US Patent Issued to SOUTH CHINA UNIVERSITY OF TECHNOLOGY on April 8 for "Red light emitting glass ceramic and preparation method thereof, and LED/LD light emitting device" (Chinese Inventors)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,269,770, issued on April 8, was assigned to SOUTH CHINA UNIVERSITY OF TECHNOLOGY (Guangzhou, China).

"Red light emitting glass ceramic and preparation method thereof, and LED/LD light emitting device" was invented by Zhiguo Xia (Guangzhou, China), Tao Hu (Guangzhou, China) and Qinyuan Zhang (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a red light emitting glass ceramic and a preparation method thereof, and an LED/LD light emitting device. A2Al4Si5O18:Eu2+ cordierite of the red light emitting glass ceramic capable of realizing blue light excited red light emission is a crystal phase material, wherein A i...