Display device with reflective sheet having color converting light patterns
US12147120B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2022 |
| Grant date | Nov 19, 2024 |
| Priority date | — |
| Expiry date | Feb 16, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133614
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device of the present disclosure includes: a display panel; a frame which is positioned in a rearward direction of the display panel, and to which the display panel is coupled; a substrate which is positioned between the display panel and the frame, and fixed to the frame; a plurality of light sources mounted on the substrate to form a row and a column; a reflective sheet which is positioned on the substrate, and has a plurality of holes through which each of the plurality of light sources passes; and a light pattern which is formed on the reflective sheet, and converts a color of a light provided by the plurality of light sources, wherein the reflective sheet includes: a first hole positioned adjacent to an edge of the reflective sheet; a second hole which is positioned adjacent to the first hole and positioned farther than the first hole from the edge of the reflective sheet; a first area positioned around the first hole; and a second area positioned around the second hole, wherein the light pattern includes: a first light pattern positioned in the first area; and a second light pattern positioned in the second area, wherein an area of the first light pattern is larger …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.