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Yuan-Qiang Li
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Eindhoven, NL
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Patents Grants
last 30 patents
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Patent Grant
Luminescent material and light emitting diode using the same
Patent number
7,485,243
Issue date
Feb 3, 2009
Osram Opto Semiconductors GmbH
Hubertus T. Hintzen
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Luminescent material, especially for LED application
Patent number
7,351,356
Issue date
Apr 1, 2008
Osram Opto Semiconductor GmbH
Anne Charlotte Antoinette Delsing
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
Luminescent material and light emitting diode using the same
Publication number
20060033081
Publication date
Feb 16, 2006
Hubertus T. Hintzen
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Patent Application
Luminescent material, especially for led application
Publication number
20050205845
Publication date
Sep 22, 2005
Anne Charlotte Antoinette Delsing
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...