ELECTROCHROMIC ELEMENT, LENS FOR SPECTACLES, SPECTACLES, AND METHOD OF PRODUCING ELECTROCHROMIC ELEMENT

Abstract: an electrochromic element in which an apparent undulation can be reduced, a lens for spectacles, spectacles, and a method of producing an electrochromic element. an electrochromic element is an electrochromic element in which a lens substrate and an electrochromic film are laminated together, in which an absolute value of a difference between a maximum value and a minimum value of a transmission power in all of a 40 mm�40 mm range at a center of a surface is 0.30 d or less.

Inventor(s): Hironori KAWAKAMI, Shigeki MIYAZAKI, Tadashi KAGA

CPC Classification: G02C7/101 ({having an electro-optical light valve (electro-optical elements per se )})

Search for rejections for patent application number 20250231425