Light emitting device with phosphor layer
US9978914B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 9, 2016 |
| Grant date | May 22, 2018 |
| Priority date | — |
| Expiry date | May 9, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/0363
Abstract
A light emitting device includes a board, a light emitting element, a phosphor layer and a cover layer. The light emitting element is mounted on the board. The phosphor layer is in a substantially uniform thickness composed of a plurality of layers formed on a surface of the light emitting element. The cover layer contains light reflecting material at a place on the board where the light emitting element is not mounted. The cover layer covers the phosphor layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.