Backlight unit having a lens with refraction and reflection portions
US9891471B2 · kind B2 · utility
1Cited by
1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2016 |
| Grant date | Feb 13, 2018 |
| Priority date | — |
| Expiry date | Jun 6, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133607
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device is provided. The display device includes: a substrate; and at least one light assembly separately located on the substrate, wherein the light assembly includes: a light source; and a lens configured to shield an upper surface and a side surface of the light source, wherein the lens includes: a refraction portion separately located on the upper surface of the light source; and a reflection portion separately located at the side surface of the light source. Thereby, the lens includes a reflection portion located at a side surface of the light source, thereby improving light efficiency of a backlight unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.