Samsung Develops 1.72'' Super-reflective LCD Screen for Cell Phones

Feb 02, 2006
Samsung Develops 1.72'' Super-reflective LCD Screen for Cell Phones

Samsung Electronics announced that it has developed a 1.72-inch super-reflective (SR) LCD screen that can be read easily outdoors even when the sun is shining brightly. The reflectance rate for the new transflective SR LCD technology is three times that of the usual qqVGA-resolution (128x160 pixels) mobile displays available today.

Samsung Electronics has applied silver with high reflectance instead of aluminum to achieve the breakthrough. At the same time, the company developed a new reflective lens that greatly improves the rate at which light is concentrated into pixels. In addition, light entering the 1.72” LCD can be fully harnessed due to improved transmittance capabilities of the polarizer and color filter.

Moreover, to prevent any increase in power consumption, Samsung chose to combine the super-reflectance technology with transflective (illuminated the screen from front and back) rather than transmissive (illuminated from behind the screen) panel technology. The transflective mode makes more effective use of natural outside lighting than the transmissive mode, while the transmissive mode instead would have increased power consumption by requiring a brightness of at least 300nit to sufficiently improve outdoor visibility.

The super-reflective 1.72” LCD has a brightness of 100nit, a contrast ratio of 220:1/30:1 (transmission/reflection) and 50 percent color saturation.

Executive Vice President Jin-hyuk Yun of the Mobile Display Business Team at Samsung Electronics LCD Business says, “Our new super-reflectance technology allows us to offer consumers a high-quality LCD that is very easy to read in bright sunlight. The SR technology has improved the reflecting metal, the color filter and other parts of the assembled LCD module, in addition to the lens and reflectance rate, without increasing production costs or lowering yields.”

Samsung Electronics plans to apply its new SR technology to all its high-resolution transflective displays in phases.

Source: Samsung Electronics

Explore further: First smartphone app that predicts GPA created

Related Stories

Sharp announces $111 mn tie-up with Samsung

Mar 06, 2013

Sharp on Wednesday announced a $111 million capital tie-up deal with South Korean rival Samsung, in a rare move for a Japanese firm that underscores the fading fortunes of its electronics giants.

Sharp shows 3-D touchscreen displays for mobile devices

Apr 02, 2010

(AP) -- Sharp's latest 3-D displays deliver bright, clear imagery without the cumbersome glasses usually required for such technology. Now the bad news: They only work on a 3-inch (7.5-centimeter) screen held ...

At CES, 'Internet of Things' showcases the connected life

Jan 07, 2015

Everywhere you look at CES, it seems there's nothing that can't be connected to the Internet: Tennis rackets, coffee makers, watches, jewelry, baby clothing, pet accessories, oven ranges and infinitely more appliances and ...

Recommended for you

First smartphone app that predicts GPA created

1 hour ago

If you're a college student wondering how your study and party habits will affect your GPA, wonder no longer. Dartmouth researchers and their colleagues have built the first app that automatically predicts ...

Preventing hydropower turbine failure

2 hours ago

The Francis turbine is the most common type of water turbine used in Norwegian hydropower plants, and has been for many years. About half of the world's Francis turbines are found in Norwegian plants.

User comments : 0

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.