Surface light source
US12001047B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2022 |
| Grant date | Jun 4, 2024 |
| Priority date | — |
| Expiry date | Nov 21, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0078
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light-guiding member includes a plurality of light-emitting portions separated by grooves; and a plurality of light sources each corresponding to a respective one of the plurality of light-emitting portions. The plurality of light-emitting portions include a plurality of outer portions, and at least one inner portion located in a region surrounded by the plurality of outer portions in a plan view. Each of the plurality of outer portions is adjacent to a smaller number of the light-emitting portions than a number of the light-emitting portions adjacent to a single inner portion of the at least one inner portion in a plan view. An area of a single outer portion of the plurality of outer portions is smaller than an area of the single inner portion in the plan view.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.