Displaytech, Inc.
🏢 View company profile →65Patents
0Active
65Granted
37Portfolio score
Filing activity: Oct 15, 1987 → Dec 2, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5808800A | Optics arrangements including light source arrangements for an active matrix liquid crystal image generator | Emerging Cross-Sectional Technologies | 352 | Expired |
| US5596451A | Miniature image generator including optics arrangement | Physics | 299 | Expired |
| US7206134B2 | Compact electronic viewfinder | Electricity | 245 | Expired |
| US6195136A | Optics arrangement including light source arrangement for an active matrix liquid crystal image generator | Emerging Cross-Sectional Technologies | 227 | Expired |
| US6359723B1 | Optics arrangements including light source arrangements for an active matrix liquid crystal image generator | Emerging Cross-Sectional Technologies | 205 | Expired |
| US5182665A | Diffractive light modulator | Physics | 140 | Expired |
| US5347378A | Fast switching color filters for frame-sequential video using ferroelectric liquid crystal color-selective filters | Physics | 139 | Expired |
| US5748164A | Active matrix liquid crystal image generator | Physics | 110 | Expired |
| US6633301B1 | RGB illuminator with calibration via single detector servo | Physics | 88 | Expired |
| US5381250A | Electro-optical switch with 4 port modules with electro-optic polarization rotators | Physics | 77 | Expired |
| US6507330B1 | DC-balanced and non-DC-balanced drive schemes for liquid crystal devices | Physics | 73 | Expired |
| US4813771A | Electro-optic switching devices using ferroelectric liquid crystals | Emerging Cross-Sectional Technologies | 55 | Expired |
| US7046221B1 | Increasing brightness in field-sequential color displays | Physics | 53 | Expired |
| US6139771A | Mesogenic materials with anomalous birefringence dispersion and high second order susceptibility (X.sup.(2)). | Chemistry; Metallurgy | 47 | Expired |
| US5552916A | Diffractive light modulator | Physics | 46 | Expired |
| US5900976A | Display system including a polarizing beam splitter | Physics | 41 | Expired |
| US5757348A | Active matrix liquid crystal image generator with hybrid writing scheme | Physics | 36 | Expired |
| US6525709B1 | Miniature display apparatus and method | Physics | 35 | Expired |
| US6016173A | Optics arrangement including a compensator cell and static wave plate for use in a continuously viewable, reflection mode, ferroelectric liquid crystal spatial light modulating system | Physics | 30 | Expired |
| US6038005A | Optics arrangements including light source arrangements for an active matrix liquid crystal image generator | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6317112A | Active matrix liquid crystal image generator with hybrid writing scheme | Physics | 27 | Expired |
| US6570550B1 | Active matrix liquid crystal image generator | Physics | 23 | Expired |
| US7283105B2 | Microdisplay and interface on single chip | Physics | 21 | Expired |
| US5694147A | Liquid crystal integrated circuit display including as arrangement for maintaining the liquid crystal at a controlled temperature | Physics | 20 | Expired |
| US6580078B1 | Ferroelectric liquid crystal infrared chopper | Physics | 18 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.