A Thin Film Transistor (TFT) is a special kind of field-effect transistor made by depositing thin films of an active semiconducting layer as well as the dielectric layer and metallic contacts over a supporting substrate. TFTs are widely used in display technologies, such as LCDs and OLEDs, due to their ability to control individual pixels with high precision and low power consumption.
Power consumption in displays varies significantly based on technology, size, and usage, with modern advancements like OLED and microLED often offering more efficiency than traditional LCDs. Energy-efficient displays not only help reduce electricity costs but also extend the battery life of portable devices, playing a vital role in sustainable design and device performance.
Top-emission structure in OLED technology allows light to be emitted from the top surface, increasing the efficiency and flexibility of display designs. This structure is particularly advantageous for transparent and flexible screens, where a bottom-emission design isn't practical due to visibility requirements and substrate constraints.
Pixel Refresh is a technology used in OLED displays to combat image retention and improve overall picture quality by regularly resetting the pixels to their original state. It involves automatically adjusting the individual pixel brightness levels to prevent any burn-in effects that can occur over prolonged periods of static image exposure.