Patent assignee · JP · COMPANY

NEC LCD Technologies, Ltd.

575Patents
203Active
575Granted
51Portfolio score

Filing activity: Oct 29, 1997 → Aug 15, 2012 · 199 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7884360B2 Thin-film device and method of fabricating the same Electricity 313 Active
US7723221B2 Stacked film patterning method and gate electrode forming method Electricity 179 Active
US6914656B2 Semi-transmissive liquid crystal display device Physics 127 Expired
US7804091B2 Thin-film transistor array, method of fabricating the same, and liquid crystal display device including the same Electricity 113 Active
US6608664B1 Vibration-proof liquid crystal display having mounting end regions of lower rigidity Physics 79 Expired
US7034913B2 Liquid crystal display device having flexible substrates Electricity 73 Expired
US7350952B2 Illumination system and display device using the same Physics 72 Expired
US6778232B2 Method for manufacturing active matrix substrate Physics 67 Expired
US6577374B1 Active matrix substrate having column spacers integral with protective layer and process for fabrication thereof Physics 57 Expired
US6924863B2 In-plane switching mode active matrix type liquid crystal display device and method of fabricating the same Physics 57 Expired
US6781643B1 Active matrix liquid crystal display device Physics 50 Expired
US8035611B2 Electrophoretic display device and driving method for same Physics 48 Active
US6730970B1 Thin film transistor and fabrication method of the same Physics 44 Expired
US6654078B1 Liquid crystal module mounting structure and mobile terminal mounted with the same Physics 44 Expired
US6853421B2 Transflective type LCD and method for manufacturing the same Physics 44 Expired
US6842207B2 Active matrix liquid crystal display panel Physics 41 Expired
US6650389B1 Liquid crystal display device and method of manufacturing the same Physics 41 Expired
US6646689B2 Apparatus and method of manufacturing liquid crystal display Physics 38 Expired
US6933528B2 In-plane switching mode active matrix type liquid crystal display device and method of fabricating the same Physics 38 Expired
US7633484B2 Display unit Physics 38 Active
US6917392B2 Liquid crystal display apparatus of a lateral direction electric field drive type Physics 37 Expired
US6707107B2 Method of deforming a pattern and semiconductor device formed by utilizing deformed pattern Electricity 35 Expired
US6872512B2 Method of forming resist pattern Electricity 34 Expired
US6879359B1 Reflection type liquid crystal display provided with reflective layer, coplanar gate electrode, color filter layer and transparent pixel electrode and manufacture method thereof Physics 33 Expired
US6784957B2 Liquid crystal display apparatus with protective insulating film for switching element and production method thereof Physics 33 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.