Enhanced thin-film transistor driven high-aperture in-plane switching liquid crystal displays without common line and black matrix

Abstract We developed active-matrix in-plane switching liquid crystal displays (IPS-LCDs) with a new vertical structure composed of thin-film transistors (TFTs) that have an aperture ratio of 60% to reduce energy consumption. The novel TFT has a channel and a back channel made of a hydrogenated amor...

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Autores principales:	Masahiko Ando, Makoto Yoneya
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/929551dffc9e4171b9d8afdcbfdb1ca5
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spelling	oai:doaj.org-article:929551dffc9e4171b9d8afdcbfdb1ca52021-12-02T15:57:04ZEnhanced thin-film transistor driven high-aperture in-plane switching liquid crystal displays without common line and black matrix10.1038/s41598-021-90924-x2045-2322https://doaj.org/article/929551dffc9e4171b9d8afdcbfdb1ca52021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-90924-xhttps://doaj.org/toc/2045-2322Abstract We developed active-matrix in-plane switching liquid crystal displays (IPS-LCDs) with a new vertical structure composed of thin-film transistors (TFTs) that have an aperture ratio of 60% to reduce energy consumption. The novel TFT has a channel and a back channel made of a hydrogenated amorphous-silicon semiconductor layer sandwiched by thin silicon oxide insulating layers. The transfer characteristics are enhanced by uniformly shifting the threshold voltage to be higher than the maximum LC driving voltage (typically > 5 V). The enhanced TFT characteristics provided with a new driving scheme and shielding electrodes enables both the common line and black matrix to be eliminated. We fabricated an IPS TFT-LCD panel with aperture and contrast ratios that are 160% those of the conventional pixel structure.Masahiko AndoMakoto YoneyaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Masahiko Ando Makoto Yoneya Enhanced thin-film transistor driven high-aperture in-plane switching liquid crystal displays without common line and black matrix
description	Abstract We developed active-matrix in-plane switching liquid crystal displays (IPS-LCDs) with a new vertical structure composed of thin-film transistors (TFTs) that have an aperture ratio of 60% to reduce energy consumption. The novel TFT has a channel and a back channel made of a hydrogenated amorphous-silicon semiconductor layer sandwiched by thin silicon oxide insulating layers. The transfer characteristics are enhanced by uniformly shifting the threshold voltage to be higher than the maximum LC driving voltage (typically > 5 V). The enhanced TFT characteristics provided with a new driving scheme and shielding electrodes enables both the common line and black matrix to be eliminated. We fabricated an IPS TFT-LCD panel with aperture and contrast ratios that are 160% those of the conventional pixel structure.
format	article
author	Masahiko Ando Makoto Yoneya
author_facet	Masahiko Ando Makoto Yoneya
author_sort	Masahiko Ando
title	Enhanced thin-film transistor driven high-aperture in-plane switching liquid crystal displays without common line and black matrix
title_short	Enhanced thin-film transistor driven high-aperture in-plane switching liquid crystal displays without common line and black matrix
title_full	Enhanced thin-film transistor driven high-aperture in-plane switching liquid crystal displays without common line and black matrix
title_fullStr	Enhanced thin-film transistor driven high-aperture in-plane switching liquid crystal displays without common line and black matrix
title_full_unstemmed	Enhanced thin-film transistor driven high-aperture in-plane switching liquid crystal displays without common line and black matrix
title_sort	enhanced thin-film transistor driven high-aperture in-plane switching liquid crystal displays without common line and black matrix
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/929551dffc9e4171b9d8afdcbfdb1ca5
work_keys_str_mv	AT masahikoando enhancedthinfilmtransistordrivenhighapertureinplaneswitchingliquidcrystaldisplayswithoutcommonlineandblackmatrix AT makotoyoneya enhancedthinfilmtransistordrivenhighapertureinplaneswitchingliquidcrystaldisplayswithoutcommonlineandblackmatrix
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Enhanced thin-film transistor driven high-aperture in-plane switching liquid crystal displays without common line and black matrix

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