Osram Opto Semiconductors Gmbh

Osram Oled Gmbh

Björn Muermann

Fabian Kopp

Korbinian Perzlmaier

Franz Eberhard

Attila Molnar

Christian Eichinger

A radiation-emitting semiconductor chip includes a semiconductor body; a first contact layer having a first contact surface for external electrical contacting of the semiconductor chip and a first contact web structure connected to the first contact surface, wherein the first contact web structure is a region of the first contact layer that, compared to the first contact surface, has a comparatively small extent at least in a lateral direction; a second contact layer, wherein first and second contact web structures overlap in places in plan view of the semiconductor chip; a current distribution layer; and an insulation layer having a plurality of openings into which the current distribution layer extends.

Radiation-emitting semiconductor chip with overlapping contact layers

An optoelectronic semiconductor device has a semiconductor body including a semiconductor layer sequence with an active region that generates radiation, a semiconductor layer and a further semiconductor layer, wherein the active region is arranged between the semiconductor layer and the further semiconductor layer, a current spreading layer is arranged on a radiation exit face of the semiconductor body, the current spreading layer connects electrically conductively with a contact structure for external electrical contacting of the semiconductor layer, in a plan view of the semiconductor device the current spreading layer adjoins the semiconductor layer in a connection region, and the current spreading layer includes a patterning with a plurality of recesses through which radiation exits the semiconductor device during operation.

Optoelectronic semiconductor device

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Wuppertal, Germany

Björn Muermann