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Title:
OPTICAL ELEMENT AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2010/058799
Kind Code:
A1
Abstract:
The present invention provides a technique by which a multi-color image can be displayed with excellent color reproducibility.  An optical element (10) comprises an optically variable layer (13) containing a dielectrically anisotropic material (LC) and a solvatochromic dye (SD), and electrodes (12a, 12b) for applying a voltage to the optically variable layer (13).

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Inventors:
YAMAGUCHI HAJIME (JP)
HASEGAWA REI (JP)
MIYAZAKI TAKASHI (JP)
NAGATO HITOSHI (JP)
OOOKA HARUHI (JP)
Application Number:
PCT/JP2009/069577
Publication Date:
May 27, 2010
Filing Date:
November 18, 2009
Export Citation:
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Assignee:
TOSHIBA KK (JP)
YAMAGUCHI HAJIME (JP)
HASEGAWA REI (JP)
MIYAZAKI TAKASHI (JP)
NAGATO HITOSHI (JP)
OOOKA HARUHI (JP)
International Classes:
G02F1/17; C09B57/00; G02F1/13; G02F1/137; G02F1/361; G09F9/30; G09F9/35
Foreign References:
JP2004233655A2004-08-19
Other References:
HIROKI IWANAGA ET AL.: "Oligothiophene dyes for guest-host liquid crystal displays", LIQUID CRYSTALS, vol. 27, no. 1, 2000, pages 115 - 123
LARS-OLOF PALSSON ET AL.: "ORIENTATION AND SOLVATOCHROMISM OF DYES IN LIQUID CRYSTAL", MOL. CRYST. LIQ. CRYST., vol. 402, 2003, pages 43(279) - 53(289)
Attorney, Agent or Firm:
SUZUYE, Takehiko et al. (JP)
Takehiko Suzue (JP)
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