Company Filing History:
Years Active: 2019
Title: Haojing Zhang - Innovator in Backlight Circuit Technology
Introduction
Haojing Zhang is a prominent inventor based in Beijing, China. He has made significant contributions to the field of electronic devices, particularly in the development of backlight circuits. His innovative approach has led to the creation of a patented technology that enhances the functionality of electronic devices.
Latest Patents
Haojing Zhang holds a patent for a backlight circuit, electronic device, and backlight adjustment method. This patent describes a backlight circuit that includes a backlight power supply chip and an adjustable resistor circuit. The backlight power supply chip features a set pin designed to set a reference current, along with an input pin and an output pin. The adjustable resistor circuit is connected to the set pin and includes a control end that receives a switching signal. Based on this signal, the circuit selects a resistor branch to generate the reference current. The backlight power supply chip then generates a drive current based on the reference current and a duty cycle of a pulse-width modulation (PWM) signal, outputting the drive current through the output pin. This innovation is crucial for improving the efficiency and performance of backlighting in electronic devices.
Career Highlights
Haojing Zhang is currently employed at Huawei Technologies Co., Limited, where he continues to work on cutting-edge technologies in the electronics sector. His expertise in backlight circuits has positioned him as a valuable asset to the company, contributing to its reputation for innovation and quality in electronic devices.
Collaborations
Haojing has collaborated with notable colleagues, including Junqing Shuai and Jianfei Chu. Their combined efforts in research and development have further advanced the field of electronic device technology.
Conclusion
Haojing Zhang's contributions to backlight circuit technology exemplify the spirit of innovation in the electronics industry. His patented inventions not only enhance device performance but also pave the way for future advancements in electronic design.