Fluorescent member and light-emitting module
US11402077B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Sep 17, 2018 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | May 5, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0003
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A fluorescent member includes: a wavelength converter including an incidence part on which a light of a light source is incident and an output part from which a converted light subjected to wavelength conversion as a result of excitation by an incident light is output; and a reflecting part provided in at least a portion of a surface of the wavelength converter. The wavelength converter is comprised of a material whereby a degree of scattering of the light of the light source incident via the incidence part and traveling toward the output part is smaller than in the case of a polycrystalline material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.