MALFUNCTION PROTECTION CIRCUIT FOR SOURCE DRIVER IC WITH COG FORM AND FLAT PANEL DISPLAY CONTROL APPARATUS WITH THE SAME

PURPOSE: A circuit is provided to prevent the malfunction of a source drive integrated circuit by stabilizing the output of an unstable level shifter in an initial step of power sequence in which can be generated when it is populated into a COG form. CONSTITUTION: A corresponding malfunction prevent...

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Bibliographische Detailangaben
Hauptverfasser: KIM, MYUNG YU, SON, YEONG JOON
Format: Patent
Sprache:eng ; kor
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Beschreibung
Zusammenfassung:PURPOSE: A circuit is provided to prevent the malfunction of a source drive integrated circuit by stabilizing the output of an unstable level shifter in an initial step of power sequence in which can be generated when it is populated into a COG form. CONSTITUTION: A corresponding malfunction preventing circuit comprises level shifters (LS1-LSn) processing an input signal as high voltage and outputting an output signal at low voltage; initialization circuits (IC1-ICn) initializing the output signal of each level shifter for the enable state of initialization signals into the grounded voltage VSSD in which is the constant voltage; and a multiplexer driver (MUXD) delivering each output signal into a multiplexer. [Reference numerals] (AA) Initialization signal