A study on wide viewing angle and fast response time characteristics for the novel VA mode

Jeoung Yeon Hwang; Dae Shik Seo

doi:10.1080/10587250108029975

A study on wide viewing angle and fast response time characteristics for the novel VA mode

Jeoung Yeon Hwang, Dae Shik Seo

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

We investigated the wide viewing angle and the fast response time characteristics for negative dielectric anisotropy nematic liquid crystal (NLC) using a vertical-alignment (VA) mode on a rubbed polyimide (PI) surface. Good voltage-transmittance (V-T) curves using a VA - 1/4 π cell and a VA-π cell without a negative compensation film were measured. The iso-viewing angle characteristics using a VA - 1/4 π cell and a VA-π cell without a negative compensation film can be achieved. The fast response time of 24.2 ms for NLC was successfully observed. Consequently, the iso-viewing angle, fast response time, and low driving voltage characteristics using a VA -1/4 π cell and a VA-π cell on a rubbed PI surface can be achieved.

Original language	English
Pages (from-to)	445-452
Number of pages	8
Journal	Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume	368
DOIs	https://doi.org/10.1080/10587250108029975
Publication status	Published - 2001

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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title = "A study on wide viewing angle and fast response time characteristics for the novel VA mode",

abstract = "We investigated the wide viewing angle and the fast response time characteristics for negative dielectric anisotropy nematic liquid crystal (NLC) using a vertical-alignment (VA) mode on a rubbed polyimide (PI) surface. Good voltage-transmittance (V-T) curves using a VA - 1/4 π cell and a VA-π cell without a negative compensation film were measured. The iso-viewing angle characteristics using a VA - 1/4 π cell and a VA-π cell without a negative compensation film can be achieved. The fast response time of 24.2 ms for NLC was successfully observed. Consequently, the iso-viewing angle, fast response time, and low driving voltage characteristics using a VA -1/4 π cell and a VA-π cell on a rubbed PI surface can be achieved.",

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AB - We investigated the wide viewing angle and the fast response time characteristics for negative dielectric anisotropy nematic liquid crystal (NLC) using a vertical-alignment (VA) mode on a rubbed polyimide (PI) surface. Good voltage-transmittance (V-T) curves using a VA - 1/4 π cell and a VA-π cell without a negative compensation film were measured. The iso-viewing angle characteristics using a VA - 1/4 π cell and a VA-π cell without a negative compensation film can be achieved. The fast response time of 24.2 ms for NLC was successfully observed. Consequently, the iso-viewing angle, fast response time, and low driving voltage characteristics using a VA -1/4 π cell and a VA-π cell on a rubbed PI surface can be achieved.

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