CPC G09G 3/3426 (2013.01) [G09G 5/008 (2013.01)] | 20 Claims |
1. A backlight apparatus comprising:
a plurality of blocks, each of the plurality of blocks comprising a plurality of light emitting elements;
a master driving circuit configured to generate a transmission frame comprising a training period and a data period, the training period comprising a clock training pattern, and the data period comprising a plurality of data packets respectively corresponding to the plurality of blocks; and
a plurality of slave driving circuits respectively corresponding to the plurality of blocks and connected to the master driving circuit in a daisy chain structure, each of the plurality of slave driving circuits configured to:
receive the transmission frame through the daisy chain structure,
recover a clock based on the clock training pattern,
drive the plurality of light emitting elements in a corresponding block among the plurality of blocks based on its own data packet among the plurality of data packets, and
transfer a masked frame obtained by masking at least a portion of the data period as the transmission frame of a next slave driving circuit among the plurality of slave driving circuits.
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