Color conversion film and back light unit and display apparatus comprising the same
US10962705B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2016 |
| Grant date | Mar 30, 2021 |
| Priority date | — |
| Expiry date | May 7, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0055
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance, wherein the color conversion film has a light emission peak with FWHM of 70 nm or less when irradiating light having a light emission peak of a 450 nm wavelength, a FWHM of 40 nm or less and monomodal light emission intensity distribution, and a ratio of light emission intensity at 600 nm to light emission intensity at a maximum light emission wavelength is 1:3 or higher, a method for preparing the same, and a back light unit including the color conversion film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.