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1. (WO2018058861) OLED DRIVE POWER DEVICE AND OLED TELEVISION

Pub. No.:    WO/2018/058861    International Application No.:    PCT/CN2017/071023
Publication Date: Fri Apr 06 01:59:59 CEST 2018 International Filing Date: Sat Jan 14 00:59:59 CET 2017
IPC: G09G 3/3208
Applicants: SHENZHEN CHUANGWEI-RGB ELECTRONIC CO., LTD
深圳创维-RGB电子有限公司
Inventors: CAI, Shengping
蔡胜平
DAI, Qifeng
戴奇峰
WEI, Zongwang
韦宗旺
ZHOU, Jianhua
周建华
Title: OLED DRIVE POWER DEVICE AND OLED TELEVISION
Abstract:
An organic light-emitting diode (OLED) drive power device and OLED television, the OLED drive power device comprising a power board (10) connected to a motherboard (20) and an OLED screen logic board (30), the power board (10) being provided thereon with a power supply circuit (11), a first conversion module (12), a second conversion module (13), a changeover switch (14) and a power factor correction (PFC) circuit (15); after power is connected, the power supply circuit (11) starts the PFC circuit (15) to output a high-voltage direct current according to an on-off signal output by the motherboard (20), the first conversion module (12) converts the high-voltage direct current into a first voltage and a second voltage to power the motherboard (20), and the changeover switch (14) converts the first voltage into a first enable voltage to power the OLED screen logic board (30); after a preset period of time, the second conversion module (13) converts the high-voltage direct current into a second enable voltage to power the OLED screen logic board (30) so as to light an OLED screen. Redesigning the architecture of the power board (10) eliminates a need for a standby circuit and streamlines circuits, which not only meets the power output stability and timing requirements of an OLED, but also successfully reduces the size of the power board (10), thereby reducing cost of power and benefiting the popularization of the OLED.