IP Library › Patent Application 18545355
Patent Application
App. No. 18/545,355

ELECTROCHROMIC DEVICES HAVING N-DOPED CONDUCTIVE POLYMER AS TRANSPARENT CONDUCTING LAYER, ION STORAGE LAYER, AND/OR ELECTROCHROMIC LAYER

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Quick Facts
Patent No.
US None
App. No.
18/545,355
Filed
Dec 19, 2023
Art Unit
1724
USPC
430/319
Abstract

A method for forming an electrochromic device includes: forming a first conducting layer on a first substrate; forming a first electrolyte layer on the first conducting layer; forming a second conducting layer on a second substrate; forming an electrochromic layer on the second conducting layer; forming a second electrolyte layer on the electrochromic layer; and laminating the first substrate and the second substrate such that the first electrolyte layer is in contact with the second electrolyte layer.

Claims (66)

1 . A method for forming an electrochromic device, comprising:

forming a first conducting layer on a first substrate;

forming a first electrolyte layer on the first conducting layer;

forming a second conducting layer on a second substrate;

forming an electrochromic layer on the second conducting layer;

forming a second electrolyte layer on the electrochromic layer; and

laminating the first substrate and the second substrate such that the first electrolyte layer is in contact with the second electrolyte layer.

2 . The method of claim 1 , further comprising:

patterning the second conducting layer to form second areas and second electric interconnects between adjacent second areas.

3 . The method of claim 2 , wherein:

forming the electrochromic layer on the second conducting layer comprises: patterning the electrochromic layer to form an electrochromic film on each of the second areas, wherein the electrochromic films are separated from each other; and

forming the second electrolyte layer on the electrochromic layer comprises: forming the second electrolyte layer on each of the electrochromic films and the second electric interconnects, and in a gap between the adjacent second areas.

4 . The method of claim 3 , wherein the first conducting layer comprises an n-doped organic conductive polymer with a formula of

wherein X is O, S, or Se; each of m and n is an integer greater than zero; each of R 1 and R 2 is independently selected from one of hydrogen or C 1 -C 10 alkyl; and M + is an organic or metal cation.

5 . The method of claim 2 , wherein:

forming the electrochromic layer on the second conducting layer comprises: patterning the electrochromic layer to form an electrochromic film on each of the second areas, wherein the electrochromic films are separated from each other; and

forming the second electrolyte layer on the electrochromic layer comprises: patterning the second electrolyte layer to form a second electrolyte film on each of the electrochromic films, wherein the second electrolyte films are separated from each other.

6 . The method of claim 5 , further comprising:

patterning the first conducting layer to form first areas and first electric interconnects between adjacent first areas,

wherein the first conducting layer comprises an n-doped organic conductive polymer with a formula of

wherein X is O, S, or Se; each of m and n is an integer greater than zero; each of R 1 and R 2 is independently selected from one of hydrogen or C 1 -C 10 alkyl; M + is an organic or metal cation.

7 . The method of claim 6 , wherein forming the first electrolyte layer on the first conducting layer comprises:

patterning the first electrolyte layer to form a first electrolyte film on each of the first areas, wherein the first electrolyte films are separated from each other; and

wherein laminating the first substrate and the second substrate such that the first electrolyte layer is in contact with the second electrolyte layer comprises:

laminating the first substrate and the second substrate such that the first electrolyte films are in contact with the second electrolyte films.

8 . The method of claim 7 , wherein at least one of the patterning operations is performed by photolithography or a printing method.

9 . The method of claim 1 , wherein the second conducting layer comprises an n-doped organic conductive polymer with a formula of

wherein X is O, S, or Se; each of m and n is an integer greater than zero; each of R 1 and R 2 is independently selected from one of hydrogen or C 1 -C 10 alkyl; and M + is an organic or metal cation.

10 . The method of claim 1 , further comprising:

forming an ion storage layer between the first conducting layer and the first electrolyte layer.

11 . The method of claim 10 , further comprising:

patterning the second conducting layer to form second areas and second electric interconnects between adjacent second areas.

12 . The method of claim 11 , wherein:

forming the electrochromic layer on the second conducting layer comprises: patterning the electrochromic layer to form an electrochromic film on each of the second areas, wherein the electrochromic films are separated from each other; and

forming the second electrolyte layer on the electrochromic layer comprises: forming the second electrolyte layer on each of the electrochromic films and the second electric interconnects, and in a gap between the adjacent second areas.

13 . The method of claim 11 , wherein:

forming the electrochromic layer on the second conducting layer comprises: patterning the electrochromic layer to form an electrochromic film on each of the second areas, wherein the electrochromic films are separated from each other; and

forming the second electrolyte layer on the electrochromic layer comprises: patterning the second electrolyte layer to form a second electrolyte film on each of the electrochromic films, wherein the second electrolyte films are separated from each other.

14 . The method of claim 13 , further comprising:

patterning the first conducting layer to form first areas and first electric interconnects between adjacent first areas.

15 . The method of claim 14 ,

wherein forming the ion storage layer between the first conducting layer and the first electrolyte layer comprises: patterning the ion storage layer to form an ion storage film on each of the first areas, wherein the ion storage films are separated from each other;

wherein forming the first electrolyte layer on the first conducting layer comprises: patterning the first electrolyte layer to form a first electrolyte film on each of the ion storage films, wherein the first electrolyte films are separated from each other; and

wherein laminating the first substrate and the second substrate such that the first electrolyte layer is in contact with the second electrolyte layer comprises: laminating the first substrate and the second substrate such that the first electrolyte films are in contact with the second electrolyte films.

16 . The method of claim 15 , wherein at least one of the patterning operations is performed by photolithography or a printing method.

17 . The method of claim 10 , wherein the second conducting layer comprises an n-doped organic conductive polymer with a formula of

wherein X is O, S, or Se; each of m and n is an integer greater than zero; each of R 1 and R 2 is independently selected from one of hydrogen or C 1 -C 10 alkyl; and M + is an organic or metal cation.

18 . A method for forming an electrochromic device, comprising:

coating a first conducting layer on a first substrate, wherein the first conducting layer comprises an n-doped organic conductive polymer with a formula of

wherein X is O, S, or Se; each of m and n is an integer greater than zero; each of R 1 and R 2 is independently selected from one of hydrogen or C 1 -C 10 alkyl; M + is an organic or metal cation;

patterning the first conducting layer to form first areas and first electric interconnects between adjacent first areas;

coating a second conducting layer on a second substrate;

patterning the second conducting layer to form second areas and second electric interconnects between adjacent second areas; and

performing one of the following:

a) forming an electrolyte layer on each of the first areas, wherein the electrolyte layers are separated from each other; forming an electrochromic layer on each of the electrolyte layers, wherein the electrochromic layers are separated from each other; and laminating the first substrate and the second substrate such that the electrochromic layers are in contact with the second areas; or

b) forming an electrochromic layer on each of the second areas, wherein the electrochromic layers are separated from each other; forming an electrolyte layer on each of the electrochromic layers, wherein the electrolyte layers are separated from each other; and

laminating the first substrate and the second substrate such that the electrolyte layers are in contact with the first areas.

19 . The method of claim 18 , wherein at least one of the patterning operations is performed by photolithography or a printing method.

20 . A method for forming an electrochromic device, comprising:

coating a first conducting layer on a first substrate, wherein the first conducting layer comprises an n-doped organic conductive polymer with a formula of

wherein X is O, S, or Se; each of m and n is an integer greater than zero; each of R 1 and R 2 is independently selected from one of hydrogen or C 1 -C 10 alkyl; M + is an organic or metal cation;

patterning the first conducting layer to form first areas and first electric interconnects between adjacent first areas;

coating a second conducting layer on a second substrate; and

performing one of the following:

a) forming an electrochromic layer on each of the first areas, wherein the electrochromic layers are separated from each other; forming an electrolyte layer on the electrochromic layer; and laminating the first substrate and the second substrate such that the electrolyte layer is in contact with the second conducting layer; or

b) forming an electrolyte layer on the second conducting layer; forming an electrochromic layer on the electrolyte layer; patterning the electrochromic layer to form a plurality of electrochromic-layer areas on the electrolyte layer; and laminating the first substrate and the second substrate such that the electrochromic-layer areas are in contact with the first areas.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 2, 2026
From: MEI, JIANGUO; ROUT, PRIYANKA; SONG, INHO; ABTAHI, ASHKAN
To: AMBILIGHT INC
Reel/Frame 073661/0916 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 19, 2023
From: MEI, JIANGUO; SONG, INHO; ABTAHI, ASHKAN
To: AMBILIGHT INC
Reel/Frame 065912/0669 →