Display apparatus comprising a reflective sheet having a plurality of first and second light conversion patches respectively arranged around a circumference of first and second holes
US11397352B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2021 |
| Grant date | Jul 26, 2022 |
| Priority date | — |
| Expiry date | Mar 8, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/36
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display apparatus includes a liquid crystal panel, and a light source apparatus configured to irradiate the liquid crystal panel with light. The light source apparatus includes a plurality of light sources configured to emit blue light, and a reflective sheet with a plurality of holes through which the light passes. The plurality of holes includes a first hole disposed at an edge portion of the reflective sheet, and a second hole in which a distance from an edge of the reflective sheet to the second hole is greater than a distance between the edge of the reflective sheet and the first hole and a plurality of first light conversion patches arranged along a circumference of a circle surrounding the first hole on the reflective sheet, and a plurality of second light conversion patches arranged along a circumference of a circle surrounding the second hole on the reflective sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.