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With the help of LED backlight technology, the LCD screen has been very power-efficient, but no matter how it compares to the electronic ink screen. Today, researchers from Hong Kong University of Science and Technology have successfully challenged this limit.
Scientists have developed a brand new LCD screen called "optical rewritable LCD", abbreviated as ORWLCD. Today's LCD screens have a layer of electrodes. When the current passes through these electrodes, the brightness of the screen will change. The ORWLCD removes the electrode layer and instead “images†the image directly on the liquid crystal mask.
In this way, the ORW LCD screen becomes very similar to the e-ink screen, which can display a static image for several years without any power consumption.
This feature doesn't sound like power, but it does: After removing the electrode layer, the ORWLCD will become much thinner than the current LCD screen, and it will be simpler to manufacture and lower cost. In addition, its 3D display is even better than the prior art.
Unfortunately, the ORW LCD screen is still very imperfect, it can only display grayscale images, and the refresh rate is very low. However, we must believe that this can be overcome.
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