Liquid crystal display element and light-modulating material

Details Liquid crystal display element and light-modulating material Liquid crystal display element and light-modulating material

2008-07-08

2008-07-08

Wu, Shean C (Department: 1795)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With viewing layer of specified composition

C252S299010, C252S299100, C252S299500, C252S582000

Reexamination Certificate

active

11607857

ABSTRACT:
The invention provides a liquid crystal display element and a light-modulating material each containing at least one low molecular weight gelling agent, at least one dichroic dye having a substituent represented by formula (1) and at least one host liquid crystal between a pair of electrodes at least one of which is a transparent electrode. Representations in formula (1) are: Het, O or S; B1and B2, divalent arylene, heteroarylene or alicyclic hydrocarbon group; Q1, divalent linking group; C1, alkyl, cycloalkyl, alkoxy, alkoxycarbonyl, acyl or acyloxy group; j, 0 or 1; p, q and r, an integer 0 to 5; n, an integer 1 to 3; and (p+r)×n is an integer 3 to 10.in-line-formulae description="In-line Formulae" end="lead"?-(Het)j-[(B1)p-(Q1)q-(B2)r]n-C1  Formula (1)in-line-formulae description="In-line Formulae" end="tail"?

REFERENCES:
patent: 6730241 (2004-05-01), Obi et al.
patent: 6846540 (2005-01-01), Yumoto et al.
patent: 7042536 (2006-05-01), Hiji et al.
patent: 2004/0232382 (2004-11-01), Okamura et al.
patent: 2005/0072962 (2005-04-01), Takaku
patent: 2005/0218376 (2005-10-01), Izumi
patent: 2001-21924 (1999-07-01), None
patent: 2001-21924 (2001-01-01), None
English translation by computer fro JP 2001-21924, http://www4.ipdl.inpit.go.jp/Tokujitu/PAJdetail.ipdl?N0000=60&N0120=01&N2001=2&N3001=2001-021924.
J. Mater, Chem. vol. 12, p. 2197-2201, 2002.

Affiliated with

Also associated with

Rating

Liquid crystal display element and light-modulating material does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Liquid crystal display element and light-modulating material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Liquid crystal display element and light-modulating material will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3928221