Title:
POWER SUPPLY CIRCUIT FOR SUPPLYING POWER TO ORGANIC LIGHT-EMITTING DIODE AND DISPLAY PANEL
Document Type and Number:
WIPO Patent Application WO/2016/192426
Kind Code:
A1
Abstract:
A power supply circuit for supplying power to an organic light-emitting diode and a display panel are used for relieving or solving the problems of relatively large power consumption and reduction of efficiency of a DC-DC conversion circuit when a current output to an OLED panel by the DC-DC conversion circuit is relatively small because at present the DC-DC conversion circuit outputs a constant-value voltage but the current output to the OLED panel by the DC-DC conversion circuit changes with a load. By means of the power supply circuit for supplying power to an OLED panel, the voltage output by a DC-DC conversion circuit in the power supply circuit is reduced according to a target current; and, the maximum value of the current which can be output by the DC-DC conversion circuit after the reduced voltage is output is not less than the target current, and the target current is the current output to the OLED panel in a time before k preset durations before the moment when the DC-DC conversion circuit receives a preset pulse signal at the latest time.
Inventors:
ZHANG BOYA (CN)
ZHANG CHENGGENG (CN)
ZHANG CHENGGENG (CN)
Application Number:
PCT/CN2016/075788
Publication Date:
December 08, 2016
Filing Date:
March 07, 2016
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
ORDOS YUANSHENG OPTOELECTRONICS CO LTD (CN)
ORDOS YUANSHENG OPTOELECTRONICS CO LTD (CN)
International Classes:
H05B44/00; G09G3/32
Foreign References:
| CN104933987A | 2015-09-23 | |||
| CN102243841A | 2011-11-16 | |||
| CN101217252A | 2008-07-09 | |||
| CN101841238A | 2010-09-22 | |||
| CN103178703A | 2013-06-26 | |||
| US20060279228A1 | 2006-12-14 | |||
| US7598715B1 | 2009-10-06 | |||
| US20080238394A1 | 2008-10-02 |
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
中国专利代理(香港)有限公司 (CN)
中国专利代理(香港)有限公司 (CN)
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