Wide-view and sunlight readable transflective liquid-crystal display for mobile applications

A wide-view single cell gap transflective liquid-crystal display (TR-LCD) using the fringe field switching effect is proposed by incorporating a quarter-wave in-cell-retarder below the liquid-crystal (LC) cell in the reflective part. By optimizing the angle between the electrode stripes and the LC r...

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Bibliographic Details
Published in:Optics letters 2008-11, Vol.33 (22), p.2623-2625
Main Authors: ZHIBING GE, WU, Shin-Tson, SEUNG HEE LEE
Format: Article
Language:English
Subjects:
Display devices, liquid-crystal devices
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Optical elements, devices, and systems
Optics
Physics
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Summary:A wide-view single cell gap transflective liquid-crystal display (TR-LCD) using the fringe field switching effect is proposed by incorporating a quarter-wave in-cell-retarder below the liquid-crystal (LC) cell in the reflective part. By optimizing the angle between the electrode stripes and the LC rubbing direction in the transmissive and the reflective regions, this TR-LCD exhibits a high optical efficiency and good match between the voltage-dependent transmittance and reflectance curves. Without using any phase compensation films, this TR-LCD exhibits a wide view with 10:1 contrast ratio over a 60 degrees viewing cone in the transmissive mode and over a 40 degrees cone in the reflective mode, which is adequate for mobile displays.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.33.002623