This paper describes a new concept for low power consumption TFT-LCDs, based on monolithic multi-drivers. The multi-driver architecture consists of two data line drivers, one analogue, one binary, that can operate in tandem or independently. The analogue driver allows the display to show high quality full colour video images. The binary driver provides 8 colour text data display, either on its own, or superimposed onto the image provided by the analogue driver. Operation of the binary driver consumes 1/10 th of the power that operation of the analogue driver needs. The display module can therefore operate at substantially lower power for many display applications, yet still achieve high display performance when demanded.
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