Light-emitting module
US11035994B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 24, 2019 |
| Grant date | Jun 15, 2021 |
| Priority date | — |
| Expiry date | Dec 24, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0068
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light-emitting module includes: a light guide plate having a first surface on which a plurality of first recesses arranged in rows and columns and a grid-shaped groove portion surrounding each of the plurality of first recesses are provided, and a second surface located on the opposite side from the first surface; a plurality of light-emitting elements each disposed inside a corresponding one of the plurality of first recesses; a first light transmission member disposed inside the groove portion of the light guide plate, and having a refractive index lower than a refractive index of the light guide plate; and a reflective resin layer covering the first surface of the light guide plate and the first light transmission member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.