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Pat. 10819230 United States, Int. Cl.22 H02M 3/07, G09G 3/36, H02M 3/158. DC voltage conversion circuit, DC voltage conversion method and liquid crystal display device : Appl. N 16/615363 : Filed 04.12.2017 : Pub. 27.10.2020 : / Wenfang Li, Dan Cao ; Assignee Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10819230/en?oq=US10819230.html (дата обращения: ДД.ММ.ГГГГ).