Electrochromic materials and displays
First Claim
1. An electrochromic laminate comprising:
- (a) an electrically conductive, essentially ionically isolative composite layer of electroconductive particles dispersed in a polymeric matrix;
(b) an ionically conductive layer in contact with electrochromic material wherein said electrochromic material is in said polymeric matrix or in a layer on said polymeric matrix; and
(c) means for applying an electrical potential across the interface of the ionically conductive layer and the electrochromic material to generate an electrochromic effect at said interface.
0 Assignments
0 Petitions
Accused Products
Abstract
Dispersions of electrically conductive particles useful for preparing electrically conductive, essentially ionically isolative composite layers having electrically conductive particles dispersed in a polymer matrix. Composite layers can be used in laminates for electrochromic displays where an ionically conductive layer is in contact with electrochromic material. Such displays comprise means for applying an electrical potential across the interface of the ionically conductive layer and the electrochromic material to generate an electrochromic effect at the interface. Electrochromic materials can be provided in the laminates as layers between the ionically conductive layer and the composite layer of electrically conductive particles dispersed in a polymer matrix. Alternatively, the electrochromic material can be incorporated in the conductive particles in the polymer matrix, e.g. as titanium dioxide coated with antimony tin oxide coated with polyaniline dispersed in an light transmitting polymer matrix. The materials of this invention allow for the high speed fabrication of flexible displays, e.g. by printing methods.
-
Citations
21 Claims
-
1. An electrochromic laminate comprising:
-
(a) an electrically conductive, essentially ionically isolative composite layer of electroconductive particles dispersed in a polymeric matrix; (b) an ionically conductive layer in contact with electrochromic material wherein said electrochromic material is in said polymeric matrix or in a layer on said polymeric matrix; and (c) means for applying an electrical potential across the interface of the ionically conductive layer and the electrochromic material to generate an electrochromic effect at said interface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
-
Specification