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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12729338 B1

PDFFull Text
Date of Patent:
Sep. 08, 2026

Filed:

Jun. 28, 2021

Electrochromic device and manufacturing method therefor

Applicant:

Dongjin Semichem Co., Ltd, Incheon, KR;

Inventors:

Young Mi Kim, Seongnam-si, KR;

Jong Bok Kim, Seongnam-si, KR;

Jong Gyu Baek, Seongnam-si, KR;

Joo Cheol Lee, Seongnam-si, KR;

Kyu Soon Shin, Seongnam-si, KR;

Assignee:

DONGJIN SEMICHEM CO., LTD., Incheon, KR;

Attorneys:

United One Law Group LLC

Kongsik Kim

Jhongwoo Peck

Primary Examiner:

Sheeba Ahmed

Int. Cl.
CPC ...
C09K 9/02 (2006.01); G02F 1/1516 (2019.01); G02F 1/1523 (2019.01);
U.S. Cl.
CPC ...
C09K 9/02 (2013.01); G02F 1/1516 (2019.01); G02F 1/1523 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1018 (2013.01); C09K 2211/1425 (2013.01); C09K 2211/1433 (2013.01);
Abstract

Disclosed are an electrochromic device and a manufacturing method therefor. The disclosed electrochromic device may comprise: a first electrochromic layer made of a first electrochromic agent; and a second electrochromic layer located on at least one surface of the first electrochromic layer and made of at least one of a second electrochromic derivative and a second electrochromic agent.

Find Patent Forward Citations

Kim, Young. (2026). Electrochromic device and manufacturing method therefor (U.S. Patent No. 12729338). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12729338

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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