Company Filing History:
2 out of 10 
1 out of 108 
2 out of 832,843 Years Active: 2017-2022
Title: Qifeng Dai: Innovator in OLED Technology
Introduction
Qifeng Dai is a prominent inventor based in Shenzhen, China. He has made significant contributions to the field of OLED technology, holding a total of 5 patents. His innovative designs focus on improving the efficiency and cost-effectiveness of OLED driving power sources.
Latest Patents
Qifeng Dai's latest patents include advancements in OLED driving power sources and OLED televisions. One of his notable inventions describes an OLED driving power source that features a power supply board connected to a main board and OLED screen. This design incorporates a standby circuit, power supply circuit, first conversion module, second conversion module, and a switch. Upon powering on, the standby circuit supplies the main board and initiates the power supply circuit, which starts the first conversion module to output the necessary voltages. The circuit structure is simplified, reducing the area of the power supply board and lowering production costs.
Another patent focuses on an OLED drive power supply that also connects to a main board and OLED screen. This design similarly includes a power supply circuit and conversion modules. After a preset time, the main board outputs a signal to control the second conversion module, which powers and lights the OLED screen. The integration of a bridgeless PFC circuit and auxiliary path LLC control circuit into a single semiconductor chip encapsulation further enhances efficiency and reduces costs.
Career Highlights
Throughout his career, Qifeng Dai has worked with Shenzhen Chuangwei-RGB Electronic Co., Ltd. His work has significantly impacted the development of OLED technology, making it more accessible and efficient for various applications.
Collaborations
Qifeng has collaborated with notable professionals in the field, including Shengping Cai and Zongwang Wei. Their combined expertise has contributed to the advancement of innovative technologies in the electronics sector.
Conclusion
Qifeng Dai is a key figure in the development of OLED technology, with a focus on creating efficient and cost-effective solutions. His contributions through patents and collaborations continue to shape the future of electronic displays.