Display device comprising a reflective sheet having a plurality of light conversion dots disposed around a plurality of first holes
US11333929B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2021 |
| Grant date | May 17, 2022 |
| Priority date | — |
| Expiry date | Sep 13, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/36
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display apparatus includes a liquid crystal panel; a plurality of light sources configured to emit blue light; a reflective sheet including four edge portions, wherein a plurality of holes are disposed on the reflective sheet, the plurality of holes includes a first hole disposed on each of the four edge portions of the reflective sheet, each of the four edge portions includes an edge of the reflective sheet, the first hole is disposed at a first distance from the edge of the reflective sheet; and a plurality of light conversion dots including eight first light conversion dots disposed around the first hole of the reflective sheet, and wherein a diameter of each of the eight first light conversion dots is equal to or greater than 1.04 mm, and is equal to or less than 1.56 mm, and wherein the plurality of light conversion dots includes at least one of a fluorescent material, a dye, or a pigment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.