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:
Aug. 10, 2021
Filed:
Apr. 20, 2017
Kinestral Technologies, Inc., South San Francisco, CA (US);
William S. Bergh, South San Francisco, CA (US);
Jonathan Ziebarth, South San Francisco, CA (US);
John Bass, South San Francisco, CA (US);
Howard Turner, South San Francisco, CA (US);
KINESTRAL TECHNOLOGIES, INC, Hayward, CA (US);
Abstract
The current invention describes an electrochromic panel having optimized visual properties. The properties have been optimized to provide an electrochromic panel having a very transparent clear state and a very black and opaque dark state. The coloration of the electrochromic panel has also been optimized to provide options for aesthetically pleasing windows. In one embodiment, the clear state comprises a CIE-Lab L* in transmission from 70 to 95, b* in transmission from −8 to 8, and a* in transmission from −4 to 4 and a dark state comprises a Tvis less than 0.01%, a CIE-Lab b* in transmission from −8 to 8, and a CIE-Lab a* in transmission from −8 to 8.