Inventor
LEENHOUTS FRANS
BE23 patents
⚠️ This page may combine multiple inventors who share the name “LEENHOUTS FRANS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOFFMANN LA ROCHE
9 patentsUS4896947AJan 30, 1990
Liquid crystal display cell
HOFFMANN LA ROCHE54 citations96
US5411676AMay 2, 1995
Chiral dopants for liquid crystalline mixtures
HOFFMANN LA ROCHE11 citations74
US5346647ASep 13, 1994
Cyclohexane compounds used in liquid crystalline mixtures
HOFFMANN LA ROCHE11 citations74
US5250222AOct 5, 1993
Optically active compounds used for liquid crystalline mixtures
HOFFMANN LA ROCHE11 citations74
US5104569AApr 14, 1992
Liquid crystalline mixtures including 2-phenylpyridine compounds
HOFFMANN LA ROCHE13 citations74
US5093027AMar 3, 1992
Chiral dopants for liquid crystalline mixtures
HOFFMANN LA ROCHE5 citations74
US5004324AApr 2, 1991
Liquid crystal display
HOFFMANN LA ROCHE11 citations74
US5356563AOct 18, 1994
Liquid crystalline mixtures having a chiral tilted smectic phase
HOFFMANN LA ROCHE2 citations63
US5244597ASep 14, 1993
Liquid crystalline mixtures having a chiral tilted smectic phase
HOFFMANN LA ROCHE1 citations52
PHILIPS CORP
5 patentsUS6177216B1Jan 23, 2001
Color filter layer of cholesterically ordered material, and reflective LCD provided with such a color filter layer
PHILIPS CORP41 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
US4609255ASep 2, 1986
Liquid crystal display with twist angle less than 80 degrees
PHILIPS CORP23 citations80
US6233028B1May 15, 2001
Plasma-addressed liquid crystal display with reduced column voltages
PHILIPS CORP4 citations63