(19)

(11)

EP 3 890 663 A1

(12)

(43) Date of publication: 13.10.2021 Bulletin 2021/41 (21) Application number: 19827960.6 (22) Date of filing: 27.11.2019

(51) International Patent Classification (IPC):  A61F 4/00(2006.01) F21V 21/084(2006.01) G06F 3/01(2006.01) G02B 27/01(2006.01) (52) Cooperative Patent Classification (CPC): G06F 3/015; F21Y 2115/10; A61F 4/00; G02B 27/0176; G06F 3/012; F21V 21/084; F21V 23/0414 (86) International application number: PCT/US2019/063717 (87) International publication number: WO 2020/117597 (11.06.2020 Gazette 2020/24)

(84) Designated Contracting States: 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 States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 05.12.2018 US 201862775482 P (71) Applicant: First-Light USA, LLC Seymour, IL 61875 (US)	(72) Inventor: ROSS, Jeremy B. Monticello, IL 61856 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)