Light emitting module
US10775669B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2019 |
| Grant date | Sep 15, 2020 |
| Priority date | — |
| Expiry date | Mar 26, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/882
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light emitting module includes a light transmissive light guiding plate, a light adjustment portion, and a light emitting element. The light guiding plate has a first main surface serving as a light emitting surface which emits light outside, and a second main surface opposite to the first main surface. The second main surface is provided with a recess. The light adjustment portion is disposed in the recess of the light guiding plate. The light emitting element is bonded to the light adjustment portion. The light adjustment portion includes a wavelength conversion portion and a light diffusion portion. The light diffusion portion has a wavelength conversion portion side on which the wavelength conversion portion is bonded. The light diffusion portion is disposed on a bottom of the recess. The wavelength conversion portion is bonded to the light emitting element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.