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Flexible, Color OLED Screens For E-Readers
nadiskafadi writes "Taiwanese researchers have shown off several flexible display technologies in an endeavor to promote e-readers and e-paper. One of the newest technologies from the Industrial Technology Research Institute was a flexible 4.1-inch color OLED (organic light emitting diode) display, which it claims is for the next era of portable devices."
There's something noticeably absent from that list: the Moon. The moon was mankind's primary source of light before the advent of fire, and the moon can be very bright at times. Yet the moon's light is entirely composed of reflected light. The poster above you is correct: light is light, irrespective of the source. The key aspect is how bright the light is. Staring at the sun is bad, not because it's a light source, but because it's a POWERFUL light source which is much brighter than our eyes are capable of handling directly. With many modern devices, brightness can be varied for increased eye comfort and reduced strain.
That being said, the issue is that, often, reducing brightness also reduces contrast on light emitting devices. And when the brightness is high, it can wash out the darker colors, and make details hard to see because the light overwhelms it. Thus E-Ink is useful not because it's not a light source, but because it is a low brightness (when reading under reflected light) high contrast display, which uses almost no energy when the display is static, making it perfect for long-term reading.