EP 3824327 A1 20210526 - ANGULAR FILTER AND METHOD FOR MANUFACTURING SAME
Title (en)
ANGULAR FILTER AND METHOD FOR MANUFACTURING SAME
Title (de)
WINKELFILTER UND VERFAHREN ZU SEINER HERSTELLUNG
Title (fr)
FILTRE ANGULAIRE ET SON PROCEDE DE FABRICATION
Publication
Application
Priority
- FR 1856709 A 20180719
- EP 2019069454 W 20190718
Abstract (en)
[origin: WO2020016393A1] The present description relates to an optical system (5) comprising a layer (16) comprising a first surface (11) intended to receive a radiation and a second surface (13) opposite the first surface. The layer is opaque to the radiation and comprises holes that pass through or partially pass through (18) and are open on the first surface. The optical system comprises a matrix of micrometric-sized optical elements (14) covering the layer. Each optical element is configured to behave like a converging lens with a focal distance between 1 μm and 100 μm. The distance between the surface at an equidistance from the first and second surfaces and the focal points of the optical elements is less than two times the thickness of said layer.
IPC 8 full level
G02B 3/00 (2006.01); G02B 5/20 (2006.01); G06V 10/143 (2022.01); G06V 10/147 (2022.01); H01L 27/146 (2006.01)
CPC (source: EP KR US)
G02B 3/0012 (2013.01 - KR); G02B 3/0056 (2013.01 - EP KR US); G02B 5/003 (2013.01 - KR); G02B 5/005 (2013.01 - KR); G02B 5/201 (2013.01 - EP KR); G02B 27/30 (2013.01 - US); G06V 10/143 (2022.01 - EP KR); G06V 10/147 (2022.01 - EP KR US); G06V 40/1318 (2022.01 - EP KR); H01L 27/14623 (2013.01 - EP KR); H01L 27/14627 (2013.01 - EP KR US); H01L 27/14685 (2013.01 - EP KR); G02B 1/14 (2015.01 - US); G02B 5/003 (2013.01 - EP US); G02B 5/005 (2013.01 - EP US); G02B 5/20 (2013.01 - US); G02B 5/201 (2013.01 - US); G02B 2207/123 (2013.01 - EP KR US); G03F 7/0005 (2013.01 - US); G06V 10/143 (2022.01 - US); G06V 40/1318 (2022.01 - US); H01L 27/14685 (2013.01 - US); H10K 39/32 (2023.02 - US)
Citation (search report)
See references of WO 2020016392A1
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
DOCDB simple family (publication)
WO 2020016393 A1 20200123; CN 112437891 A 20210302; CN 112437891 B 20220927; CN 112437892 A 20210302; CN 112437892 B 20230228; CN 112714879 A 20210427; EP 3824326 A1 20210526; EP 3824326 B1 20230906; EP 3824327 A1 20210526; EP 3824328 A1 20210526; EP 4235601 A2 20230830; EP 4235601 A3 20231025; FR 3084207 A1 20200124; FR 3084207 B1 20210219; JP 2021530745 A 20211111; JP 2022536215 A 20220815; JP 2022536426 A 20220817; JP 7348263 B2 20230920; JP 7411630 B2 20240111; KR 20210036935 A 20210405; KR 20210036936 A 20210405; KR 20210037680 A 20210406; US 2021318475 A1 20211014; US 2021325576 A1 20211021; US 2021333441 A1 20211028; WO 2020016391 A1 20200123; WO 2020016392 A1 20200123
DOCDB simple family (application)
EP 2019069455 W 20190718; CN 201980048205 A 20190718; CN 201980048208 A 20190718; CN 201980061135 A 20190718; EP 19740009 A 20190718; EP 19740010 A 20190718; EP 19740011 A 20190718; EP 2019069453 W 20190718; EP 2019069454 W 20190718; EP 23180840 A 20190718; FR 1856709 A 20180719; JP 2021502934 A 20190718; JP 2021502943 A 20190718; JP 2021502944 A 20190718; KR 20217004787 A 20190718; KR 20217004795 A 20190718; KR 20217004796 A 20190718; US 201917260949 A 20190718; US 201917260955 A 20190718; US 201917260961 A 20190718