Osram Opto Semiconductors Gmbh

Osram Oled Gmbh

Tilman Ruegheimer

Frank Singer

Norwin Von Malm

Hubert Halbritter

Thomas Schwarz

Peter Brick

Laura Kreiner

Thomas Kippes

Jean-Jacques Drolet

Stefan Illek

Juergen Dachs

A semiconductor device includes a first semiconductor body including a substrate having a first thickness, wherein the first semiconductor body includes a first active zone that generates or receives radiation, and a second semiconductor body having a second thickness smaller than the first thickness and including a tear-off point is arranged on the substrate and connected in an electrically conducting manner to the first semiconductor body, wherein the second semiconductor body includes a second active zone that generates or receives radiation, and the second active zone generates radiation and the first active zone detects the radiation, and the first semiconductor body includes contacts on its underside for connection to the semiconductor device.

Semiconductor device

The invention relates to various aspects of a &#x3bc;-LED or a &#x3bc;-LED array for augmented reality or lighting applications, in particular in the automotive field. The &#x3bc;-LED is characterized by particularly small dimensions in the range of a few &#x3bc;m.

&#x3bc;-LED, &#x3bc;-LED device, display and method for the same

In one embodiment of the invention, the semiconductor laser () comprises a semiconductor layer sequence (). The semiconductor layer sequence () contains an n-type region (), a p-type region () and an active zone () lying between the two. A laser beam is produced in a resonator path (). The resonator path () is aligned parallel to the active zone (). In addition, the semiconductor laser () contains an electrical p-contact () and an electrical n-contact () each of which is located on the associated region () of the semiconductor layer sequence () and is configured to input current directly into the associated region (). The n-contact () extends from the p-type region () through the active zone () and into the n-type region () and is located, when viewed from above, next to the resonator path ().

Semiconductor laser and method for producing a semiconductor laser

In one embodiment of the invention, the semiconductor laser () comprises a semiconductor layer sequence (). The semiconductor layer sequence () contains an n-type region (), a p-type region () and an active zone () lying between the two. A laser beam is produced in a resonator path (). The resonator path () is aligned parallel to the active zone (). In addition, the semiconductor laser () contains an electrical p-contact () and an electrical n-contact () each of which is located on the associated region () of the semiconductor layer sequence () and is configured to input current directly into the associated region (). A p-contact surface () is electrically connected to the p-contact (), and an n-contact surface () is electrically connected to the n-contact () such that the p-contact surface () and the n-contact surface () are configured for external electrical and mechanical connection of the semiconductor laser (). The contact surfaces () are oriented parallel to a growth direction (G) of the semiconductor layer sequence (). The semiconductor laser () can be surface-mounted without wires.

Semiconductor laser and semiconductor laser arrangement

A display device is disclosed. In an embodiment a display device includes at least one connection carrier comprising a multiplicity of switches and a multiplicity of light-emitting diode chips, wherein each light-emitting diode chip is mechanically fixed and electrically connected to the connection carrier, wherein each switch is designed for driving at least one light-emitting diode chip, and wherein the light-emitting diode chips are imaging elements of the display device.

Display device

A method of producing a housing cover includes providing a cover blank having a mounting surface formed on an underside; connecting the underside of the cover blank to a silicon slice; creating at least one opening in the silicon slice to expose at least part of the mounting surface; arranging a base metallization on the exposed part of the mounting surface; and removing the silicon slice.

Method of producing a housing cover, method of producing an optoelectronic component, and optoelectronic component

A display device includes a multiplicity of pixels, at least one connection carrier, and a multiplicity of inorganic light-emitting diode chips. The connection carrier includes a multiplicity of switches. Each pixel contains at least one light-emitting diode chip. Each light-emitting diode chip is mechanically fixed and electrically connected to the connection carrier. Each switch is designed for driving at least one light-emitting diode chip and the light-emitting diode chips are imaging elements of the display device.

Growing community of inventors

Wuppertal, Germany

Tilman Ruegheimer