Source driving circuit and display device including the same

A source driving circuit of a display device includes a plurality of unit driving circuits configured to drive a plurality of connection nodes connected to a display panel. Each unit driving circuit includes a plurality of driver circuits and output switches. The driver circuits perform analog-conve...

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Bibliographic Details
Main Authors Yu, Chan-Bong, Kim, In-Suk
Format Patent
LanguageEnglish
Published 19.05.2020
Subjects
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
PHYSICS
SEALS
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Summary:A source driving circuit of a display device includes a plurality of unit driving circuits configured to drive a plurality of connection nodes connected to a display panel. Each unit driving circuit includes a plurality of driver circuits and output switches. The driver circuits perform analog-conversion and amplification operations on a plurality of digital data signals to generate a plurality of analog data signals. The output switches are connected in parallel between the driver circuits and a corresponding connection node among the plurality of connection nodes. The output switches transfer the plurality of analog data signals alternately to the corresponding connection node. Each one of the plurality of connection nodes may be driven by more than one of the plurality of driver circuits. The source settling time is reduced and performance of the display device is enhanced by disposing a plurality of unit driving circuits to each connection node.
Bibliography:Application Number: US201816126575