Inventor
OHWADA JUN-ICHI
JP11 patents
Patents
11 patentsUS5739880AApr 14, 1998
Liquid crystal display device having a shielding film for shielding light from a light source
HITACHI LTD271 citations98
US5091722AFeb 25, 1992
Gray scale display
HITACHI LTD133 citations98
US4942441AJul 17, 1990
Thin film semiconductor device and method of manufacturing the same
HITACHI LTD144 citations97
US5250937AOct 5, 1993
Half tone liquid crystal display circuit with an A.C. voltage divider for drivers
HITACHI LTD124 citations96
US5021774AJun 4, 1991
Method and circuit for scanning capacitive loads
HITACHI LTD64 citations96
US4750813AJun 14, 1988
Display device comprising a delaying circuit to retard signal voltage application to part of signal electrodes
HITACHI LTD63 citations95
US5640174AJun 17, 1997
Method of driving an active matrix liquid crystal display panel with asymmetric signals
HITACHI LTD59 citations94
US5537054AJul 16, 1996
Method for testing an on-off function of semiconductor devices which have an isolated terminal
HITACHI LTD36 citations92
US4736137AApr 5, 1988
Matrix display device
HITACHI LTD46 citations92
US5283566AFeb 1, 1994
Plane display
HITACHI LTD41 citations91
US4904989AFeb 27, 1990
Display device
HITACHI LTD19 citations82