Location History:
- San Chung City, Taipei Hsien, TW (2008)
- San Chung, TW (2005 - 2011)
- New Taipei, TW (2014 - 2020)
Company Filing History:
22 out of 70 
1 out of 2,459 
2 out of 832,680 Years Active: 2005-2020
Title: Innovations by Wei Chang: A Pioneer in LED Technology
Introduction
Wei Chang, a prolific inventor based in New Taipei, Taiwan, has made significant contributions to the field of LED technology. With an impressive portfolio of 25 patents, his innovative solutions have advanced the capabilities of lighting devices, enhancing both functionality and user experience.
Latest Patents
Among Wei Chang's latest patents are two notable inventions: the “High-voltage linear drive and memory dimming LED lighting device” and a “Light-emitting device with digital control of color temperature modulation and application thereof.” The first patent discloses a lighting device that utilizes a high voltage linear constant current circuit, coupled with a control integrated circuit (IC) that is directly driven by high voltage signals. This innovative design includes crucial components such as a voltage regulator module, a switching module with multiple electronic switches, and a memory module, all of which work in harmony to provide efficient lighting solutions.
The second patent highlights a light-emitting device designed specifically for digital control of color temperature modulation. This device is innovative in its ability to connect to a wall switch, integrating a DIP switch, various LED strings, and a control module that features a truth table. The truth table allows for multiple operational modes, enabling users to select and control different color temperatures with ease, greatly improving convenience in lighting applications.
Career Highlights
Wei Chang has built a remarkable career in the technology sector, contributing to advancements in LED lighting. He has worked with renowned companies in the industry, notably Unity Opto Technology Co., Ltd. His work continues to push the boundaries of what is possible with modern lighting solutions, showcasing his commitment to innovation.
Collaborations
Throughout his career, Wei Chang has collaborated with talented individuals such as Chih-Hsien Wu and Kai-Cheng Chuang. These partnerships highlight the collaborative spirit of innovation, bringing together diverse expertise to advance LED technology.
Conclusion
Wei Chang stands out as a key figure in the field of LED innovations, with his 25 patents underscoring his dedication to enhancing lighting technology. His latest inventions not only provide functional benefits but also elevate user convenience, marking significant strides in the evolution of LED lighting devices. As the industry progresses, Wei Chang's contributions are sure to influence future developments in this exciting field.
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.