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Technical Journal No.2 (August 1999)
Special Papers
Development of New Driving and Packaging Methods for LCD Driver LSIs

Toshio WatanabeKenji ToyosawaKazuhiko FukutaHiroshi Nishioka
Shigeki TanakaYukihisa OrisakaNobuhisa Sakaguchi

In the conventional AMLCD, input signals are directly fed into each cascaded driver LSI.
The authors developed new driving and packaging methods in which only the top driver LSI gets signals from the control LSI, which are then transmitted in cascade to the other driver LSIs (high-speed self-transfer).
The new methods enable the signal lines to be implemented on the LCD glass and this leads to a narrower frame and a thinner panel.

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