Backlight unit having a lens with refraction and reflection portions
USRE50191E1 · kind E1 · reissue
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1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2020 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | Feb 11, 2040 |
Classification
- Technology area (CPC —)General
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.