Surface light source device and display device
US11366356B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 14, 2021 |
| Grant date | Jun 21, 2022 |
| Priority date | — |
| Expiry date | May 14, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/28
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A surface light source device comprises: a plurality of light sources configured to emit light toward a light exit surface of the surface light source device; a holding member having an installation surface on which the light sources are installed; and a reflector having a plurality of openings that expose the light sources, respectively, the reflector being arranged to cover the installation surface of the holding member, the reflector including a first reflective sheet having an engagement piece at a peripheral portion of the first reflective sheet and a second reflective sheet adjacent to the first reflective sheet and having an engaged portion that is shiftably engaged with the engagement piece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.