Taiwan-Asia Semiconductor (TAS, formerly Opto Tech) expects its entry in the compound semiconductor sector to bear fruit and start contributing to the company's revenue growth at the...

LED chip maker Taiwan-Asia Semiconductor (TAS, renamed from Opto Tech) is the exclusive supplier of short-wave infrared (IR) LED devices used in the body temperature sensor of Apple...

Taiwan-Asia Semiconductor (TAS, formerly Opto Tech) will start sending samples of gallium nitride (GaN) and silicon carbide (SiC) devices in 2023, according to the company.