Patent ID: 9430961
Filing Date: 2016-08-30
CPC Classification: G09G

Claim Text:
1. A data driver comprising: a first latch unit comprising a plurality of first groups, wherein each of the first groups includes two or more first latches configured to store data; a level shifter unit comprising a plurality of level shifters configured to convert a voltage level, wherein each of the plurality of level shifters corresponds to one of the first groups; a selector including a plurality of switches, each of the plurality of switches being between one of the first latches in each first group and the level shifter corresponding to the first group and providing data from one of the first latches in each first group to the corresponding one of the plurality of level shifters; a second latch unit comprising a plurality of second groups, wherein each of the second groups corresponds to one of the plurality of level shifters and includes second latches; and a timing controller configured to generate first control signals that control operations of the plurality of switches and second control signals that simultaneously enable one of the second latches in each second group, wherein one of the second latches in each second group is simultaneously enabled, and the enabled one of the second latches in each second group stores data output from the corresponding one of the plurality of level shifters.