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Samsung Launched Smartphone With Flexible Screen



The giant mobile maker company Samsung provided a glimpse of  smartphone that can bend on Wednesday at the International CES gadget show in Las Vegas. CES is a yearly showcase of the latest TVs, computers and other consumer-electronic devices.

Samsung demonstrated a phone that consists of a matchbox-sized hard enclosure, with a paper-thin, flexible color screen attached to one end. The screen doesn't appear flexible enough to fold in half like a piece of paper, but it could bend into a tube.

The company also showed a video of a future concept, with a phone-sized device that opens up like a book, revealing a tablet-sized screen inside.The screen uses organic light-emitting diodes, or OLEDs. Only a thin layer of these chemicals is needed to produce a bright, colorful screen. They're used in many Samsung phones already, though with glass screens. For the bendable phone, Samsung laid the chemicals over thin plastic instead of glass. That's a trick you can't pull off with liquid crystals in standard displays.

Advantage:- You could pack a bigger screen in your pocket. In a more conventional application, Berkeley demonstrated a phone with a display that's rigid, but bent around the edges of the device, so it can show incoming messages even with a cover over the main screen. In short, OLEDs free designers to make gadgets with curved screens.

Pitfall: It's tough to use a touch screen if it bends away from your finger. Flexible OLED screens have been demonstrated for years, but the OLED chemicals are extremely sensitive to oxygen, so they need to be completely sealed off from the air. Volume production of flexible displays that remain airtight has so far stumped engineers. Samsung's screens aren't yet flexible enough to fold, just bend.

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