Patent · US Active

Screen provided with retroreflective microstructures

US9835860B2 · kind B2 · utility

1Cited by

2References

14Claims

0Family size

Assignee

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR

Inventor

Christophe Martinez · Grenoble, FR

Key dates

Filing date	Aug 18, 2016
Grant date	Dec 5, 2017
Priority date	—
Expiry date	Aug 18, 2036

Classification

Technology area (CPC G)Physics
CPC primaryG02B2027/0196
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A retroreflective screen including a first film having a surface including a plurality of microrecesses, each microrecess having a bottom substantially parallel to the mean plane of the screen and first and second lateral walls substantially orthogonal to each other and substantially orthogonal to the bottom, the first and second lateral walls and the bottom of the microrecess joining at a same point and forming a trihedron.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.