Methods and apparatus for ultra-violet stimulated displays
US7088335B2 · kind B2 · utility
36Cited by
10References
44Claims
0Family size
Assignee
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Key dates
| Filing date | May 23, 2003 |
| Grant date | Aug 8, 2006 |
| Priority date | — |
| Expiry date | May 23, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2380/06
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display element for use in a display device that exhibits extended illumination longevity and uniformity, as well as a wide viewing angle, is provided. The element can include a light source that emits ultraviolet light, a liquid crystal device having a plurality of independently controllable (i.e., addressable) shutters, a screening element between the light source and the liquid crystal device, a plurality of luminescent elements optically aligned with the shutters, and a regulated power supply. Display devices, calibration techniques, and power management methods are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.