Transmission-type transparent screen, image display system and image display method
US9946147B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2017 |
| Grant date | Apr 17, 2018 |
| Priority date | — |
| Expiry date | Apr 4, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F19/18
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
To provide a transmission-type transparent screen which is excellent in the see-through property for a scene on the other side of the transparent screen as viewed from an observer in a state where no image-forming light is projected from a projector and which is excellent in visibility of an image displayed on the transparent screen as viewed from the observer in a state where image-forming light is projected from the projector, as well as an image display system and an image display method, employing the transparent screen. A transmission-type transparent screen 1 which has a first surface A and a second surface B on the opposite side thereof and which has a light scattering layer 34 comprising a transparent resin 32 and a light scattering material 33, wherein the light scattering layer 34 further contains a light absorbing material, the haze is from 3 to 30%, the total light transmittance is from 15 to 95%, and the diffuse reflectance is from 0.1 to 2.4%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.