Hui-Qiang Yang is a notable inventor based in Taipei County, Taiwan. He has made significant contributions to the fields of power supply and display technology, holding a total of 3 patents. His innovative designs focus on enhancing the efficiency and safety of electronic devices.

Latest Patents

One of his latest patents is a post regulation control circuit of power supply. This circuit is primarily used in switching power supplies with multiple outputs. It employs leading edge synchronization and conduction time regulation for control. The design generates a sync signal from the leading edge of the input voltage waveform, which resets a ramp generator to produce a stable continuous ramp signal. This signal is then compared with a feedback voltage to generate a power conduction signal that corresponds to a stable output voltage. Additionally, a flywheel conduction signal in an inverted phase is produced after the power conduction signal is cut off. This circuit is applicable for various AC or DC step-down regulators, providing stable regulation control for switching power supplies with multiple alternating outputs.

Another significant patent is a feedback and protection circuit for liquid crystal display (LCD) panel backlight apparatus. This circuit detects the voltage and current of a cold cathode fluorescent lamp (CCFL) and integrates all input signals to output single current and voltage feedback signals to a PWM controller. This design stabilizes and controls the voltage and current of the CCFL while monitoring for any abnormal input signals. If a CCFL is short-circuited or open-circuited, an abnormal status protection signal is generated to stop all outputs of the backlight apparatus, preventing damage to circuit components or potential injuries.

Career Highlights

Hui-Qiang Yang has worked with reputable companies such as Niko Semiconductor Co., Ltd. and Niko Semiconductor Ltd. His experience in these organizations has contributed to his expertise in developing innovative electronic solutions.

Collaborations

He has collaborated with professionals in the field, including Da-Jing Hsu, to further enhance his projects and innovations.

Conclusion

Hui-Qiang Yang's contributions to power supply and display technology demonstrate his commitment to innovation and safety in electronic design. His patents reflect a deep understanding of the complexities involved in modern electronic systems.

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