Optical plate, lighting device, and light source module
US10680143B2 · kind B2 · utility
1Cited by
0References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2016 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | Nov 2, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/872
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
Disclosed according to one embodiment is a lighting device comprising: a light emitting device having a light emitting chip; and an optical plate corresponding to the light emitting chip, wherein the optical plate comprises: a phosphor layer; a transparent film on the upside and/or downside of the phosphor layer; and a support surrounding the outside of the phosphor layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.