On December 10, Anhui Shimsemi Semiconductor Co., Ltd. announced that its patent for a “Micro-LED Display Driving Method and Chip” has entered the examination and publication phase. The patent details are as follows:

This invention pertains to the field of LED display technology and introduces a method and chip for driving Micro-LED displays, which includes the following steps:
- Calculate the total number of pixels in the image to be displayed.
- Partition the image into multiple sub-regions, each containing a pixel array formed by several driving units.
- Transmit the grayscale data of each pixel to the corresponding driving unit in the sub-region using a preset protocol.
- The driving unit receives input signals including row signals, grayscale data, reference current, and clock signals.
- Upon receiving the row signal, the driving unit converts the grayscale data into a pulse-width modulation (PWM) signal, where the duty cycle of the PWM signal is determined by the grayscale data.
- The driving unit adjusts the output time of the reference current based on the PWM signal, generating a driving current that matches the grayscale data, thus controlling the pixel’s light emission.
This invention improves upon existing Micro-LED display driving chips, which typically suffer from high power consumption, by reducing energy usage while enhancing display uniformity.

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