Method of driving LED chips of different specifications

(19)

(11)

EP 2 785 145 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	21.10.2015 Bulletin 2015/43

(43)	Date of publication A2:
	01.10.2014 Bulletin 2014/40

(21)	Application number: 14160490.0

(22)	Date of filing: 18.03.2014

(51)

International Patent Classification (IPC):

H05B 33/08^(2006.01)

(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

(30)

Priority:

27.03.2013 TW 102110957 U

(71)	Applicants:
	Hep Tech Co. Ltd. 408 Taichung City (TW) Lin, Ming-Feng 407 Taichung City (TW)

(72)	Inventor:
	LIN, Ming-Feng 407 Taichung City (TW)

(74)	Representative: Viering, Jentschura & Partner Patent- und Rechtsanwälte
	Kennedydamm 55 / Roßstrasse 40476 Düsseldorf 40476 Düsseldorf (DE)

(54)	Method of driving LED chips of different specifications

(57) A method of driving LED chips, wherein the LED chips have different specifications, includes the steps of: A. defining a plurality of setting currents; B. connecting a LED chip (60); C. selecting one of the setting currents which matches a rated current of the LED chip (60); and D. providing power with the selected setting current to the LED chip (60). Whereby, the method could be applied to drive LED chips of several different specifications.

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