Optical element, screen, and display device
US8879143B2 · kind B2 · utility
1Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2010 |
| Grant date | Nov 4, 2014 |
| Priority date | — |
| Expiry date | Jul 14, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/608
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A screen includes a light diffusion layer in which microcapsules, each having therein a light diffusion liquid that scatters light for displaying a video image, are planarly arranged. The light diffusion layer is fixed to a supporting sheet by a binder material. On a surface of the supporting sheet, a Fresnel lens is formed. A light diffusion plate is made up of the light diffusion layer and the supporting sheet. The screen is made up of the light diffusion plate and a light diffusion plate. Scattering distribution of a scattered wave of light that passes through the light diffusion layer temporally changes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.