US Patent Issued to TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY on Feb. 17 for "Light-emitting substrate and manufacturing method thereof" (Chinese Inventor)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,379, issued on Feb. 17, was assigned to TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY Co. LTD. (Shenzhen, China).

"Light-emitting substrate and manufacturing method thereof" was invented by Yongchao Zhao (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting substrate and a manufacturing method thereof are provided. The reactivity of part of the ink layer outside the preset area that is far from the light with the first preset wavelength is improved by a heating process. Thus, the part of the ink layer reacts sufficiently under irradiation of the light with the first preset wavelength at lower energy. This improves an undercut ...