Illumination device
US11320582B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2020 |
| Grant date | May 3, 2022 |
| Priority date | — |
| Expiry date | Nov 16, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F17/3216
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An illumination device is disclosed that may constitute a partition wall or the like having an impact in a bright and brilliant space. An illumination device according to an embodiment may include: a plurality of light guide plate units each including a light guide plate and an LED substrate; and a base to which the plurality of light guide plate units are attached so as to be laid over the base. The attachment surface of the base is divided into sections for attaching the light guide plate units so as to lay the light guide plate units over the base and each section is provided with an IC board for driving the corresponding LED substrate and snap-fit engagement portions for fixing the light guide plate unit to the base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.