Hubert Maiwald

Optoelektronischer Halbleiterchip und Verfahren zu dessen Herstellung

Optoelectronic semiconductor chip and method for fabrication thereof

Wafer holding device for semiconductor chips in wafers has holed suction device on vacuum chamber that is transparent to electromagnetic radiation

Control circuit for controlling lamps switched into series, has electronic switches arranged parallel to lamps and short circuited during activation of lamps that are switched into series and comprise common reference potential

Light-emitting diode arrangement and light-emitting means, in particular with such a light-emitting diode arrangement

Circuit Arrangement and Method for Operating an LED Chain on AC Voltage

Luminous device and method for cooling a semiconductor light source

OPTOELECTRONIC SEMICONDUCTOR CHIP AND METHOD FOR MANUFACTURING THEREOF

Circuit and method for the operation of an led string supplied with alternating voltage

Circuit arrangement and method for operating an LED chain and lighting device with such a circuit arrangement and a LED chain