A flexible cell phone display can be unfurled and then rolled back up into a cylinder case. An early prototype show above shows E ink technology at work, what is absolutely amazing is that the display retains its image even when the power is turned off.
An OLED consists of an emissive organic material, that when supplied with an electrical current, can produce a superior full color flat panel display. OLED stands for organic light emitting diode. OLED or flexible displays do not use crystals the way smart phone LCD screen uses crystals. OLED is much better than both the LCD and CRT technology. Organic light emitting diode is so incredibly thin; it can be placed on a substrate such as plastic film or glass. Not only is it thin, but OLED is so light weight, it is an advantage for hand-held devices, smart phones, cell phones, laptops and notebooks. Compared to traditional or old CRT displays, OLED is brighter, sharper and even has a better contrast than LCD
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