Inventor
VAN SPRANG HENDRIK A
NL8 patents
⚠️ This page may combine multiple inventors who share the name “VAN SPRANG HENDRIK A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIPS CORP
6 patentsUS5490003AFeb 6, 1996
Reflective liquid crystal display device with twist angle between 50° and 68° and the polarizer at the bisectrix
PHILIPS CORP101 citations94
US5157529AOct 20, 1992
Display device having wavelength-dependent birefringence compensation
PHILIPS CORP25 citations87
US4830469AMay 16, 1989
Liquid crystalline color display cell having a phosphorescent substrate and U.V.-absorbing dichroic dye
PHILIPS CORP33 citations86
US6233306B1May 15, 2001
X-ray irradiation apparatus including an x-ray source provided with a capillary optical system
PHILIPS CORP12 citations72
US4664483AMay 12, 1987
Liquid crystal display device with a hysteresis
PHILIPS CORP12 citations72
US4767191AAug 30, 1988
Display cell
PHILIPS CORP5 citations58