What gives Samsung’s flexible AMOLED display a clear advantage?
The company’s curved mobile display was first released in 2013 with the Galaxy Round smartphone.
The company’s third generation curved display features a 6.5 radius curvature on each side which has been made possible by using polyimide (PI) as a substrate rather than glass which has traditionally been used in AMOLED panels. The flexible display is claimed to be more bendable than a human hair at less than a millimeter thick.
The thickness of the AMOLED substrate is less than half the thickness of glass substrates in conventional mobile LCD displays which has enabled Samsung to deposit an electronic circuit onto it and evaporate a luminant RGB organic device.
Samsung Display’s latest version of the Flexible AMOLED display provides bright, colorful images with 3.6 million pixels, in addition to low power consumption and a fast response time.
n 2014 Samsung released the Galaxy Note Edge, which improved the display technology as the YOUM Bended Display. With the Flexible AMOLED Display, Samsung Display offered the first dual-edge display which was incorporated in the Galaxy S6 edge, which features two curved or beveled sides.
Samsung’s Flexible AMOLED display can be used in a ‘dual-faceted’ design with two rounded sides or in single-edge applications. Thanks to a curvature of 6.5R for each side, the display’s design is easy to grab onto with one hand. ‘UX Matters’, an American non-profit organization analyzing user experiences with mobile devices, has confirmed that most people use only one hand to search for information on their mobile device. In particular, most use their right thumbs to swipe their screen for touch commands.
The AMOLED display on the Galaxy S6 has a 1,440 by 2,560 pixel resolution with a pixel density of 577 ppi, a 75% higher density than that of the Galaxy S5. The new display has more than 3.6 million RGB organic subpixels on its PI substrate, allowing the user to see finer image detail.
The flexible display can also drive each of its pixels individually to reduce power consumption. The display employs ‘partial operation technology’ that allows a smartphone to make use of 7 mm of each column of the curved display at any one time, reducing power consumption by about 20%.
The Flexible AMOLED, which has a response speed of 0.01 millisecond, is capable of delivering images up to hundreds of times faster than a mobile device equipped with an LCD (8 ms), once new application processors are introduced.
The Flexible AMOLED also claims the industry’s highest color reproduction rate. The device has a color gamut that perfectly supports the Adobe RGB color scale. Adobe RGB covers a 30% wider range of colors than sRGB, which is the most frequently used color standard today. QHD AMOLED display technology can depict almost 100% of Adobe RGB, while LCD can replicate only about 70% because of its inherent structural limitations in requiring a backlight illumination source.
Curved displays have been developed to overcome health problems associated with smartphones. Dequervain Syndrome, which is caused by straining a finger muscle and wrist, can be minimized by the use of curved edge displays which have been optimized to achieve the greatest amount of user convenience. With the Flexible AMOLED consumers can move the icons and menus that they most frequently use to an Edge screen so that their favorites can be easily touched with only one hand thereby reducing finger fatigue by a factor 20 times.
“We are witnessing enormous interest in our leading-edge Flexible OLED display, even more than had been anticipated,” claimed Ho Jung Kim, a spokesman for Samsung Display. “We are working extra hours to increase our production levels in order to meet the extremely high demand” .
Related articles and links:
https://www.samsungdisplay.com/eng/index/index.jsp
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