Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10983394 | Thin direct-view LED backlights | Mark Jongewaard, William A. Parkyn | 2021-04-20 |
| 10609879 | Apparatus and method for preventing anaerobic root conditions | Eric Pelka | 2020-04-07 |
| 10503010 | Thin direct-view LED backlights | — | 2019-12-10 |
| 10274783 | Direct-view LED backlight with gradient reflective layer | — | 2019-04-30 |
| 10145606 | Product lighting refrigeration door | — | 2018-12-04 |
| 9880417 | Illumination lens for LED backlights | Mark Jongewaard, William A. Parkyn | 2018-01-30 |
| 9714751 | Illumination lens for short-throw lighting | William A. Parkyn | 2017-07-25 |
| 9690041 | Air cavity LED backlight unit | Simon Magarill | 2017-06-27 |
| 9664356 | Illumination lens for short-throw lighting | William A. Parkyn | 2017-05-30 |
| 9631790 | Illumination lens for short-throw lighting | William A. Parkyn | 2017-04-25 |
| 9507204 | Baffled micro-optical elements for thin liquid crystal display backlight units | Meg Tidd | 2016-11-29 |
| 9255695 | Illumination lens for LED backlights | Mark Jongewaard, William A. Parkyn | 2016-02-09 |
| 9046293 | Wide-angle non-imaging illumination lens arrayable for close planar targets | William A. Parkyn | 2015-06-02 |
| 8992053 | Illumination lens for short-throw lighting | William A. Parkyn | 2015-03-31 |
| 8608328 | Light source with secondary emitter conversion element | George W. Panagotacos | 2013-12-17 |
| 8534901 | Collimating waveguide apparatus and method | George W. Panagotacos, Blair L. Unger | 2013-09-17 |
| 8358081 | Lamp assembly | George W. Panagotacos | 2013-01-22 |
| 7808581 | Low profile backlight apparatus | George W. Panagotacos | 2010-10-05 |
| 7731395 | Linear lenses for LEDs | William A. Parkyn | 2010-06-08 |
| 7674019 | Free-form lenses for rectangular illumination zones | William A. Parkyn | 2010-03-09 |
| 7618162 | Irradiance-redistribution lens and its applications to LED downlights | William A. Parkyn | 2009-11-17 |
| 7559672 | Linear illumination lens with Fresnel facets | William A. Parkyn | 2009-07-14 |
| 7344280 | Illuminator assembly | George W. Panagotacos, Roland Winston | 2008-03-18 |
| 7273299 | Cylindrical irradiance-mapping lens and its applications to LED shelf-lighting | William A. Parkyn | 2007-09-25 |
| 7163318 | Illuminator assembly | George W. Panagotacos, Roland Winston | 2007-01-16 |