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Pat. 10181790 United States, Int. Cl.22 H02M 3/157, G02F 1/133, G09G 3/36, H02H 3/02, H02H 3/20, H02H 3/24, H02H 7/12, H02M 3/156, H02M 1/00. Direct current voltage conversion circuit and liquid crystal display device : Appl. N 15/118873 : Filed 22.06.2016 : Pub. 15.01.2019 : / Dan Cao ; Assignee Shenzhen China Star Optoelectronics Technology Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10181790/en?oq=US10181790.html (дата обращения: ДД.ММ.ГГГГ).