Display device and electronic device
US12038640B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2023 |
| Grant date | Jul 16, 2024 |
| Priority date | — |
| Expiry date | Aug 25, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/11
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device and an electronic device are provided. The display device includes a back plate, a display panel, an optical film, a light guide strip, and an infrared light bead. The display panel is carried on the back plate and includes a liquid crystal layer. The optical film is disposed at one side of the display panel adjacent to the back plate. The light guide strip has a first light-incident surface and a light-exiting surface. The first light-incident surface is connected to the light-exiting surface in a bent manner. The infrared light bead is accommodated in the back plate. The infrared light bead is configured to emit infrared light. The infrared light bead is disposed close to the first light-incident surface of the light guide strip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.