Light-emitting module and planar light source
US11709394B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 19, 2022 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Jul 19, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133607
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light-emitting module includes a light guide member including a first light guide portion including a first upper surface, a first lower surface, a first lateral surface, a first extending portion facing the first lateral surface and extending continuously from a portion of the first lateral surface, and a first hole portion, and a second light guide portion including a second upper surface, a second lower surface, a second lateral surface, a second extending portion facing the second lateral surface and extending continuously from a portion of the second lateral surface, and a second hole portion; a light source unit including a first light source disposed in the first hole portion, and a second light source disposed in the second hole portion; and a first light-reflective member covering at least a portion of the first lateral surface facing the first extending portion and at least a portion of the first extending portion facing the first lateral surface, in which the first extending portion faces the second extending portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.