Optical device and light source module including the same
US9890924B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 5, 2016 |
| Grant date | Feb 13, 2018 |
| Priority date | — |
| Expiry date | Jul 4, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An optical device and a light source module including the same are provided. The optical device includes a first surface including an incident portion through which light that is emitted from a light source is incident, and a second surface through which the light incident through the incident portion is emitted. The incident portion may include a curved surface that is recessed toward the second surface, and a pointed vertex to which the curved surface is recessed, the pointed vertex being in a central portion of the optical device, and the central portion being through which an optical axis of the optical device passes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.