| US 7,531,235 B2 | ||
| Fibre or filament | ||
| Jacob M. J. Den Toonder, Helmond (Netherlands); Johannes T. A. Wilderbeek, Veghel (Netherlands); Jan M. Krans, Den Bosch (Netherlands); and Michel P. B. Van Bruggen, Helmond (Netherlands) | ||
| Assigned to Koninklijke Philips Electronics N.V., Eindhoven (Netherlands) | ||
| Appl. No. 10/596,484 PCT Filed Dec. 14, 2004, PCT No. PCT/IB2004/052807 § 371(c)(1), (2), (4) Date Jun. 15, 2006, PCT Pub. No. WO2005/061764, PCT Pub. Date Jul. 07, 2005. |
||
| Claims priority of application No. 0329567.2 (GB), filed on Dec. 20, 2003. | ||
| Prior Publication US 2007/0195546 A1, Aug. 23, 2007 | ||
| Int. Cl. D02G 3/36 (2006.01) | ||
| U.S. Cl. 428—375 [428/364; 428/373; 428/392; 428/394; 428/397; 428/400; 428/401] | 30 Claims |
| 1. A filament or fiber comprising:
a volume modulation coloration producing substance;
an at least partially light transmitting outer sheath that is configured to form an elongated core that contains the substance;
and
an inner electrode axially located within the core that is configured to stimulate the substance to produce a change in the
volume of the substance, thereby changing the color of the filament or fiber.
|