Imagine that when you pick up your mobile phone, you can "read" the text information directly with your fingers without staring at the screen or reading aloud by a voice assistant. This is not the plot of science fiction, but the reality of the latest generation of blind mobile phones. Its screen itself can dynamically generate braille bumps, so that information can be presented in the form of touch, which completely subverts the traditional man-machine interaction.

The screen is the page

Traditional smart phones rely on visual or voice output, while Braille phones integrate display and touch. The screen is composed of micro liquid crystal array and micro mechanical bumps, which can be quickly arranged into Braille characters. When you slide your finger, the surface of the screen will form different bulges with the content, just like Braille on the page. Text information is no longer a visual signal, but a tactile signal, which enables blind users to truly realize the experience of "looking at the screen like reading".

The New Revolution of Tactile Interaction

Compared with voice output, tactile interaction has unique advantages. It does not disturb the surrounding environment, but also protects personal privacy. You can read information quietly in the subway, cafe or library without being heard by others. In addition, this screen can simulate the texture of different fonts, so that the text is no longer monotonous, and each letter and even symbol has subtle tactile differences, which improves reading efficiency and comfort.

The depth and convenience of daily life

Imagine you are waiting in line to pay, and quickly browse the shopping list by touching the screen; Or at night, you can check the news without turning on the light; Even when traveling, there is no need to learn new equipment, and every Braille screen can synchronize mobile phone applications, so that blind users can seamlessly connect with the world. The appearance of braille screen brings every detail of life into the palpable range.

The magic behind technology

The realization of all this can not be separated from the breakthrough of materials science and micromechanics. The surface of the screen is covered with flexible material, and the internal micro-driver can be lifted or lowered instantly to form bumps, and the accuracy reaches micron level. Through algorithmic control, texts, images and even simple charts can be presented in tactile form. At the same time, the screen can automatically adapt to finger pressure and sliding speed to ensure the fluency and accuracy of information transmission.

The possibility of the future

Braille screen is not only an auxiliary tool, but also a bridge to new tactile computing. In the future, it may be combined with virtual reality to make tactile maps, tactile socialization and tactile games possible. It not only changes the lives of the visually impaired, but also provides a new concept of interaction for science and technology.

Mobile phones for the blind let the screen speak for itself, let touch take the place of reading, and let the world speak softly at your fingertips. The boundary between technology and human senses is being redefined, and the future tactile screen may be closer than you think.

（Writer：Weink）