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Hendrik A. Van Sprang
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Waalre, NL
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Patents Grants
last 30 patents
Information
Patent Grant
LED module
Patent number
9,082,937
Issue date
Jul 14, 2015
Koninklijke Philips N.V.
Hendrik Adrianus van Sprang
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Photonic crystal LED
Patent number
8,536,600
Issue date
Sep 17, 2013
Koninklijke Philips N.V.
Marcus Antonius Verschuuren
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light directionality sensor
Patent number
8,462,325
Issue date
Jun 11, 2013
Koninklijke Philips Electronics N.V.
Ties Van Bommel
G01 - MEASURING TESTING
Information
Patent Grant
LED module
Patent number
8,410,504
Issue date
Apr 2, 2013
Koninklijke Philips Electronics N.V.
Hendrik Adrianus Van Sprang
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Side-emitting LED light source for backlighting applications
Patent number
8,121,166
Issue date
Feb 21, 2012
Koninklijke Philips Electronics N.V.
Hendrik Adrianus Van Sprang
G02 - OPTICS
Information
Patent Grant
Electric lamp with absorbing and interference media
Patent number
7,453,190
Issue date
Nov 18, 2008
Koninklijke Philips Electronics
Hendrik Adrianus Van Sprang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electric lamp with light-absorbing medium and interference film
Patent number
6,570,302
Issue date
May 27, 2003
Koninklijke Philips Electronics N.V.
Erik Paul Boonekamp
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
X-ray irradiation apparatus including an x-ray source provided with...
Patent number
6,233,306
Issue date
May 15, 2001
U.S. Philips Corporation
Hendrik A. Van Sprang
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Reflective liquid crystal display device with twist angle between 5...
Patent number
5,490,003
Issue date
Feb 6, 1996
U.S. Philips Corporation
Hendrik A. Van Sprang
G02 - OPTICS
Information
Patent Grant
Display device having wavelength-dependent birefringence compensation
Patent number
5,157,529
Issue date
Oct 20, 1992
U.S. Philips Corporation
Henricus G. Koopman
G02 - OPTICS
Information
Patent Grant
Liquid crystalline color display cell having a phosphorescent subst...
Patent number
4,830,469
Issue date
May 16, 1989
U.S. Philips Corporation
Paulus A. Breddels
G02 - OPTICS
Information
Patent Grant
Display cell
Patent number
4,767,191
Issue date
Aug 30, 1988
U.S. Philips Corporation
Hendrik A. Van Sprang
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device with a hysteresis
Patent number
4,664,483
Issue date
May 12, 1987
U.S. Philips Corporation
Hendrik A. Van Sprang
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
Information
Patent Application
LED MODULE
Publication number
20130200416
Publication date
Aug 8, 2013
Koninklijke Philips Electronics N.V.
Hendrik Adrianus van Sprang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LED MODULE
Publication number
20130193838
Publication date
Aug 1, 2013
Koninklijke Philips Electronics N.V.
Hendrik Adrianus van Sprang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SIDE-EMITTING LED LIGHT SOURCE FOR BACKLIGHTING APPLICATIONS
Publication number
20120076167
Publication date
Mar 29, 2012
Koninklijke Philips Electronics N.V.
Hendrik Adrianus VAN SPRANG
G02 - OPTICS
Information
Patent Application
LIGHT DIRECTIONALITY SENSOR
Publication number
20110242526
Publication date
Oct 6, 2011
Koninklijke Philips Electronics N.V.
Ties Van Bommel
G01 - MEASURING TESTING
Information
Patent Application
LIGHTING ASSEMBLY
Publication number
20110205750
Publication date
Aug 25, 2011
Koninklijke Philips Electronics N.V.
Marcellinus Petrus Carolus Michael Krijn
G02 - OPTICS
Information
Patent Application
LED MODULE
Publication number
20110073898
Publication date
Mar 31, 2011
Koninklijke Philips Electronics N.V.
Hendrik Adrianus Van Sprang
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PHOTONIC CRYSTAL LED
Publication number
20100270572
Publication date
Oct 28, 2010
Koninklijke Philips Electronics N.V.
Marcus Antonius Verschuuren
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SIDE-EMITTING LED LIGHT SOURCE FOR BACKLIGHTING APPLICATIONS
Publication number
20100246626
Publication date
Sep 30, 2010
Koninklijke Philips Electronics N.V.
Hendrik Adrianus Van Sprang
G02 - OPTICS
Information
Patent Application
Electric lamp
Publication number
20070075616
Publication date
Apr 5, 2007
Koninklijke Philips Electronics N.V.
Hendrik Adrianus Van Sprang
G02 - OPTICS
Information
Patent Application
Electric lamp
Publication number
20050105289
Publication date
May 19, 2005
Koninklijke Philips Eletronics N.V.
Hendrik Adrianus Van Sprang
G02 - OPTICS