William Crossland
60Patents
20h-index
66Co-inventors
91Inventor score
Filing activity: Dec 27, 1976 → Jul 2, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5339090A | Spatial light modulators | Physics | 118 | Expired |
| US6654156B1 | Image display system | Physics | 106 | Expired |
| US6762873B1 | Methods of driving an array of optical elements | Physics | 85 | Expired |
| US5576873A | Telecommunications switch architecture | Electricity | 60 | Expired |
| US4130408A | Method of forming large liquid crystal cells | Physics | 59 | Expired |
| US4720781A | Data processing terminal having support module and portable display module for liquid crystal display | Physics | 50 | Expired |
| US4139273A | Method for preparing and operating a smectic liquid crystal display cell having indefinite storage properties | Physics | 46 | Expired |
| US7071907B1 | Display with active contrast enhancement | Physics | 44 | Expired |
| US4511926A | Scanning liquid crystal display cells | Physics | 43 | Expired |
| US4279152A | Temperature responsive device | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4114990A | Liquid crystal rotator | Physics | 38 | Expired |
| US4419664A | Co-ordinate addressing of smectic display cells | Physics | 34 | Expired |
| US6975786B1 | Optical switching with ferroelectric liquid crystal SLMs | Electricity | 30 | Expired |
| US4626074A | Illuminated liquid/crystal display device using internal reflection and scattering | Physics | 27 | Expired |
| US8085453B2 | Phase retrieval and phase hologram synthesis | Physics | 25 | Active |
| US8654048B2 | Apparatus and method for displaying a video image | Physics | 25 | Active |
| US6690444B1 | Sealing of cells having active backplanes | Physics | 23 | Expired |
| US6954252B1 | Optical switch including two integrated multiphase SLM's and a wave-plate the wave-plate providing an optical retardance of (2n+1)λ/4 | Electricity | 22 | Expired |
| US8878759B2 | Apparatus and method for displaying a video image | Physics | 21 | Active |
| US4291948A | Liquid crystal display incorporating positive and negative smectic material | Chemistry; Metallurgy | 21 | Expired |
| US4655550A | Ferro-electric liquid crystal display with steady state voltage on front electrode | Physics | 20 | Expired |
| US6078421A | Light modulator including a collimator comprising an interference filter | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6930692B1 | Modified weighted bit planes for displaying grey levels on optical arrays | Physics | 18 | Expired |
| US4992654A | Optical logic device | Physics | 18 | Expired |
| US10310261B2 | Imaging device for moving a virtual image | Physics | 17 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.