Display screen voltage control circuit

The utility model discloses a display screen voltage control circuit which comprises a display screen first working voltage control circuit and a display screen second working voltage control circuit. The display screen first working voltage control circuit comprises a voltage conversion module, a f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JIANG CHANGBEI, ZHUANG SHAOHUA, ZHUANG BAIYUN, CHEN WENMING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CRYPTOGRAPHY DISPLAY EDUCATION PHYSICS SEALS
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Beschreibung
Zusammenfassung:	The utility model discloses a display screen voltage control circuit which comprises a display screen first working voltage control circuit and a display screen second working voltage control circuit. The display screen first working voltage control circuit comprises a voltage conversion module, a feedback module and a first adjusting module; the voltage conversion module performs voltage conversion on an accessed first voltage and then outputs a first working voltage; the feedback module outputs feedback voltage according to the first working voltage, and the voltage conversion module adjusts the first working voltage according to the feedback voltage; the first adjusting module adjusts the feedback voltage according to the first adjusting signal so as to control the first working voltage; the display screen second working voltage control circuit comprises a voltage dividing module and a second adjusting module; the voltage dividing module divides the first working voltage and outputs a second working voltag