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IPS-LCD using a glass substrate and an anisotropic polymer film

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7 Author(s)
Lin, Yi-Hsin ; Coll. of Opt. & Photonics, Univ. of Central Florida, Orlando, FL, USA ; Ren, Hongwen ; Gauza, S. ; Yung-Hsun Wu
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A lightweight in-plane-switching liquid crystal display (IPS-LCD) using a single glass substrate and an anisotropic polymeric film is demonstrated. The liquid crystal molecules are aligned by the elongated polymer grain of the film. The alignment capability of the anisotropic film is comparable to a buffed polyimide layer. Compared to the LCD using two glass substrates, our new device exhibits a comparable contrast ratio (∼514:1), driving voltage, and response time because of good LC alignment. Such an anisotropic film can also function as a phase compensation film for widening the viewing angle. This technology is particularly attractive for making single-substrate displays and also has potential for a double-layered guest-host display and a flexible display using IPS LCDs.

Published in:

Display Technology, Journal of  (Volume:2 ,  Issue: 1 )

Date of Publication:

March 2006

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