Surface light source assembly and refrigerator having the same
US10877202B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2018 |
| Grant date | Dec 29, 2020 |
| Priority date | — |
| Expiry date | Dec 20, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0095
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a surface light source assembly and a refrigerator having the same. The surface light source assembly comprises: a light source and a light guide plate which is vertically illuminated by the light source, wherein the light source is provided along a first side of the light guide plate; a plurality of light guide spots is provided at a front surface of the light guide plate, a through hole is vertically formed in the middle of the light guide plate; a first region is provided at a position close to the upper edge of the through hole, the diameter and density of the light guide spots in the first region are less than the diameter and density of the light guide spots in the peripheral region of the first region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.