Benjamin Krummacher

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Sunnyvale, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Efficiency enhancement methods for OLED light source through index...
- Patent number 8,232,721
- Issue date Jul 31, 2012
- Osram Opto Semiconductors GmbH
- Wencheng Su
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method to generate high efficient devices which emit high quality l...
- Patent number 7,554,257
- Issue date Jun 30, 2009
- Osram Opto Semiconductors GmbH
- Benjamin C. Krummacher
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electroluminescent apparatus having a structured luminescence conve...
- Patent number 7,420,323
- Issue date Sep 2, 2008
- Osram Opto Semiconductors GmbH
- Benjamin Claus Krummacher
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Structured luminescence conversion layer
- Publication number 20070096634
- Publication date May 3, 2007
- Osram Opto Semiconductors GmbH
- Benjamin Claus Krummacher
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Efficiency enhancement methods for OLED light source through index...
- Publication number 20070052350
- Publication date Mar 8, 2007
- Osram Opto Semiconductors GmbH
- Wencheng Su
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Novel method to generate high efficient devices which emit high qua...
- Publication number 20060197437
- Publication date Sep 7, 2006
- Osram Opto Semiconductors GmbH
- Benjamin C. Krummacher
- B82 - NANO-TECHNOLOGY