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Apple May Fine-Tune their Retina Display for Power Savings

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Earlier this month we noted in a report that that IGZO displays used in Apple's current and future products will not only be brighter but could eventually reduce power consumption by 50% or more. Getting more life out of our mobile devices is important to all of us and it's a priority at Apple who is working to advance displays that could continue to provide a power savings.

Apple's latest display invention covers techniques for reducing the power consumption of display devices are provided. In one embodiment, a display device includes a timing controller that may control a rate at which frames are refreshed on a display. The timing controller may cause the frames to refresh at different rates, depending on the image data received at the timing controller. For example, if the image data is not static, the frames may be refreshed at a first rate. However, if the image data is static, the frames may be refreshed at a lower, second rate to reduce the power consumption of the display device.


Apple's patent FIG. 9 is a timing diagram of the power supply modulation of a display device when operating in a default refresh mode and a decreased refresh rate in accordance with aspects of Apple's invention.


Patent Credits


Apple credits Taesung Kim as the sole inventor of this patent application which was originally filed in Q2 2012. For those wishing to delve into the details of Apple's invention can do so here.


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