Differential Ultraviolet curing using external optical elements
US9126432B2 · kind B2 · utility
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10References
15Claims
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Key dates
| Filing date | Sep 20, 2011 |
| Grant date | Sep 8, 2015 |
| Priority date | — |
| Expiry date | Nov 7, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B3/28
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A lighting module has an array of solid state light emitters, a package in which the array of solid state light emitters resides, the package having a window and an external optical element arranged adjacent the window, the external optical element having a coating, the coating forming an optical pattern when illuminated by light from the array of solid state light emitters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.