Paper Title:
Rolic® LCMO Photo Alignment Technology: Mechanism and Application to Large LCD Panels
  Abstract

Rolic® Light Controlled Molecular Orientation (LCMO) technology is the basis for todays advanced mass production technologies for large LCD-TV panel, high-resolution 3D patterned-retarders and high-resolution optical security devices. This fundamental technology allows an easy achievement of high resolution azimuthal LC-director patterns with defined bias angles, from homogeneous planar to homeotropic orientation, depending on the target application [1-7]. In addition to the control of bias angles, LCD panel manufacturers require alignment layers with a wide range of optimized properties. Thin alignment films must be easily coatable and should have high photosensitivity in order to achieve fast processing. The photoalignment film should also have high stability and good electrical properties such as Voltage Holding Ratio (VHR), Residual DC (RDC) and image sticking. Because of in-situ photo crosslinking during processing [1, 2], our proprietary LCMO photoalignment technology is shown to be thermally and optically stable. Last years, enormous progress has been made in the development of advanced materials that meet all requirements for mass production of large-area flat panel displays. LCMO-VA technology, for vertical alignment LCDs, is the basis for the state of the art UV2 A production technology recently used in the manufacturing of advanced new generation LCD-TV panel displays with reduced production costs and low energy consumption [8, 9]. LCMO-VA mechanism and performances of state of the art materials will be discussed.

  Info
Periodical
Solid State Phenomena (Volumes 181-182)
Chapter
I. Physics of Liquid Crystals
Edited by
Yuan Ming Huang
Pages
3-13
DOI
10.4028/www.scientific.net/SSP.181-182.3
Citation
M. Ibn-Elhaj, S. Chappellet, F. Lincker, "Rolic® LCMO Photo Alignment Technology: Mechanism and Application to Large LCD Panels", Solid State Phenomena, Vols. 181-182, pp. 3-13, 2012
Online since
November 2011
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