53.2: Power Consumption of micro‐encapsulated Display for Smart Handheld Applications

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<jats:title>Abstract</jats:title><jats:p>A detailed investigation of power consumption of microencapsulated electrophoretic (“electronic ink”) displays for smart handheld applications has been made. It is shown that the most of the power loss arises from driving the source lines. Since power is consumed only when pixels change state, typical power consumption with the display being constantly updated is only around 5‐20% of the maximum value. Furthermore, under typical use, the display update duty cycle will be less than 1%, with a corresponding hundred‐fold reduction in power consumption For example, an SVGA e‐book is expected to consume as little as 1.5 mW. Thus, while the maximum power consumption for an electronic ink matrix display is comparable to that for reflective AMLCD's, the actual operating power will in most cases be lower by at least one to two orders of magnitude.</jats:p>

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