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A rollable display is a flexible display that can be rolled up into a scroll. Technologies involved in building a rollable display include electronic ink, Gyricon, and OLED. Electronic paper displays which can be rolled up have been developed by E Ink. At the CES 2006, Philips showed a rollable display prototype, with a screen capable of retaining an image for several months without electricity. As of 2007 Philips Polymer Vision expected to launch a 5-inch, 320 x 240-pixel rollable display based on E Ink’s electrophoretic technology. Some flexible organic light-emitting diode displays have been demonstrated. The first commercially sold flexible display was an electronic paper wristwatch. A rollable display is an important part of the development of the roll-away computer. ==Advantages== Rollable displays have many advantages over glass: better durability, lighter weight, thinner dimensions, and can be perfectly curved and used in many devices. Moreover, the major difference between glass and rollable display is that the display area of a rollable display can be bigger than the device itself; If a flexible device measuring, for example, 5 inches in diagonal and a roll of 7.5mm, it can be stored in a device smaller than the screen itself and close to 15mm in thickness. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「rollable display」の詳細全文を読む スポンサード リンク
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