US Patent Issued to TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY on Sept. 22 for "Electrochromic composition, anti-peep film, and display device" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,989, issued on Sept. 22, was assigned to TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY Co. LTD. (Shenzhen, China).

"Electrochromic composition, anti-peep film, and display device" was invented by Siyang Tu (Shenzhen, China), Hangchuan Zhang (Shenzhen, China) and Lixuan Chen (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrochromic composition, an anti-peep film, and a display device are provided. The electrochromic composition includes an acid-sensitive dye, an electrogenic acid, an ionic liquid, and a solvent. The acid-sensitive dye is capable of switching between a transparent state and a colored state in accordance with a cha...