Inventor
VAN HAAREN JOHANNES A M M
NL13 patents
⚠️ This page may combine multiple inventors who share the name “VAN HAAREN JOHANNES A M M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIPS CORP
10 patentsUS5978055ANov 2, 1999
Compensator, liquid crystal display device and retardation foil
PHILIPS CORP61 citations96
US5948831ASep 7, 1999
Method for manufacturing a broadband cholesteric polarizer
PHILIPS CORP22 citations92
US5825444AOct 20, 1998
Illumination system using cholesteric polarizer, linear polarizer for such illumination system and display device comprising such as illumination system
PHILIPS CORP50 citations92
US5798808AAug 25, 1998
Liquid crystal display device having a cholesteric order with a pitch of helix less than 0.25 microns and a retardation foil
PHILIPS CORP29 citations92
US5737044AApr 7, 1998
Illumination system using a broadband cholesteric polarizer having its surface of maximum helix pitch face the radiation source
PHILIPS CORP48 citations92
US5688566ANov 18, 1997
Liquid crystal display device
PHILIPS CORP18 citations92
US5404236AApr 4, 1995
Display device with crossing electrodes with specific ratio for gray scale
PHILIPS CORP27 citations92
US5208689AMay 4, 1993
Electro-optic display device with increased number of transmission levels
PHILIPS CORP19 citations81
US6193937B1Feb 27, 2001
Apparatus for manufacturing a broadband cholesteric polarizer
PHILIPS CORP8 citations73
US5855986AJan 5, 1999
Liquid crystal display device and retardation foil
PHILIPS CORP1 citations62
KONINKL PHILIPS ELECTRONICS NV
3 patentsUS7030950B2Apr 18, 2006
Method of manufacturing a compensator layer with retardation foils exhibiting tilt angles parallel to planes normal to the foils and angled with respect to one another
KONINKL PHILIPS ELECTRONICS NV3 citations62
US6784960B1Aug 31, 2004
Liquid crystal display device, compensator layer and method of manufacturing a retardation foil
KONINKL PHILIPS ELECTRONICS NV4 citations62
US6638449B2Oct 28, 2003
Method for manufacturing a broadband cholesteric polarizer
KONINKL PHILIPS ELECTRONICS NV2 citations62