Wavelength conversion member, molded body, wavelength conversion apparatus, sheet member, light emitting apparatus, light guide apparatus and display apparatus
US10436418B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2018 |
| Grant date | Oct 8, 2019 |
| Priority date | — |
| Expiry date | Jul 25, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/882
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
To provide a wavelength conversion member, molded body, wavelength conversion apparatus, sheet member, light emitting apparatus, light guide apparatus and display apparatus particularly capable of suppressing the black discoloration occurrence of a resin layer positioned immediately above a light emitting device as compared with conventional techniques, the present invention provides an LED apparatus having a storage portion, an LED chip disposed inside the storage portion, and a resin layer filled inside the storage portion, the resin layer is comprised by having a first resin layer on the side close to an LED device, and a second resin layer on the side far from the LED device, a light scattering agent is included in at least the first resin layer, and quantum dots are not included in the first resin layer and are included in the second resin layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.