Integrated driver circuitry for active-matrix liquid-crystal displays

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Abstract
In the near future, the self-scanned displays will be developed to increase functionalities and complexity. Due to the rapid advances in TFT fabrication technology, and more sophisticated design technique, advanced self-scanned displays will integrate more data storage and bandwidth decompression circuitry and eventually become a system on glass. The new displays will not only include dynamic scanning circuitry, digital gray scale generators, and clock generators, it will also add circuitry for reformatting the data and possibly signal processor. Furthermore, the self-scanned circuitry will be able to interface directly with program source with standard 5V signals, as TFT device characteristics improve. Despite an increase in the complexity of the display, the external lead count will continue to be reduced by increasing the data rate per data line. The temperature and process compensation circuitry will also be transferred to the display plate both to increase its effectiveness and to reduce cost. The select and data line scanner circuitry will be simplified to fit within a 1 mm boundary along all sides of the plate. The redundancy circuitry will be further improved to increase the yield of both the AMLCD array and the scanners.

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