Backlight unit and display device comprising same
US10168461B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2015 |
| Grant date | Jan 1, 2019 |
| Priority date | — |
| Expiry date | Apr 5, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133624
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A backlight unit including a light source formed to provide primary light; a quantum dot phosphor excited by the primary light provided from the light source to emit secondary light having a wavelength different from a wavelength of the primary light and disposed to be spaced apart from the light source; an optical agent absorbing light having a specific wavelength from the primary light provided by the light source and the secondary light emitted from the quantum dot phosphor; and a matrix configured to support the quantum dot phosphor and the optical agent. Further, the quantum dot phosphor and the optical agent are randomly mixed in the matrix; and the quantum dot phosphor, the optical agent, and the matrix form a composite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.