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What's the difference between LCD vs. OLED display screens?

Apple iPhones and iPad may be switching from LCD screens to OLED display screens, since Samsung is starting to pivot away from LCD to OLED screens. Why are OLED screens considered to be better technology than LCD screens?


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An OLED display works without a backlight. Thus, it can display deep black levels and can be thinner and lighter than a liquid crystal display (LCD). In low ambient light conditions such as a dark room an OLED screen can achieve a higher contrast ratio than an LCD, whether the LCD uses cold cathode fluorescent lamps or LED backlight. Due to its low thermal conductivity, an OLED typically emits less light per area than an inorganic LED.

Advantages:
- Lower cost in the future
- Light weight & flexible plastic substrates
- Wider viewing angles & improved brightness
- OLED consumes a lot less battery power, compared to LCD/other displays
- Response time

OLED displays are picking up steam, as the technology can produce richer colors and better pictures in limited amount of space -- think of large, gorgeous TV displays thinner than a pencil. Samsung primarily features its OLED displays on its mobile devices, such as the Galaxy S II smartphone. Yet, the company is considering expansion of the technology to compete with LG Electronics, which wowed audiences at CES 2012 with its large wafer-thin OLED TVs
Apr 5th, 2012 at 9:50 PM
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