquid crystal displays and the simulation results show that the proposed approach reduces the power consumption by 64.3%, compared with the conventional driving method.