Light source device, display apparatus including the same, display method using the same
US10257508B2 · kind B2 · utility
0Cited by
9References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2016 |
| Grant date | Apr 9, 2019 |
| Priority date | — |
| Expiry date | Sep 3, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2213/001
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A light source device may include a first light source, a second light source, a light guide plate (LGP) configured to guide a light incident from at least one of the first light source and the second light source, an optical film configured to form a distribution of directional light by controlling a progress path of a light output from the LGP, and a controller configured to control activation of at least one of the first light source and the second light source in order to control the distribution of directional light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.