In 2022, 120Hz OLED high refresh screen has become the standard for mid-to-high-end mobile phones, but high scores and high refresh rates also bring high power consumption, making battery life and charging more anxious. For this reason, OLED screens currently generally use low-frequency solutions, which can automatically reduce the salary and refresh rate according to the scene. Most of them use LTPO technology, but it needs to increase the mask and process solutions, which will lead to increased costs. Tianma announced today that it has innovatively developed a new generation of low-frequency OLED solutions, using a new pixel structure and driving method, reducing the number of masks, lower Ioff value and power consumption, and is expected to be mass-produced and introduced to the market in the third quarter. The Ioff value is the leakage current value of the TFT device. The smaller the leakage current, the more stable the voltage and the more stable the optical performance. Tianma showed a 6.72-inch sample. The adaptive frequency conversion supports four-speed dynamic refresh rate within 30-120Hz. High-brush, smoothly switch to low-brush power saving mode when viewing pictures or reading. Tianma said that in low-brush, low-gray-scale, and low-brightness scenarios, the screen still maintains flicker-free delicate and smooth visual effects, while power consumption is greatly reduced by 20-50%. .
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