Christianne R.M. De Witz

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Electroluminescent illumination system
- Patent number 5,928,801
- Issue date Jul 27, 1999
- U.S. Philips Corporation
- Dirk J. Broer
- G02 - OPTICS
Information Patent Grant
Edge-lit illumination system containing cholesteric polarizer and d...
- Patent number 5,856,855
- Issue date Jan 5, 1999
- U.S. Philips Corporation
- Grietje N. Mol
- G02 - OPTICS