Lighting device
US10141488B2 · kind B2 · utility
3Cited by
1References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 27, 2017 |
| Grant date | Nov 27, 2018 |
| Priority date | — |
| Expiry date | Feb 22, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/882
Abstract
A lighting device is provided. The lighting device includes a lightguide panel having an end face and a light-emitting device configured to emit light toward the end face of the lightguide panel. The light-emitting device includes a light-emitting element and a first light-transmissive member provided between the end face of the lightguide panel and the light-emitting element. The first light-transmissive member has a plurality of protrusions on a surface thereof. At least one of the plurality of protrusions is in contact with the end face of the lightguide panel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.