Stefan BARTHEL

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Regensburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Optoelectronic device comprising a current spreading layer
- Patent number 11,916,166
- Issue date Feb 27, 2024
- OSRAM OLED GmbH
- Roland Heinrich Enzmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optoelectronic semiconductor chip
- Patent number 11,456,404
- Issue date Sep 27, 2022
- OSRAM OLED GmbH
- Roland Heinrich Enzmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor chip
- Patent number 10,263,143
- Issue date Apr 16, 2019
- Osram Opto Semiconductors GmbH
- Xue Wang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTOELECTRONIC DEVICE COMPRISING A CURRENT SPREADING LAYER
- Publication number 20210265525
- Publication date Aug 26, 2021
- OSRAM OLED GmbH
- Roland Heinrich ENZMANN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTOELECTRONIC SEMICONDUCTOR CHIP
- Publication number 20200251639
- Publication date Aug 6, 2020
- OSRAM OLED GmbH
- Roland Heinrich ENZMANN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR CHIP
- Publication number 20180301595
- Publication date Oct 18, 2018
- Osram Opto Semiconductors GmbH
- Xue WANG
- H01 - BASIC ELECTRIC ELEMENTS