Lens structure and lamp, backlight module, and display device using the same
US10488562B2 · kind B2 · utility
2Cited by
5References
18Claims
0Family size
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Key dates
| Filing date | Jul 12, 2017 |
| Grant date | Nov 26, 2019 |
| Priority date | — |
| Expiry date | Mar 23, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133607
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lens structure, adapted to be optically coupled to a light source, is provided, including a first surface, a second surface, and a light output surface. The first surface includes a convex surface protruding toward the light source. The second surface is opposite the first surface. The light output surface connects the first surface and the second surface. A lamp, a backlight module, and a display device including the lens structure are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.