Optical film element, backlight, and display device
US10928562B2 · kind B2 · utility
1Cited by
3References
16Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 7, 2019 |
| Grant date | Feb 23, 2021 |
| Priority date | — |
| Expiry date | May 24, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133602
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical film element, a backlight and a display device are disclosed. The optical film element includes a transparent base and a first diffusion film located at a first surface of the transparent base; the optical film element further includes an optical functional layer located at a second surface of the transparent base opposite to the first surface; the optical functional layer includes transmission regions and reflection regions; reflection members are provided in the reflection regions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.