Single cell-gap transflective liquid crystal device created by controlling the pretilt angle using a liquid crystalline reactive monomer

We present a single cell-gap transflective liquid crystal (LC) device using a homogeneous alignment polyimide (H-PI) mixed with a liquid crystalline reactive monomer that is able to vertically align the LC. We obtain two different pretilt angles in each pixel through the region by region control of...

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Bibliographic Details
Published in:Optics express 2011-12, Vol.19 (25), p.25617
Main Authors: Jeon, Eun-Young, Kim, Ki-Han, Lee, Ji-Hoon, Yoon, Tae-Hoon
Format: Article
Language:English
Subjects:
Equipment Design
Equipment Failure Analysis
Liquid Crystals - chemistry
Photometry - instrumentation
Refractometry - instrumentation
Resins, Synthetic - chemistry
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Summary:We present a single cell-gap transflective liquid crystal (LC) device using a homogeneous alignment polyimide (H-PI) mixed with a liquid crystalline reactive monomer that is able to vertically align the LC. We obtain two different pretilt angles in each pixel through the region by region control of the UV exposure time. The smaller pretilt angle is used to obtain a half-wave phase retardation for the transmissive part, whereas the larger pretilt angle is used to obtain a quarter-wave phase retardation for the reflective part.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.19.025617