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EP 3 635 258 A1

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(43) Date of publication: 15.04.2020 Bulletin 2020/16 (21) Application number: 18802603.3 (22) Date of filing: 17.05.2018

(51) International Patent Classification (IPC):  F04D 13/08(2006.01) F04D 13/14(2006.01) F04B 49/06(2006.01) F04D 13/06(2006.01) F04D 15/02(2006.01) F04B 23/02(2006.01) (86) International application number: PCT/US2018/033276 (87) International publication number: WO 2018/213639 (22.11.2018 Gazette 2018/47)

(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 (30) Priority: 19.05.2017 US 201715600580 (71) Applicant: LT Lighting (Taiwan) Corporation Hsinchu 300 (TW)	(72) Inventors: CHANG, Wen Ten Hsinchu 300 (TW) LIAO, Jau-Dar Hsinchu 300 (TW) LAI, Hsin-Chen Hsinchu 300 (TW) LI, Chang-Horang Hsinchu 300 (TW) LU, Ming Huei Hsinchu 300 (TW) SHUY, Geoffrey Wen-Tai Hsinchu 300 (TW) (74) Representative: Adam, Holger  Kraus & Weisert Patentanwälte PartGmbB Thomas-Wimmer-Ring 15 80539 München 80539 München (DE)