Patent assignee · KR · COMPANY

Boe Hydis Technology Co., Ltd.

92Patents
8Active
92Granted
37Portfolio score

Filing activity: Dec 7, 1999 → Aug 14, 2008 · 8 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6646707B2 Fringe field switching mode LCD Physics 125 Expired
US7135388B2 Method for fabricating single crystal silicon film Electricity 58 Expired
US7418117B2 Liquid crystal display device performing both image display mode and fingerprint recognition mode Physics 43 Expired
US6926419B2 Backlight unit structure for liquid crystal display Physics 42 Expired
US6562645B2 Method of fabricating fringe field switching mode liquid crystal display Physics 37 Expired
US6580487B1 Fringe field switching liquid crystal display Physics 35 Expired
US6747712B2 Fringe field switching liquid crystal display device and method for manufacturing the same Physics 32 Expired
US6721028B2 Apparatus for fringe field switching liquid crystal display Physics 28 Expired
US6600542B2 Liquid crystal display having high transmittance and high aperture ratio in which the counter electrodes having rectangular plate shape and the pixel electrodes having branches Physics 25 Expired
US7048619B2 Rubbing machine with realigning functions of rubbing cloth for use in LCD manufacturing process and rubbing method using the same Physics 25 Expired
US6927833B2 Method for forming post spacers in liquid crystal display Physics 24 Expired
US6583842B2 Liquid crystal display device of reflective type fringe field switching mode Physics 23 Expired
US6678027B2 Fringe field switching mode LCD Physics 22 Expired
US6856371B2 In plane fringe field switching mode LCD realizing high screen quality Physics 20 Expired
US7292302B2 Fringe field switching liquid crystal display and method for manufacturing the same Physics 20 Expired
US7161649B2 Method for aligning polarizer and rubbing axes in a fringe field switching liquid crystal display device Physics 20 Expired
US6809789B2 Liquid crystal display device Physics 19 Expired
US6646706B2 Fringe field switching mode liquid crystal display having structure for preventing shorts between two electrodes Physics 18 Expired
US6950169B2 Vertical alignment mode liquid crystal display device having pixel electrode partially covering holes of the insulating film Physics 15 Expired
US6741311B1 Reflective type-fringe switching mode LCD having liquid crystal retardation (2n+1)&lgr;/4 Physics 14 Expired
US6678020B2 DC type plasma display panel for back light of liquid crystal display device Electricity 13 Expired
US6680588B2 Low noise backlight system for use in display device and method for driving the same Electricity 11 Expired
US7345728B2 Fringe field switching liquid crystal display Physics 11 Expired
US6844839B2 Reference voltage generating circuit for liquid crystal display Physics 9 Expired
US7787064B2 Automatic holographic display device having cholesteric liquid crystal panel with barrier and slit regions and first and second phase difference plates above and below the panel Physics 9 Active

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