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Sökning: hsv:(TEKNIK OCH TEKNOLOGIER) hsv:(Materialteknik) > Patent

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  • Gevorgian, Spartak, 1948, et al. (författare)
  • Tuneable microwave arrangements
  • 2009
  • Patent (övrigt vetenskapligt/konstnärligt)abstract
    • The present invention relates to a tunable microwavearrangement comprising a microwave/integratedcircuit device and a substrate. The invention also relatesto a method for tuning such a microwave arrangement
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7.
  • Komitov, Lachezar, et al. (författare)
  • Liquid crystal device and method its fabrication
  • 2004
  • Patent (övrigt vetenskapligt/konstnärligt)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. [on SciFinder (R)]Notes:Can 142:8251974-13 FIELD Section Title:Radiation Chemistry, Photochemistry, and Photographic and Other Reprographic ProcessesField url:Ae, ag, al, am, at, au, az, ba, bb, bg, br, bw, by, bz, ca, ch, cn, co, cr, cu, cz, de, dk, dm, dz, ec, ee, eg, es, fi, gb, gd, ge, gh, gm, hr, hu, id, il, in, is, jp, ke, kg, kp, kr, kz, lc, lk, lr, ls, lt, lu, lv, ma, md, mg, mk, mn, mw, mx, mz, na, ni, no, nz, om, pg, ph, pl, pt, ro, ru, sc, sd, se, sg, sk, sl, sy, tj, tm, tn, tr, tt, tz, ua, ug, us, uz, vc, vn, yu, za, zm, zw.At, be, ch, cy, de, dk, es, fi, fr, gb, gr, ie, it, lu, mc, nl, pt, se, tr, bf, bj, cf, cg, ci, cm, ga, ml, mr, ne, sn, td, tg.G02f001-1337.C09k019-02.Application: WO20040607.2004-se880Se2003-181020030623 FIELD Citations:Mazaki, H; US 5578243 A 1996|Sharp Kk; GB 2326245 A 1998|Sharp Laboratories Of Europe Ltd; WO 0123953 A1 2001|Merck Patent Gmbh; EP 1310541 A2 2003Secondary title:PCT Int. Appl.
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8.
  • Komitov, Lachezar, et al. (författare)
  • Polymers for use as alignment layers in liquid crystal devices
  • 2004
  • Patent (övrigt vetenskapligt/konstnärligt)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.tplbond.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. [on SciFinder (R)]
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9.
  • Kozachenko, Andriy, et al. (författare)
  • Cholesteric liquid crystal display (LCD) device, and method for its production
  • 2006
  • Patent (övrigt vetenskapligt/konstnärligt)abstract
    • A liq. crystal device is disclosed, having one or several display segments, and comprising: a first display substrate, a second display substrate, a layer of liq. crystal material disposed between said first and second substrate; and layer of conductive material disposed on said substrates. The conductive layers form electrodes for applying an elec. field across the liq. crystal for switching the liq. crystal material between a first optical state and a second optical state different from said first optical state. Image features of the display are further defined by the inclusion of a layer of patterned non-conductive or passive dielec. material on at least one of the substrates, said patterned material forming a mask defining image elements of the display segments.
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