Karl Adriaan Zijtveld

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Aachen, DE

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Patents Grantslast 30 patents

Information Patent Grant
LED with ceramic green phosphor and protected red phosphor layer
- Patent number 9,379,293
- Issue date Jun 28, 2016
- Koninklijke Philips N.V.
- April Dawn Schricker
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LED WITH CERAMIC GREEN PHOSPHOR AND PROTECTED RED PHOSPHOR LAYER
- Publication number 20160276551
- Publication date Sep 22, 2016
- Koninklijke Philips N.V.
- April Dawn Schricker
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LED WITH CERAMIC GREEN PHOSPHOR AND PROTECTED RED PHOSPHOR LAYER
- Publication number 20150188001
- Publication date Jul 2, 2015
- April Dawn Schricker
- H01 - BASIC ELECTRIC ELEMENTS