EP 4264341 A1 20231025 - OPTICAL ANGULAR FILTER
Title (en)
OPTICAL ANGULAR FILTER
Title (de)
OPTISCHES WINKELFILTER
Title (fr)
FILTRE ANGULAIRE OPTIQUE
Publication
Application
Priority
- FR 2013270 A 20201215
- EP 2021085408 W 20211213
Abstract (en)
[origin: WO2022128873A1] The present disclosure provides an optical angular filter having an array of pillars (33) made of a first transparent material, a matrix of walls (35) made of a second opaque material, separating the pillars from one another, the refractive index of the second material being different from that of the first material.
IPC 8 full level
G02B 5/20 (2006.01); G02B 6/08 (2006.01); G02B 6/12 (2006.01)
CPC (source: EP US)
G02B 5/201 (2013.01 - EP US); G02B 6/08 (2013.01 - EP); G02B 3/0006 (2013.01 - EP); G02B 2207/123 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
FR 3117614 A1 20220617; FR 3117614 B1 20230825; CN 116635763 A 20230822; EP 4264341 A1 20231025; JP 2023554061 A 20231226; US 2023408741 A1 20231221; WO 2022128873 A1 20220623
DOCDB simple family (application)
FR 2013270 A 20201215; CN 202180084601 A 20211213; EP 2021085408 W 20211213; EP 21836482 A 20211213; JP 2023536565 A 20211213; US 202118267053 A 20211213