This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Industrial Technology Research Institute, National Tsing Hua University. Active years: 1990-2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hsin Chu Hsien, TW (1990)
- Hsinchu, TW (1992 - 2023)
Company Filing History:
2 out of 9,308 
1 out of 1,308 Years Active: 1990-2023
Title: Chih-Li Chang: Innovator in Optoelectronics
Introduction
Chih-Li Chang is a prominent inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of optoelectronics, holding a total of 3 patents. His work focuses on developing advanced materials and methods that enhance the functionality of optoelectronic devices.
Latest Patents
One of his latest patents is related to a halide material and optical unit, which is crucial for optoelectronic devices. The halide material, described by the general formula ArMAX, can be processed into an optoelectronic film using a halogenated formamidine and a lead halide. This film has shown promising results in applications such as perovskite lasers and PeLEDs. Experimental data indicate that the photoluminescence (PL) peak wavelength of the film can be adjusted, ranging from 482 nm to 534 nm, depending on the content of lead, halogen, and formamidine. This versatility allows the film to serve as a blue, red, or green emissive layer, showcasing its potential in the optoelectronics industry.
Another notable patent involves a walking control method for an automatic working vehicle. This innovative machine is designed to move forward and backward with a predetermined displacement to complete tasks efficiently. Equipped with sensors, the machine detects boundaries and adjusts its movement accordingly, ensuring effective operation within defined areas.
Career Highlights
Chih-Li Chang has worked with esteemed organizations such as the Industrial Technology Research Institute and Tsinghua University. His experience in these institutions has allowed him to refine his skills and contribute to groundbreaking research in optoelectronics.
Collaborations
Throughout his career, Chang has collaborated with notable colleagues, including Jia-Ming Shyu and Hao-Wu Lin. These partnerships have fostered innovation and have been instrumental in advancing their shared research goals.
Conclusion
Chih-Li Chang's contributions to the field of optoelectronics through his patents and collaborative efforts highlight his role as a leading inventor. His work continues to influence the development of advanced materials and technologies in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile