Light emitting sealed body, light emitting unit, and light source device
US11972931B2 · kind B2 · utility
0Cited by
33References
16Claims
0Family size
Assignees
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Key dates
| Filing date | Dec 21, 2020 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Aug 7, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/34
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light emitting sealed body includes a housing which stores a discharge gas in an internal space and is provided with a first window portion to which first light is incident and a second window portion from which second light is emitted. The housing includes at least one flow path which is partitioned from the internal space and extends toward at least one of the first window portion and the second window portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.