TITLE

Multimode transflective liquid crystal display with a single cell gap using a self-masking process of photoalignment

AUTHOR(S)
Chang-Jae Yu; Dong-Woo Kim; Sin-Doo Lee
PUB. DATE
November 2004
SOURCE
Applied Physics Letters;11/29/2004, Vol. 85 Issue 22, p5146
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We demonstrate a transflective liquid crystal display (LCD), doped with a chiral agent to produce a low helical twisting power, in a multimode configuration consisting of the homogeneous alignment and the hybrid alignment. The multimode transflective LCD was fabricated by a single-step exposure of the UV light through an array of metal reflectors used as an amplitude photomask which gives an alternating homogeneous and homeotropic LC geometry. This single-step UV exposure produces no cell gap variations. In our configuration, the electro-optical disparity between the transmissive region and the reflective region was found to be significantly reduced by the low helical twisting power of the chiral dopant.
ACCESSION #
15244190

 

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