| CPC G09G 3/3266 (2013.01) [G09G 3/32 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/0291 (2013.01)] | 29 Claims |
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1. A display device comprising:
a substrate including a display area in which one or more images are displayed and a non-display area different from the display area; and
a gate driving panel circuit configured to output a plurality of scan signals to a plurality of scan signal lines arranged in the display area,
wherein the gate driving panel circuit comprises:
an output buffer block including two or more scan output buffers configured to receive two or more scan clock signals and output two or more scan signals among the plurality of scan signals, and
a logic block configured to control respective voltages of a Q node and a QB node electrically connected to the output buffer block,
wherein each of the two or more scan output buffers comprises:
a respective scan pull-up transistor disposed between a scan clock node to which a corresponding scan clock signal among the two or more scan clock signals is input and a scan output node from which a corresponding scan signal among the two or more scan signals is output, and
a respective scan pull-down transistor disposed between a gate low voltage node to which a gate low voltage is applied and the scan output node,
wherein gate nodes of the scan pull-up transistors of the two or more scan output buffers are electrically connected together to the Q node, and each of the two or more scan output buffers further comprises a respective scan bootstrapping capacitor between the gate node and a source node of the corresponding scan pull-up transistor, and
wherein the corresponding scan bootstrapping capacitor included in a specific scan output buffer among the two or more scan output buffers has a different capacitance from the one or more corresponding scan bootstrapping capacitors included in one or more remaining scan output buffers, except for the specific scan output buffer among the two or more scan output buffers.
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