American researchers claim that they have found a new way to make a large, flexible display that can be used to make brake light indicators that are mounted along the curvature of the car, while the transparency is high and the passengers can see the scenery outside the window. . Related papers were published in the recently published journal Science.
John Rogers of the University of Illinois at Urbana-Champaign led the study, saying that the slim, thin screen can be used to make brake lights, health monitors, or wrap patients around like a blanket. Imaging equipment.
The researchers pointed out that this large display has both the durability of a light-emitting diode (LED) and the large screen (the light-emitting diode is therefore used to make a flat-panel light billboard), and because it is made of organic carbonaceous materials. It also has a unique flexibility.
At present, large, individual LED beams can be fabricated from inorganic materials that require automated means to rearrange them one by one; displays made of organic materials can be sprayed or applied to the surface of the film, but they are not bright enough. And the durability is also poor. Can we combine the advantages of the two and make use of each other's strengths?
To solve this problem, the researchers fabricated LEDs on a thin film and dissolved them with chemicals, then applied small plastic labels to the two corners to ensure that the LEDs would not be in the "chemical bath." "The middle was washed away.
The researchers then used a special stamping technique to deposit these inorganic light-emitting diodes on glass, plastic or rubber surfaces and combine them.
These LEDs can be connected to each other and powered up just like powering up a computer chip. Because the LEDs provide sufficient light even when placed far apart, the resulting panel and display are almost transparent.
Rogers said that the new method can lift a large number of small and thin LEDs from the surface in one step, and then print them on a pedestal. Therefore, by placing these LEDs on plastic, brake lights can be manufactured.
Rogers' research project was originally funded by Ford Motor Company, and Ford Motor Company wanted to find a way to make a car brake light indicator that matched the shape of the car.
John Rogers of the University of Illinois at Urbana-Champaign led the study, saying that the slim, thin screen can be used to make brake lights, health monitors, or wrap patients around like a blanket. Imaging equipment.
The researchers pointed out that this large display has both the durability of a light-emitting diode (LED) and the large screen (the light-emitting diode is therefore used to make a flat-panel light billboard), and because it is made of organic carbonaceous materials. It also has a unique flexibility.
At present, large, individual LED beams can be fabricated from inorganic materials that require automated means to rearrange them one by one; displays made of organic materials can be sprayed or applied to the surface of the film, but they are not bright enough. And the durability is also poor. Can we combine the advantages of the two and make use of each other's strengths?
To solve this problem, the researchers fabricated LEDs on a thin film and dissolved them with chemicals, then applied small plastic labels to the two corners to ensure that the LEDs would not be in the "chemical bath." "The middle was washed away.
The researchers then used a special stamping technique to deposit these inorganic light-emitting diodes on glass, plastic or rubber surfaces and combine them.
These LEDs can be connected to each other and powered up just like powering up a computer chip. Because the LEDs provide sufficient light even when placed far apart, the resulting panel and display are almost transparent.
Rogers said that the new method can lift a large number of small and thin LEDs from the surface in one step, and then print them on a pedestal. Therefore, by placing these LEDs on plastic, brake lights can be manufactured.
Rogers' research project was originally funded by Ford Motor Company, and Ford Motor Company wanted to find a way to make a car brake light indicator that matched the shape of the car.
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