Fluorescent substrate, light source device, and projection display unit
US10578957B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 2, 2019 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Jan 2, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3158
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A fluorescent substrate according to one embodiment of the present disclosure includes: a substrate that is in a rotatable manner; a fluorescent layer disposed in a center of the substrate; and a fixing layer that fixes a portion of a surface on side on which the fluorescent layer is located of the substrate and a portion of a surface on side on which the substrate is located of the fluorescent layer to each other. Thus, in a case where warpage occurs in the substrate due to a stress caused by thermal expansion arising in each of the fluorescent layer and the substrate, it is possible to reduce an amount of displacement of the fluorescent layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.