Wavelength conversion member, optical device, projector, and manufacturing method for wavelength conversion member
US11474423B2 · kind B2 · utility
0Cited by
0References
21Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 4, 2019 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | Oct 4, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/8511
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A wavelength conversion device includes a matrix containing inorganic material, a phosphor embedded in the matrix, and filler particles embedded in the matrix and containing resin material. This wavelength conversion device prevents the phosphor from falling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.