Location History:
- Jubei, TW (2011)
- Zhubei, JP (2015)
- Zhubei, TW (2012 - 2016)
- Hsinchu County, TW (2016)
- Hsinchu, TW (2021 - 2022)
Company Filing History:
13 out of 786 
3 out of 68 Years Active: 2011-2022
Title: Innovations of Inventor Leng-Nien Hsiu
Introduction
Leng-Nien Hsiu is a prominent inventor based in Zhubei, Taiwan. He has made significant contributions to the field of electronics, particularly in the development of dimming control circuits for LED applications. With a total of 16 patents to his name, Hsiu's work has had a considerable impact on the industry.
Latest Patents
Among his latest patents is the "Dimmer interface circuit and buffer stage circuit thereof." This invention features a dimmer interface circuit that includes a buffer stage circuit and a PWM control circuit. The buffer stage circuit converts a dimming input signal into a dimming buffer signal. It comprises a power rail generation circuit that adaptively generates a power rail based on the dimming input signal, ensuring that the signal remains between a high and low voltage level. Additionally, the amplification circuit processes the dimming input signal to produce the dimming buffer signal, which is then used by the PWM control circuit to adjust the brightness of an LED module.
Another notable patent is the "Light emitting device driving apparatus and dimming control circuit and dimming control method thereof." This LED driving apparatus includes a power stage circuit and a dimming control circuit. The dimming control circuit consists of several components, including a duty ratio conversion circuit, a digital-to-analog conversion (DAC) circuit, an error amplifier (EA) circuit, and a modulation control circuit. These components work together to convert a PWM dimming signal into a digital duty ratio signal, which is then used to control the output current of the LED circuit, allowing for effective dimming.
Career Highlights
Hsiu has worked with Richtek Technology Corporation, where he has contributed to various innovative projects. His experience in the industry has allowed him to refine his skills and develop cutting-edge technologies that enhance LED performance and efficiency.
Collaborations
Throughout his career, Hsiu has collaborated with notable colleagues, including Pei-Yuan Chen and Jing-Meng Liu. These partnerships have fostered a creative environment that has led to the successful development of several patents.
Conclusion
Leng-Nien Hsiu's contributions to the field of electronics, particularly in LED technology, demonstrate his innovative spirit and dedication to advancing the industry. His patents reflect a deep understanding of electronic circuits and their applications, making him a significant figure
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.