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LIQUID CRYSTAL DISPLAY DEVICE

Foreign code F110004390
File No. B58-01WO
Posted date Jul 14, 2011
Country Canada
Application number 2560342
Gazette No. 2560342
Gazette No. 2560342
Date of filing Mar 15, 2005
Gazette Date Sep 29, 2005
Gazette Date Aug 25, 2009
Priority data
  • P2004-079563 (Mar 19, 2004) JP
  • P2004-192448 (Jun 30, 2004) JP
Title LIQUID CRYSTAL DISPLAY DEVICE
Abstract

Presents a liquid crystal display device that does not require a surface orientation treatment, dramatically improves the response rate of dynamic image displays and does not experience light leaks when the display is black, which means to yield a dark field of vision. The liquid crystal display device comprises polymer-stabilized blue phase liquid crystals sandwiched between a pair of clear substrates. The liquid crystal display device obtained using polymer-stabilized blue phase liquid crystals exhibits large double refraction changes when an electrical field is applied in an in-plane direction to the cell substrates. The polymer-stabilized blue phase liquid crystal comprises a low molecular weight liquid crystal that allows a blue phase to appear between cholesteric and isotropic phases and a polymer network formed in the low molecular weight liquid crystals.

Furthermore a liquid crystal display device that does not leak light when th e display is black (yields a dark field of vision) can be obtained by optimizing the type and amount of a chiral dopant added to the liquid crystals.

  • Applicant
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • Inventor
  • HISAKADO, YOSHIAKI,
  • NAGAMURA, TOSHIHIKO,
  • KAJIYAMA, TISATO,
  • KIKUCHI, HIROTSUGU
IPC(International Patent Classification)
Reference ( R and D project ) SORST Selected in Fiscal 2003
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