Kent Displays, Inc.
68Patents
47Active
68Granted
53Portfolio score
Filing activity: Oct 14, 1994 → Jan 3, 2022 · 13 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6377321B1 | Stacked color liquid crystal display device | Physics | 158 | Expired |
| US5636044A | Segmented polymer stabilized and polymer free cholesteric texture liquid crystal displays and driving method for same | Physics | 95 | Expired |
| US6830789B2 | Chiral additives for cholesteric displays | Physics | 84 | Expired |
| US7791700B2 | Liquid crystal display on a printed circuit board | Physics | 84 | Active |
| US6518944B1 | Combined cholesteric liquid crystal display and solar cell assembly device | Physics | 59 | Expired |
| US5644330A | Driving method for polymer stabilized and polymer free liquid crystal displays | Physics | 53 | Expired |
| US6133895A | Cumulative drive scheme and method for a liquid crystal display | Physics | 53 | Expired |
| US7236151B2 | Liquid crystal display | Chemistry; Metallurgy | 48 | Expired |
| US6034752A | Display device reflecting visible and infrared radiation | Physics | 39 | Expired |
| US6654080B1 | Stacked color liquid crystal display device | Physics | 37 | Expired |
| US6268840A | Unipolar waveform drive method and apparatus for a bistable liquid crystal display | Physics | 35 | Expired |
| US7170481B2 | Single substrate liquid crystal display | Physics | 26 | Expired |
| USD867452S1 | Writing board | General | 25 | Active |
| US8228301B2 | Multiple color writing tablet | Physics | 25 | Active |
| US8139039B2 | Selectively erasable electronic writing tablet | Physics | 24 | Active |
| US7479940B2 | Display device with electrical zipper interconnect | Electricity | 23 | Active |
| US8970810B2 | Electronic display with internal ledges | Physics | 22 | Active |
| US7351506B2 | Polymerization-encapsulated cholesteric liquid crystal for bistable reflective displays | Physics | 21 | Expired |
| US7061559B2 | Stacked color liquid crystal display device | Physics | 21 | Expired |
| US6366330B1 | Cholesteric liquid crystal display that prevents image sticking | Chemistry; Metallurgy | 18 | Expired |
| US6172720A | Low viscosity liquid crystal material | Chemistry; Metallurgy | 17 | Expired |
| US7190337B2 | Multi-configuration display driver | Physics | 17 | Expired |
| US6532052B1 | Brightness enhancement for bistable cholesteric displays | Physics | 16 | Expired |
| US7009666B2 | Back lit cholesteric liquid crystal display | Physics | 16 | Expired |
| US6483563B2 | Brightness enhancement for bistable cholesteric displays | Physics | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.