A 5-in. flexible ferroelectric liquid-crystal display driven by organic thin-film transistors

Yoshihide Fujisaki; Hiroto Sato; Tatsuya Takei; Toshihiro Yamamoto; Hideo Fujikake; Shizuo Tokito; Taiichiro Kurita

doi:10.1889/JSID16.12.1251

A 5-in. flexible ferroelectric liquid-crystal display driven by organic thin-film transistors

Yoshihide Fujisaki, Hiroto Sato, Tatsuya Takei, Toshihiro Yamamoto, Hideo Fujikake, Shizuo Tokito, Taiichiro Kurita

Research output: Contribution to journal › Article

12 Citations (Scopus)

Abstract

An organic thin-film-transistor (OTFT) driven color flexible ferroelectric-liquid-crystal (FLC) display with 160 × 120 pixels and a resolution of 50 ppi has been developed. The flexible FLC was fabricated on a pentacene-OTFT array using printing and lamination techniques. To drive the display at a fast driving speed, an OTFT was developed with a short channel length having a large current output. The fabricated OTFT array with a channel length of 5 μm exhibits a carrier mobility of 0.3 cm²/V-sec and an ON/OFF ratio of over 10⁷ at a low drain voltage of -6 V. A field-sequential- color system with a flexible backlight unit was also developed and used to drive the display. Color moving images were successively shown on the 5-in. display using an active-matrix driving technique of the OTFT.

Original language	English
Pages (from-to)	1251-1257
Number of pages	7
Journal	Journal of the Society for Information Display
Volume	16
Issue number	12
DOIs	https://doi.org/10.1889/JSID16.12.1251
Publication status	Published - 2008 Dec 1
Externally published	Yes

Keywords

Active matrix
Ferroelectric liquid crystal
Field-sequential method
Flexible display
Gate insulator
Organic TFT

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1889/JSID16.12.1251

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Fujisaki, Y., Sato, H., Takei, T., Yamamoto, T., Fujikake, H., Tokito, S., & Kurita, T. (2008). A 5-in. flexible ferroelectric liquid-crystal display driven by organic thin-film transistors. Journal of the Society for Information Display, 16(12), 1251-1257. https://doi.org/10.1889/JSID16.12.1251

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abstract = "An organic thin-film-transistor (OTFT) driven color flexible ferroelectric-liquid-crystal (FLC) display with 160 × 120 pixels and a resolution of 50 ppi has been developed. The flexible FLC was fabricated on a pentacene-OTFT array using printing and lamination techniques. To drive the display at a fast driving speed, an OTFT was developed with a short channel length having a large current output. The fabricated OTFT array with a channel length of 5 μm exhibits a carrier mobility of 0.3 cm2/V-sec and an ON/OFF ratio of over 107 at a low drain voltage of -6 V. A field-sequential- color system with a flexible backlight unit was also developed and used to drive the display. Color moving images were successively shown on the 5-in. display using an active-matrix driving technique of the OTFT.",

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author = "Yoshihide Fujisaki and Hiroto Sato and Tatsuya Takei and Toshihiro Yamamoto and Hideo Fujikake and Shizuo Tokito and Taiichiro Kurita",

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AU - Fujikake, Hideo

AU - Tokito, Shizuo

AU - Kurita, Taiichiro

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