(19)
(11) EP 4 200 907 A2

(12)

(88) Date of publication A3:
09.06.2022

(43) Date of publication:
28.06.2023 Bulletin 2023/26

(21) Application number: 21773685.9

(22) Date of filing: 20.08.2021
(51) International Patent Classification (IPC): 
H01L 25/075(2006.01)
 H01L 33/50(2010.01)
(52) Cooperative Patent Classification (CPC):
H01L 25/0753; H01L 33/505
(86) International application number:
PCT/CN2021/113684
(87) International publication number:
WO 2022/042431 (03.03.2022 Gazette 2022/09)
(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: 24.08.2020 CN 202010856691
01.09.2020 CN 202010904065
03.09.2020 CN 202010912636
20.11.2020 CN 202011313059
27.01.2021 CN 202110108853
09.07.2021 CN 202110779145

(71) Applicant: JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO., LTD
Xiuzhou Area Jiaxing, Zhejiang 314031 (CN)

(72) Inventors:
  • XIONG, Aiming
    Jiaxing, Zhejiang 314031 (CN)
  • ZHOU, Lin
    Jiaxing, Zhejiang 314031 (CN)
  • WANG, Mingbin
    Jiaxing, Zhejiang 314031 (CN)
  • CHEN, Zhenkun
    Jiaxing, Zhejiang 314031 (CN)
  • YU, Zhishan
    Jiaxing, Zhejiang 314031 (CN)
  • JIANG, Tao
    Jiaxing, Zhejiang 314031 (CN)
  • LI, Yuexing
    Jiaxing, Zhejiang 314031 (CN)
  • UNAGIIKE, Hayato
    Kashiwa, Chiba 277-8505 (JP)
  • SAITO, Yukihiro
    Kawasaki, Kanagawa 210-8577 (JP)
  • ZHANG, Zhichao
    Jiaxing, Zhejiang 314031 (CN)

(74) Representative: Haseltine Lake Kempner LLP 
Cheapside House 138 Cheapside
London EC2V 6BJ
London EC2V 6BJ (GB)

   


(54) LED FILAMENT AND LIGHT BULB USING LED FILAMENT