Display device
US12019330B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 2023 |
| Grant date | Jun 25, 2024 |
| Priority date | — |
| Expiry date | May 1, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133614
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The purpose of the present invention is to realize a display device of high definition and high contrast by applying an accurate local dimming. The structure of the invention is as follows. A display device including: a display panel and a back light, in which the back light includes a light source and an optical sheet group, the light source includes a light source substrate and LEDs disposed on the light source substrate, the light source is divided into segments in a plan view, at least one of the LEDs is disposed in a segment, the light source substrate and the LEDs are covered by a transparent resin, and a groove like gap is formed in the transparent resin along a border between the segments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.