| Patent Number |
Title Of Patent |
Date Issued |
| 6836383 |
Diphenylsquarylium compound and filter for display containing the same |
December 28, 2004 |
| The object of the invention is to provide a diphenylsquarylium compound which has a sharp minimum value within the wavelength range of from 550 to 610 nm in the light transmittance curve and from which a filter causing no reduction of brightness of the visual field can be obtained when u |
| 6638624 |
Squarylium dye and filter for display device |
October 28, 2003 |
| A filter for a display device, which comprises a dipyrazolylsquarylium dye represented by formula: ##STR1##wherein A and B each independently represent a substituted or unsubstituted pyrazolyl group. The filter is excellent in resistance to heat and light and gives no adverse influen |
| 5280373 |
Light modulating device including a liquid crystal, a polymer and dichroic dyes having maximum a |
January 18, 1994 |
| A light modulating device comprising a pair of electrode substrates having supported therebetween an electrically light modulating material containing a liquid crystal and a polymer, in which said light modulating material further contains (1) a combination of a dichroic dye having a |
