Edge-lit light source, backlight module and display devices
US11709309B2 · kind B2 · utility
0Cited by
3References
19Claims
0Family size
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Key dates
| Filing date | Jul 5, 2021 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Jul 5, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/1336
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An edge-lit light source includes one or at least two light guide layers arranged in a stack and one or more light-emitting elements. Of one or more light guide layers of the one or at least two light guide layers, side surfaces of each light guide layer includes a light incident surface and a light exit surface, and the light guide layer includes a bending region located between the light incident surface and the light exit surface. A light-emitting surface of each light-emitting element faces a light incident surface of at least one light guide layer of the one or more light guide layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.