Osram Opto Semiconductors Gmbh

Osram Opto Semiconductor Gmbh

Tomin Liu

T'ing Qi'ao Leow

Kathy Schmidtke

Alexander Baumgartner

Wing Yew Wong

Hui Chiang Teoh

Mei See Boon

Hui Ying Pee

Asliza Alias

Keng Chong Lim

Lay Teng Tan

Yuan Liang

Alex Kheng Hooi Lim

In an embodiment a method includes providing a light-emitting diode chip and a phosphor body, applying a sacrificial layer to a top side of the phosphor body only, placing the phosphor body onto the light-emitting diode chip, molding an encapsulation body directly around the light-emitting diode chip and the phosphor body by a film assisted molding, wherein at least in places a top face of the sacrificial layer facing away from the phosphor body remains unsealed with a molding film, and removing the sacrificial layer so that the top side of the phosphor body is free of the sacrificial layer.

Method for producing optoelectronic semiconductor devices and optoelectronic semiconductor device

In an embodiment a radiation emitting device includes a semiconductor chip configured to emit electromagnetic radiation of a first wavelength range from a radiation exit surface and a potting comprising a matrix material and a plurality of nanoparticles, wherein a concentration of the nanoparticles in the matrix material decreases starting from the radiation exit surface of the semiconductor chip so that a refractive index of the potting decreases starting from the radiation exit surface of the semiconductor chip, and wherein the nanoparticles are coated with a shell.

Radiation emitting device and method of manufacturing a radiation emitting device

A radiation-emitting device may include a radiation-emitting semiconductor chip configured to emit electromagnetic radiation of a first wavelength range from a radiation exit surface, a first phosphor configured to convert electromagnetic radiation of the first wavelength range into electromagnetic radiation of a second wavelength range. The second wavelength range may be or include infrared light. The device may further include an up-converting phosphor configured to convert infrared light of the second wavelength range into visible light.

Radiation-emitting device

Growing community of inventors

Kuching, Malaysia

Tomin Liu