Light conversion structure, backlight module, color filter substrate and display device
US11353749B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 17, 2018 |
| Grant date | Jun 7, 2022 |
| Priority date | — |
| Expiry date | Apr 19, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133509
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light conversion structure, and a backlight module, a color filter substrate, and a display device including the light conversion structure are provided. The light conversion structure includes a light filter structure including a first optical film layer and a second optical film layer alternately arranged and attached to each other in a total number of N, N is an even number, one of a surface of the first optical film layer far away from the second optical film layer and a surface of the second optical film layer far away from the first optical film layer is a light incident surface of the light filter structure, and the other one is a light-exiting surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.