Patent ID: 9449574
Filing Date: 2016-09-20
CPC Classification: G02F,G09G

Claim Text:
1. A liquid crystal display device comprising: a pixel portion including pixels arranged in m rows and n columns, where m and n are each a natural number greater than or equal to 2; and an overdrive voltage generation portion in which an overdrive voltage higher than a video voltage is generated, and the overdrive voltage and the video voltage are applied to a pixel electrode of a pixel during a gate selection period, wherein the overdrive voltage generation portion comprises: wherein a pixel density in the pixel portion is higher than or equal to 300 ppi, wherein an aperture ratio in the pixel is higher than or equal to 60%, and wherein a capacitor in the pixel comprises a static capacitance of 30 fF or lower, wherein the video voltage comparator circuit comprises: wherein the overdrive voltage switching circuit comprises: