Method and apparatus for testing luminescent films
US9029806B2 · kind B2 · utility
0Cited by
7References
19Claims
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Key dates
| Filing date | Dec 19, 2011 |
| Grant date | May 12, 2015 |
| Priority date | — |
| Expiry date | Jan 20, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/065
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A structure for testing a luminescent film includes a Lambertian light source, an integrating sphere having an input port, and a measuring device. The Lambertian light source includes a mixing chamber having an input port and an output port, and a light emitter coupled to the input port. During testing the luminescent film is positioned between the output port of the mixing chamber and the input port of the integrating sphere. The measuring device is optically coupled to the integrating sphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.