Display device
US10444567B2 · kind B2 · utility
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19Claims
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Assignee
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Key dates
| Filing date | Jan 2, 2018 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Jan 2, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133617
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device includes a light source unit and a display panel provided on the light source unit, the light source unit includes a reflective layer which reflects light incident thereonto, a refractive layer provided on the reflective layer, and a light source which is provided to be spaced apart from the refractive layer and emits light toward the refractive layer, where the refractive layer has different refractive indices depending on distances from the light source to the refractive layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.