(19)
(11) EP 4 118 637 A1

(12)

(43) Date of publication:
18.01.2023 Bulletin 2023/03

(21) Application number: 21713274.5

(22) Date of filing: 25.02.2021
(51) International Patent Classification (IPC): 
G09G 3/20(2006.01)
H05B 45/20(2020.01)
H05B 47/18(2020.01)
G09G 3/32(2016.01)
(52) Cooperative Patent Classification (CPC):
G09G 2300/026; G09G 3/2092; G09G 2300/06; G09G 2370/12; G09G 2370/04; G09G 3/2085; G09G 3/2096; G09G 3/32; G09G 2370/02; G09G 2370/08; G09G 2370/10; G09G 5/12; G09G 2320/0693; G09G 5/06
(86) International application number:
PCT/US2021/019708
(87) International publication number:
WO 2021/183299 (16.09.2021 Gazette 2021/37)
(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: 11.03.2020 US 202016815101
27.10.2020 US 202017081522

(71) Applicant: Creeled, Inc.
Durham, NC 27703 (US)

(72) Inventor:
  • HUSSELL, Christopher P.
    Raleigh, North Carolina 27617 (US)

(74) Representative: Murgitroyd & Company 
Murgitroyd House 165-169 Scotland Street
Glasgow G5 8PL
Glasgow G5 8PL (GB)

   


(54) ACTIVE CONTROL OF LIGHT EMITTING DIODES AND LIGHT EMITTING DIODE DISPLAYS