Design considerations of channel buffer amplifiers for low-power area-efficient column drivers in active-matrix LCDs

The performance criteria and corresponding design specifications for channel buffer amplifiers in state-of- the-art column driver ICs of active-matrix LCD (AMLCD) applications are presented. And the relationships between the amplifier characteristics and the display image quality are defined. In add...

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Bibliographic Details
Published in:IEEE transactions on consumer electronics 2008-05, Vol.54 (2), p.648-656
Main Authors: Son, Young-Suk, Cho, Gyu-Hyeong
Format: Article
Language:English
Subjects:
Active matrix liquid crystal displays
Amplifiers
Buffers
Channels
Driver circuits
Drivers
Electronics
Energy consumption
Flat panel displays
Image quality
Liquid crystal displays
Power amplifiers
Rail to rail amplifiers
Specifications
Switches
Voltage
Waveforms
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Description
Summary:The performance criteria and corresponding design specifications for channel buffer amplifiers in state-of- the-art column driver ICs of active-matrix LCD (AMLCD) applications are presented. And the relationships between the amplifier characteristics and the display image quality are defined. In addition, several display patterns and their driving waveforms that enable the prediction of the performance of channel buffer amplifiers in real panel applications are presented.
ISSN:0098-3063
1558-4127
DOI:10.1109/TCE.2008.4560142