US Patent Issued on April 7 for "Systems and methods for series-connected VCSEL array" (American, Chinese Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,761, issued on April 7.

"Systems and methods for series-connected VCSEL array" was invented by Dongseok Kang (Mt Pleasant, Mich.), Yongxiang He (Sunnyvale, Calif.), Siva Kumar Lanka (Reno, Nev.) and Yang Wang (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A VCSEL array comprises series-connected VCSEL sub-arrays formed on a single chip. The VCSEL sub-arrays each comprises VCSEL emitters fabricated on a semi-insulating layer. A common cathode contact of a VCSEL sub-array is electrically connected to a common anode contact of a neighboring VCSEL sub-array. To reduce leakage, the bandgap energy level of the semi-insulating layer is higher...