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Träfflista för sökning "LAR1:gu ;mspu:(patent);spr:eng;srt2:(2004)"

Search: LAR1:gu > Patent > English > (2004)

  • Result 1-2 of 2
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1.
  • Komitov, Lachezar, 1944, et al. (author)
  • Liquid crystal device and method its fabrication
  • 2004
  • Patent (other academic/artistic)abstract
    • The invention relates to a liq. crystal device comprising a liq. crystal bulk layer and a surface-director alignment layer comprising side-chains arranged to interact with the bulk layer, wherein the orientation of the bulk layer mols. and the orientation of said side-chains each is directly controllable by an elec. field via dielec. coupling, thus resulting in a decreased total time period (rise and decay times) needed to switch and relax the liq. crystal bulk mols. in response to an applied external field. The invention also relates to a method for manufg. a liq. crystal device and a method of controlling a liq. crystal bulk layer.
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2.
  • Komitov, Lachezar, 1944, et al. (author)
  • Polymers for use as alignment layers in liquid crystal devices
  • 2004
  • Patent (other academic/artistic)abstract
    • The invention relates to a polymer for use as a surface-director alignment layer in a liq. crystal device, said polymer comprising a polymeric backbone and side-chains attached thereto, wherein the polymeric backbone lacks directly coupled ring structures, and each side-chain of at least some of the side-chains comprises >=2 unsubstituted and/or substituted phenyls coupled via a coupling selected from a carbon-carbon single bond, a carbon-carbon double bond contg. unit (CH:CH), a carbon-carbon triple bond contg. unit (C==C), a methylene eter unit (CH2O) , an ethylene eter unit (CH2CH2O), an ester unit (COO) and an azo unit (N:N), exhibits a permanent and/or induced dipole moment that in ordered phase provides dielec. anisotropy, and is attached to the polymeric backbone via at least two spacing atoms. Thus, 4'-(11,11-diethoxyundecyloxy)biphenyl-4-carbonitrile 0.70, octanal 0.081, and polyvinyl alc. 0.198 g were reacted in DMF at 55 Deg for 24 h to give a side-chain liq. crystal polymer, which was fabricated into a liq. crystal device as alignment layer.
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  • Result 1-2 of 2
Type of publication
patent  (2)Undo refine
Type of content
other academic/artistic (2)
Author/Editor
Komitov, Lachezar, 1 ... (2)
Helgee, Bertil, 1947 (1)
Helgee, Bertil (1)
Felix, Johan (1)
University
University of Gothenburg (2)
Language
English (2)Undo refine
Research subject (UKÄ/SCB)
Engineering and Technology (2)
Year
2004 (2)Undo refine

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