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.:
Date of Patent:
Dec. 26, 2023
Filed:
Mar. 23, 2021
Guangdong Oppo Mobile Telecommunications Corp., Ltd., Guangdong, CN;
Xin Yang, Guangdong, CN;
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Dongguan, CN;
Abstract
An electrochromic device includes: a first substrate and a second substrate provided opposite to each other; a first transparent conductive layer and a second conductive layer provided between the first substrate and the second substrate; an electrochromic layer provided between the first transparent conductive layer and the second conductive layer; a bottom printed layer provided on a surface of the second substrate away from the second conductive layer; and a pattern layer. An orthographic projection of the pattern layer on the first substrate covers at most a part of a surface of the first substrate, and a color of the electrochromic device varies as a voltage between the first transparent conductive layer and the second conductive layer changes.