Combining passive‐ and active‐matrix addressing of LCDs
作者:
K. E. Kuijk,
期刊:
Journal of the Society for Information Display
(WILEY Available online 1996)
卷期:
Volume 4,
issue 1
页码: 9-17
ISSN:1071-0922
年代: 1996
DOI:10.1889/1.1984983
出版商: Blackwell Publishing Ltd
关键词: AMLCDs;passive‐matrix LCD;LCD addressing
数据来源: WILEY
摘要:
Abstract—A combination of passive‐ and active‐matrix addressing is proposed by dividing the ITO columns of a passive‐matrix LCD in parts, thus only covering a group of rows. The ITO parts are connected to metal columns via TFTs. This leads to a significantly smaller number of TFTs, as compared to an active‐matrix LCD. The proposed system may either be driven as a switched passive matrix (SPM) with a low multiplexing factor, or as a multiplexed active matrix (MAM) by holding the voltages. The number of row connections may be decreased by connecting the corresponding ITO rows of a number of groups. Both row‐at‐a‐time addressing and multiple‐row selection with orthonormal waveforms may be used for bot
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