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Pat. 9875692 United States, Int. Cl.22 G05F 1/00, G09G 3/3225, G09G 3/3258, G09G 3/3266, G09G 3/3291, H02M 1/08, H02M 1/32, H02M 3/156, H02M 3/158, H05B 44/00, G06F 3/042, H02M 1/00. DC-DC converter and organic light emitting display including the same : Appl. N 15/147102 : Filed 05.05.2016 : Pub. 23.01.2018 : / Sung-Cheon Park ; Assignee Samsung Display Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9875692/en?oq=US9875692.html (дата обращения: ДД.ММ.ГГГГ).