Study of optimized curing conditions for polymer-stabilized pi-cell with compensation film
- Authors
- Jeong, Seung Yeon; Kim, Dong Woo; Rhie, Kung Won; Hong, Mun Pyo; Bos, Philip; Jang, Won Gun; Kim, Kyeong Hyeon; Shin, Sung Tae
- Issue Date
- 3월-2008
- Publisher
- JAPAN SOC APPLIED PHYSICS
- Keywords
- pi-cell; polymer-network; polymerization; optically compensated bend; bend state; compensation film
- Citation
- JAPANESE JOURNAL OF APPLIED PHYSICS, v.47, no.3, pp.1647 - 1650
- Indexed
- SCIE
SCOPUS
- Journal Title
- JAPANESE JOURNAL OF APPLIED PHYSICS
- Volume
- 47
- Number
- 3
- Start Page
- 1647
- End Page
- 1650
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/123963
- DOI
- 10.1143/JJAP.47.1647
- ISSN
- 0021-4922
- Abstract
- The pi-cell is one of the candidates for replacing the twisted nematic (TN) and in-plane switching (IPS) modes. It has a fast switching speed and a good viewing angle owing to its self-compensated director configuration. In this paper, we report the optimized conditions for polymer-network stabilization to prevent the bend state from transforming into the (transitioning) splay state. Excellent electro-optical characteristic were obtained by optimizing various conditions: monomer concentrations in liquid crystal (LC), UV intensity, curing time, curing voltage, curing temperature and the retardation of the compensation film. Scanning electron microscopy (SEM) images revealed the structures of the stabilized polymer network in a pi-cell, which is the key factor for maintaining the bend state.
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- Appears in
Collections - College of Science and Technology > Semiconductor Physics in Division of Display and Semiconductor Physics > 1. Journal Articles
- Graduate School > Department of Applied Physics > 1. Journal Articles
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