Fill-in light unit, display screen, display apparatus, and terminal
US11194088B2 · kind B2 · utility
0Cited by
0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2018 |
| Grant date | Dec 7, 2021 |
| Priority date | — |
| Expiry date | Jul 28, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/0266
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A display screen includes a display panel, a back light system, and an optical device concealed under the display panel, where a transmission light path formed by light rays received or transmitted by the optical device passes through the display screen. The display screen includes the fill-in light system, where the fill-in light system is disposed between the back light system and the optical device. The fill-in light system includes a first light source and a light guide member configured to transmit a light ray emitted by the first light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.