Diffusion sheet and a backlight unit including the diffusion sheet
US11314128B2 · kind B2 · utility
1Cited by
0References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2019 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | May 11, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133615
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A diffusion sheet includes a first base film, a second base film, and a shielding layer placed between the first base film and the second base film. In this case, the shielding layer includes an air gap and a pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.