Engineers have been working on flexible screens for many years. But until this year, what we saw was still the prototype of a flexible screen. Is the flexible screen really cool and practical? Or are they going to repeat the unrealistic naked-eye 3D screen?
In 2008, Hewlett-Packard and the Arizona State University Flexible Screen Center demonstrated the prototype of a low-cost flexible electronic screen with self-aligned imprint lithography. The paper-like computer screen is almost entirely made of plastic, making it durable, mobile and portable. In 2010, the Taiwan Industrial Technology Research Institute and AU Optronics jointly developed a production process to manufacture flexible e-book reader screens using active matrix light-emitting diode (AMOLED) technology.
Then last fall, Nokia showed a practical prototype of a somatosensory control device with a flexible light-emitting diode (OELD) screen. To interact with it, you have to hold the device with both hands so that you can bend it to get a specific result—for example, bending the screen inward, you can zoom in on the photo through the Photo Gallery app, or You can zoom out by bending the screen outside. The music app lets you distort the screen up or down to browse music albums. If you want to play a song, you just have to twist the screen inside. Does it sound cool? Absolutely. Is it realistic? Hard to say. This may be useful for playing games; but since you have to use both hands to manipulate it, it seems impractical to use it in your phone.
This year, Samsung announced that it has begun shipping OLED-based flexible Youm screens that use a standard OELD design, but with glass substrates and encapsulation layers replaced with flexible polymer sheets.
LG is also mass producing flexible screens, but they are electronic ink screens for e-book readers. The e-ink screen has a diagonal size of 6 inches and has 1024 & TImes; 768 pixel resolution. Like Samsung's screens, LG's electronic ink screens are also made of plastic and have no protective glass sheets.
Atmel, a company that develops touch sensor technology for tablets and mobile phones, has released a new touch sensor called XSense. The product is made of a flexible film that can be wrapped around the outside of a curved surface. Atmel's XSense touch sensor is now available, and the final product is scheduled to be available sometime in the third quarter of this year.
Flexible screen has the advantages
Screens that can be bent and moved have a number of potential advantages. Youm screens are expected to be lighter and thinner because they use fewer layers than the LCD and OLED screens we see on current mobile phones and tablets. The LCD screen usually has six layers, two of which are glass; the OLED panel has four layers, two of which are glass panels.
In addition, flexible screens may be more durable than today's mobile and tablet screens because they do not use glass. Samsung claims that its screen is "unbreakable", but unless PCWorld magazine has the opportunity to test the screen in an internal lab, I am skeptical about this statement.
Another potential use for flexible screens is that manufacturers can design "wearable" products. For example, the Nokia Morph concept device is a wearable watch/phone hybrid made of fibrin – fibrin can be woven into a three-dimensional mesh, so the entire phone (including the screen) can be moved and bending.
Challenge ahead
The screen launched this year is not as flexible as you might think, but it is expected that e-book readers made of flexible e-book screens and several mobile phones will be available before the end of this year, and next year you may see Samsung AMOLED screens. Tablet.
Mobile phone manufacturers face a big challenge ahead. They must find ways to ensure the practicability of the flexible screen, rather than just being able to bend this bright spot. The naked-eye 3D screen on mobile phones and tablets has been hailed as cool and futuristic, but ultimately consumers find that 4.3-inch 3D screens are of little use. Samsung's Youm screen is light and more durable than the unbendable OELD screen. It's also very early, it's just a secondary feature.
Being able to bend and move the screen itself does not bring intrinsic appeal; in addition to being light and durable, manufacturers have to think of other ways to make flexible screens both enticing and practical. Nokia's prototype of the somatosensory control device provides a noteworthy idea that allows the world to understand how flexible screens can be used, but it seems to be a bit unrealistic. Vendors have to consider the amount of wear and tear that this device has to endure. The screen bends thousands of times and can cause serious damage to its components.
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