Recently, German and Spanish scientists have made new breakthroughs in OLED technology and found ways to make OLED screens more energy-efficient and have a longer lifespan.
We know that OLED screens are thinner, lighter, and brighter than LCDs. However, the disadvantage of OLED is that its short life. The scientists' improvement did not create screens with new organic polymer materials, nor did they redesign the screen structure, but simply changed the OLED manufacturing process.
It turns out that when the raw material is deposited on the substrate, it is only necessary to increase the temperature to improve the OLED screen. When the temperature reaches a certain condition, the material changes from a glassy state to a rubbery state. For many organic materials, this temperature is approximately 100 degrees Celsius. Researchers heated the polymer to make the temperature 80-90% of the conversion temperature, creating "ultra-stable glass."
The researchers used four commonly used phosphor emitters to test and found that the life span was increased by 15% and energy saving was 15%. Next, researchers will test new technologies with more OLED materials. Then it depends on whether the heating technology can be used in the manufacturing process, and it can not increase too much cost.
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